JP6656782B1 - Drainage pump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drainage pump for efficiently removing water in a puddle. A drainage pump (1) according to the present invention has a power drive unit (2) for sucking and discharging water, and a suction unit (3) having a water absorption hole (3A) for taking in water is arranged at a lower end, and the taken water is taken in. A discharge part 6 having a discharge hole 6B for discharging water is disposed above the suction part 3, and an air blocking part 4 for preventing air from being trapped when sucking water is provided between the suction part 3 and the discharge part 6. Is arranged so as to cover the suction part 3 from above, and the air blocking part 4 is made of a sheet-like elastic member. [Selection diagram] Fig. 1

Description

  The present invention relates to a drainage pump that efficiently removes water from a puddle.

  If there is a puddle when working in the schoolyard, you can often see the sponge sucking water. However, even if water is absorbed by the sponge, the water will drop before transfer to the bucket and the efficiency will be poor, and the gravel will remain in the sponge.

  Therefore, for example, a technique according to Patent Literature 1 is disclosed. According to the present technique, a portable pump having a ground plate on the bottom is installed in a water pool, and an operator rides on a stepping part and moves from a suction part on the bottom to a base part. Is absorbed by the handle operation.

JP 2008-208730A

  However, this requires a great deal of labor and time, and is inconvenient.

  When the water depth becomes shallow, air is caught and drainage becomes difficult. If the water bottom is soft, the water absorption hole may be buried in the ground due to the weight of the worker, and may be blocked by mud or gravel.

  An object of the present invention is to provide a drainage pump that efficiently removes water from a puddle.

  In order to achieve the above object, the present invention provides the following technology.

The invention according to claim 1 is a drainage pump for removing water in a puddle, which has a power drive unit for sucking and discharging water, and a suction unit having a water suction hole for taking in water is provided at a lower end. A discharge unit having a discharge hole for discharging the taken-in water is disposed above the suction unit, and an air blocking unit for preventing air from being caught when suctioning water is provided between the suction unit and the discharge unit. disposed so as to cover the suction portion from above between, the air blocking part is Ri Do a sheet-like elastic member, moreover, the power drive unit is characterized manual der Rukoto manual drainage Will not provide a pump for use.

  In the invention according to claim 2, the suction part is formed in a bottomed cylindrical shape whose bottom is sealed and the water absorption hole is formed in a horizontal direction, and the drainage pump according to claim 1, is provided. I will do it.

  According to a third aspect of the present invention, there is provided a drainage pump according to the second aspect, wherein the suction portion has a plurality of the water absorption holes.

  In the invention according to claim 4, the drainage pump according to any one of claims 1 to 3, wherein the air blocking portion is formed in a disk shape coaxially with the suction portion. .

  According to a fifth aspect of the present invention, there is provided a drainage pump according to any one of the first to fourth aspects, wherein the air blocking portion is formed so as to be slidable up and down.

According to the first aspect of the present invention, a power drive unit for sucking and discharging water is provided, and a suction unit having a water suction hole for taking in water is provided at a lower end, and a discharge hole for discharging the taken water is provided. The discharge unit having the discharge unit is disposed above the suction unit, and an air blocking unit that prevents air from being caught when suctioning water is disposed so as to cover the suction unit from above between the suction unit and the discharge unit. , air blocking portion is Ri Do a sheet-like elastic member, moreover, the power drive unit may be from manual der Rukoto manual, without using a power source, used everywhere, further, air barrier The portion is dropped on the water surface and has a lid shape to absorb water, thereby preventing air from being caught.

  According to the second aspect of the present invention, since the suction portion is formed in a bottomed cylindrical shape with a closed bottom and has a horizontal water absorption hole, it can absorb water without sucking sand. .

  According to the third aspect of the present invention, since the suction portion has a plurality of water absorption holes, the suction portion can constantly absorb more water without limiting the direction.

  According to the fourth aspect of the present invention, since the air blocking portion is formed in a disk shape coaxially with the suction portion, the air blocking portion can adhere to the water surface and absorb water anywhere in the puddle without biting air.

  According to the fifth aspect of the present invention, since the air blocking portion is formed to be slidable up and down, it can cope with puddles of all depths and can absorb water.

