KR101010903B1 - Nozzle assembly for paving fountain - Google Patents

Abstract

The present invention discloses a nozzle assembly for a floor fountain.

The nozzle assembly for the bottom fountain of the present invention is formed with an inlet hole in which water is introduced into the lower portion, the housing is formed in the opening; A cover fixed to the opening and having a spray hole formed in the center for spraying water; A shaft which is installed to be elevated in the housing by a hydraulic pressure of water introduced through the inflow hole, and a spray path is formed therein so as to eject water through the jet hole; A shaft support plate fixed inside the housing to support the shaft; A shaft ring fixed to an outer circumference of the shaft and in close contact with an inner wall of the housing to guide water introduced through the inlet hole into the jet passage; A pair of slides installed to face each other inside the housing and selectively opening the blow-out hole when the shaft is raised; And a slide spring provided between the inner wall of the housing and the slide to support the slide in a direction of blocking the ejection hole.

Shaft Support Plate, Shaft Ring, Blowout Hole, Shaft, Housing

Description

Nozzle assembly for paving fountain

The present invention relates to a nozzle assembly for a floor fountain, and more particularly, to a nozzle assembly for a floor fountain that ejects water while the shaft is raised by hydraulic pressure only during the fountain operation.

In general, the floor fountain is installed on the floor in front of the building, the first floor lobby of a hotel or building, etc., and is used as a pedestrian road when the fountain does not operate. It is a fraction of the form that gives a sense of beauty.

Conventional floor fountain safety nozzles are disclosed in published patent application publication No. 10-2006-0095737.

The conventional bottom fountain safety nozzle has a lower body (10) coupled to the fountain water supply connector (1); A floating nozzle 20 which is coupled to the lower body 10 and has an ejection path 21 and is elevated according to water pressure; A cover body 30 coupled to the lower body 10 to cover the flow nozzle 20; And coupled to the upper end of the cover body 30, it is composed of an upper body 40 of the external exposure type having a blowout hole 41 formed in the center.

And the inside of the upper body 40 blocks the jet hole 41 when the flow nozzle 20 is lowered, the water jet to the outside through the jet passage 21 when the flow nozzle 20 is raised It is provided with a nozzle opening and closing part 50 that slides in the horizontal direction.

In the conventional bottom fountain safety nozzle configured as described above, when the flow nozzle 20 rises due to the water pressure of the water flowing from the water supply connection pipe 1, the end portion of the flow nozzle 20 pushes the opening / closing door 51. Open the spout hole 41, and at the same time the water flowing into the cover body 30 flows into the flow nozzle 20 through the first hole 11 and the second hole 23, and then the spout passage ( Through 21).

However, the conventional floor fountain safety nozzle has some problems as follows.

First, since the upper body 40 is made of a structure that protrudes from the bottom surface, there is a problem that the protruding portion is a barrier to walking and even pedestrians slip and get injured.

Second, the length of the upper body 30 is designed without considering the speed of the water is ejected, so that the entire water flowing from the water supply connecting pipe (1) through the first hole (11) and the second hole (23) After flowing into the flow nozzle 20 to be discharged to the outside through the jet passage 21, a portion of the water flowing from the water supply connection pipe (1) is formed between the flow nozzle 20 and the opening and closing door (51) There is a problem of leaking through the minute gap (G1: see FIG. 2).

Second, when the flow nozzle 20 is raised, a separate structure supporting the flow nozzle 20 is not provided so that the flow nozzle 20 moves upwardly, so that vibration (vibration) of the flow nozzle 20 occurs. This causes noise.

Third, since the flow nozzle 20 rises rapidly due to hydraulic pressure, the end portion of the flow nozzle 20 hits the opening / closing door 51 with a large force, and at this time, noise is generated as a result of the sudden collision of the flow nozzle 20. There is a problem that wear and breakage occurs in the part.

Fourth, even in the state in which the opening and closing door 51 is blocking the ejection hole 41, there is always a small gap (G2) in the opening and closing door 51, the foreign matter through the minute gap (G2: see Figure 1). Penetration, especially in winter, water penetrates into the fine gap (G2) there is a problem that the entire nozzle is freezing.

Finally, there is a problem in that the opening and closing of the opening and closing door 51 is not smooth because there is no separate guide body for guiding the movement of the opening and closing door 51 when the opening and closing door 51 is opened.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide a nozzle assembly for a bottom fountain, in which water flowing from a water supply connection pipe can be discharged through a nozzle's nozzle without any leakage. .

Another object of the present invention is to provide a shaft assembly for supporting the shaft, the nozzle assembly for the bottom fountain that can prevent the shaking of the shaft and the noise generated when the shaft is raised.

Still another object of the present invention is to provide a nozzle assembly for a floor fountain, which can prevent wear and breakage due to contact between the shaft and the slide.

Still another object of the present invention is to provide a nozzle assembly for a floor fountain, in which a gap does not occur between slides, thereby preventing water from penetrating into winter and freezing the nozzle assembly in advance.

Still another object of the present invention is to provide a nozzle assembly for a floor fountain that can guide the left and right movement of the slide to open and close the ejection hole in a timely manner.

