CN218832701U - Water spraying mop - Google Patents

Abstract

The utility model discloses a water spray mop, including mop pole and with mop pole swing joint's mop head be equipped with the cleaning material on the mop head be equipped with the nozzle on the mop pole, be equipped with the water pump in mop pole inside, the nozzle links to each other with the water pump, is equipped with the actuating lever on the water pump or links to each other with the actuating lever, the mop pole is hollow structure in order to hold water mop pole tip is equipped with the handle the inside transfer line that is equipped with of mop pole, transfer line one end support the actuating lever or link to each other with the actuating lever, and the other end is equipped with sealed head, and sealed head and handle sealing connection and sealed head can slide from top to bottom in the handle is inside, be equipped with the first passageway that vertically link up on sealed head and first passageway and the inside intercommunication of mop pole are equipped with a check valve on first passageway. The water spraying mop has high reliability, ensures that the one-way valve with consistent pressure difference inside and outside the mop rod is reliably fixed and is not easy to fall off, has small failure rate and good sealing effect, and is not easy to seep water and clamp the pressing block.

Description

Water spraying mop

Technical Field

The utility model relates to a cleaning tool, in particular to a water spraying mop.

Background

The mop is a long handle cleaning tool for scrubbing the ground. The existing mop with the water spraying function is similar in structure, comprises a mop rod and a mop head movably connected with the mop rod, and further comprises a water tank detachably arranged on the mop rod, a water pump arranged on the mop rod and communicated with the water tank, the water pump is also connected with a nozzle for spraying water outwards, and the water pump is connected with an operating mechanism for operating the operating mechanism to suck water from the water tank and finally spray the water out of the nozzle; the operating mechanism can be a wrench mechanism, namely a wrench is arranged at the head of the mop rod and is abutted against an auxiliary pressure rod, the auxiliary pressure rod is abutted against a connecting rod penetrating into the mop rod, an extrusion mechanism is arranged at the tail of the connecting rod, and the extrusion mechanism and the pump plug can generate interaction. The pump plug is moved by operating the wrench to operate the squeezing mechanism, and the pump plug has an automatic return device, typically a spring. Under the initial state, no water exists in the water outlet pump, the pump plug is pressed down and then rises, water in the water tank can be sucked into the water outlet pump through the water inlet pump, the pump plug is pressed down again, and water in the water outlet pump can be sprayed out through the nozzle. The water tank is required to be externally arranged at the lower part or the upper part of the mop rod, so that the overall appearance and the size of the mop are influenced, the attractiveness is poor, and the water tank can prevent the mop from being stressed or unbalanced easily, so that the use experience is poor; meanwhile, the wrench realizes water spraying by operating the extrusion mechanism through the operating mechanism, and has the defects of complex structure, more parts, high cost and easy failure. If the mop rod is used for storing water, the overall attractiveness of the mop can be effectively improved, but the wrench control mode also has the problems of complex operating mechanism, more parts, high cost and easiness in failure, and if the transmission rod penetrating through the mop rod is directly abutted to the water pump and then is controlled by the liftable pressing block, the transmission rod directly drives the water pump to spray water, so that the number of the parts can be effectively reduced, and the failure rate can be greatly reduced.

