KR20190056029A - Integral multi valve device with a water pump for vehicle - Google Patents

Abstract

The present invention relates to a multi valve device integrated with an electrically driven water pump for a vehicle having valve sealing and cooling efficiency. The multi valve device integrated with the electrically driven water pump for the vehicle comprises a valve housing, a valve, a pump and a support member. The valve housing is provided with at least one inlet port forming an inlet for inputting cooling water and at least one discharge port forming an outlet for discharging the cooling water. The valve is provided within the valve housing, having one side coupled to the valve housing to be able to rotate for selectively opening and closing at least one between the inlet port and outlet port and having the other side through which a portion of a rotary shaft arranged therein is exposed. The pump has at least one portion integrally coupled to or integrally formed at the valve housing and inducts or discharges cooling water. The support member supports a portion of the rotary shaft exposed out of the valve to be able to rotate.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a water pump integrated multi-

[0001] The present invention relates to a multi-valve device for a vehicle-mounted water pump, in which a multi-valve housing and a pump are integrally combined to control the flow of cooling water of an engine. More specifically, Which is integrally coupled to the valve housing, prevents the valve rotating in the valve housing from being twisted, and prevents the loss of the flow rate of the cooling water caused by the reverse flow of the cooling water in the pump housing toward the valve housing, thereby improving the sealing, cooling efficiency and pump efficiency. To an integral multi-valve device.

A vehicle driven by an internal combustion engine has various kinds of valve devices therein. A valve device built into a vehicle is generally provided for the flow, distribution, control or interrupting of various kinds of fluid according to applications such as engine cooling, room temperature cooling / heating, exhaust gas recirculation (EGR system), and the like.

Among the valve devices for a vehicle, a valve device capable of controlling the flow path of the fluid in two or more directions is mainly applied to an engine fluid circulating circuit of an internal combustion engine. Such a valve device is also called a multi-directional switching valve device or a multi-valve device.

This multi-valve device is installed in the cooling water flow path to supply the cooling water cooled by the radiator to the engine, and adjusts the cooling water temperature appropriately by opening / closing the passage according to the temperature change of the cooling water.

Specifically, the multi-valve device includes a valve housing having a port communicating with the cooling water flow path, a valve rotatably installed in the valve housing to open and close the port, and an actuator connected to the upper portion of the valve to rotate the valve. At this time, the multi-valve device may separately include a water pump for sucking and discharging cooling water to facilitate the circulation of the cooling water.

Since the multi-valve device and the water pump are installed separately from each other, the multi-valve device and the pump must be disposed in the cooling water flow path, thereby increasing the installation area and weight.

Further, there is a problem that the hose for connecting the multi-valve device and the water pump is installed more than necessary, which increases manufacturing cost.

The present invention relates to a multi-valve device for a vehicle water pump, which is developed on the basis of the "Practical application of hydrogen fuel cell vehicle parts and industry-based upbringing business" (Project No. R0006466) of the Ministry of Industry, Trade and Industry and Korea Industrial Technology Development Agency.

Korean Registered Patent No. 10-1577213 (Registered on December 13, 2015)

The present invention relates to a multi-valve device for a vehicle-mounted water pump, in which a valve housing and a pump housing are integrally coupled with a rotary shaft of a valve protruding toward a pump, Valve multi-valve device for a vehicle, which is improved in sealing and cooling efficiency by preventing a gap between a valve and a plurality of ports from being generated by providing a support member and a support support member in the periphery.

In addition, the present invention prevents the loss of the flow rate of the cooling water due to the reason that the support member is disposed in the hollow space formed between the valve housing and the pump housing to suck the cooling water into the impeller inlet due to the pressure difference during rotation of the pump impeller And to provide an integrated multi-valve device for a vehicle water pump having improved pump efficiency.

According to an aspect of the present invention, there is provided a multi-valve apparatus for a vehicle-mounted water pump including a valve housing, a valve, a pump, and a support member. The valve housing includes at least one inlet port formed with an inlet port through which cooling water flows, and a discharge port formed with an outlet port through which cooling water is discharged. The valve is provided inside the valve housing, and one side is rotatably coupled to the valve housing to selectively open and close at least one of the inlet port and the outlet port, and a part of the rotary shaft disposed therein is exposed to the other side. At least a part of the pump is integrally formed or integrally formed with the valve housing, and sucks and discharges the cooling water. The support member rotatably supports a part of the rotary shaft exposed to the other side of the valve.

According to one embodiment, the support member includes a support member body having a hollow therein, and a rotation support secured to the hollow of the support member body through the plurality of ribs and having an insertion portion into which a portion of the rotation axis of the valve is inserted do.

According to one embodiment, the insertion portion of the rotation support portion is formed in a hole shape formed so as to penetrate the rotation shaft, or a groove shape formed to surround the rotation shaft and the other side.

