JP3762874B2 - Pump for pumping bath water - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
[0002]
  The present invention relates to a bath water pump used for pumping bath water.
[Prior art]
[0003]
  In recent years, tap water has been saved for the purpose of securing water resources. For example, bath water that has been used the night before is used when washing in an electric washing machine.
[0004]
  As described above, when the bath water is to be used for washing, a pump is needed to pump the water in the bathtub and supply it to the electric washing machine. The pump is composed of a pump body immersed in a bathtub and an energization control unit for controlling the energization of the pump body. A pumping hose is connected to the discharge port of the pump body and is electrically connected to the pumping hose. One that supplies bath water to a washing machine has been conventionally used.
[Problems to be solved by the invention]
[0005]
  However, since the bath water used the night before is dirty, there is a problem in that it cannot be used for rinsing even if it can be used as it is until the washing process for washing the laundry.
[0006]
  The present invention has been made in view of the above points, and by providing a water purification function to the pump for pumping up the bath water, the bath water can be used even in the rinsing process at the time of washing. The purpose is to make savings and water bills possible.
[Means for Solving the Problems]
[0007]
  In the invention of claim 1, as a means for solving the above-mentioned problem, in a bath water pumping pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body The pump body includes a casing having a water suction port and a discharge port, a motor serving as a drive source disposed in the casing, and an impeller disposed in the casing and rotationally driven by the motor. AndWhile disposing a first filter that captures coarse dust at the water inlet,The pump body is provided with a water purification mechanism for water purification of bath water that is connected to a passage from the water suction port to the discharge port and that can be connected to a connection hose for pumping.And a second filter finer than the first filter is disposed on the inlet side of the water purification mechanism.is doing.
[0008]
  By configuring as described above, when the motor is started to be driven by the energization control unit in a state where the pump body is immersed in the water in the bathtub, the bath water sucked from the water suction port by the rotation driving of the impeller is caused by the water purification mechanism. It will be discharged after being purified. Accordingly, if a connection hose for pumping is connected to the pump body, purified bath water can be supplied to the electric washing machine. As a result, the bath water can be used from the washing process to the rinsing process, and it is possible to further save tap water and water costs.Moreover, it will be sent to a water purification mechanism in the state from which the coarse waste contained in bath water was removed by the 1st filter, and it can prolong the lifetime of a water purification mechanism. Furthermore, fine dust contained in the bath water flowing into the water purification mechanism is removed by the second filter, and the period during which the water purification mechanism reaches the clogged state (in other words, the lifetime) becomes longer.
[0009]
  Invention of Claim 2Then, as a means for solving the above-mentioned problem, in a bath water pumping pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body is And a casing having a water suction port and a discharge port, a motor as a drive source disposed in the casing, and an impeller disposed in the casing and driven to rotate by the motor. Is formed in a double wall structure having a water intrusion space inside and a water inlet that communicates with the water intrusion space is formed above and below the casing, while the pump body communicates with a passage from the water inlet to the outlet. In addition, a water purification mechanism for water purification of bath water is provided so that a connection hose for pumping can be connected.
[0010]
  By configuring as described above, when the motor is started to be driven by the energization control unit in a state where the pump body is immersed in the water in the bathtub, the bath water sucked from the water suction port by the rotation driving of the impeller is performed by the water purification mechanism. It will be discharged after being purified. Accordingly, if a connection hose for pumping is connected to the pump body, purified bath water can be supplied to the electric washing machine. As a result, the bath water can be used from the washing process to the rinsing process, and it is possible to further save tap water and water costs. Further, water enters the water intrusion space from the water inlets formed at the top and bottom of the casing, so that the pump body can be easily immersed in water.
[0011]
  Invention of Claim 3Then, as a means for solving the above-mentioned problem, in a bath water pumping pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body is And a pump having a water inlet and a discharge port, a motor serving as a drive source disposed in the casing, and an impeller disposed in the casing and driven to rotate by the motor. In the body, A water purifying mechanism for bath water purification that is detachably attached to a discharge port in the casing and configured to be connected to a connection hose for pumping is attached, while the water purification mechanism is removed from the discharge port while the water purification mechanism is removed. A structure that can connect a hose is attached.