Meanwhile, for the consistent pressure difference between the inside and the outside of the mop rod, the water in the water outlet pump is guaranteed to be smoothly sprayed out through the nozzle, the one-way valve communicated with the outside atmosphere is necessary, the one-way valve with the consistent pressure difference between the inside and the outside of the mop rod is conventionally guaranteed to be directly installed on the side wall of the handle, the overall appearance of the mop is affected, more importantly, the one-way valve is exposed, and the one-way valve is easily dropped due to external force, so that the water spraying mop cannot normally work. In addition, in the practical use process of the mop, the force of a hand acting on the pressing block cannot be guaranteed to be parallel to the axis of the pressing block all the time, so that the pressing block is very easy to be not coaxial with the mop rod under the action of the force which is not parallel to the axis of the pressing block, and the sealing effect of the pressing block and the mop rod or the handle is further influenced, and the smooth lifting of the pressing block is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water spray mop, this water spray mop reliability is high, guarantees that the unanimous check valve maintenance of the inside and outside pressure differential of mop pole is reliable, be difficult for droing, and the fault rate is little, and is sealed effectual, is difficult for taking place the infiltration and presses a piece card pause, uses and experiences.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a water spraying mop comprises a mop rod and a mop head movably connected with the mop rod, wherein a wiping object is arranged on the mop head, a nozzle is arranged on the mop rod, a water pump is arranged in the mop rod and is connected with the water pump, a driving rod is arranged on the water pump or is connected with the driving rod, the driving rod can slide up and down in the mop rod so as to drive the water pump to spray water out of the nozzle, the mop rod is of a hollow structure and is used for containing water, a handle is arranged at the end part of the mop rod, a driving rod is arranged in the mop rod, one end of the driving rod props against the driving rod or is connected with the driving rod, a sealing head is arranged at the other end of the driving rod, the sealing head is connected with the handle in a sealing manner and can slide up and down in the handle, a first channel which is longitudinally communicated is arranged on the sealing head, the first channel is communicated with the interior of the mop rod, and a first one-way valve is arranged on the first channel; the first one-way valve is abutted against or connected with the limiting block, the sealing head is abutted against the pressing block, and the limiting block is abutted against or connected with the pressing block; the mop handle is provided with a pressing opening, the pressing opening is provided with a limiting surface, the pressing block penetrates through the pressing opening and can slide downwards along the handle, the limiting block, the sealing head and the transmission rod slide downwards along the mop rod under the driving of the pressing block, and the pressing block has a structure with a large inside and a small outside; and a second channel communicated with the first channel is arranged on the limiting block, and the second channel is communicated with the external atmospheric pressure.

Preferably, the limiting block and the pressing block are integrally formed or abut against the pressing block, a first protrusion matched with the first one-way valve is arranged on the side, close to the sealing head, of the limiting block, the first protrusion can be just inserted into the inner wall of the first one-way valve, the second channel penetrates through the first protrusion, and the limiting block abuts against the end portion of the first one-way valve.

Preferably, at least one third channel communicated with the second channel is formed in the side, close to the limiting block, of the pressing block, and the third channel is communicated with the external atmosphere.

Preferably, the handle is provided with a water filling port, the water filling port is provided with a sealing cover capable of being opened and closed, the water pump further comprises a pump shell, a piston rod and a return spring, the pump shell is fixed in the mop rod, the nozzle is connected with a water outlet nozzle on the pump shell, the piston rod is arranged in a pump cavity of the pump shell in a penetrating mode and can slide up and down under the driving of the driving rod, the lower end of the piston rod is connected with a piston, the piston rod is hollow, a second one-way valve only allowing water to flow from an inner cavity of the piston rod to a pump cavity is arranged at the outlet end of the piston rod, the return spring enables the piston to keep moving upwards and return, and the inner cavity of the piston rod is communicated with the inner cavity of the mop rod.

Preferably, the stopper penetrates into the first channel.

Preferably, a plurality of second bulges are axially radiated on the side face of the limiting block, the sizes of the second bulges are matched with the first channel, a plurality of third channels are arranged, the first one-way valve is provided with a positioning shaft shoulder, a positioning groove matched with the positioning shaft shoulder in size is arranged on the first channel, and the positioning shaft shoulder penetrates through the positioning groove and abuts against the bottom surface of the positioning groove.

Preferably, the sealing head is sleeved with at least one sealing ring, and the outer diameter of the sealing ring is larger than the inner diameter of the handle.

Preferably, the transmission rod is provided with a plurality of third protrusions, and the third protrusions can just slide along the inner wall of the mop rod.

Preferably, the mop rod comprises a plurality of sections of mop rod units, two adjacent sections of the mop rod units are sequentially and hermetically connected end to end through connecting rods, the transmission rod is provided with a plurality of sections, the transmission rods sequentially abut against each other end to end, and the transmission rod close to the handle side and the sealing head are integrally formed.