According to one embodiment, the ribs of the support member are radially disposed between the body portion and the rotary support, and at least one reinforcement member is provided between the ribs.

According to one embodiment, at least a part is inserted into the inside of the valve, and further includes a support supporting member for supporting an inner circumferential surface of the valve at one side and for covering at least a part of an outer circumferential surface of the rotating shaft.

According to one embodiment, the support support member has a hollow inside and includes a support body portion inserted into the valve, a support insert portion fixed to the hollow of the support body portion through the plurality of support ribs, And a support rotation support portion formed with the support rotation support portion.

According to one embodiment, the inner circumferential surface of the pump housing is provided with a motion prevention portion which is depressed along the periphery. An outer step portion is formed on the outer circumferential surface of the support member so that one side thereof is in contact with the movement preventive portion. And an inner step portion which is slidably supported by the support support member is formed.

According to one embodiment, the valve includes a valve body portion in which a flow path for cooling water flows therein, a valve body portion that receives driving force from an actuator provided at one side of the valve housing and protrudes from one side of the valve body portion, A fixed drive shaft, and a valve projection protruding from the other side of the valve body portion.

According to one embodiment, the impeller includes a cooling water intake portion in which a cooling water intake port is formed, and an impeller cover that covers the blade housed therein, and a gap of a predetermined distance is formed between the bottom surface of the support member and the impeller cover.

A multi-valve apparatus for a vehicle-mounted water pump according to the present invention includes a valve housing, a pump housing, a valve body portion, a rotary shaft, an impeller, and a support member. The valve housing includes at least one inlet port formed with an inlet port through which cooling water flows, and a discharge port formed with an outlet port through which cooling water is discharged. The pump housing is integrally formed or integrally formed with the valve housing so that the cooling water can communicate with each other. The valve body is provided inside the valve housing and is rotatably installed in the valve housing to selectively open and close at least one of the inlet port and the outlet port. The rotary shaft receives a driving force from one side of the rotary shaft and at least a part of the rotary shaft projects outside the valve body. The impeller is rotatably mounted within the pump housing. The supporting member is installed at a predetermined distance from the impeller, and a part of the rotating shaft is slidably supported.

According to the present invention, the number of application of the pump for cooling water circulation of the vehicle can be reduced, and the size and weight of the cooling water circulation device of the vehicle can be reduced through integration of the pump and the multi-valve housing.

Further, since the pump is integrally formed in the valve housing, the number of hoses and connecting parts for connecting the valve and the pump is reduced, so that the assemblability and cost competitiveness can be improved, the manufacturing can be facilitated, and the failure can be reduced.

Further, since the pump is integrally formed in the valve housing, the installation area and weight are reduced, thereby improving the travel distance of the vehicle and securing a layout space.

In addition, it is possible to prevent leakage that may occur in the multi-valve device, thereby improving the reliability of the product.

Further, even when the valve housing and the pump housing are coupled with the rotary shaft of the valve protruded toward the pump, the upper portion of the rotary drive valve is supported by the actuator and the lower portion is supported by the support member and the support support member, It is possible to prevent the rotating shaft from being twisted or shaken by the pressure of the rotating shaft. Accordingly, since the rotation axis of the valve can be rotated within the stable range, it is possible to prevent the clearance between the valve and the sealing member from being generated, thereby continuously maintaining the sealing and cooling efficiency of the valve.

Further, the surplus space generated on the side of the impeller suction port is filled with the supporting member, so that the flow rate of the inside of the pump housing is sucked by the impeller suction port of the pump, thereby preventing the loss of the cooling water flow rate.

In addition, the optimal numerical range for the gap between the bottom surface of the support member and the upper part of the impeller is derived and solved, thereby solving the problem of cavitation and vortex during rotation of the impeller, thereby improving the efficiency of the pump.

In addition, the output loss of the pump can be reduced by reducing the flow rate of cooling water lost inside the pump housing.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a multi-valve device with integral water pump for a vehicle according to an embodiment of the present invention; Fig.
FIG. 2 is an exploded perspective view of the multi-valve device with a water pump integrated in a vehicle shown in FIG. 1; FIG.
3 is a cross-sectional view of the multi-valve device for a water pump with a pump shown in Fig.
Fig. 4 is a perspective view showing the valve shown in Fig. 3; Fig.
FIG. 5 is a cross-sectional perspective view of FIG. 4; FIG.
FIG. 6 is a perspective view illustrating the support member shown in FIG. 3; FIG.
7 is a cross-sectional perspective view of Fig.
8 is a perspective view showing a support member according to another embodiment of the present invention.
9 is a cross-sectional perspective view of Fig.
10 is a perspective view showing a support member according to another embodiment of the present invention.
11 is a cross-sectional perspective view of Fig.
FIG. 12 is a perspective view illustrating the sub support member shown in FIG. 3; FIG.
13 is a cross-sectional perspective view of Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, referring to the accompanying drawings, a multi-valve device for a vehicle-mounted water pump according to a preferred embodiment will be described in detail. Here, the same reference numerals are used for the same components, and repeated descriptions and known functions and configurations that may obscure the gist of the present invention will not be described in detail. Embodiments of the invention are provided to more fully describe the present invention to those skilled in the art. Accordingly, the shapes and sizes of the elements in the drawings and the like can be exaggerated for clarity.

