CN214712444U - Water pump structure of mop cleaning barrel - Google Patents

Abstract

The utility model relates to a water pump structure of a mop cleaning barrel, which comprises a barrel body, a transmission shaft, a wheel cover and a pump wheel, wherein the wheel cover covers the pump wheel; the method is characterized in that: the bottom of staving is equipped with the cavity that is the echelonment, pump impeller and wheel lid are all located in the cavity, thereby the mouth end lid of cavity is equipped with the pump cover and makes the cavity forms clear water chamber, the transmission shaft upwards wears out the pump cover, be equipped with water spray channel and the moisturizing passageway of intercommunication clear water chamber and external world on the pump cover, the inner chamber of wheel lid with water spray channel intercommunication, the inner chamber of wheel lid switches on with clear water chamber and can intake, be formed with the clearance between the internal perisporium of wheel lid and the outer peripheral edges of pump impeller, this clearance is 0.5 ~ 4 millimeters. The clearance range is tested continuously, the most reasonable is achieved, the assembly requirement is met (the assembly precision requirement is not too high), the clearance is small, the water pressure formed in the wheel cover by the rotation of the pump wheel is large, and finally the water pressure from the wheel cover pump to the water spraying channel is large.

Description

Water pump structure of mop cleaning barrel

Technical Field

The utility model relates to a burnisher especially relates to a be fit for washing and take off the water pump structure of dry mop cleaning barrel of dry rotatory dull and stereotyped mop of hand pressure formula.

Background

The applicant invents a non-lifting cleaning spin dryer tube, and an invention patent application with the application number of CN201710332858.1 (publication number of CN108852204A) discloses a water-saving mop tube, which comprises a tube body, wherein a supporting structure for supporting a mop disc is arranged in the tube body, and the supporting structure can enable the mop disc placed on the supporting structure to rotate at a fixed height position; the method is characterized in that: the mop cleaning device comprises a barrel body, a mop disc and a control structure, wherein the barrel body is internally provided with a cleaning part and a water pump, the cleaning part is used for squeezing and scraping the wiping materials at the bottom of the mop disc rotating at a fixed height position in the barrel body, the water pump is used for spraying water to the wiping materials at the bottom of the mop head rotating at the fixed height position in the barrel body, and the water pump is controlled by the control structure to spray water or not. The impeller in the water pump rotates to spray water out of the water spraying holes after passing through the water spraying pipe connected with the water pipe.

The pump shell of the water pump is of a closed structure, impurities can be accumulated when the pump shell is used for a long time, the pump shell is not easy to clean, the accumulation of the impurities not only influences the cleanness degree of water ejection, but also influences the work of the impeller, and even generates peculiar smell.

As an improvement, the applicant also applies for a water pump structure of a utility model patent with a patent number CN201921528926.2 (publication number CN210715264U), which includes a pump case with a water inlet, and a water pressing component arranged in the pump case for driving water flow, the water pressing component is an impeller, the pump case is provided with a water outlet channel, the water outlet channel is provided with a water spraying hole for spraying water to the wiping object, the water outlet channel is further provided with an inlet end communicated with an inner cavity of the pump case; the pump case is formed by connecting an upper case and a lower case in a matching way, the surface of the lower case is provided with a plurality of water permeable holes communicated with the outside and the inner cavity of the pump case, the inner part of the lower case is connected with a cover cap in a buckling way, the cover cap covers the water pressing component, the inner part of the cover cap is communicated with the inner cavity of the pump case, and the side part of the cover cap is provided with a water channel communicated with the water outlet channel. The setting up of the hole of permeating water is convenient to be washed the pump case, need not to dismantle the pump case alright wash the pump case with the water, and water can be through permeating water the hole with impurity discharge, washs more thoroughly. For the convenience of assembly, a relatively large gap exists between the inner peripheral wall of the existing cover and the outer peripheral edge of the water pressing part, and because if the gap is too small, interference occurs during assembly due to the requirement of mold precision, the gap is generally set to be relatively large, but the pressure of the water flow pumped out by the water pressing part is too small.