Further preferably, the third protrusions are circumferentially arrayed on the transmission rod, and a gap is reserved between every two adjacent third protrusions.

Among the above-mentioned technical scheme, through be equipped with the first passageway that vertically link up and first passageway and mop pole intercommunication on sealed overhead, make and guarantee that the unanimous first check valve of the interior external differential pressure of mop pole can wear to establish in the first passageway, rather than directly exposing the installation at the handle lateral wall, promote this whole aesthetic property of water spray mop. The first one-way valve is abutted or connected with the limiting block, the sealing head is abutted or connected with the pressing block, the limiting block is also abutted or connected with the pressing block, the first one-way valve is hidden and fixed in the first channel to avoid the first one-way valve from falling off, the pressing block is only pressed, and the limiting block, the sealing head and the transmission rod slide downwards along the mop rod under the driving of the pressing block to realize the water spraying function. The limiting block is provided with the second channel communicated with the first channel, and the second channel is communicated with the external atmospheric pressure, so that the pressure difference between the inside and the outside of the mop rod is ensured to be consistent. The mop rod with the hollow structure is utilized for storing water, so that the appearance of the mop cannot be influenced, the overall attractiveness is good, and the use experience is good. One end of the transmission rod is abutted against the driving rod, the pressing block is pressed, the pressing block immediately drives the transmission rod to further drive the driving rod to slide downwards along the mop rod, so that the water pump is driven to spray water out of the nozzle, and the driving rod and the pressing block are simple in driving structure, few in parts, high in reliability, not prone to damage and extremely simple and convenient to install. The third bulge on the transmission rod avoids the transmission rod from vibrating and deviating inside the mop rod, and further ensures the transmission accuracy and reliability of the transmission rod. The transmission rod and the sealing head at the side close to the handle are in an integrated structure, so that the force transmitted to the transmission rod by the pressing block is always coaxial with the handle no matter whether the force acted on the pressing block by hands is parallel to the axis of the pressing block or not, the sealing head and the handle can always ensure the sealing effect, and water cannot seep out from the end of the transmission rod close to the pressing block; and press the big external size in the piece, guarantee to press the piece and can not follow the slip of pressing the mouth while the shape and the handle cooperation do not have the restraint of sealing washer, press the piece and go up and down more smoothly.

Drawings

FIG. 1 is a schematic view of the present water spray mop (with a handle portion exploded);

FIG. 2 is a schematic view of the handle partially exploded;

FIG. 3 is a partially exploded view of the handle from another perspective;

FIG. 4 is a perspective view of the water spray mop;

FIG. 5 is a schematic view of the spray mop in an exploded state;

FIG. 6 is an overall sectional view showing the structure of the water spray mop;

FIG. 7 is a schematic view of a partial cross-sectional structure of the water pump;

FIG. 8 is a partial sectional view of the handle (omitting the sealing ring);

fig. 9 is an enlarged view of a handle (with a seal ring omitted) in a partially sectional configuration.