FIG. 1 is a perspective view of a multi-valve device for a vehicle-mounted water pump according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the multi-valve device for a vehicle water pump shown in FIG. 1, Sectional view of a water pump integral multi-valve device for a vehicle. 4 is a perspective view of the valve shown in Fig. 4, Fig. 6 is a perspective view illustrating the support member shown in Fig. 3, and Fig. 7 is a cross- 6 is a cross-sectional perspective view.

1 to 7, a vehicular water pump integral multi-valve apparatus 100 includes a valve housing 110, a valve 120, a pump 130, and a support member 140.

The valve housing 110 has at least one inlet port 111 formed with an inlet through which cooling water flows and an outlet port formed with an outlet through which the cooling water is discharged.

Since the valve housing 110 of the present embodiment serves as a discharge port, the valve housing 110 of the present embodiment is provided on the outer peripheral surface of the valve housing 110 as in the case of the inlet port 111, A protruding discharge port may not be formed.

The valve housing 110 may be formed of a corrosion-resistant metal material such as stainless steel, brass or the like or an engineering plastic. Although the valve housing 110 in this embodiment is formed with a space for accommodating the valve 120 therein and has a generally cylindrical shape, its shape is not limited.

The inlet port 111 of the valve housing 110 may be a flow passage through which the cooling water heat-exchanged via the engine ENG is input.

The inlet port 111 may be provided with a sealing member 112 to prevent leakage of cooling water. The sealing member 112 may be made of a material such as Teflon, which is excellent in wear resistance, but the material is not limited thereto.

3, the inlet port 111 of the valve housing 110 is formed in a horizontal direction, and the cooling water introduced into the valve 120 in the valve housing 110 through the inlet port 111 flows into the valve protrusion 123 The valve housing 110 and the pump housing 131 communicate with each other in such a manner that the valve housing 110 and the pump housing 131 are discharged into the pump housing 131 described later.

In other words, the valve housing 110 communicates with the interior of the pump 130 through the valve projection 123, and the cooling water inside the valve housing 110 flows into the interior of the pump 130 through the valve projection 123 . In this embodiment, four inlet ports 111 of the valve housing 110 are provided, and the valve protrusion 123 may serve as a discharge port, but the present invention is not limited thereto. That is, the formation and arrangement of the inlet port 111, the formation of the outlet port other than the valve projection 123, the flow direction of the cooling water, and the like can be variously changed as needed.

The valve 120 is provided inside the valve housing 110 and is rotatably coupled to the valve housing 110 at one side to selectively open and close at least one of the inlet port 111 and the outlet port. At this time, an actuator 160 for providing a driving force to the valve 120 is installed on one side of the valve housing 110, so that the valve 120 can be rotated by receiving driving force from the actuator 160.

For example, when the valve 120 is rotated by a predetermined angle by the actuator 160, the inlet port 111 is opened to allow the cooling water to flow into the valve 120 through the inlet port 111, The cooling water can be discharged to the outside of the valve housing 110 through the valve projection 123. Here, the actuator 160 may be installed on one side of the valve housing 110, for example, on the upper portion of the valve housing 110, and the rotational axis of the actuator 160 may be aligned with the rotational axis 120a of the valve 120 Lt; / RTI >

On the other hand, when the valve 120 rotates at a different angle, at least one inlet port 111 is shielded to prevent the cooling water flowing into the valve 120 from the inlet port 111 from being discharged to the valve protrusion 123 have. 3, when four inlet ports 111 are provided, only one inlet port 111 disposed at the top and the bottom is opened according to the rotation of the valve 120, or four inlet ports 111, The flow of the cooling water supplied to the valve projection 123 can be interrupted by opening or closing both of the valve bodies 111. [

A part of the rotating shaft 120a provided inside the valve 120 may be exposed to the other side. Here, the other side means the lower direction on the drawing. That is, the rotating shaft 120a provided inside the valve 120 may be partially exposed in the downward direction.

The valve 120 includes a valve body portion 121, a drive shaft 122, and a valve projection portion 123. The valve body 121, the drive shaft 122, and the valve protrusion 123 may be a single body. Specifically, the valve 120 is manufactured by injection-molding a synthetic resin so that the valve body 121, the driving shaft 122, and the valve protrusion 123 can be formed as one body.