In order to achieve the above object, a nozzle assembly for a bottom fountain according to an aspect of the present invention includes a housing having an inlet hole through which water is introduced and an opening formed therein; A cover fixed to the opening and having a spray hole formed in the center for spraying water; A shaft which is installed to be elevated in the housing by a hydraulic pressure of water introduced through the inflow hole, and a spray path is formed therein so as to eject water through the jet hole; A shaft support plate fixed inside the housing to support the shaft; A shaft ring fixed to an outer circumference of the shaft and in close contact with an inner wall of the housing to guide water introduced through the inlet hole into the jet passage; A pair of slides installed to face each other inside the housing and selectively opening the blow-out hole when the shaft is raised; And a slide spring provided between the inner wall of the housing and the slide to support the slide in a direction of blocking the ejection hole.

The slide body has an inclined surface is formed on the inner surface; And wings formed to protrude from the upper portion of the body.

On the other hand, according to another aspect (another aspect) of the present invention, the nozzle assembly for the bottom fountain is formed in the inlet hole in which water is introduced, the opening is formed in the upper portion; A cover fixed to the opening and having a spray hole formed in the center for spraying water; A shaft which is installed to be elevated in the housing by a hydraulic pressure of water introduced through the inflow hole, and a spray path is formed therein so as to eject water through the spray hole; A shaft support plate fixed inside the housing to support the shaft; A shaft ring fixed to an outer circumference of the shaft and in close contact with an inner wall of the housing to guide water introduced through the inlet hole into the jet passage; A pair of slides installed to face each other inside the housing and selectively opening the blow-out hole when the shaft is raised; And a slide spring installed between the inner wall of the housing and the slide to support the slide in a direction of blocking the ejection hole, wherein the slide has an inclined surface formed on an inner side of the body and an upper portion of the body. Wings are formed to protrude, the body is supported by a support bracket, a guide protrusion is formed on the lower portion of the body, a guide slot is formed on the upper portion of the support bracket corresponding to the guide protrusion.

An end jaw may be formed in the wing, and a seal sheet may be attached to the end jaw.

An inclined surface may be formed at the end of the shaft to correspond to the inclined surface of the slide, and a ball bearing may be installed at an upper end of the inclined surface of the shaft.

A shaft spring may be installed inside the housing to elastically support the shaft, and a light emitting diode (hereinafter referred to as LED) may be installed on the upper surface of the cover in a circumferential direction.

As described above, the nozzle assembly for the bottom fountain of the present invention, because the water flowing from the water supply connection pipe by the shaft ring can be ejected through the spout of the shaft without leaking at all, the height of the fountain even at low water pressure It can be implemented high and has the effect of keeping the fountain height constant.

In addition, the shaft plate for supporting the shaft is provided, there is an effect that can prevent the shaking of the shaft and the generation of noise when the shaft is raised.

In addition, the ball bearing is provided in the contact portion of the shaft and the slide, there is an effect that can effectively prevent the wear of the parts.

In addition, there is no gap between the slides, the water penetrates in winter has the effect of preventing the freezing of the nozzle assembly in advance.

In addition, there is an effect that can perform a smooth operation by opening and closing the ejection hole in a timely manner to guide the slide movement.

Hereinafter, a nozzle assembly for a bottom fountain according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view showing a nozzle assembly for the bottom fountain according to an embodiment of the present invention, Figure 4 is a perspective view of the combination of Figure 3, Figure 5 is a longitudinal cross-sectional view showing a state before the operation of Figure 4, and Figure 6 This is a longitudinal cross-sectional view showing the operating state of.

3 to 6, in the nozzle assembly 100 for a bottom fountain according to an embodiment of the present invention, an inflow hole 111 through which water is introduced is formed, and an opening 112 is formed in an upper portion thereof. A housing 110; A cover 120 fixed to the opening 112 and having a spray hole 121 formed in the center to spray water; It is installed to be elevated in the housing 110 by the water pressure of the water flowing through the inlet hole 111, the spray passage (nozzle hole) therein to eject the water through the jet hole 121 ( 131, the shaft 130 is formed; A shaft support plate 140 fixed inside the housing 110 to support the shaft 130; A shaft ring 150 fixed to an outer circumference of the shaft 130 and in close contact with an inner wall of the housing 110 to guide water introduced through the inflow hole 111 into the jet passage 131; A pair of slides 160 installed to face each other inside the housing 110 and selectively opening the jet hole 121 when the shaft 150 is raised; And a slide spring 170 installed between the inner wall of the housing 110 and the slide 160 to support the slide 160 in a direction of blocking the ejection hole 121.

Referring to the configuration of the present invention in more detail, the housing 110 is formed in a cylindrical shape, the lower portion is connected to the water supply connecting pipe (1).

An inflow hole 111 through which water is introduced is formed in the lower portion of the housing 110, and the cover 120 is fixed to the opening 112 formed in the upper portion. A spray hole 121 through which water is ejected is formed in the center of the cover 120. The cover 120 is positioned at the same height as the ground (G) so as not to protrude above the ground (G) to prevent the pedestrian from tripping over.

