JP5346609B2 - Pump device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To extemporarily change the position of the suction connecting port body of a casing according to situations on the ground without preparing a plurality of models of pump devices. <P>SOLUTION: This pump device includes: a motor 2 rotating in normal and reverse directions; a mounting frame 5 provided on the side of the motor 2; the casing 6 mounted to the mounting frame 5 and internally having an impeller 7 rotated by the motor 2; the suction connecting port body 10 and a delivery connecting port body 9 which are arranged to the peripheral surface of the casing 6 and displaced in the peripheral direction of the casing by 90 degrees; a first mounting surface 12 provided on one surface of the casing 6; and a second mounting surface 13 symmetrically provided on the other surface of the casing 6 while having the same shape as that of the first mounting surface 12. The casing 6 is mounted selectively from the first mounting surface 12 or the second mounting surface 13 to the mounting frame 5 on the side of the motor 2, thereby, the position of the suction connecting port body 10 is varied by 180 degrees. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a pump device, and more particularly to a mounting structure for a casing containing a rubber impeller.

  In this type of pump device, a rubber impeller in a casing is rotationally driven by a motor to suck water from the suction connection port side of the casing, and then the water is compressed and discharged from the discharge connection port side of the casing.

  In some of these pump devices, a discharge connection port body is provided on the upper side of the casing, and a suction connection port body is provided at a position displaced from the discharge connection port body by 90 degrees along the circumferential direction of the casing.

  By the way, this type of pump device has good self-priming performance (pumping performance) and is not easily clogged with foreign matter, so it is used for special purposes, for example, for sucking up bilge water collected in a ship (for example, Patent Literature 1), or used for transporting moromi in a brewery.

Many other mechanical products are often installed in the ship or brewery area where the pump device is installed, and the installation position of the pump device is determined by the relationship with other mechanical products, and the suction pipe The placement position of is also restricted.
JP 11-208593 A

  However, conventionally, since the position of the suction connection port body of the casing is fixed at a fixed position, depending on the arrangement position of the suction pipe, it becomes difficult to connect the suction pipe to the suction connection port body of the casing. There was a problem.

  Therefore, conventionally, by preparing a plurality of types of pump devices in which the positions of the suction connection ports of the casing are made different, the arrangement of the suction pipes can be accommodated.

  However, when a plurality of types of pump devices are prepared, there is a problem in that the inventory is increased and the total cost is increased.

  In addition, the customer has to purchase after confirming the mounting position of the suction inlet port of the casing in advance, which is troublesome.

  The present invention has been made paying attention to the above circumstances, and its purpose is to increase the inventory and cost, and without confirming the model in advance, the suction inlet for the casing An object of the present invention is to provide a pump device capable of connecting a suction pipe to a body.

In order to solve the above-described problems, a first aspect of the present invention provides a motor capable of rotating in the forward and reverse directions, an attachment frame provided on the motor side, and an impeller attached to the attachment frame and rotated inside by the motor. A suction connection port body and a discharge connection port body which are displaced by 90 degrees in the circumferential direction on the peripheral side surface portion of the casing and are symmetrically arranged in the same shape, and the casing A first mounting surface portion provided on one surface side, and a second mounting surface portion symmetrically provided in the same shape as the first mounting surface portion on the other surface side of the casing; By selectively detachably attaching to the motor-side mounting frame from the first mounting surface side or the second mounting surface side, the position of the suction connection port body can be changed by 180 degrees. To do The features.

  ADVANTAGE OF THE INVENTION According to this invention, the pump apparatus which enabled it to connect suction piping to the connection port body for suction of a casing, without causing the increase in inventory, an increase in cost, and confirming a model beforehand can be provided. .

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a front view showing a pump apparatus according to an embodiment of the present invention.

  This pump device, for example, is installed in the engine room of a ship and sucks up and drains bilge water accumulated in the engine room.