The valve body 121 may be formed in the form of a crosshole formed by vertically stacking an upper valve body 121a and a lower valve body 121b having a spherical shape, have. Here, when the upper valve body 121a and the lower valve body 121b are spaced from each other due to the spatial restriction of the valve housing 110, there is a gap between the upper valve body 121a and the lower valve body 121b, 121c. The shape of the valve body 121 is not limited, and may be formed in various shapes such as a cylindrical shape.

The flow path formed inside the valve body part 121 is an empty space formed inside the valve body part 121 and may provide a space through which the cooling water can flow or provide a space where the cooling water can be temporarily accommodated You may.

A valve inlet 124 may be formed in the side surface of the valve body 121 to selectively communicate with the inlet port 111. The valve inlet 124 may be formed by cutting one surface of the valve body 121 into a predetermined shape and correspond to an inlet port of the inlet port 111.

The drive shaft 122 is protruded from one side of the valve body 121 and can receive driving force from the actuator 160. That is, the valve body 121 is connected to the actuator 160 through the drive shaft 122, and receives power from the actuator 160 to rotate. Here, the driving shaft 122 may include a gear-shaped connecting member 122a having teeth on the outer circumferential surface thereof for coupling with the actuator 160. [

The rotating shaft 120a may be fixed to the inside of the driving shaft 122. For this purpose, an insert slot 122b may be formed in the drive shaft 122 to receive and fix an upper portion of the rotational shaft 120a.

The valve protrusion 123 may be formed in a hollow cylindrical shape having an inner space and protruded toward the other side of the valve body 121. At this time, the rotary shaft 120a may extend to the valve protrusion 123 through the drive shaft 122 and the valve body 121, and may be exposed to the outside of the valve protrusion 123.

At least a portion of the pump 130 is integrally formed or integrally formed with the valve housing 110, and sucks and discharges the cooling water. The pump 130 is connected to the other side of the valve housing 110 and includes a pump housing 131 integrally coupled to the valve housing 110 and an impeller 132 rotatably installed in the pump housing 131. [ . ≪ / RTI >

Specifically, the pump housing 131 includes an upper case 1311 which forms an upper part of the pump housing 131 and which is integrally formed with the valve housing 110, and a lower case (not shown) coupled to the lower part of the upper case 1311 1312).

The upper case 1311 of the pump housing 131 may be integrally formed with the valve housing 110 by a method such as injection molding. The upper case 1311 may be provided with a cooling water communication portion 1311a and a discharge port 1311b of the pump 130. [ The discharge port 1311b of the pump housing 131 may be a flow path for sending the cooling water discharged into the pump housing 131 to the radiator RAD through the valve projection 123. [

Since the pump housing 131 of the present embodiment is integrally formed with the valve housing 110, the pump housing 131 is provided with a suction port protruding from the outer circumferential surface of the pump housing, The suction port may not be formed.

Instead, a cooling water communication portion 1311a through which the cooling water can communicate can be formed at a portion formed integrally with the valve housing 110. [ The cooling water communication part 1311a is formed between the valve housing 110 and the pump housing 131 and the cooling water can flow through the space formed inside the cooling water communication part 1311a. The cooling water communication portion 1311a may be formed on the inner side of the integral molded body of the valve housing 110 and the pump housing 131 and more specifically on the upper case 1311 of the pump housing 131. [

In the present embodiment, the cooling water does not flow directly on the inner peripheral surface of the cooling water communicating portion 1311a but flows through the valve protruding portion 123 disposed inside the cooling water communicating portion 1311a and the support member 140 May flow from the valve housing 110 side to the pump housing 131 side.

The protrusion cooling water communication hole 125 of the valve projection 123 is disposed in the cooling water communication portion 1311a so that the cooling water of the valve housing 110 can be introduced into the pump housing 131. [ However, the flow of the cooling water and the formation of the discharge port and the suction port in the pump housing 131 are not limited thereto, and can be variously changed as needed.

The upper case 1311 and the valve housing 110 of the pump housing 131 may be integrally formed through the integral injection as described above, or may be joined together by a fusion method. To this end, a fused material may be provided on the surface where the pump 130 is in contact with the valve housing 110, or a fused protrusion may be formed on one surface of the pump 130 or the valve housing 110. The pump 130 and the valve housing 110 are integrally coupled to each other by melting and pressing the melt or the fused protrusion in the state where the molten metal or the fused protrusion is interposed between the pump 130 and the valve housing 110, . For example, the pump housing 131 and the valve housing 110 may be integrally joined by a method such as electric fusion, ultrasonic fusion, and heat fusion.

The pump 130 is coupled to the other side of the valve housing 110 to receive cooling water that has passed through the flow path of the valve body 121. The other side of the valve housing 110 means the lower portion of the valve housing 110 which is the opposite side of the portion where the drive shaft 122 and the actuator 160 are coupled. That is, the pump 130 may be coupled to the lower portion of the valve housing 110, which is the opposite side of the portion where the drive shaft 122 and the actuator 160 are coupled.