Detailed description of the preferred embodiments

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 9, the water spray mop includes a mop rod 100 and a mop head 1 movably connected to the mop rod 100, a wiping material (not shown in the drawings) is disposed on the mop head 1, the mop rod 100 has a hollow structure to contain water, a nozzle 101 is disposed on the mop rod 100, a water pump 110 is disposed inside the mop rod, a driving rod 111 is disposed on the water pump 110 or connected to the driving rod, and the driving rod 111 can slide up and down in the mop rod 100 to drive the water pump 110 to spray the water in the water pump 110 out of the nozzle 101. The handle 120 is sleeved at the end of the mop rod 100, water can be added into the mop rod 100 by detaching the handle 120, the water adding port 130 can be arranged on the mop rod 100 or on the handle 120, and when the water adding port is arranged on the handle 120, the water can be added without detaching the handle 120. In this embodiment, the filler 130 is disposed on the handle 120, the filler 130 is provided with a sealing cover 140 capable of being opened and closed, and the sealing cover 140 is flexibly connected with the handle 120 through rubber, so as to prevent the sealing cover 140 from being lost; the mop rod 100 is further internally provided with a transmission rod 150, one end of the transmission rod 150 props against the driving rod 111 or is directly and fixedly connected with the driving rod 111, the other end of the transmission rod 150 is provided with a sealing head 160, preferably, one end of the transmission rod 150 props against the other end of the driving rod 111 and is integrally formed with the sealing head 160, other installation and fixing links are omitted, and the installation is very simple and convenient. The sealing head 160 is connected with the handle 120 in a sealing manner, the sealing head 160 can slide up and down in the handle 120, specifically, a sealing groove 161 can be formed in the side wall of the sealing head, then a sealing ring 162 is sleeved on the sealing groove 161, at least one, preferably 2 to 4 sealing rings are arranged on the sealing ring 162, the outer diameter of each sealing ring is larger than the inner diameter of the handle, and the sealing performance of the sealing head 160 and the handle 120 is fully guaranteed. The sealing head 160 is provided with a first channel 163 which is longitudinally penetrated, the first channel 163 is communicated with the interior of the mop rod 100, and the first channel 163 is provided with a first one-way valve 164 which only allows air to flow into the interior of the mop rod 100 from the exterior of the mop rod; thus, one side of the first one-way valve 164 is communicated with the interior of the mop rod 100, the other side of the first one-way valve abuts against or is connected with the limiting block 170, the sealing head 160 also abuts against the pressing block 180, and the limiting block 170 abuts against or is integrally connected with the pressing block 180. The end of the handle 120 is provided with a pressing opening 121, the pressing opening 121 is provided with a limiting surface 122, and the pressing block 180 penetrates through the pressing opening 121 and can slide downwards along the handle, so that the limiting block 170, the sealing head 160 and the transmission rod 150 slide downwards along the mop rod 100 under the driving of the pressing block 180, and the pressing block 180 has a structure with a large inside and a small outside to prevent the pressing block 180 from slipping. Because sealing head 160 and the cooperation of handle inner wall, the sealing washer external diameter is greater than the handle internal diameter, therefore no matter whether the power that the staff acted on according to the briquetting 180 is parallel with according to the briquetting axis, according to the briquetting through the power that the sealed head transmitted the transfer line coaxial with the handle all the time, consequently sealed head and handle can guarantee sealed effect all the time, water also can not follow the nearly briquetting end of transfer line and ooze yet, press briquetting one side and handle inner wall to cooperate, one side cooperatees with the pressure mouth and does not have the restraint of sealing washer simultaneously, press briquetting lift more smoothly. In water pours into mop pole 100 into through filler 130, by mop pole 100's well cavity act as the water storage effect, avoid the water tank external in mop pole lower part or upper portion, influence the whole outward appearance and the size of mop, lead to aesthetic property poor and the difficult atress of mop or easy unbalance, use the problem of experiencing poor, the convenient washing and the dehydration of this mop utilization current of also being convenient for realize. In this embodiment, the limiting block 170 is provided with a second channel 171 communicated with the first channel 163, and the second channel 171 is communicated with the outside atmosphere, so that one side of the first check valve 164 is communicated with the inside of the mop rod 100, and the other side of the first check valve is communicated with the outside atmosphere, thereby ensuring that the pressure difference inside and outside the mop rod is consistent. The second channel 171 can be communicated with the outside atmosphere through an opening formed in the side wall of the handle and communicated with the outside atmosphere, or through a hole formed in the pressing block and communicated with the outside atmosphere, or through direct clearance fit between the pressing block and the handle. Meanwhile, the first one-way valve 164 is arranged in the first channel 163 in a penetrating way, and is not directly exposed and arranged on the side wall of the handle, so that the overall aesthetic property of the water spraying mop is further improved. And first check valve 164 offsets or links to each other with the stopper, and sealed head offsets with pressing the briquetting, and the stopper also offsets or links to each other with pressing the briquetting simultaneously, hides first check valve and the maintenance avoids first check valve to drop in first passageway, realizes only pressing the briquetting simultaneously, and stopper, sealed head and transfer line slide downwards under pressing the briquetting drive, realize the water spray function, and the fault rate further reduces, life extension.