The two patents have a common point, that is, the pump shell is formed by joining the upper shell and the lower shell, so that the pump shell has higher competitiveness, and how to reduce the cost as far as possible on the premise of not reducing the product quality is the problem of the primary consideration of enterprises, how to reduce the consumables of the pump shell and the barrel body, and how to reduce the cost of the mold is the technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a water pump structure of the mop cleaning barrel with small volume, large water pumping pressure and reasonable structure is provided aiming at the current situation of the prior art, and the structure is convenient for cleaning the water pump more deeply.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a water pump structure of a mop cleaning barrel comprises a barrel body, a transmission shaft, a wheel cover and a pump wheel, wherein the wheel cover covers the pump wheel, and the transmission shaft penetrates through a through hole in the wheel cover and then is coaxially connected with the pump wheel; the method is characterized in that: the bottom of staving is equipped with the cavity that is the echelonment, pump impeller and wheel lid are all located in the cavity, thereby the mouth end lid of cavity is equipped with the pump cover and makes the cavity forms clear water chamber, the transmission shaft upwards wears out the pump cover, be equipped with water spray channel and the moisturizing passageway of intercommunication clear water chamber and external world on the pump cover, the inner chamber of wheel lid with water spray channel intercommunication, the inner chamber of wheel lid switches on with clear water chamber and can intake, be formed with the clearance between the internal perisporium of wheel lid and the outer peripheral edges of pump impeller, this clearance is 0.5 ~ 4 millimeters.

Preferably, the gap is 1 to 3 mm. Theoretically, on the premise of meeting machining and assembling precision, the smaller the gap is, the better the gap is.

The improved structure is characterized in that the concave cavity comprises a large concave cavity part and a small concave cavity part positioned below the large concave cavity part, the pump wheel and the wheel cover are arranged in the small concave cavity part, and the pump cover is covered at the opening end of the large concave cavity part; the inner cavity of the wheel cover is connected and communicated with the water spraying channel through a water outlet channel on the wheel cover in an inserting mode. The structure can arrange the pump wheel and the wheel cover below the clear water cavity, increase the space of the clear water cavity, ensure that the water in the clear water cavity can be pumped out as much as possible, and increase the water pumping amount.

In a further improvement, the wheel cover is detachably connected to the bottom surface of the pump cover. Therefore, the wheel cover and the pump cover can be connected together in advance to form a module, the upper end of the water outlet channel on the wheel cover is ensured to be aligned, spliced and communicated with the lower end of the water spraying channel, and then the wheel cover and the pump cover are installed in the barrel together, so that the assembly is more convenient.

In a further improvement, the top surface of the wheel cover is provided with a connecting platform protruding upwards, the through hole penetrates through the connecting platform, and the wheel cover is connected with the bottom surface of the pump cover through the connecting platform; the connecting table is arranged to facilitate the connection of the wheel cover and the pump cover. In order to ensure that the clean water cavity is always communicated with the inner cavity of the wheel cover, the connecting platform is provided with a water inlet communicated with the clean water cavity.

Preferably, the bottom surface of the pump cover is provided with a downward extending annular wall, and the connecting table is inserted into a space surrounded by the annular wall and connected with the annular wall in a buckling mode; the mode of buckle is connected and is had the convenient advantage of equipment. The top surface of the connecting platform is provided with a positioning hole, and the bottom surface of the pump cover is provided with a positioning column which is matched with the positioning hole in a positioning way. The positioning holes are matched with the positioning columns in a positioning mode to ensure that the positioning holes and the positioning columns are accurate in relative installation relation.

The pump cover is arranged in the small cavity part through a rotary clamping structure. The pump cover fixed in the small cavity part in a rotary clamping mode can compress the sealing ring, and the clear water cavity can be better separated from external water by the sealing ring, so that the clear water cavity and the external water can be communicated only through a water supplementing channel.

