KR100814542B1 - Cycle pump - Google Patents

Abstract

The present invention relates to a circulation pump. The circulation pump of the present invention includes: a housing having two suction ports through which fluid is introduced and two discharge ports for discharging the fluid, and having fixing means accommodated in a space formed between the suction ports and the discharge ports; An inner case installed along an outer circumferential surface of a rotating shaft installed to rotate by being inserted into a bearing formed at a center of the housing; And a moving means formed at a predetermined interval on the inner case to transfer the fluid introduced into the suction port to the discharge port, wherein a fluid movement path between the housing and the inner case moves along the two suction ports and the discharge ports. Each is formed, characterized in that the outer peripheral surface of the fixing means and the inner case is in close contact and rotated. According to the present invention, a single circulation pump can produce a plurality of circulation pump effects, and can efficiently discharge the fluid flowing into the pump.

Circulation pump, suction port, discharge port, inner case, bearing

Description

Circulation pump

The following drawings attached to this specification are illustrative of preferred embodiments of the present invention, and together with the detailed description of the invention to serve to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings It should not be construed as limited to

1 is a front sectional view schematically showing a circulation pump according to a preferred embodiment of the present invention.

Figure 2 is a side cross-sectional view schematically showing a circulation pump according to a preferred embodiment of the present invention.

Figure 3 is a front sectional view showing a state in which the circulation pump is operated in accordance with a preferred embodiment of the present invention.

Figure 4 is a front sectional view schematically showing a circulation pump according to another preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10, 30: circulation pump 11, 31: housing

12a, 13a: suction port 12b, 13b: discharge port

14a, 14b: fluid movement passage 15: fixing means

21, 41: inner case 25: means of transportation

The present invention relates to a circulating pump, and more particularly, to a circulating pump capable of functioning as a plurality of circulating pumps with a single pump, and improving a fluid supply performance of discharging fluid when circulating the introduced fluid.

In general, the pump for circulating the fluid is to circulate the fluid by the impeller of the rotor by transmitting the rotational force generated in the drive to the rotor (rotor).

The pump is composed of an impeller connected to the rotating shaft, a housing that supports it and keeps intake and jetting water constant, a packing or seal that prevents the outflow of fluid, and a bearing that maintains rotation. Such pumps are used for installation in devices requiring fluid circulation.

However, a pump having such a structure has been used for only one pumping operation. That is, a plurality of pumping operations require pumps as many as their purpose, thereby increasing the operating cost. Also, when the fluid flowing into the pump is discharged to the discharge port by the impeller, a vortex phenomenon occurs due to the rotation of the impeller. Accordingly, the amount of the discharged fluid is typically less than the amount of the fluid flowing through the pump, thereby lowering the supply performance of the fluid.

The present invention has been made to solve the above problems, it is possible to perform a plurality of fluid circulation pumping operation using a single pump, to provide a circulation pump that can improve the fluid supply performance for discharging the fluid There is a purpose.

In order to achieve the above object, the circulation pump according to the present invention includes two inlets for introducing fluid and two outlets for discharging the fluid, and includes a fixing means accommodated in a space formed between the inlets and the outlet. A housing; An inner case installed along an outer circumferential surface of a rotating shaft installed to rotate by being inserted into a bearing formed at a center of the housing; And a moving means formed at a predetermined interval on the inner case to transfer the fluid introduced into the suction port to the discharge port, wherein a fluid movement path between the housing and the inner case moves along the two suction ports and the discharge ports. Each is formed, characterized in that the outer peripheral surface of the fixing means and the inner case is in close contact and rotated.

According to the present invention, it is preferable that at least three or more suction ports and discharge ports are formed in the housing, and fluid movement passages through which the fluid moves are formed along the suction ports and the discharge ports, respectively.

The fixing means, the fixing valve; And a first elastic body for elastically biasing the fixed valve toward the inner case. Preferably, the air discharge port is formed to discharge air to the discharge port on one side of the space accommodating the fixing means.

Further, it is more preferable that a sealing material is installed on the outer circumferential surface of the bearing so that fluid does not flow out to the rotating shaft.

The moving means includes a moving valve; And a second elastic body elastically biasing the moving valve in the direction of the inner circumferential surface of the housing. Preferably, the air outlet is formed to discharge the air in the passage through which the moving valve is moved to the outside.

In addition, it is more preferable that a sealing material is installed on the outer circumferential surface of the bearing so that fluid does not flow out to the rotating shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a front sectional view schematically showing a circulation pump according to a preferred embodiment of the present invention, Figure 2 is a side cross-sectional view schematically showing a circulation pump according to a preferred embodiment of the present invention, Figure 3 is a preferred embodiment of the present invention This is a sectional front view showing a state where the circulation pump according to the example is operated.