When the pressing block 180 is pressed, the pressing block 180 pushes the limiting block, the sealing head and the transmission rod 150 to slide downwards along the mop rod 100, so that the driving rod 111 slides downwards to drive the water pump 110 to spray water in the water pump 110 out of the nozzle 101, and a water spraying function is realized. The water pump 110 is a prior art, and specifically includes a pump casing 112, a piston rod 113, and a return spring 114, the pump casing 112 is fixed in the mop rod 100, the nozzle 101 is disposed at the lower portion of the pump casing 112 and connected to a water outlet nozzle 115 on the pump casing 112, the piston rod 113 is inserted into a pump chamber of the pump casing 112 and driven by the driving rod 111 to slide up and down, the lower end of the piston rod 113 is connected to a piston 116, the piston rod 113 is hollow and has a second check valve 117 at an outlet end of the piston rod 113, the second check valve only allows water to flow from the inner chamber of the piston rod 113 to the pump chamber, and the return spring 114 keeps the piston 116 moving up and returning. Therefore, when the pressing block 180 is pressed, the pressing block 180 drives the driving rod 111 to slide downwards, the driving rod 111 drives the piston rod 113 and the piston 116 to slide downwards, the second one-way valve 117 only allows water to flow from the inner cavity of the piston rod 113 to the pump cavity, so that the inner cavity of the piston rod 113 is not communicated with the pump cavity, and the water in the pump cavity is extruded out of the nozzle 101 through the water outlet nozzle 115 (similar to the principle of an injector), so that the water spraying function is realized. Then the piston 116 is kept moving upwards and returns under the action of the return spring 114, and the piston rod 113 moves upwards and returns together with the driving rod 111, the transmission rod 150, the sealing head 160, the limit block 170 and the pressing block 180. Because the piston 116 moves up and resets on the reset spring 114, a pressure difference is formed between the pump cavity and the inner cavity of the piston rod 113, the inner cavity of the piston rod 113 is communicated with the inner cavity of the mop rod 100, water in the inner cavity of the piston rod 113 flows from the inner cavity of the piston rod 113 to the pump cavity through the second one-way valve 117 to supplement the water in the pump cavity, and the water in the inner cavity of the mop rod 100 flows to the inner cavity of the piston rod 113 to realize repeated water spraying for many times. In the process of moving up and resetting the driving rod 111, the transmission rod 150, the sealing head 160, the limiting block 170 and the pressing block 180, because the water in the mop rod 100 is partially discharged to the pump cavity through the inner cavity of the piston rod 113, negative pressure is formed in the inner cavity of the mop rod 100, and external air is immediately sucked into the inner cavity of the mop rod 100 through the first one-way valve 164, so that the consistency of the pressure difference between the inside and the outside of the mop rod 100 and the quick moving up and resetting of the driving rod 111, the transmission rod 150, the sealing head 160, the limiting block 170 and the pressing block 180 are ensured. The driving rod 111 has a simple driving structure and few parts, so the reliability is high and the damage is not easy to occur.

In a preferred embodiment, a first protrusion 172 is disposed on the stopper 170 near the sealing head 160 for cooperating with the first one-way valve 164, the first protrusion 172 can be inserted into the inner wall of the first one-way valve 164, the second channel 171 extends through the first protrusion 172, and the stopper 170 further abuts against the end of the first one-way valve 164, so that the first one-way valve 164 is more reliably retained. When the first check valve 164 is a duckbill valve, the first check valve has a positioning shoulder 1641, a positioning groove 1631 matched with the positioning shoulder 1641 in size is disposed on the first channel 163, and the positioning shoulder 1641 penetrates through the positioning groove 1631 and abuts against the bottom surface of the positioning groove 1631.

