CN219281384U - Pool cleaner - Google Patents

Abstract

The present utility model relates to a pool cleaner, comprising: a first housing comprising a filter device and a step surface; the second shell comprises a first end and a second end which is opposite to the first end, and the first shell is detachably connected with the first end of the second shell; the filtering device comprises a clamping portion which is arranged close to the first end, and the clamping portion is abutted to the step surface through detachable connection of the first shell and the second shell. The pool cleaner of the present utility model secures the filter device to the stepped surface of the first housing via the snap-fit connection, on the one hand, forming a seal of the pool cleaner housing to enhance the dirt pick-up capacity of the pool cleaner, and on the other hand, preventing the filter device from moving within the housing to enhance the filtering effect.

Description

Pool cleaner

Technical Field

The present utility model relates to the field of pool cleaning. More particularly, the present utility model relates to a pool cleaner.

Background

Pool cleaners are becoming increasingly popular to keep the pool clean. The motor is arranged in the pool cleaner, and vacuum suction force can be generated along with the rotation of the impeller driven by the motor, dirt and leaves at the bottom of the pool are sucked into the filter cavity for filtering, so that the effects of cleaning the pool and reducing water change are achieved.

In existing pool cleaners, suction created by the operation of the impeller is compromised due to the general sealing effect of the filter chamber.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a pool cleaner which can improve the sealing performance of a filter cavity and has a simple structure and is convenient to detach so as to pour collected dirt.

To this end, the present utility model provides a cleaner for a pool, the pool cleaner comprising: a first housing comprising a filter device and a step surface; the second shell comprises a first end and a second end which is opposite to the first end, and the first shell is detachably connected with the first end of the second shell; the filtering device comprises a clamping portion which is arranged close to the first end, and the clamping portion is abutted to the step surface through detachable connection of the first shell and the second shell.

According to an alternative embodiment of the utility model, the filtering device further comprises: the frame is used for limiting the impurity accommodating cavity and is provided with a water inlet and a plurality of water outlets, wherein the clamping part surrounds the water inlet and is arranged on the frame.

According to an alternative embodiment of the utility model, the clamping part is provided as a flexible bushing comprising a surrounding part and a connecting part; the surrounding part surrounds the water inlet and is sleeved on the frame, and the connecting part extends outwards from the edge of the surrounding part in the radial direction and is abutted to the step surface through the detachable connection.

According to an alternative embodiment of the utility model, the clamping portion is provided as a flange extending integrally radially outwards from the edge of the water inlet.

According to an alternative embodiment of the utility model, one of the first housing and the second housing is provided with a protrusion, and the other of the first housing and the second housing is provided with a recess matching the protrusion, so that the detachable connection is achieved by cooperation of the protrusion with the recess.

According to an alternative embodiment of the utility model, the second housing is provided with an axially extending clamping strip on the inner side; the clamping strip is configured to be abutted to the surface of the flange when the first shell is detachably connected to the inner side of the first end of the second shell, so that the flange is clamped between the step surface and the clamping strip.

According to an alternative embodiment of the utility model, the pool cleaner further comprises a cleaning portion adapted to be in contact with a floor or wall of the pool, the cleaning portion being sleeved to the second end of the second housing.

According to an alternative embodiment of the utility model, the second housing delimits a water inlet chamber which is in fluid communication with the cleaning portion and the filter device.

According to an alternative embodiment of the utility model, the first housing comprises: a first chamber adapted to house the filter device; a second chamber adapted to house an impeller, the second chamber being located on a side of the first chamber remote from the second housing and in communication with the first chamber; and the water outlet hole is communicated with the second chamber and the water pool.

According to an alternative embodiment of the utility model, a flow guide is arranged in the second chamber, said flow guide being coaxial with the impeller.

According to an alternative embodiment of the utility model, the first housing further comprises a third chamber located at a side of the second chamber remote from the first chamber, the third chamber being in sealing connection with the second chamber; the pool cleaner includes a drive including a motor disposed within the third chamber and coupled to the impeller and a power assembly for powering the motor.

According to an alternative embodiment of the utility model, the power supply assembly comprises a rechargeable battery, and the first housing is provided with a charging port connected to the rechargeable battery.

According to an alternative embodiment of the utility model, the power supply assembly comprises a dry cell battery, and the pool cleaner further comprises a battery cover disposed within the third chamber and mated with the dry cell battery.

According to an alternative embodiment of the utility model, the pool cleaner further comprises a handle connection provided at an end of the first housing remote from the second housing.