The lower case 1312 of the pump housing 131 may be coupled to the upper case 1311. The lower case 1312 may be fastened to the upper case 1311 by a fastening member or the like, or may be integrally joined by fusion or the like. The lower case 1312 may be formed in a cylindrical shape having an empty space formed therein and an open top, and the impeller 132 may be accommodated therein. The impeller 132 may be rotatably installed in the pump housing 131. Here, the impeller 132 may be installed in the pump housing 131 to increase the speed and pressure of the cooling water by the centrifugal force. When the impeller 132 rotates, a pressure difference is generated between the inside of the valve housing 110 and the inside of the pump housing 131 so that the cooling water in the valve housing 110 through the cooling water communication part 1311a flows into the pump housing 131, Lt; / RTI >

The impeller 132 may include a cooling water suction portion 132a for sucking the cooling water discharged from the projecting cooling water communication hole 125 and an impeller cover 132c for covering the upper portion of the blade .

The cooling water suction portion 132a of the impeller 132 may protrude from the center portion of the upper portion of the impeller 132 and the cooling water suction port 132b may be formed at the upper end of the cooling water suction portion 132a. The cooling water suction portion 132a may be disposed inside the cooling water communication portion 1311a.

The upper end of the cooling water suction portion 132a is arranged in a line with a predetermined distance from the lower end of the valve projection 123 and the cooling water suction port 132b of the cooling water suction portion 132a and the projecting cooling water communication The holes 125 may face each other. Therefore, the cooling water discharged from the projecting cooling water communication hole 125 can be sucked into the impeller 132 through the cooling water intake port 132b.

The impeller cover 132c can cover the rotating blades inside the impeller 132 and can form the upper portion of the impeller 132. [ The impeller cover 132c surrounds the periphery of the cooling water suction portion 132a and can be formed to be inclined downwardly in the radial direction from the cooling water suction portion 132a. However, the present invention is not limited to this, and the impeller cover 132c may be formed flat on the periphery of the cooling water suction portion 132a.

The support member 140 is disposed below the valve protrusion 123 and rotatably supports a part of the rotation shaft 120a exposed to the outside of the valve 120. [ The driving shaft 122 protruding to one side of the valve 120 is supported by the actuator 160 through the connecting member 122a and the driving shaft 122 is supported by the actuator 160. [ The rotation shaft 120a protruding from the support shaft 140 is slidably supported by the support member 140. [ That is, since both sides of the valve 120 are respectively supported by the actuator 160 and the support member 140, it is possible to prevent the valve 120 from being inclined due to the pressure of the cooling water, .

The support member 140 may extend to a position higher than the cooling water intake port 132b at a position lower than the cooling water intake port 132b and may be disposed between the cooling water intake port 132a and the inner peripheral surface of the cooling water communication port 1311a. This prevents the cooling water in the pump housing 131 from flowing into the space between the side surface of the cooling water suction portion 132a and the inner circumferential surface of the cooling water communication portion 1311a to prevent the flow rate of the cooling water from being lost.

Specifically, the support member 140 is disposed between the valve projection 123 or the support support member 150, which will be described later, between the inner circumferential surface of the cooling water communicating portion 1311a of the pump housing 131 and the cooling water sucking portion 132a of the impeller 132 Between the valve protrusion 123 of the valve 120 and the inner circumferential surface of the cooling water communicating portion 1311a and the gap between the inner circumferential surface of the cooling water communicating portion 1311a and the inner circumferential surface of the impeller 132 when the impeller 132 rotates, The cooling water that flows back into the space between the cooling water suction portion 132a and the inner peripheral surface of the cooling water communication portion 1311a is clogged by the bottom surface of the support member 140. [

More specifically, the impeller 132 of the pump 130 discharges the cooling water to the outside, and the pressure difference generated at the blade tip formed on the impeller 132 causes the cooling water intake port 132b of the impeller 132 to communicate with the inside of the pump housing 131 The support member 140 is disposed between the cooling water suction portion 132a and the inner circumferential surface of the cooling water communication portion 1311a to prevent such a phenomenon.

When the phenomenon in which the cooling water in the pump housing 131 is sucked into the cooling water intake port 132b of the impeller 132 occurs, not only the flow loss of the cooling water in the pump housing 131 is caused but also cavitation and vortex are generated The efficiency of the pump 130 may eventually be lowered and the support member 140 may be disposed between the cooling water suction portion 132a and the inner peripheral surface of the cooling water communication portion 1311a to prevent the occurrence of such a problem can do.

The lower portion of the support member 140 surrounds the periphery of the cooling water suction portion 132a while being separated from the cooling water cooling water suction portion 132a by a predetermined distance d1 and the bottom surface 146 of the support member 140 And can be extended while forming a gap 170 with a certain distance from the impeller cover 132c. The bottom surface 146 of the support member 140 faces the upper portion of the impeller cover 132c and can extend parallel to each other while maintaining a constant gap therebetween.