[0012]
  By configuring as described above, when the motor is started to be driven by the energization control unit in a state where the pump body is immersed in the water in the bathtub, the bath water sucked from the water suction port by the rotation driving of the impeller is performed by the water purification mechanism. It will be discharged after being purified. Accordingly, if a connection hose for pumping is connected to the pump body, purified bath water can be supplied to the electric washing machine. As a result, the bath water can be used from the washing process to the rinsing process, and it is possible to further save tap water and water costs. Also,The water purification mechanism can be attached in a separate configuration, the attachment structure can be simplified, and inspection, replacement, and the like are facilitated.Furthermore, not only the usage form which provided the water purification function by a water purification mechanism but the usage form which does not provide a water purification function can be selected, and the use form can be diversified.
DETAILED DESCRIPTION OF THE INVENTION
[0013]
  Hereinafter, some preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0014]
  First embodiment
  1 to 4 show a bath water pumping pump according to a first embodiment of the present invention.
[0015]
  As shown in FIG. 1, this bath water pump is composed of a pump body 1 immersed in a used bath water W in a bathtub B and an energization control unit 2 that controls energization of the pump body 1. The bath water W discharged from the pump body 1 is supplied to the electric washing machine C through the connection hose 3 for pumping up. In FIG. 1, reference numeral 4 denotes a power outlet.
[0016]
  As shown in FIG. 2, the pump body 1 includes a water suction port 8 located at the lower end and a discharge port located at a position closer to the water suction port 8 from the center in the axial direction (in other words, the vertical direction) on the side surface. 9, a motor 6 serving as a drive source disposed in the casing 5, and an impeller 7 disposed in the casing 5 and driven to rotate by the motor 6.
[0017]
  The casing 5 is made of a synthetic resin casing body 10 made of a synthetic resin having a cylindrical shape, and fixed to the both ends of the axial direction of the casing body 10 (in other words, the vertical direction) by a fitting structure. The casing body 10 includes a bottomed cylindrical motor chamber 13 positioned on the axial center side, and a water intrusion space 14 positioned outside the motor chamber 13. It has a double wall structure consisting of The lower cover body 11 has a plurality of the water inlets 8, while the upper cover body 12 has an upper water inlet that allows the bath water W to enter the water intrusion space 14. A plurality of 15 are formed.
[0018]
  A motor 6 that is a drive source is disposed in the motor chamber 13, and a rotating shaft 6 a of the motor 6 passes through a bottom portion 13 a of the motor chamber 13 and is positioned below the motor chamber 13. The impeller 7 protrudes into the impeller chamber 16, and the impeller 7 is pivotally attached to the tip of the impeller chamber 16 so as to be able to rotate together in the impeller chamber 16. A cylindrical synthetic resin lid member 17 for preventing water from entering the motor chamber 13 is fitted on the motor chamber 13 to supply power to the motor 6. The feeding cord 18 that passes through the lid member 17 and the upper cover body 12 is led out to the outside. Reference numeral 19 denotes a seal member that seals the penetrating portion of the power supply cord 18, and reference numeral 20 denotes a connection outlet provided at the end of the power supply cord 18.
[0019]
  The impeller chamber 16 is a rectified cylindrical rectifier fitted into an end portion (in other words, a lower end portion) on the water inlet 8 side in the axial direction of the bottom portion 13a of the motor chamber 13 and the casing body 10. Bath water W formed between the member 21 and sucked from the inlet 22 formed at the center of the rectifying member 21 (in other words, the portion facing the impeller 7) by rotational driving of the impeller 7. Is discharged from the outlet 23 of the impeller chamber 16 to the discharge port 9. The impeller chamber outlet 23 faces the substantially lower half portion of the discharge port 9. If it does in this way, the water scooped out in the horizontal direction by the impeller 7 will be smoothly discharged to the discharge outlet 9. Reference numeral 24 denotes four rectifying blades formed radially on the inner surface of the rectifying member 21, and 25 denotes a seal member that seals the through portion of the motor rotating shaft 6a.