As an improvement, the transmission shaft consists of a joint and a pump axle which is arranged on the pump wheel and extends upwards, a fixed axle is fixed at the bottom of the small cavity part, the pump axle is sleeved on the fixed axle through a bearing or a shaft sleeve, the joint is connected with the top end of the pump axle, and the joint is used for being in transmission connection with the mop head; the connection is hard connection, can be threaded connection, can also be welded, and can also be that the transmission shaft and the impeller shaft are an integrated piece. This structure enables the transmission shaft rotation light, and the setting of fixed axle provides suitable installation position for the transmission shaft.

In order to make the transmission shaft rotate more easily, the top of the fixed shaft is provided with a steel ball for supporting the inner top surface of the joint.

As an improvement, the top surface of the pump cover is provided with a boss part extending upwards, and the transmission shaft vertically penetrates through the boss part. The boss portion upwards extends the setting, and the vertical boss portion that runs through of transmission shaft sets up, and the clearance between transmission shaft and the boss portion is located on the surface of water of pump cover top, even do not have extra setting up seal structure between transmission shaft and boss portion like this, also guarantees that outside rivers water can not follow the linking department inflow between transmission shaft and the pump cover. The arrangement of the boss part also facilitates the hand holding to detach the pump cover from the mop bucket.

The pump cover is further improved, a switch component capable of sliding up and down penetrates through the pump cover, the switch component vertically penetrates through the boss part, and an elastic body enabling the switch component to keep moving upwards is arranged in the clear water cavity; the switch component moves downwards to block the water replenishing channel, and the switch component moves upwards under the action of the elastic body to open the lower end of the switch component to the water replenishing channel. Realize controlling from water spray channel spun water yield in unit time through switch block's setting, the during operation, because of the moisturizing passageway of supplying water for the clear water chamber is by switch block shutoff, spouts the control of the water yield of wiper to water spray channel, and water can not get into the clear water chamber, and is less and less as the water in clear water chamber, and the spun water yield reduces thereupon, if the water in clear water chamber is accomplished by the pump, then water spray channel no longer outwards sprays water.

In a further improvement, the top end of the switch component is provided with a contact component capable of rolling, and the contact component exposes the top surface of the boss part. Rolling friction ensures that the mop head rotates more easily. The contact member may be a roller or a steel ball or a cylindrical roller.

Compared with the prior art, the utility model has the advantages of: the water pump structure cancels a lower shell in a pump shell used by a traditional mop cleaning barrel, and the cavity is arranged in the barrel body to be used as the lower shell in the traditional pump shell, so that one part is omitted, the material consumption is reduced, a pair of dies is omitted, the cost is effectively reduced, only the wheel cover and the pump cover need to be directly installed in the small cavity part in the barrel body during assembly, and the assembly is convenient; when the pump cover is cleaned, the pump wheel, the wheel cover and the pump cover can be completely taken out, so that the pump cover is cleaned more thoroughly; a gap is formed between the inner peripheral wall of the wheel cover and the outer peripheral edge of the pump wheel, the gap is 0.5-4 mm, the range of the gap is tested continuously, the gap is most reasonable, the requirement of assembly is met (the assembly precision requirement is not too high), and the gap is small, so that the water pressure formed in the wheel cover by the rotation of the pump wheel is large, and finally the water pressure from the wheel cover pump to the water spraying channel is large.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a cross-sectional view (normal state) of a schematic three-dimensional structure of the barrel body in the embodiment of the present invention;

fig. 3 is an exploded perspective view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of the wheel cover assembled to the pump cover according to the embodiment of the present invention;

FIG. 5 is a schematic perspective view of a wheel cover according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, it is a preferred embodiment of the present invention.

A water pump structure of a mop cleaning barrel comprises a barrel body 1, a transmission shaft 3, a wheel cover 5 and a pump wheel 6, wherein the wheel cover covers the pump wheel 6, the transmission shaft 3 is coaxially connected with the pump wheel 6 after penetrating through a through hole 52 on the wheel cover 5, and the transmission shaft 3 is used for being connected with a mop head.