1 to 3, the circulation pump 10 according to the present invention includes a housing 11 formed with suction ports 12a, 13a and discharge ports 12b, 13b, and a suction port of the housing 11. Fixing means 15 formed between the 12a, 13a and the discharge ports 12b, 13b, the inner case 21 and the inner case 21 formed and rotated inside the housing 11 And a moving means 25 for transferring the fluid. In addition, between the housing 11 and the inner case 21, fluid movement passages 14a and 14b through which fluid is transferred are formed.

The housing 11 has two inlets 12a and 13a through which fluid is introduced and two outlets 12b and 13b through which the fluid is discharged. At this time, fluid movement passages 14a and 14b through which fluid is moved are formed between each of the inlets 12a and 13a and the outlets 12b and 13b.

More specifically, a fluid moving passage 14a connecting the pair of suction ports 12a and the discharge ports 12b formed in the housing 11 is formed, and the fluid connecting another suction port 13a and the discharge ports 13b. The moving passages 14b are formed, respectively, and the suction inlets 12a, 13a and the discharge ports 12b, 13b connected along the fluid movement passages 14a, 14b are formed at positions facing each other. That is, the suction ports 12a, 13a, and the discharge ports 12b, 13b are formed by dividing left and right from the center of the housing 11, respectively. For example, when the inlet 12a is formed at one side of the housing 11, the outlet 12b is formed at the other side, and another outlet 13b is formed at a position close to the inlet 12a. This is because the fluid flowing into the suction port 12a is moved in one direction and discharged to the discharge port 12b, and the fluid flowing into another suction port 13a is moved in one direction and discharged to the discharge port 13b. to be. Accordingly, the number of the suction ports 12a and 13a and the number of the discharge ports 12b and 13b should be the same.

As a result, it should be understood that the housing 11 is composed of two sections in which fluid flows into and out of the pair of inlets 12a and 13a and the outlets 12b and 13b, respectively.

In addition, the housing 11 is divided into two spaces by bringing the fixing member 15 and the outer circumferential surface of the inner case 15 into close contact by the inner case 21 to be described later.

On the other hand, the fixing means 15 is provided between the suction port 12a formed in the housing 11 and the discharge port 13b proximate the suction port 12a. The fixing means 15 is accommodated in a predetermined space formed between the suction port 12a and the discharge port 13b and another suction port 13a and the discharge port 12b.

The fixing means 15 includes a fixing valve 16 and a first elastic body 17 for elastically biasing the fixing valve 16. Preferably, the first elastic body 17 for elastically biasing the fixed valve 16 is a spring. More specifically, the spring 17 is installed on the upper end of the fixed valve 16 to elastically bias the fixed valve 16 to the inner direction of the housing 11, that is, the inner case 21 to be described later.

At this time, the thickness of the housing 11 with the fixing means 15 is formed to be thicker than the thickness of the housing 11 without the fixing means 15. This is for the outer peripheral surface of the fixing means 15 and the inner case 21 mounted inside the housing to be in close contact.

Grooves may be formed at the upper end of the fixed valve 16. This is to allow the first elastic body 17 to be inserted into and supported in the groove, and the fixing valve 16 elastically biased by the first elastic body 17 tries to move in the direction of the inner case 25 by elastic force. Has the nature. However, because it is in close contact with the outer circumferential surface of the inner case 25 as described above, it is fixed without being moved.

In addition, the air outlets 18 communicating with the discharge ports 12b and 13b are formed so that air is discharged into the space accommodating the first elastic body 17 and the fixed valve 16. The air outlet 18 is for preventing pressure from occurring in the space in which the first elastic body 17 and the fixed valve 16 are accommodated.

On the other hand, it is apparent that the circulation pump 10 of the present invention may be provided even without the fixing means 15.

The inner case 21 is located inside the housing 11 and is installed on the rotating shaft 1 formed at the center of the housing 11. More specifically, the inner case 25 is installed between the bearings 2 formed on the rotating shaft 1, and rotates together with the rotating shaft 1. On the other hand, as described above, the inner case 21 is rotated in close contact with the fixing means 15 of the housing 11, that is, the lower end of the fixing valve 16. In addition, a moving means 25 is provided in the inner case 21.

The moving means 25 includes a moving valve 26 and a second elastic body 27 for elastically biasing the moving valve 26, and an inner case as the rotating shaft 1 is rotated by a driving unit (not shown). It rotates in conjunction with 21.

The plurality of moving valves 26 may be installed in the inner case 21 at regular intervals, and grooves may be formed at the lower ends of the moving valves 26 coupled to the second elastic bodies 27. Preferably, a plurality of second elastic bodies 27 are installed in the groove to elastically bias the moving valve 26. In this case, the second elastic body 27 is installed in the groove formed in the moving valve 26. However, any shape may be employed as long as the moving valve 26 is elastically biased. Preferably, the second elastic body 27 is a spring and pushes the moving valve 26 toward the inner surface of the housing 11. More preferably, an air outlet 28 for discharging air is formed in a space in which the moving valve 26 and the second elastic body 27 are formed.