[0020]
  Further, a part of the water intrusion space 14 (that is, the portion opposite to the discharge port) is extended to the side of the impeller chamber 16, and a lower side water inlet 26 is formed at the lower end thereof. Yes. In this way, the water intrusion space 14 can be made as large as possible, so that the pump main body 1 can be immersed in water more easily, and the lower side inlet 26 is formed. Water intrusion through the formed water inlets 15, 15,.
[0021]
  Further, an annular wall 27 surrounding the water inlets 8, 8,... Is integrally provided on the inner surface of the lower cover body 11, and coarse dust contained in the bath water W is placed in the annular wall 27. The 1st filter 28 which capture | acquires is arrange | positioned. If it does in this way, the coarse dust contained in the bath water W will be sent to the water purification mechanism 35 in the state removed by the 1st filter 28, and the lifetime of the water purification mechanism 35 can be made lasting.
[0022]
  As shown in FIG. 3, the energization control unit 2 includes a main body 29, a power outlet 31 connected to the power outlet 4, and a water level sensor 61, and the main body 29 includes the pump body 1. A connection outlet 30 to which the side connection outlet 20 is connected, a switch 32 for controlling energization of the motor 6, and an energization indicator lamp 33 for displaying the energization state are provided.
[0023]
  Thus, the discharge port 9 is formed from a cylindrical body having an external screw 34 that is integrally protruded at a position closer to the water suction port 8 side from the axial center in the side surface of the casing body 10 constituting the casing 5. The water purifying mechanism 35 for purifying bath water is attached to the discharge port 9 so as to be detachable. If it does in this way, a baffle will not exist in the channel | path from the water inlet 8 to the impeller 7, the flow volume of the bath water W can be ensured, and the fall of discharge flow volume and generation | occurrence | production of discharge failure are prevented. be able to. Moreover, the water purification mechanism 35 can be attached by another structure, the attachment structure can be simplified, and inspection, replacement, and the like are facilitated. Furthermore, since the shaft center of the pump main body 1 and the shaft center of the water purification mechanism 35 intersect at a right angle in the attached state, the whole has a substantially T shape, and stability in water is improved. Moreover, since the water purification mechanism 35 is attached to the discharge port 9 formed at a position closer to the water suction port 8 side than the center in the axial direction on the side surface of the casing 5, the entire center of gravity is obtained by the attachment of the water purification mechanism 35. From the position closer to the water inlet 8, an underwater posture with the water inlet 8 facing downward can be obtained, and all the water in the bathtub can be pumped out.
[0024]
  Further, a second filter 36 finer than the first filter 28 is disposed in the discharge port 9. If it does in this way, the fine dust contained in the bath water W which flows into the water purification mechanism 35 will be removed by the 2nd filter 36, and the period (in other words, lifetime) until the water purification mechanism 35 will be in a clogged state will be provided. become longer. Note that the second filter is not necessarily required.
[0025]
  The water purification mechanism 35 includes a cylindrical tubular case 37 and a plurality (for example, three) of water purification units 38, 38, and 38 accommodated in the tubular case 37. One end side of the cylindrical case 37 is an open end portion 37a having a slightly larger diameter, and an inner surface of the open end portion 37a is screwed with an external screw 34 of the discharge port 9. A screw 39 is formed. That is, the water purification mechanism 35 is detachably attached to the pump body 1 by screwing the open end 37 a of the cylindrical case 37 to the discharge port 9. The other end side of the cylindrical case 37 is closed with a wall surface having substantially the same shape as the end surface of the water purification unit 38, and a connection port for connecting the connection hose 3 for pumping to the center thereof. 40 protrudes integrally.
[0026]
  If it does in this way, it will become possible to wash | clean regularly the water purification unit 38, and it will also become possible to make water purification capability last long. Moreover, since the other end side of the cylindrical case 37 is closed with a wall surface having substantially the same shape as the end surface of the water purification unit 38, there is a space in which water stays in the inner bottom portion of the cylindrical case 37 after use. It will not be formed. Accordingly, it is possible to prevent problems that may occur when water stays (that is, decay of staying water and growth of bacteria).