1 is an overall view showing a drain pump according to an embodiment of the present invention. It is a figure showing the sectional view of the drainage pump concerning the embodiment of the present invention. FIG. 3 is an enlarged partial cross-sectional view of a suction unit and an air blocking unit, when a residual water level is high. FIG. 4 is an enlarged partial cross-sectional view of a suction unit and an air blocking unit, when the residual water level is low. It is a perspective view which shows the drainage operation | work of a puddle.

  The gist of the drain pump according to the embodiment of the present invention is a drain pump that removes water in a puddle, has a power drive unit for sucking and discharging water, and includes a suction unit that has a water suction hole that takes in water. A discharge unit disposed at the lower end and having a discharge hole for discharging the taken-in water is disposed above the suction unit, and an air blocking unit for preventing air from being caught when suctioning water is provided by the suction unit and the discharge unit. The suction portion is disposed so as to cover the suction portion from above, and the air blocking portion is made of a sheet-like elastic member. That is, an attempt is made to provide a drainage pump that efficiently removes water from a puddle.

  Hereinafter, an embodiment of a drainage pump according to the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 5, the drain pump 1 according to the present embodiment includes a power drive unit 2 for sucking and discharging water A, and a suction unit 3 having a water suction hole 3A for taking in water A. A discharge unit 6 having a discharge hole 6B disposed at a lower end and having a discharge hole 6B for discharging the taken-in water A is disposed above the suction unit 3, and an air shut-off unit 4 for preventing air from being trapped when the water A is sucked. Is disposed between the suction unit 3 and the discharge unit 6 so as to cover the suction unit 3 from above, and the air blocking unit 4 is formed of a sheet-like elastic member.

  Further, the suction part 3 is formed in a bottomed cylindrical shape in which the bottom part 3B is sealed and forms a water absorption hole 3A in the horizontal direction. Further, the suction part 3 has a plurality of water absorption holes 3A.

  The air blocking section 4 is formed in a disk shape coaxially with the suction section 3.

  Further, the power drive unit 2 is manually operated by hand.

  Specifically, as shown in FIGS. 1 and 2, the power drive unit 2 includes a gripping operation unit 2A made of a flexible synthetic resin material and formed in a hollow drum shape in a front view, and a gripping operation unit. A cylindrical water passage 5 made of a synthetic resin material communicates from the lower end of 2A and extends downward.

  The discharge part 6 is formed by forming a cylindrical drainage channel 6A made of a synthetic resin material having flexibility and communicating with the upper edge of the waterway 5, and a discharge hole 6B at the tip of the drainage channel 6A. I have.

  A check valve (not shown) is provided at a communication portion between the gripping operation section 2A and the water passage 5 and a communication portion between the water passage 5 and the drain passage 6A.

  Therefore, the gripping operation unit 2A is manually gripped while the gripping operation unit 2A is repeatedly contracted and returned according to the strength of the gripping force, so that the water passage 5 has a negative pressure, and the water A sucked from the suction unit 3 described later flows through the water passage. 5, the water A can be guided to the drain passage 6A and discharged from the discharge hole 6B while preventing the water from entering the gripping operation section 2A by the two check valves while being guided into the inside.

  The air blocking portion 4 is made of a disc-shaped sheet-like elastic member as shown in FIG. 5, and can prevent air from being caught when water A is sucked.

  The fact that the air blocking portion 4 is a sheet-like elastic member means that the air blocking portion 4 covers the water surface even when the remaining water level of the puddle is low as shown in FIG. can do.

  In addition, the air blocking part 4 is not limited to a disk shape, and may be, for example, an umbrella shape, and may have any shape or material as long as it prevents air from being caught when sucking the water A. Is also good.

  Further, in the present embodiment, the air blocking section 4 is formed coaxially with the suction section 3, but the arrangement position of the air blocking section 4 is not limited to the present embodiment.

  The suction section 3 is made of a hard plastic having a plurality of water absorption holes 3A for taking in water A, and is configured to take in water A and discharge it to the outside.

  The material of the suction unit 3 is not limited to hard plastic.