  In the figure, reference numeral 1 denotes a base. On the base 1, for example, a three-phase induction motor (hereinafter simply referred to as a motor) 2 capable of rotating in the forward and reverse directions is provided. A vane pump 3 is attached to the front side of the motor 2 via an attachment frame 5. As shown in FIG. 2, the vane pump 3 includes a casing 6 and a rubber impeller 7 that is rotatably provided in a storage chamber 6 a of the casing 6. The rubber impeller 7 is connected to a rotating shaft 2a of the motor 2 and is driven to rotate in the forward direction or the reverse direction.

  A discharge connection port body 9 for connecting the discharge pipe is disposed on the upper surface portion of the casing 6, and a suction connection port body 10 for connecting the suction pipe is disposed on one side surface portion thereof. These discharge and suction connection ports 9 and 10 are arranged at positions displaced by 90 degrees along the circumferential direction of the casing 6.

  By the way, as shown in FIG. 3, the casing 6 is provided with a first mounting surface portion 12 on one surface side and a second mounting surface portion 13 having the same shape as the first mounting surface portion 12 on the other surface side, It is configured symmetrically about a center line 15 passing through the center of the rubber impeller 7.

  As shown in FIG. 4, four insertion holes 17 are formed in the first and second mounting surface portions 12 and 13 at intervals of 90 degrees along the circumferential direction of the casing 6. The insertion holes 17 of the first and second mounting surface portions 12 and 13 are opposed to each other, and a fastening bolt 18 as a fixture is inserted therethrough.

  Further, as shown in FIG. 1, the mounting frame 5 on the motor 2 side has four insertion holes (only one shown) 20 at intervals of 90 degrees along the circumferential direction. These insertion holes 20 are opposed to the insertion holes 17 of the first and second mounting surface portions 12 and 13 described above.

  The fastening bolt 18 is inserted into the insertion hole 20 of the mounting frame 5 from the casing 6 side through the insertion holes 17 of the first and second mounting surface portions 12 and 13, and the nut 21 is screwed to the insertion end side. Thus, the casing 6 is fastened to the mounting frame 5.

  Note that the first and second mounting surface portions 12 and 13 and the insertion holes 17 and 20 drilled in the mounting frame 5 are not drilled at intervals of 90 degrees, but at intervals of 45 degrees or 30 degrees, for example. May be.

  In the pump device configured as described above, for example, when the motor 2 is driven to rotate in the forward direction, the rubber impeller 7 is rotated counterclockwise as shown by an arrow as shown in FIG. As a result, water is sucked into the storage chamber 6a of the casing 6 through the suction pipe and the suction connection port body 10, and then compressed and discharged to the discharge pipe through the discharge connection port body 9, and the drain side. Sent to.

  By the way, the pump device configured as described above is shipped from the factory and installed in the machine room of the ship in the state shown in FIG. 2, for example, but the suction pipe is connected to the suction connection port body 10 of the casing 6. For example, when it is located on the opposite side of 180 degrees, it is difficult to connect the suction pipe to the suction connection port body 10 of the casing 6.

  Therefore, in the present invention, the attachment direction of the casing 6 with respect to the motor 2 is reversed, and the position of the suction connection port body 10 is changed by 180 degrees.

  That is, the fastening bolt 18 is removed from the state shown in FIG. 2, and the casing 6 is removed from the mounting frame 5 of the motor 2 together with the rubber impeller 7. Then, the direction of the casing 6 is changed from the state shown in FIG. 4 by reversing 180 degrees around the center line 15 as shown in FIG. Next, the casing 6 is superimposed on the mounting frame 5 from the second mounting surface 13 side, and the insertion hole 17 is opposed to the insertion hole 20 of the mounting frame 5. From this state, the fastening bolts 18 are respectively inserted into the insertion holes 17 from the first attachment surface 12 side of the casing 6. Then, these fastening bolts 18 are inserted into the insertion holes 20 of the mounting frame 5 through the insertion holes 17 of the second mounting surface portion 13, and the nuts 21 are screwed onto the insertion end sides thereof so that the casing 6 is shown in FIG. Fasten to the mounting frame 5 as shown. Thereby, the suction connection port body 10 is displaced by 180 degrees, and the position is changed from the left side to the right side.