In a preferred embodiment, at least one third channel 181 communicated with the second channel 171 is formed on the side of the pressing block 180 close to the limiting block, and the third channel 181 is communicated with the external atmospheric pressure through clearance fit of the pressing block and the handle. Furthermore, a plurality of third channels 181 are arranged, so that the third channels 181 are fully communicated with the external atmospheric pressure all the time. Limiting block 170 can penetrate into first channel 163, the number of sealing rings is guaranteed, and the fixing reliability of first one-way valve 164 is guaranteed, so that the end portion of the sealing head is flush with the end portion of the limiting block, and the pressing block abuts against the end portion of the sealing head and the end portion of the limiting block simultaneously. Furthermore, a plurality of second protrusions 173 are axially and radially arranged on the side surface of the limiting block 170, and the size of the second protrusions 173 is matched with that of the first channel 163 to ensure that the second channel is aligned and communicated with the first one-way valve 164.

In one embodiment, the mop pole 100 comprises several sections of the mop pole units 102 and two adjacent sections of the mop pole units 102 are sequentially and hermetically connected end to end by the connecting rod 103, the sections of the mop pole units 102 are typically 2 to 4. Be equipped with a plurality of third archs 151 on transfer line 150, third arch 151 can just slide along mop pole 100 inner wall, avoids transfer line 150 vibration, skew in mop pole 100 inside, further guarantees the driven precision and the reliability of transfer line 150. Furthermore, the third protrusions 151 are circumferentially arranged on the transmission rod 150 in an array manner, and a gap is reserved between every two adjacent third protrusions 151, so that the volume of the inner cavity of the mop rod 100 is further increased, and water flow is more smooth. The transmission rod 150 is also provided with 2 to 4 sections, and the transmission rods of all sections are sequentially abutted end to end, so that the processing and packaging cost of the water spraying mop is further reduced. Furthermore, the transmission rod close to the handle side and the sealing head are integrally formed, so that the number of parts is further reduced.

Among the above-mentioned technical scheme, with two sections adjacent mop pole units 102 through connecting rod 103 end to end sealing connection in proper order, each section transfer line offsets in proper order, wears to establish the location shoulder 1641 of first check valve 164 in the constant head tank 1631 and supports the constant head tank 1631 bottom surface, penetrates the stopper again first passageway, presses the briquetting to support the stopper, sheathes the handle in mop pole upper end at last and can accomplish this water spray mop installation, and the installation is convenient fast, and spare part is few. The sealing cover 140 is removed, the water filling port 130 is opened, and water is filled into the mop rod 100 through the water filling port 130, so that the hollow cavity of the mop rod 100 serves as a water storage function. When water needs to be sprayed, the pressing block 180 is pressed, the pressing block 180 pushes the transmission rod 150 to slide downwards along the mop rod 100, so that the driving rod 111 slides downwards, the driving rod 111 drives the piston rod 113 and the piston 116 to slide downwards, water in the pump cavity is sprayed out from the nozzle 101 through the water outlet nozzle 115 due to extrusion, and the water spraying function is achieved. Then the piston 116 moves upwards and resets under the action of the reset spring 114, the piston rod 113, the driving rod 111, the driving rod 150, the sealing head 160, the limiting block 170 and the pressing block 180 move upwards and reset, water in the inner cavity of the piston rod 113 flows to the pump cavity from the inner cavity of the piston rod 113 through the second one-way valve 117 to supplement the water in the pump cavity, and the water in the inner cavity of the mop rod 100 flows to the inner cavity of the piston rod 113 again to realize repeated water spraying for a plurality of times. In the process of moving up and resetting the driving rod 111, the driving rod 150, the sealing head 160, the limiting block 170 and the pressing block 180, external air is sucked into the inner cavity of the mop rod 1 through the first one-way valve 81 via the third channel and the second channel, so that the consistency of the pressure difference between the inside and the outside of the mop rod 100 and the quick moving up and resetting of the driving rod 111, the driving rod 150, the sealing head 160, the limiting block 170 and the pressing block 180 are ensured. And no matter whether the force of the human hand acting on the pressing block 180 is parallel to the axis of the pressing block, the force transmitted to the transmission rod by the pressing block is always coaxial with the handle, the lifting of the pressing block is smooth, the first one-way valve cannot fall off, the appearance is attractive, the failure rate is low, and the service life is long.

The embodiment is only for the illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.