Referring to FIG. 3, since the impeller cover 132c is inclined, it is confirmed that the bottom surface 146 of the support member 140 is also formed as an inclined surface.

The reason why the bottom surface 146 of the support member 140 and the impeller cover 132c are extended in parallel with each other while maintaining a constant gap is that the gap between the impeller cover 132c and the support member 140 So that the cooling water in the pump housing 131 can be prevented from flowing out to the upper portion of the impeller cover 132c. Since the bottom surface 146 of the support member 140 is inclined downwardly toward the outer side, the cooling water whose flow is blocked by the bottom surface 146 of the support member 140 is radially extended along the bottom surface of the support member 140 . ≪ / RTI >

A gap 170 (also referred to as " shroud gap ") formed between the support member 140 and the impeller 132 can be formed to a predetermined size. Specifically, the size of the gap 170 formed between the lower end of the support member 140 and the impeller 132 is preferably 0.3 mm to 0.7 mm. This is because, when the clearance 170 is 0.3 mm to 0.7 mm, the cooling water is sucked into the cooling water intake port 132b and the loss of the flow rate of the cooling water generated is minimized.

The support member 140 includes a support member body 141, a rotation support 142, and a rib 143. Here, the support member body 141, the rotation support 142, and the rib 143 may be a single body.

The support member body portion 141 may be formed in a cylindrical shape having a hollow inside and may be inserted between the cooling water intake portion 132a and the inner peripheral surface of the cooling water communication portion 1311a. A part of the impeller 132 and a part of the support support member 150 which will be described later may be inserted into the upper part of the support member body part 141 at the lower part of the support member body part 141. [

The support member body 141 can be coupled to the inner peripheral surface of the cooling water communication portion 1311a of the pump 130. [ The support member body 141 can be fixed to the cooling water communication portion 1311a while rotatably supporting the rotary shaft 120a of the valve 120 as described above.

The support member body 141 can be coupled to the integral casing of the valve housing 110 and the upper case 1311 in an interference fit manner. More specifically, the support member body portion 141 may be inserted into the inner circumferential surface of the cooling water communication portion 1311a of the pump housing 131 so as to be coupled in an interference fit manner.

The rotation support portion 142 is fixed to the hollow of the support member body 141 through a plurality of ribs 143 and an insertion portion 142a into which a part of the rotation axis 120a of the valve 120 is inserted is formed therein . That is, the rotation support portion 142 can be fixed within the support member body portion 141 through the plurality of ribs 143. [ At least three ribs 143 are preferably provided radially between the body portion and the rotation support portion 142 to firmly fix the rotation support portion 142 to the support member body portion 141. The insertion portion 142a may be formed in a groove shape to surround the circumference and the other side of the rotation shaft 120a. The end of the rotation shaft 120a of the valve 120 can be slidably rotated in a state of being in contact with the insertion portion 142a of the rotation support portion 142. [

The rotation supporting portion 142 is fixed by the thin rib 143 between the outer peripheral surface of the hollow supporting portion 140 and the inner peripheral surface of the supporting member body 141, The cooling water must flow through the space of the cooling water to prevent the cooling water from interfering with the flow of the cooling water.

The outer step portion 144 and the inner step portion 145 protruding along the circumference may be formed on the outer circumferential surface and the inner circumferential surface of the support member 140, respectively. The outer step portion 144 serves as a stopper for limiting the moving distance when the support member 140 is inserted into the pump housing 131. [ That is, when the pump housing 131 is inserted into the support member 140, the outer step portion 144 is brought into contact with the movement preventing portion 1311d, which is recessed along the inner circumferential surface of the pump housing 131, It is caught by the movement preventing portion 1311c and can no longer move. As a result, the distance between the support member 140 and the impeller 131 can be kept constant, since the position where the support member 140 is coupled to the pump housing 131 is uniform.

The inner step portion 145 of the support member 140 may surround the periphery of the support support member 150 in a state where one side is spaced from the lower portion of the support support member 150 to be described later. Specifically, the inner side step portion 145 surrounds the periphery of the support support member 150 in a state where the inner side surface of the inner side step portion 145 is spaced apart from the periphery of the support support member 150 by a predetermined distance, It is possible to prevent the support support member 150 from moving over a certain range and to prevent the valve body portion 121 from being twisted with respect to the rotation shaft 120a.

A step may be formed so that the lower end of the support support member 150 protrudes to effectively prevent the inner step portion 145 of the support member 140 from being separated from the support support member 150 by a predetermined range or more.

Although the inner step portion 145 of the support member 140 is surrounded by the support support member 150 in the state of being spaced from the outer peripheral surface of the support support member 150 by a predetermined distance in the present embodiment, It is also possible that the inner step portion 145 of the support member 120 is slidably supported in a state of being in tight contact with the outer peripheral surface of the support support member 150. [

8 and 10 are perspective views illustrating a support member according to another embodiment of the present invention, and FIGS. 9 and 11 are perspective sectional views of FIGS. 8 and 10. FIG. In the present embodiment, differences from the above-described embodiment will be mainly described.