  After the casing 6 is attached in the reverse direction as described above, when the suction pipe is connected to the suction connection port body 10 and the motor 2 is rotated in the reverse direction, the rubber impeller 7 is rotated in the clockwise direction as indicated by an arrow. As a result, a suction force is generated in the suction connection port body 10, and suction from the right direction of the casing 6 becomes possible.

  As described above, according to this embodiment, the peripheral side surface portion is displaced by 90 degrees in the circumferential direction, and the discharge connection port body 9 and the suction connection port body 10 are arranged on the one surface side of the casing 6. The first mounting surface portion 12 and the second mounting surface portion 13 are arranged symmetrically on the other surface side, and the casing 6 is connected to the mounting frame 5 of the motor 2 with the first mounting surface portion 12 or the second mounting surface portion 13. Since it can be selectively attached from the side, the position of the suction connection port 10 of the casing 6 can be changed 180 degrees on the spot according to the situation at the site.

  Accordingly, it is not necessary to prepare a plurality of models of pump devices in which the positions of the suction connection ports 10 of the casing 6 are different as in the prior art, so that the inventory does not increase and the total cost increases. Can be suppressed.

  Moreover, it is not necessary for the customer to confirm the position of the suction connection port body 10 of the casing 6 in advance, and there is no trouble.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above.

The side view which shows the pump apparatus which is one embodiment of this invention. The front view which shows the pump apparatus of FIG. The side view which shows the casing of FIG. The front view which shows the casing of FIG. The front view which shows the state which reversed the casing of FIG. 1 180 degree | times. The figure which shows the state which attached the casing of FIG. 5 to the attachment frame by the side of a motor.

DESCRIPTION OF SYMBOLS 2 ... Motor, 5 ... Mounting frame, 6 ... Casing, 7 ... Impeller, 9 ... Discharge connection port body, 10 ... Suction connection port body, 12 ... 1st attachment surface part, 13 ... 2nd attachment surface part, 17 ... insertion holes, 18 ... bolts, 21 ... nuts.

Claims (4)

A motor capable of rotating forward and reverse,
A mounting frame provided on the motor side;
A casing provided with an impeller attached to the mounting frame and rotated by the motor;
A suction connection port body and a discharge connection port body that are displaced 90 degrees in the circumferential direction on the peripheral side surface portion of the casing and are symmetrically arranged in the same shape , and
A first mounting surface provided on one side of the casing;
A second mounting surface portion symmetrically provided in the same shape as the first mounting surface portion on the other surface side of the casing;
The casing is selectively detachably attached to the motor-side mounting frame from the first mounting surface side or the second mounting surface side, thereby positioning the suction connection port body. A pump device characterized by being variable by 180 degrees. An insertion hole provided in each of the first and second mounting surface portions of the casing;
An insertion hole provided in the mounting frame on the motor side and facing the insertion hole;
A bolt inserted into the insertion hole of the mounting frame through the insertion holes of the first and second mounting surface portions of the casing;
The pump device according to claim 1, further comprising: a nut screwed onto an insertion end side of the bolt to detachably fasten the casing to the mounting frame.   3. The pump according to claim 2, wherein a plurality of insertion holes of the first and second mounting surface portions and a plurality of insertion holes of the mounting frame are arranged at predetermined angles along the circumferential direction of the casing. apparatus.   When the casing is attached from the first attachment surface portion side, the motor is rotated in the forward direction, and when the casing is attached from the second attachment surface portion side, the motor is reversed. The pump device according to claim 1, wherein the pump device is rotationally driven in a direction.

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