Claims (10)

1. A water spray mop comprises a mop rod and a mop head movably connected with the mop rod, wherein a wiping object is arranged on the mop head, a nozzle is arranged on the mop rod, a water pump is arranged in the mop rod and is connected with the water pump, a driving rod is arranged on the water pump or is connected with the driving rod, the driving rod can slide up and down in the mop rod to drive the water pump to spray water out of the nozzle, and the water spray mop is characterized in that the mop rod is of a hollow structure to contain water, a handle is arranged at the end part of the mop rod, a transmission rod is arranged in the mop rod, one end of the transmission rod props against the driving rod or is connected with the driving rod, a sealing head is arranged at the other end of the transmission rod, the sealing head is connected with the handle in a sealing manner and can slide up and down in the handle, a first channel which is longitudinally communicated with the interior of the mop rod is arranged on the sealing head, and a first one-way valve is arranged on the first channel; the first one-way valve is abutted against or connected with the limiting block, the sealing head is abutted against the pressing block, and the limiting block is abutted against or connected with the pressing block; the mop handle is provided with a pressing opening, the pressing opening is provided with a limiting surface, the pressing block penetrates through the pressing opening and can slide downwards along the handle, the limiting block, the sealing head and the transmission rod slide downwards along the mop rod under the driving of the pressing block, and the pressing block has a structure with a large inside and a small outside; and a second channel communicated with the first channel is arranged on the limiting block, and the second channel is communicated with the external atmospheric pressure.

2. The water spray mop of claim 1, wherein the stopper is integrally formed with the pressing block or abuts against the pressing block, a first protrusion engaged with the first one-way valve is disposed on a side of the stopper near the sealing head, the first protrusion can be inserted into an inner wall of the first one-way valve, the second channel penetrates through the first protrusion, and the stopper abuts against an end of the first one-way valve.

3. The water spray mop of claim 1 or 2, wherein at least one third channel is formed on the side of the pressing block near the limiting block and communicated with the second channel, and the third channel is communicated with the outside atmosphere.

4. The water spray mop according to claim 1 or 2, wherein the handle is provided with a water inlet, the water inlet is provided with a sealing cover which can be opened and closed, the water pump further comprises a pump housing, a piston rod and a return spring, the pump housing is fixed in the mop rod, the nozzle is connected with a water outlet nozzle on the pump housing, the piston rod is arranged in a pump cavity of the pump housing in a penetrating manner and can slide up and down under the driving of the driving rod, the lower end of the piston rod is connected with a piston, the piston rod is hollow and is provided with a second one-way valve at the outlet end of the piston rod, the second one-way valve only allows water to flow from the inner cavity of the piston rod to the pump cavity, the return spring enables the piston to keep moving upwards and return, and the inner cavity of the piston rod is communicated with the inner cavity of the mop rod.

5. The water spray mop of claim 3, wherein said stopper penetrates said first channel.

6. The water spray mop of claim 5, wherein a plurality of second protrusions are radially arranged on the side of the limiting block in the axial direction, the second protrusions are matched with the first channel in size, a plurality of third channels are arranged, the first one-way valve is provided with a positioning shaft shoulder, a positioning groove matched with the positioning shaft shoulder in size is arranged on the first channel, and the positioning shaft shoulder penetrates through the positioning groove and abuts against the bottom surface of the positioning groove.

7. The water spray mop of claim 1 or 2 wherein said head is provided with at least one o-ring having an outer diameter greater than the inner diameter of the handle.

8. The water spray mop of claim 1 or 2 wherein a plurality of third projections are provided on the drive link, said third projections being adapted to slide snugly along the inner wall of the mop pole.

9. The water spray mop of claim 8, wherein the mop rod comprises a plurality of sections of mop rod units, and two adjacent sections of mop rod units are sequentially and hermetically connected end to end through a connecting rod, the transmission rod is provided with a plurality of sections, the plurality of sections of the transmission rod sequentially abut against end to end, and the transmission rod at the side close to the handle is integrally formed with the sealing head.

10. The water spray mop of claim 8 wherein the third projections are circumferentially arrayed on the drive link with a gap between adjacent third projections.

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