[0027]
  Each of the water purification units 38 has a symmetrical shape with respect to the water flow direction and a storage case 41 in which members (for example, mesh members 43 and 44) having a large number of water passage holes on the water intrusion side and the water discharge side are disposed. , And a water purification element 42 such as activated carbon stored in the storage case 41. If it does in this way, it will become unnecessary to consider directionality, when storing water purification unit 38,38,38 in cylindrical case 37, while storing becomes easy, and aggregation of water purification element 42 in each water purification unit 38 is carried out. Occurrence of clogging due to can be suppressed as much as possible. In addition, the function of the water purification mechanism 35 can be restored only by replacing the water purification unit 38, and each water purification unit 38 can be reduced in size, while improving the water purification effect in each water purification unit 38. The function can last a long time. Moreover, the increase in the water flow resistance in each water purifying unit 38 can be suppressed by downsizing the water purifying unit 38. In addition, although the same thing may be used as the water purification element 42 accommodated in the said water purification unit 38,38,38, it differs in a kind or a shape (For example, things other than activated carbon and activated carbon, or a particle size differs. In that case, if the order of storing in the cylindrical case 37 is changed periodically, the life of the water purification mechanism 35 can be extended.
[0028]
  As shown in FIG. 4, the storage case 41 has an inner collar portion 47 that is integrally formed at one end side and slightly located from the end portion, and an engagement step portion 48 is formed on the other end side. A cylindrical storage case main body 45 and an engagement tube portion 49 that is forcibly fitted to the engagement step portion 48 of the storage case main body 45 on one end side and slightly away from the other end side. And an annular body 46 having an inner flange portion 50 formed integrally therewith. The engagement cylinder portion 49 is forcibly fitted and engaged with the engagement step portion 48 to be annular with respect to the storage case main body 45. In the state where the body 46 is coupled, the shape is symmetrical with respect to the direction of water flow.
[0029]
  A locking claw 51 is integrally formed on one end side of the storage case body 45, and the mesh member 43 and the fixing ring 52 are sandwiched between the inner collar portion 45 and the locking claw 51. ing. On the other hand, a locking claw 53 is integrally formed on the other end side of the annular body 46, and the mesh member 44 and the fixing ring 54 are sandwiched between the inner flange portion 50 and the locking claw 53. It has become. Reference numerals 55 and 56 are formed on the inner flange portions 45 and 50, respectively, in order to allow deformation of the mesh members 43 and 44 when the mesh members 43 and 44 and the fixing rings 52 and 54 are engaged with the locking claws 51 and 53 Hole. In the state where the water purification units 38, 38, 38 configured in this way are stored in the cylindrical case 37, gaps S, S are formed between the water purification units 38, 38, 38. By forming the gap S, it is possible to eliminate pressure loss caused by the mesh members 43 and 44 coming into contact with each other. In addition, the water purification unit 38 is replaced | exchanged for a new thing as a unit, without being decomposed | disassembled when the lifetime comes.
[0030]
  In the bath water pumping pump configured as described above, the following operational effects can be obtained.
[0031]
  First, the connection outlet 20 of the power supply cord 18 of the pump main body 1 is connected to the connection outlet 30 of the energization control unit 2, the power outlet 31 of the energization control unit 2 is connected to the power outlet 4 on the wall surface, and water purification in the pump main body 1. One end of the connection hose 3 is connected to the connection port 40 of the mechanism 35 and the other end of the connection hose 3 faces the washing tub of the electric washing machine C.
[0032]
  Next, when the pump body 1 is immersed in the water of the bathtub B, the bath water W enters the water intrusion space 14 from the water inlets 15 and 26, and the pump body 1 is in a posture with the water inlet 8 side facing downward. It sinks to the bottom of bathtub B (see FIG. 1).
[0033]
  Under this state, when the switch 32 of the energization control unit 2 is turned on to start energization of the motor 6, the impeller 7 is rotationally driven as the motor 6 is driven. Then, the bath water W sucked from the water suction port 8 is discharged from the discharge port 9, purified by the water purification mechanism 35, and supplied to the washing tub of the electric washing machine C through the connection hose 3. That is, the water supplied to the electric washing machine C is clean water purified by the water purification mechanism 35. Therefore, the bath water W can be used from the washing process to the rinsing process, and it is possible to further save tap water and water costs.