  Specifically, as shown in FIGS. 2, 3 and the like, the suction portion 3 is formed in a bottomed cylindrical shape with a bottom portion 3B hermetically sealed, and in this embodiment, formed in a substantially inverted T-shape in cross section. Further, a plurality of water-absorbing holes 3A communicating with the water passage 5 in the horizontal direction are formed on a peripheral side surface near the bottom 3B side at an upper portion and communicating with a lower end of the water passage 5.

  In the drain pump 1 according to the present embodiment, the air blocking section 4 is formed so as to be slidable up and down.

  Specifically, by slidably inserting the air blocking unit 4 into the water passage 5 or the suction unit 3, the height of the air blocking unit 4 also changes according to the height of the water surface.

  In addition, the sliding mechanism of the air blocking unit 4 is not limited to the present embodiment.

  In the present embodiment, the drainage pump 1 is described as being of a manual type. However, even if the pump is capable of automatic operation such as driving a motor using electricity or fossil fuel as a power source, the gist of the present invention is described. It goes without saying that it is within the range.

  As described above, as shown in FIG. 5, the gripping operation unit 2A is manually held while the gripping operation unit 2A is repeatedly contracted and returned according to the strength of the gripping force. While the water A sucked from 3 is drawn into the water passage 5, the two check valves prevent the water from entering the gripping operation unit 2A, and cover the water surface with the air blocking unit 4 so that the air bites. The water A can be guided to the drainage channel 6A and discharged from the drainage hole 6B in a state where the water A is not inserted and in a state where the intrusion of relics such as gravel is prevented by the water absorption hole 3A formed in the horizontal direction.

  The drainage pump 1 according to the present embodiment has a power drive unit 2 for sucking and discharging water A, and a suction unit 3 having a water suction hole 3A for taking in water A is provided at a lower end and taken in. A discharge unit 6 having a discharge hole 6B for discharging water A is disposed above the suction unit 3, and an air shut-off unit 4 for preventing air from being caught when suctioning the water A is connected to the suction unit 3 and the discharge unit. The air-blocking portion 4 is made of a sheet-like elastic member, so that the air-blocking portion 4 drops on the surface of the water to form a lid and absorb water. By doing so, air entrapment can be prevented.

  Moreover, since the suction part 3 is formed in the bottomed cylindrical shape with which the bottom part 3B was hermetically closed, and formed the water absorption hole 3A in the horizontal direction, it can absorb water without sucking sand.

  In addition, since the suction portion 3 has the plurality of water absorption holes 3A, it can constantly absorb more water without limiting the direction.

  In addition, since the air blocking portion 4 is formed in a disk shape coaxially with the suction portion 3, it can adhere to the water surface and absorb water anywhere in the puddle without biting air.

  Further, since the air blocking portion 4 is formed so as to be slidable up and down, it can cope with puddles of all depths and can absorb water.

  Moreover, since the power drive unit 2 is manually operated by hand, it can be used anywhere without using a power source.

  The preferred embodiment of the present invention has been described above. However, the present invention is not limited to the specific embodiment, and various modifications and changes may be made within the scope of the present invention described in the appended claims. Changes are possible.

A Water B Water surface 1 Drain pump 2 Power drive unit 2A Gripping operation unit 3 Suction unit 3A Water absorption hole 3B Bottom 4 Air shutoff unit 5 Water passage 6 Discharge unit 6A Drain passage 6B Drain hole

Claims (5)

A drainage pump that removes water from the puddle,
Has a power drive for sucking and discharging water,
A suction unit having a water absorption hole for taking in water is arranged at the lower end,
A discharge unit having a discharge hole for discharging the captured water is disposed above the suction unit,
An air blocking unit for preventing air from being caught when sucking water is disposed between the suction unit and the discharge unit so as to cover the suction unit from above ,
The air blocking part is Ri Do a sheet-like elastic member,
Moreover, the power drive unit, the drainage pump, wherein manual der Rukoto manual.   2. The drain pump according to claim 1, wherein the suction unit is formed in a bottomed cylindrical shape with a bottom portion sealed and formed with the water absorption hole in a horizontal direction. 3.   The drainage pump according to claim 2, wherein the suction part has a plurality of the water absorption holes.   The drainage pump according to any one of claims 1 to 3, wherein the air blocking unit is formed in a disk shape coaxially with the suction unit.   5. The drain pump according to claim 1, wherein the air blocking portion is formed to be slidable up and down.

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