The bottom of the barrel body 1 is provided with a step-shaped cavity 11, the cavity 11 comprises a large cavity part 111 and a small cavity part 112 positioned below the large cavity part 111, and the pump wheel 6 and the wheel cover 5 are arranged in the small cavity part 112. The port end cover of big cavity portion 111 is equipped with pump cover 7 thus make cavity 11 forms clear water chamber 4, and transmission shaft 3 upwards wears out pump cover 7, be equipped with intercommunication clear water chamber 4 and external water spray channel 71 and moisturizing passageway 72 on the pump cover 7, the inner chamber of wheel lid 5 through the delivery channel 51 on the wheel lid 5 with water spray channel 71 pegs graft the intercommunication, the inner chamber of wheel lid 5 switches on with clear water chamber 4 and can intake.

A clearance X is formed between the inner peripheral wall of the wheel cover 5 and the outer peripheral edge of the pump wheel 6, and the clearance X is 0.5-4 mm, preferably 1-3 mm.

The wheel cover 5 is detachably connected to the bottom surface of the pump cover 7. The top surface of the wheel cover 5 is provided with a connecting platform 53 protruding upwards, the through hole 52 penetrates through the connecting platform 53, and the wheel cover 5 is connected with the bottom surface of the pump cover 7 through the connecting platform 53; the connecting platform 53 is provided with a water inlet 531 communicated with the clear water cavity 4.

The bottom surface of the pump cover 7 is provided with a downward extending annular wall 73, and the connecting table 53 is inserted into a space surrounded by the annular wall 73 and connected with the annular wall 73 in a buckling mode; the top surface of the connecting table 53 is provided with a positioning hole 532, and the bottom surface of the pump cover 7 is provided with a positioning column 74 which is matched with the positioning hole 532 in a positioning way.

A sealing ring 8 is arranged between the pump cover 7 and the small cavity part 112, and the pump cover 7 is installed in the small cavity part 112 through a rotary clamping structure. Specifically, a plurality of downward extension walls are arranged on the bottom surface of the pump cover 7, each extension wall is provided with an L-shaped clamping groove 76, the peripheral wall of the small cavity part 112 is provided with a plurality of clamping blocks 113, the clamping blocks 113 can enter from the opening part of the clamping grooves 76 and are clamped into the transverse groove parts of the clamping grooves 76, the sealing ring 8 can be tightly pressed by the pump cover 7 fixed on the small cavity part 112 in a rotary clamping mode, the clear water cavity 4 can be better separated from external water by the arrangement of the sealing ring 8, and the clear water cavity 4 and the external water can only be communicated through the water supplementing channel 72.

The pump cover 7 has a boss portion 75 extending upward on the top surface thereof, and the transmission shaft 3 vertically penetrates the boss portion 75. The transmission shaft 3 consists of a joint 31 and a pump shaft 32 which is arranged on the pump wheel 6 and extends upwards, the bottom of the small cavity part 112 is fixed with a fixed shaft 9, the pump shaft 32 is sleeved on the fixed shaft 9 through a bearing or a shaft sleeve, and the joint 31 is connected with the top end of the pump shaft 32; the top of the fixed shaft 9 is provided with a steel ball 10 for supporting the inner top surface of the joint 31.

The pump cover 7 is provided with a switch component 2 capable of sliding up and down in a penetrating manner, the switch component 2 vertically penetrates through the boss part 75, and an elastic body 21 enabling the switch component 2 to keep moving upwards is arranged in the clear water cavity 4; the switch component 2 moves downwards to block the water replenishing channel 72, and the switch component 2 moves upwards under the action of the elastic body 21 to open the lower end of the switch component 2 to the water replenishing channel 72. The top end of the opening and closing member 2 is provided with a contact member 22 capable of rolling, and the contact member 22 exposes the top surface of the boss portion 75.