The upper end of the moving valve 26 is elastically biased to the inner circumferential surface of the housing 11 by the second elastic body 27 to be in contact with the inner circumferential surface of the housing 11. The fluid introduced into the suction ports 12a and 13a is discharged by being moved in the direction of the discharge ports 12b and 13b by the moving valve 26 of the moving means 25. That is, the moving valve 26 rotates adjacent to the inner circumferential surface of the housing 11 to move the introduced fluid to the discharge ports 12b and 13b without leaving it, thereby efficiently discharging the fluid. Meanwhile, in the present specification, the number of the moving means 25 is represented by four, but the present invention is not limited thereto, and the moving means 25 may be any number as long as it can move the fluid, and may be selectively employed by the user. Do.

On the other hand, the elastic force of the first elastic body 17 and the second elastic body 27 should be the same (see enlarged view of Figure 1). This is the first elastic body 17 when the moving means 25 provided in the inner case 21 is switched to a position in which the fixing means 15 and the moving means 25 face each other when rotating together with the inner case 21. Alternatively, when the elastic force of any one of the elastic bodies 17 of the second elastic body 27 is high, the elastic force is moved in a direction that is less likely to rotate. As a result, the fluid must be free of jams in order for the inflow and discharge to continue along the fluid movement paths 14a and 14b of the pump.

In addition, the packing material 3 is formed along the outer circumferential surface of the rotating shaft 1. The packing material 3 is for preventing the fluid introduced into the pump from flowing out.

Figure 4 is a front sectional view schematically showing a circulation pump according to another preferred embodiment of the present invention.

Referring to the drawings, the circulation pump 30 according to another embodiment of the present invention is a housing in which three fluid inlets 32a, 32b, 33c and outlets 33a, 33b, 33c are formed. (31), fixing means (15) formed between the inlets (32a), (32b), (32c) and the outlets (33a), (33b), (33c) of the housing (31), and the housing (31). It is provided in the inner case 41 and the inner case 41 is formed and rotated therein is provided with a moving means 25 for transferring the fluid. In addition, fluid movement paths 34a, 34b, and 34c through which fluid is transferred are formed between the housing 31 and the inner case 41. Except that the suction ports 32a, 32b, 32c, discharge ports 33a, 33b, 33c, and fluid movement paths 34a, 34b, 34c are further provided. Obviously, the structure, function, and the like of the circulation pump described with reference to FIGS. 1 to 3 may be equally applied.

On the other hand, in the drawings represented in another embodiment of the present invention, the number of the inlet and outlet is represented by three, but is not limited to this, as long as the fluid can be circulated regardless of the number.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, the circulation pump according to the present invention has the following effects.

First, a plurality of circulation pump effects can be obtained with one circulation pump.

Second, it is possible to efficiently discharge the fluid introduced into the pump to improve the fluid supply performance.

Claims (8)

A housing having two suction ports through which the fluid is introduced and two discharge ports for discharging the fluid, and having fixing means accommodated in a space formed between the suction port and the discharge port adjacent to the suction port; An inner case installed along an outer circumferential surface of a rotating shaft installed to rotate by being inserted into a bearing formed at a center of the housing; And And moving means formed at a predetermined interval on the inner case to transfer the fluid introduced into the suction port to the discharge port. And a fluid movement path for moving fluid between the housing and the inner case along two inlets and outlets, respectively, and the outer circumferential surfaces of the fixing means and the inner case are rotated in close contact with each other. A housing having at least three suction ports through which fluid is introduced and a discharge port for discharging the fluid, and having fixing means accommodated in a space formed between the suction port and the discharge port proximate the suction port; An inner case installed along an outer circumferential surface of a rotating shaft installed to rotate by being inserted into a bearing formed at a center of the housing; And And moving means formed at a predetermined interval on the inner case to transfer the fluid introduced into the suction port to the discharge port. And a fluid movement path for moving fluid between the housing and the inner case along three inlets and outlets, respectively, and the outer circumferential surfaces of the fixing means and the inner case are rotated in close contact with each other. The method according to claim 1 or 2, The fixing means, Fixed valve; And And a first elastic body for elastically biasing the fixed valve toward the inner case. The method of claim 3, A circulation pump, characterized in that the air discharge port is formed to discharge the air to the discharge port on one side of the space for receiving the fixing means. The method of claim 4, wherein Circulating pump, characterized in that the sealing material is installed on the outer peripheral surface of the bearing so that fluid does not flow to the rotating shaft. The method according to claim 1 or 2, The means for moving, Moving valve; And And a second elastic body for elastically biasing the moving valve toward the inner circumferential surface of the housing. The method of claim 6, Circulating pump, characterized in that the air outlet is formed so that the air is discharged to the outside through the inner case in the passage in which the moving valve is moved. The method of claim 7, wherein Circulating pump, characterized in that the sealing material is installed on the outer peripheral surface of the bearing so that fluid does not flow to the rotating shaft.

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