[0034]
  Second embodiment
  FIG. 5 shows a pump body in a bath water pumping pump according to a second embodiment of the present invention.
[0035]
  In this case, the discharge port 9 in the pump body 1 is formed with a second connection port 57 to which the connection hose 3 (see FIG. 1) can be connected. An external screw 58 is formed on the outer periphery of the connection port 57. On the other hand, the open end 37a of the cylindrical case 37 constituting the water purification mechanism 35 is provided with a screw part 59 into which the connection port 57 is screwed. That is, when the water purification mechanism 35 is attached, the connection port 57 formed in the discharge port 9 may be screwed to the screw portion 59. At this time, the connection hose 3 is connected to the connection port 40 of the water purification mechanism 35. Connected to. On the other hand, if the water purification mechanism 35 is removed and the connection hose 3 is connected to the connection port 57 formed in the discharge port 9, it can be used without the water purification mechanism. In this case, since the inside of the discharge port 9 is not opened, the arrangement of the filter at the site is omitted. If it does in this way, not only the usage form which provided the water purification function by the water purification mechanism 35 but the usage form which does not provide a water purification function can be selected, and the use form can be diversified. Since other configurations and operational effects are the same as those in the first embodiment, the description thereof is omitted.
[0036]
  Third embodiment
  FIG. 6 shows a pump body in a bath water pumping pump according to a third embodiment of the present invention.
[0037]
  In this case, when the water purification mechanism 35 is not used, the connection unit 60 having the second connection port 57 to which the connection hose 3 (see FIG. 1) is connected is detachably attached to the discharge port 9. ing. That is, the water purification mechanism 35 or the connection unit 60 is alternatively attached to the discharge port 9. If it does in this way, not only the usage form which provided the water purification function by the water purification mechanism 35 but the usage form which does not provide a water purification function can be selected, and the use form can be diversified. Since other configurations and operational effects are the same as those in the first embodiment, the description thereof is omitted.
【The invention's effect】
[0038]
  According to the invention of claim 1, in a pump for pumping bath water comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body is connected to a water inlet. And a casing having a discharge port, a motor serving as a drive source disposed in the casing, an impeller disposed in the casing and driven to rotate by the motor, and the pump body, A state in which the pump body is immersed in the water in the bathtub with a water purification mechanism for bath water purification that is connected to a passage from the water suction port to the discharge port and can be connected to a connection hose for pumping When the motor is started by the energization control unit, the bath water sucked from the water suction port by the impeller rotational drive is discharged after being purified by the water purification mechanism. Because the way, will be able to use up to the rinsing step from step wash the bath water, even more savings of tap water, there is an effect of saving water bill becomes possible.In addition, since the first filter that captures the coarse dust is disposed at the water suction port, the coarse dust contained in the bath water is sent to the water purification mechanism in a state where it is removed by the first filter, There is also an effect that the life of the water purification mechanism can be extended. Furthermore, since the second filter finer than the first filter is arranged on the inlet side of the water purification mechanism, fine dust contained in the bath water flowing into the water purification mechanism is caused by the second filter. There is also an effect that the period (in other words, the lifetime) until the water purification mechanism reaches the clogged state becomes longer.
[0039]
  In invention of Claim 2According to,In a bath water pumping pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body is composed of a casing having a water inlet and a discharge port, A passage that extends from the water intake port to the discharge port in the pump body, and is constituted by a motor that is a drive source disposed in the casing and an impeller that is disposed in the casing and is driven to rotate by the motor. A water purification mechanism for water purification of bath water that is connected to and connected to a pumping connection hose is attached, and the motor is started to drive by the energization controller while the pump body is immersed in the water in the bathtub. The bath water sucked from the water inlet by the impeller's rotational drive is discharged after being purified by the water purification mechanism. It will be available to the rinsing step from the washing process, more savings tap water, the effect of saving water bill becomes possible. In addition, since the casing has a double wall structure with the water intrusion space inside and the inflow ports communicating with the water intrusion space are formed above and below the casing, the inundation ports formed above and below the casing Water enters the water intrusion space, and there is an effect that the pump body can be easily immersed in water.