If the pump wheel 6 needs to be cleaned, the pump wheel 6 can be taken out for cleaning only by opening the pump cover 7.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. A water pump structure of a mop cleaning barrel comprises a barrel body (1), a transmission shaft (3), a wheel cover (5) and a pump wheel (6), wherein the wheel cover covers the pump wheel (6), and the transmission shaft (3) penetrates through a through hole (52) in the wheel cover (5) and then is connected with the pump wheel (6); the method is characterized in that: the bottom of staving (1) is equipped with cavity (11) that is the echelonment, impeller (6) and wheel lid (5) are all located in cavity (11), the mouth end lid of cavity (11) is equipped with pump cover (7) thereby makes cavity (11) form clear water chamber (4), drive shaft (3) upwards wear out pump cover (7), be equipped with intercommunication clear water chamber (4) and external water spray channel (71) and moisturizing passageway (72) on pump cover (7), the inner chamber of wheel lid (5) with water spray channel (71) intercommunication, the inner chamber and the clear water chamber (4) of wheel lid (5) switch on and can intake, be formed with clearance (X) between the internal perisporium of wheel lid (5) and the outer peripheral edges of impeller (6), this clearance (X) is 0.5 ~ 4 millimeter.

2. The water pump structure of a mop cleaning bucket according to claim 1, wherein: the clearance (X) is 1-3 mm.

3. The water pump structure of a mop cleaning bucket according to claim 1, wherein: the cavity (11) comprises a large cavity part (111) and a small cavity part (112) positioned below the large cavity part (111), the pump impeller (6) and the wheel cover (5) are arranged in the small cavity part (112), and the pump cover (7) is covered at the opening end of the large cavity part (111); the inner cavity of the wheel cover (5) is in inserted connection and communication with the water spraying channel (71) through a water outlet channel (51) on the wheel cover (5).

4. The water pump structure of a mop cleaning bucket according to claim 1, wherein: the top surface of the wheel cover (5) is provided with a connecting platform (53) protruding upwards, the through hole (52) penetrates through the connecting platform (53), and the wheel cover (5) is detachably connected with the bottom surface of the pump cover (7) through the connecting platform (53); the connecting platform (53) is provided with a water inlet (531) communicated with the clear water cavity (4).

5. The water pump structure of a mop cleaning bucket according to claim 4, wherein: the bottom surface of the pump cover (7) is provided with a downward extending annular wall (73), and the connecting table (53) is inserted into a space surrounded by the annular wall (73) and connected with the annular wall (73) in a buckling mode; the top surface of the connecting table (53) is provided with a positioning hole (532), and the bottom surface of the pump cover (7) is provided with a positioning column (74) which is matched with the positioning hole (532) in a positioning way.

6. The water pump structure of a mop cleaning bucket according to claim 1, wherein: a sealing ring (8) is arranged between the pump cover (7) and the small cavity part (112), and the pump cover (7) is installed in the small cavity part (112) through a rotary clamping structure.

7. The water pump structure of a mop cleaning bucket according to claim 3, wherein: the transmission shaft (3) is composed of a joint (31) and a pump axle (32) which is arranged on the pump wheel (6) and extends upwards, a fixed shaft (9) is fixed at the bottom of the small cavity part (112), the pump axle (32) is sleeved on the fixed shaft (9) through a bearing or a shaft sleeve, and the joint (31) is connected with the top end of the pump axle (32).

8. The water pump structure of a mop cleaning bucket according to claim 7, wherein: the top of the fixed shaft (9) is provided with a steel ball (10) used for supporting the inner top surface of the joint (31).

9. The water pump structure of a mop cleaning bucket according to claim 1, wherein: the top surface of the pump cover (7) is provided with a boss part (75) extending upwards, and the transmission shaft (3) vertically penetrates through the boss part (75).

10. The water pump structure of a mop cleaning bucket according to claim 1, wherein: the pump cover (7) is provided with a switching component (2) capable of sliding up and down in a penetrating mode, the switching component (2) vertically penetrates through the boss part (75), and an elastic body (21) enabling the switching component (2) to keep moving upwards is arranged in the clear water cavity (4); the switch component (2) moves downwards to block the water replenishing channel (72), and the switch component (2) moves upwards under the action of the elastic body (21) to open the lower end of the switch component (2) to the structure of the water replenishing channel (72); the top end of the switch component (2) is provided with a contact component (22) capable of rolling, and the top surface of the boss part (75) is exposed out of the contact component (22).

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