8 and 9, the support member body 141 of the support member 240 and the rotation support portion 142 may be connected to each other through four ribs 143, And may be formed in a hole shape. The rotary shaft 120a of the valve 120 penetrates the rotary support portion 142 and the side surface of the rotary shaft 120a is rotatably supported by the rotary support portion 142. [

Since the rotation support portion 142 is formed in the shape of a hole, the end of the rotation shaft 120a does not contact the rotation support portion 142, thereby preventing the end of the rotation shaft 120a from being worn.

10 and 11, the support member 340 may include a reinforcing member (not shown) coupled to the ribs 143 at both ends of the ribs 143 adjacent to each other between the ribs 143 to increase the supporting force of the ribs 143 146 may be installed. Accordingly, when the valve 120 tilts in one direction due to the pressure of the cooling water, the reinforcing member 146 supports between the rotation supporting portions 142, so that the supporting force of the rib 143 is increased.

The reinforcing members 146 may be provided between the ribs 143, or alternatively between the ribs 143 as shown in FIG. The number and shape of the reinforcing members 146 are not limited and may vary depending on the number and shape of the ribs 143.

FIG. 12 is a perspective view showing the support support member shown in FIG. 3, and FIG. 13 is a cross-sectional perspective view of FIG.

As shown in FIGS. 12 to 13, the water pump integral multi-valve apparatus 100 for a vehicle may further include a support support member 150 into which an upper portion is inserted into the valve body portion 121.

The support support member 150 is supported by the rotation support portion 142 of the support member 140 so that the valve body portion 121 is twisted or twisted in a state in which the rotation axis 120a is held in the vertical direction It can play a role. In other words, although it is preferable that the rotational axis 120a of the valve 120 and the valve body 121 are arranged in the vertical direction in parallel, only the valve body 121 is twisted or tilted with respect to the rotational axis 120a The support support member 150 can be disposed on the rotary shaft 120a and the valve body 121 so that the rotary shaft 120a and the valve body 121 can be maintained in parallel without being twisted.

The support support member 150 may include a support body portion 151 formed in one body, a support rotation support portion 152, and a support rib 153.

The upper outer circumferential surface of the support body part 151 is coupled to and supported by the inner surface of the valve body part 121 and the support rotation support part 152 can support the circumferential surface of the rotary shaft 120a while covering the outer circumferential surface thereof. The distance between the outer circumferential surface of the rotary shaft 120a and the inner surface of the valve body portion 121 is constantly maintained by the support rib 153 so that the rotational axis 120a of the valve 120 and the valve body portion 121 They can be placed side by side.

The inner end step portion 145 of the support member 120 is formed around the outer circumferential surface of the support body portion 151 in a state in which the inner end step portion 145 is spaced from the lower portion of the support support member 150 by a predetermined distance, It is possible to prevent the valve body portion 121 from being twisted or twisted with respect to the rotation shaft 120a.

The support body portion 151 may be formed in a cylindrical shape having a hollow inside and a support outer step portion 154 may be formed along the circumference of the outer side lower portion. Specifically, the support body part 151 may be disposed between the lower valve body 121b and the valve projection part 123 and the rotary shaft 120a. Accordingly, the space between the valve body part 121 and the rotation shaft 120a can be reinforced through the support body part 151, so that the valve body part 121 is supported by the rotation shaft 120a by the pressure of the cooling water Can be prevented more effectively.

For example, the support body portion 151 may be coupled in the valve body portion 121 in a forced fit manner. More specifically, an upper part of the support body part 151 may be inserted into the inner circumferential surface of the valve projection part 123 to be coupled in an interference fit manner. However, the manner in which the support body 151 and the valve body 121 are coupled is not limited to this, and various methods may be used.

Thus, when the support body portion 151 is inserted into the valve projection portion 123, the upper end of the support outer step portion 154 comes into contact with the lower end of the valve projection portion 123 and the support body portion 151 moves further And is fixed in the valve body portion 121. [

The support rotation support part 152 is fixed to the hollow of the support body part 151 through a plurality of support ribs 153 and has a support insertion hole 152a through which a part of the rotation axis 120a of the valve 120 passes, . The support rib 153 is radially disposed between the support rotation support portion 152 and the support body portion 151 to fix the support rotation support portion 152 and the support body portion 151 to each other.

The support rotation support portion 152 is fixed by the thin support rib 153 to the hollow portion formed inside the support support member 150, that is, the outer peripheral surface of the support rotation support portion 152, The cooling water must flow through the space between the inner circumferential surfaces of the cooling water pipes.