The pool cleaner according to the utility model has a number of advantageous effects compared to the prior art, in particular: the pool cleaner of the present utility model secures the filter device to the stepped surface of the first housing via the snap-fit connection, on the one hand, forming a seal of the pool cleaner housing to enhance the dirt pick-up capacity of the pool cleaner, and on the other hand, preventing the filter device from moving within the housing to enhance the filtering effect.

Drawings

Other features and advantages of the present utility model will be better understood from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts throughout the figures thereof.

FIG. 1 is a perspective view of a first embodiment of a pool cleaner of the present utility model;

FIG. 2 is an exploded view of the pool cleaner of FIG. 1;

FIG. 3 is a cross-sectional view of the pool cleaner of FIG. 1;

FIG. 4 is an enlarged view of a portion of the area of the pool cleaner of FIG. 3 in phantom;

FIG. 5 is a perspective view of a second embodiment of the pool cleaner of the present utility model;

FIG. 6 is an exploded view of the pool cleaner of FIG. 5;

FIG. 7 is a cross-sectional view of the drive portion and handle attachment of the pool cleaner of FIG. 5;

FIG. 8 is an exploded view of one embodiment variant of the drive portion and handle attachment of FIG. 5;

FIG. 9 is a cross-sectional view of the drive portion and handle attachment of FIG. 8;

FIG. 10 is a cross-sectional view of a third embodiment of a pool cleaner;

FIG. 11 is an enlarged view of a portion I of the pool cleaner of FIG. 10;

FIG. 12 is an enlarged view of a portion II of the pool cleaner of FIG. 10.

It is to be understood that the drawings are not solely for the purposes of illustration and description of the present utility model, but are intended to be a definition of the limits of the present utility model as applicable.

Detailed Description

The making and using of the embodiments are discussed in detail below. It should be understood, however, that the detailed description and the specific examples, while indicating specific ways of making and using the utility model, are given by way of illustration only and are not intended to limit the scope of the utility model.

In the present specification, directional expressions such as "upper", "lower" and the like are not absolute, but relative. These directional expressions are appropriate when the various components are arranged as shown in the figures, but should be changed as the position of the various components in the figures changes. Further, "inner" and "outer" are defined with reference to the radially inner and outer directions of the illustrated pool cleaner.

Fig. 1 to 4 show a first embodiment of the pool cleaner of the present utility model.

As shown in fig. 1 and 2, the pool cleaner basically comprises a filter section, a cleaning section 2, a drive section and a handle connection 4. The filtering part includes a first housing 11 and a second housing 12, and a water inlet end 11a of the first housing 11 is detachably connected to a first end 12b of the second housing 12. The first end 12b of the second housing 12 is a water outlet end of the second housing.

As shown in fig. 2 to 4, the first housing 11 includes a first side wall 111, a second side wall 112, and a third side wall 113 connecting the first side wall and the second side wall 112, an opening diameter of the second side wall 112 is larger than an opening diameter of the first side wall 111, and the third side wall 113 constitutes a step surface 1131. The first side wall 111, the second side wall 112 and the third side wall 113 together delimit a first chamber a for the placement of the filter device 14. A clamping portion 15 is provided around the water inlet of the filter device 14, and the clamping portion 15 abuts against the step surface 1131 through the detachable connection of the first housing 11 and the second housing 12.

As shown in fig. 3, the filter assembly 14 includes a frame 144 and a screen (not shown) that is mounted over the frame 144. The frame 144 defines an impurity accommodating chamber 1401, and a water inlet 141 (i.e., a water inlet of the filtering device) and a plurality of water outlets 142 are provided on the frame 144. Wherein the water inlet 141 is located at a side of the frame 144 facing the second housing 12, and the plurality of water outlets 142 are disposed on an annular sidewall of the frame 144 and covered by the filter screen. The filtering device 14, the clamping portion 15 and the first housing 11 together define a clean chamber, filtered impurities remain in the impurity receiving chamber 1401, and filtered clean water flows into the clean chamber. According to an embodiment variant, the filter device 14 can also be provided as a net bag or the like.

In some embodiments, the clamping portion 15 is a flexible liner 15a that is sleeved over the water inlet of the filter device 14, and the flexible liner 15a includes a surrounding portion 151 and a connecting portion 152 that extends radially outward along an edge of the surrounding portion 151. The inner diameter of the surrounding portion 151 is matched with the outer diameter of the frame 144 so that the surrounding portion 151 can surround the water inlet 141 and be sleeved at the water inlet of the frame 144 to hold the frame 144 from moving in the first housing 11. More specifically, the inner wall of the surrounding portion 151 abuts against the outer wall of the water inlet of the frame 144, and the outer edge of the connecting portion 152 abuts against the step surface 1131.