[0040]
  According to the invention of claim 3,In a bath water pumping pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body is composed of a casing having a water inlet and a discharge port, A motor as a drive source disposed in the casing and an impeller disposed in the casing and driven to rotate by the motor are configured to be detachable from the discharge port in the casing. A water purification mechanism for bath water purification that is attached and configured to connect a connection hose for pumping is attached, and the motor is started to drive by the energization control unit with the pump body immersed in the water in the bathtub. And the bath water sucked in from the water inlet by the impeller's rotational drive was made to be discharged after being purified by the water purification mechanism In, it will be able to use up to the rinsing step from step wash the bath water, even more savings of tap water, there is an effect of saving water bill becomes possible. And since a water purification mechanism can be attached by another structure, there exists an effect that inspection and replacement | exchange etc. become easy while simplifying an attachment structure. In addition, since the discharge port is provided with a structure that allows the pumping hose to be connected in a state in which the water purification mechanism is removed, not only the usage mode that provides the water purification function by the water purification mechanism, but also the usage mode that does not provide the water purification function. There is also an effect that a variety of usage forms can be achieved.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a usage pattern of a bath water pumping pump according to a first embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of a pump main body in the bath water pumping pump according to the first embodiment of the present invention.
FIG. 3 is a front view of an energization control unit in the bath water pumping pump according to the first embodiment of the present invention;
FIG. 4 is an exploded sectional view of a water purification unit in the bath water pumping pump according to the first embodiment of the present invention.
FIG. 5 is a longitudinal sectional view of a pump body in a bath water pumping pump according to a second embodiment of the present invention.
FIG. 6 is a longitudinal sectional view of a pump body in a bath water pumping pump according to a third embodiment of the present invention.
[Explanation of symbols]
  DESCRIPTION OF SYMBOLS 1 is a pump main body, 2 is an electricity supply control part, 3 is a connection hose, 5 is a casing, 6 is a motor, 7 is an impeller, 8 is a water inlet, 9 is a discharge port, 14 is a water intrusion space, 15 and 26 are water inlets , 28 is a first filter, 35 is a water purification mechanism, 36 is a second filter, 37 is a cylindrical case, 38 is a water purification unit, 40 is a connection port, 41 is a storage case, 42 is a water purification element, and 43 and 44 are A mesh member, 57 is a connection port, B is a bathtub, S is a gap, and W is bath water.

Claims (3)

A bath water pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body comprising a casing having a water inlet and a discharge port And a motor serving as a drive source disposed in the casing and an impeller disposed in the casing and driven to rotate by the motor, and the water suction port captures coarse dust. On the other hand, the pump body is provided with a water purification mechanism for water purification of bath water that is connected to a passage from the water inlet to the outlet and is connected to a connection hose for pumping. The bath water pumping pump is characterized in that a second filter finer than the first filter is disposed on the inlet side of the water purification mechanism . A bath water pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body comprising a casing having a water inlet and a discharge port And a motor serving as a drive source disposed in the casing and an impeller disposed in the casing and driven to rotate by the motor, and the casing includes a water intrusion space. While having a heavy wall structure and forming water inlets communicating with the water intrusion space above and below the casing, the pump body is connected to a passage from the water inlet to the outlet and connected to a connection hose for pumping. wind Lu water pumping pump you characterized in that the configured water purification mechanism for bath water purified water was attached as possible. A bath water pump comprising a pump body immersed in water in a bathtub and an energization control unit for controlling energization to the pump body, the pump body comprising a casing having a water inlet and a discharge port And a motor serving as a drive source disposed in the casing and an impeller disposed in the casing and driven to rotate by the motor, and the pump body includes a discharge port in the casing. A water purifying mechanism for bath water purification that is detachably attached and connected to a pumping connection hose can be connected, while the pumping hose can be connected to the discharge port with the water purification mechanism removed. wind Lu water pumped up for the pump shall be the features that you have attached the structure.

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