The support support member 150 is configured such that a part of the support body portion 151 is inserted into the valve body portion 123 and the bottom surface is brought into close contact with the support member 140 to seal between the valve 120 and the support member 140 have. The cooling water discharged through the protruded cooling water communication hole 125 of the valve projection 123 passes through the hollow of the support support member 150 and the hollow of the support member 140 and flows through the cooling water intake port 132b to the impeller 132 ). ≪ / RTI >

The rotary shaft 120a of the valve 120 is inserted into the rotary support portion 142 of the support member 140 so that the rotary shaft 120a is primarily rotatably supported and the valve body portion 121 The support supporting member 150 is disposed between the rotating shafts 120a to secondarily support only the valve body 121 in the state where the rotating shaft 120a is in the vertical direction and the outer peripheral surface of the support supporting member 150 is supported The valve body portion 121 is prevented from being separated from the valve body portion 121 by the inner step portion 145 of the member 140 so that the valve body portion 121 can be thirdarily supported.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation and that those skilled in the art will recognize that various modifications and equivalent arrangements may be made therein. It will be possible. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

110 .. valve housing 120 .. valve
120a .. Rotation shaft 121 .. Valve body part
122 .. Drive shaft 123 .. Valve protrusion
130 .. Pump 131 .. Pump housing
132 .. impeller 140 .. support member
141 .. support member body part 142 .. rotation support part
143 .. rib 150 .. support support member
151 .. Support body part 152 .. Support rotation support
153 .. support rib 160 .. actuator
170 clearance

Claims (10)

A valve housing having at least one inlet port formed with an inlet through which cooling water flows, and a discharge port formed with an outlet through which cooling water is discharged;
A valve disposed inside the valve housing and having one side rotatably coupled to the valve housing to selectively open and close at least one of the inlet port and the discharge port and a part of the rotary shaft disposed therein is exposed to the other side;
At least a portion of which is integrally formed or integrally formed with the valve housing, and which sucks and discharges the cooling water; And
A support member rotatably supporting a part of a rotary shaft exposed to the other side of the valve;
And a plurality of water pump-integrated multi-valve devices.
The method according to claim 1,
Wherein the support member comprises:
A support member body portion having a hollow formed therein; And
A rotatable supporter fixed to the hollow of the support member body through a plurality of ribs and having an insertion portion into which a part of the rotation axis of the valve is inserted;
And a plurality of water pump-integrated multi-valve devices.
3. The method of claim 2,
Wherein the inserting portion is formed in a hole shape through which the rotation shaft passes or a groove shape surrounding the rotation shaft and the other side.
3. The method of claim 2,
The rib is radially disposed between the body and the rotary support,
And at least one reinforcing member is provided between the ribs.
The method according to claim 1,
At least a part of which is inserted into the inside of the valve and further includes a support support member for supporting an inner circumferential surface of the valve at one side and at least a part of an outer circumferential surface of the rotation shaft for supporting the other side.
6. The method of claim 5,
The inner circumferential surface of the pump housing is provided with a movement prevention portion recessed along the circumference thereof,
The outer peripheral surface of the support member is formed with an outer step portion that is in contact with the movement preventing portion at one side thereof. The inner peripheral surface of the support member is spaced from the support support member by a predetermined distance, And an inner step portion that is in contact with the support support member and slidably supports the water pump-integrated multi-valve device.
6. The method of claim 5,
The support support member
A support body part having a hollow formed therein, the support body part being inserted into the valve; And
A support rotation support portion fixed to the hollow of the support body portion through a plurality of support ribs and having a support insertion hole into which a part of the rotation shaft is inserted;
And a plurality of water pump-integrated multi-valve devices.
The method according to claim 1,
Wherein the valve comprises:
A valve body portion in which a flow path for flowing cooling water is formed;
A driving shaft which is received in a driving force from an actuator provided at one side of the valve housing and is protruded to one side of the valve body and to which the rotating shaft is fixed; And
A valve protrusion protruding from the other side of the valve body;
And a plurality of water pump-integrated multi-valve devices.
The method according to claim 1,
Wherein the impeller includes a cooling water intake portion in which a cooling water intake port is formed and an impeller cover that covers the blade housed therein,
And a gap of a predetermined distance is formed between the bottom surface of the support member and the impeller cover.
A valve housing having at least one inlet port formed with an inlet through which cooling water flows, and a discharge port formed with an outlet through which cooling water is discharged;
A pump housing integrally coupled to or integrally formed with the valve housing in a state where cooling water can communicate with each other;
A valve body disposed inside the valve housing and rotatably installed in the valve housing to selectively open and close at least one of the inlet port and the outlet port;
A rotary shaft having one side receiving driving force from an actuator and the other side projecting at least a portion of the valve body to the outside of the valve body;
An impeller rotatably installed in the pump housing; And
A supporting member installed at a predetermined distance from the impeller and slidably supporting a part of the rotating shaft;
And a plurality of water pump-integrated multi-valve devices.

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