By covering the flexible liner 15a at the gap between the water inlet of the filter device 14 and the first housing 11, on the one hand, unfiltered sewage can be prevented from flowing into the clean chamber from the gap, thereby improving the filtering effect; on the other hand, the filter device 14 is prevented from moving inside the first housing 11. In addition, the provision of the flexible bush 15a can prevent water flow communication between the junction of the first housing 11 and the second housing 12 and the outside, thereby ensuring the sealability of the housings.

As shown in fig. 3, the first housing 11 further includes a fourth sidewall 114, a fifth sidewall 115, and a sixth sidewall 116 connecting a lower edge of the fourth sidewall 114 and an upper edge of the fifth sidewall 115, and an opening diameter of the fourth sidewall 114 is larger than an opening diameter of the fifth sidewall 115. Wherein the annular fourth side wall 114 delimits a second chamber B for placing the impeller 32. The fifth side wall 115, which is annular, delimits a third chamber C for housing the motor 31 and the power supply assembly 33 for supplying the motor 31, the motor 31 being connected to the impeller 32 and rotating the impeller 32. Wherein the second chamber B is in sealing connection with the third chamber C, the motor 31 and the power supply assembly 33 together form the driving part of the pool cleaner.

In some embodiments, the power supply assembly 33 may be a rechargeable battery. When the power supply assembly 33 is a rechargeable battery, the fifth sidewall 115 is provided with a corresponding charging port 34 (as shown in fig. 2). Further, the fifth side wall 115 is provided with a power switch 36.

A top wall 117 is arranged between the second chamber B and the first chamber A, and the top wall 117 is connected with the fourth side wall through a bolt 38 to form a second chamber B for accommodating the impeller. The top wall 117 is provided with a through hole 1171 corresponding to the position of the impeller 32 so as to communicate the second chamber B with the first chamber a, while easily sucking the filtered water into the second chamber B where the impeller 32 is located. The sixth sidewall 116 is provided with water outlet holes 35 uniformly distributed in the circumferential direction so that the filtered water flows out of the second chamber B through the water outlet holes 35.

As shown in fig. 3 and 4, the second housing 12 includes a seventh side wall 121, an eighth side wall 122, and a ninth side wall 123 connecting the seventh side wall 121 and the eighth side wall 122. Wherein the eighth side wall 122 delimits a water inlet chamber 1222 which fluidly communicates the cleaning portion 2 with the filter device 14, the seventh side wall 121 surrounds the eighth side wall 122 at an outer side thereof adjacent to the water outlet of the water inlet chamber 1222 to delimit the water reservoir 101, and the water reservoir 101 accommodates therein at least a portion of the eighth side wall 122 adjacent to the water outlet of the water inlet chamber 1222, i.e. the water outlet of the water inlet chamber 1222 extends into the interior of the water reservoir 101. The seventh side wall 121 has a circular cross section in the radial direction, the eighth side wall 122 has a rectangular cross section in the radial direction, and the projection of the rectangle in the radial direction is within the projection range of the circular shape. The cross-section of the intake chamber 1222 may be designed in a circular, oval or other shape according to actual needs, according to implementation variations. At the outlet of the water inlet chamber 1222, a check sheet 125 is provided, which is connected to the ninth sidewall 123 by a connector 124. When the pool cleaner is inactive, the check plate 125 can cover the outlet of the intake chamber 1222 to prevent contaminants within the housing from flowing back into the intake chamber 1222.

The inner diameter of the second side wall 112 is matched with the outer diameter of the seventh side wall 121 so that the first end 12b of the second housing 12 can extend into the water inlet end 11a of the first housing 11 and be fixed by the connection mechanism. In addition, a reinforcing rib 126 is provided in the second housing to increase the structural strength of the first end 12b of the second housing 12.

The connection mechanism includes a protrusion provided on one of the second and seventh sidewalls 112 and 121 and a groove provided on the other of the second and seventh sidewalls 112 and 121 and mated with the protrusion. For example, a protrusion 1211 is provided on the seventh side wall 121, and a groove 1121 (shown in fig. 2) that matches the protrusion 1211 is provided on the second side wall 112, whereby the first casing 11 and the second casing 12 are engaged with each other through the protrusion 1211 and the groove 1121 while sandwiching the connecting portion 152 of the flexible liner 15a between the seventh side wall 121 and the third side wall 113. The connecting mechanism of the first shell 11 and the second shell 12 has simple structure and is convenient to detach so as to pour the collected dirt.

As shown in fig. 2 and 3, the pool cleaner further comprises a cleaning portion 2. The water inlet end 2a of the cleaning part 2 is adapted to be in contact with the bottom or wall of the water tank, and the housing of the cleaning part 2 is arranged streamline to reduce the resistance of water. The cleaning part 2 comprises a dirt absorbing port 21, and rollers 22 and brushes 23 are arranged on two sides of the dirt absorbing port 21. The roller 22 facilitates movement of the pool cleaner and the brush 23 facilitates cleaning of dirt in the pool to improve the cleaning efficiency of the pool cleaner. The water outlet end 2b of the cleaning section 2 is sized and shaped to match the eighth sidewall 122. More specifically, the inner diameter of the water outlet end 2b of the cleaning part 2 is substantially the same as the outer diameter of the eighth sidewall 122, so that the water outlet end 2b of the cleaning part 2 is sleeved on the outer wall of the second end 12a of the second housing 12. Wherein the second end 12a of the second housing 12 is an inlet end opposite to the first end 12b of the second housing 12. According to an embodiment variant, the second end 12a of the second housing 12 may also be fitted over the outer wall of the water outlet end 2b of the cleaning section 2. In addition, a seal ring may be provided between the water outlet end 2b of the cleaning portion 2 and the eighth side wall 122.

When the pool cleaner is in use, water in the pool is sucked from the dirt suction port 21 of the cleaning part 2, then sequentially enters the water storage cavity 101 and the filtering device 14 through the water inlet cavity 1222 of the second housing 12, filtered impurities remain in the impurity accommodating cavity 1401, filtered clean water sequentially enters the clean cavity and the second cavity B through the water outlet 142 on the side wall of the frame 144, and finally is discharged from the water outlet hole 35 on the sixth side wall 116, so that the pool is cleaned. When not in use, the first shell 11 and the second shell 12 can be disassembled, and sundries in the filtering device 14 can be poured out, so that the filtering device is simple and convenient.

The pool cleaner also includes a handle attachment 4. The handle connector 4 is disposed at an upper end of the first housing 11, and the handle connector 4 is integrally formed with the first housing 11.

Fig. 5 to 7 show a second embodiment of the pool cleaner of the present utility model.

The description will not be repeated in comparison with the first embodiment except that the power supply unit 33 is provided as a dry cell. When the power supply assembly 33 is a dry battery, a battery cover 37 matched with the dry battery is also arranged in the third chamber C. The arrangement of the dry battery can lead the pool cleaner not to be limited by an external power supply, and the use scene is more flexible. At this time, the handle connector 4 is detachably connected to the upper end of the first housing 11. For example, an external thread is provided at the upper end of the first housing 11, an internal thread is provided at the lower end of the handle connector 4, and the handle connector 4 can be fixed to the first housing 11 by rotation.

According to an embodiment variant, as shown in fig. 8 and 9, the handle connector 4 is detachably connected to the upper end of the first housing 11 and the body 42 of the handle connector 4 is detachable from the connection ring 41. The lower end of the handle connector body 42 is integrally formed with the battery cover 37. The inside of the connection ring 41 is provided with an internal thread matching with the external thread at the upper end of the first housing 11, and the upper end of the connection ring 41 is provided with an internal fastening edge 411 which can be nested into the external groove of the handle connector, so that the connection ring 41 can connect the handle connector 4 with the first housing 11 by rotating and abut the battery cover 37 above the power supply assembly 33. In addition, a flow guide 39 disposed above the impeller 32 and coaxial with the impeller 32 may be disposed in the second chamber B, and the filtered water flows out of the water outlet hole 35 through the flow guide 39.

Fig. 10 to 12 show a third embodiment of the pool cleaner of the present utility model.

In comparison with the first embodiment, the description will not be repeated except that, as shown in fig. 10 and 11, the engaging portion 15 is provided as a flange 15b integrally formed with the frame 144. The flange 15b extends radially outwardly from the edge of the water inlet of the frame 144 and abuts against the stepped surface 1131 of the first housing 11. The connection mechanism is provided as a groove on the seventh side wall 121 of the second housing 12, and a projection 1122 on the second side wall 112 of the first housing 11 that mates with the groove. The inner diameter of the seventh side wall 121 is matched with the outer diameter of the second side wall 112, and at this time, the water inlet end 11a (as shown in fig. 2) of the first housing 11 is clamped inside the first end 12b (as shown in fig. 2) of the second housing 12. The inner wall surface of the second housing is provided with a clip strip 127 extending in the axial direction. The upper end surface of the clip 127 abuts against the lower end surface of the flange 15b to abut the flange 15b against the step surface 1131 of the first housing 11.

As shown in fig. 10 and 12, the second chamber B accommodating the impeller 32 and the third chamber C accommodating the motor 31 may also be connected by an inner wall 1141 and an outer wall 1142 provided in a stacked manner. Wherein the inner wall 1141 is provided with external threads and the outer wall 1142 is provided with internal threads matching the external threads to rotationally fix the inner and outer walls 1141, 1142 together.

While the foregoing has disclosed the subject matter and the features of the utility model, it will be appreciated that those skilled in the art, upon attaining the teachings of the utility model, may make variations and improvements to the concepts disclosed herein, and fall within the scope of the utility model.

The above description of embodiments is illustrative and not restrictive, and the scope of the utility model is defined by the claims.

Claims (14)

1. A pool cleaner, the pool cleaner comprising:

a first housing comprising a filter device and a step surface; and

the second shell comprises a first end and a second end which is opposite to the first end, and the first shell is detachably connected with the first end of the second shell;

the filtering device comprises a clamping portion which is arranged close to the first end, and the clamping portion is abutted to the step surface through detachable connection of the first shell and the second shell.

2. The pool cleaner of claim 1, wherein the filter device further comprises:

the frame is used for limiting the impurity accommodating cavity and is provided with a water inlet and a plurality of water outlets, wherein the clamping part surrounds the water inlet and is arranged on the frame.

3. A pool cleaner as claimed in claim 2, wherein,

the clamping part is provided with a flexible bushing, and the flexible bushing comprises a surrounding part and a connecting part;

the surrounding part surrounds the water inlet and is sleeved on the frame, and the connecting part extends outwards from the edge of the surrounding part in the radial direction and is abutted to the step surface through the detachable connection.

4. A pool cleaner as claimed in claim 2, wherein,

the clamping part is provided with a flange which integrally extends outwards from the edge of the water inlet in a radial direction.

5. The pool cleaner of claim 1, wherein,

one of the first housing and the second housing is provided with a protrusion, and the other of the first housing and the second housing is provided with a groove matching with the protrusion, so that the detachable connection is realized through the cooperation of the protrusion and the groove.

6. The pool cleaner of claim 4, wherein,

a clamping strip extending along the axial direction is arranged on the inner side of the second shell;

the clamping strip is configured to be abutted to the surface of the flange when the first shell is detachably connected to the inner side of the first end of the second shell, so that the flange is clamped between the step surface and the clamping strip.

7. The pool cleaner of claim 1, further comprising a cleaning portion adapted to contact a floor or wall of the pool, the cleaning portion being nested to the second end of the second housing.

8. The pool cleaner of claim 7, wherein the second housing defines a water inlet chamber that fluidly communicates the cleaning portion with the filter assembly.

9. The pool cleaner of claim 1, wherein the first housing comprises:

a first chamber adapted to house the filter device;

a second chamber adapted to house an impeller, the second chamber being located on a side of the first chamber remote from the second housing and in communication with the first chamber; and

and the water outlet hole is communicated with the second chamber and the water pool.

10. The pool cleaner of claim 9, wherein a deflector is disposed within the second chamber, the deflector being coaxial with the impeller.

11. The pool cleaner of claim 9, wherein the water supply system further comprises a water supply system,

the first shell further comprises a third chamber which is positioned on one side of the second chamber away from the first chamber, and the third chamber is in sealing connection with the second chamber;

the pool cleaner includes a drive including a motor disposed within the third chamber and coupled to the impeller and a power assembly for powering the motor.

12. The pool cleaner of claim 11, wherein the water supply system further comprises a water supply system,

the power supply assembly includes a rechargeable battery, and the first housing is provided with a charging port connected to the rechargeable battery.

13. The pool cleaner of claim 11, wherein the water supply system further comprises a water supply system,

the power supply assembly includes a dry cell battery, and the pool cleaner further includes a battery cover disposed within the third chamber and mated with the dry cell battery.

14. The pool cleaner of claim 1, further comprising a handle connector disposed at an end of the first housing remote from the second housing.

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