The slide 160 is supported by the support bracket 115, and composed of a body 161, the inclined surface 162 is formed on the inner surface, and a wing 165 protruding on the upper portion of the body 161. do.

The shaft support plate 140 is fixed inside the housing 110 to support the lifting shaft 130.

The shaft support plate 140 may guide the lifting and lowering of the shaft 130 to induce a smooth movement of the shaft 130, and prevent the vibration of the shaft 130.

The shaft ring 150 is fixed to the outer circumference of the shaft 130, and the housing 110 is used to guide water introduced through the inflow hole 111 into the jet passage 131 without leaking water. Keep in close contact with the inner wall.

In order for the shaft ring 150 to be fitted to the shaft 130, the shaft 130 is divided into a part in which a jet path 131 is formed and a part in which a hole 130a is formed.
A locking jaw 137 is formed at an upper end of the inclined surface 133 of the shaft 130 so that the upper end of the shaft 130 is caught by the cover 120 when water is ejected by the locking jaw 137. The upper end of the shaft 130 is located at the same height as the cover 120 does not protrude above the ground (G). In addition, the locking jaw 137 may effectively prevent leakage by eliminating minute gaps between the shaft 130 and the cover 120.

Referring to the operation of the nozzle assembly for the floor fountain according to an embodiment of the present invention configured as described above are as follows.

First, when water is supplied through the water supply connecting pipe 1 in a state in which the ejection hole 121 of the cover 120 is closed as shown in FIG. 5, the water is introduced into the housing 110 through the inlet hole 111. Inflow.

At this time, the shaft 130 is raised by the hydraulic pressure as shown in FIG. When the shaft 130 is raised, the end portion of the shaft 130 is in contact with the inclined surface 162 of the slide 160 to move the slide 160 in the left and right directions.

Due to the left and right movement of the slide 160, a gap between the wing 165 and the wing 165 is opened, and the ejection hole 121 that is blocked by the wings 165 is opened.

In the state where the blowing hole 121 of the cover 120 is opened, water is jetted through the blowing path 131 of the shaft 130. While spraying water, the shaft 130 continues to rise due to water pressure.

The shaft plate 140 supports the shaft 130, and serves to prevent the shaking of the shaft 130 and the generation of noise due to the shaft 130 when the shaft 130 rises.

The shaft ring 150 maintains a state in close contact with the inner wall of the housing 110 so that water introduced through the inlet hole 111 and the hole 130a is guided into the spout 131 and then spouted. do.

That is, the shaft ring 150 allows the water introduced into the housing 110 to be ejected to the ejection hole 121 without leakage. Therefore, water leakage does not occur, so it is very easy to control the pressure, it is possible to increase the height of the fountain with a low water pressure, it is possible to maintain a constant height of the fountain.

When the water supply is stopped, the shaft 130 is lowered by the weight of the shaft 130 and the ejection hole 121 is blocked while the slide 160 is repositioned by the elastic restoring force of the slide spring 170. do.

On the other hand, Figure 7 is a longitudinal cross-sectional view showing a state before the operation to the nozzle assembly for the bottom fountain according to another embodiment of the present invention, Figure 8 shows an operating state to show the nozzle assembly for the bottom fountain according to another embodiment of the present invention. 9 is an enlarged longitudinal sectional view of FIG. 7.

7 to 9, in the nozzle assembly 200 for a bottom fountain according to another embodiment of the present invention, an inlet hole 211 through which water is introduced is formed, and an opening 212 is formed in an upper portion thereof. A housing 210; A cover 220 fixed to the opening 212 and having a spray hole 221 formed in the center for spraying water; It is installed to be elevated in the housing 210 by the water pressure of the water flowing through the inlet hole 211, the spray path 231 is formed therein to eject the water through the jet hole 221 Being shaft 230; A shaft support plate 240 fixed inside the housing 210 to support the shaft 230; A shaft ring 250 fixed to an outer circumference of the shaft 230 and in close contact with an inner wall of the housing 210 to guide water introduced through the inflow hole 211 into the jet passage 231; A pair of slides 260 which are installed to face each other inside the housing 210 and selectively open the jet hole 221 when the shaft 230 is raised; And a slide spring 270 installed between the inner wall of the housing 210 and the slide 260 to support the slide 260 in a direction of blocking the jet hole 221.

The slide 260 has an inclined surface 263 is formed on the inner surface of the body 261, the wing 264 is protruded on the upper portion of the body 261.

The body 261 is supported by the support bracket 268. A guide protrusion 262 is formed at a lower portion of the body 261, and a guide slot 269 is formed at an upper portion of the support bracket 268 corresponding to the guide protrusion 262.

An end jaw 265 is formed at the wing 264, and a seal sheet 266 is attached to the end jaw 265.

An inclined surface 233 is formed at the end of the shaft 230 to correspond to the inclined surface 263 of the slide 260, and a ball bearing 235 is installed at an upper end of the inclined surface 233 of the shaft 230. . A locking jaw 237 is formed at an upper end of the inclined surface 233 of the shaft 230, and the ball bearing 235 is installed at the locking jaw 237.

A shaft spring 270 is installed inside the housing 210 to elastically support the shaft 230.

A plurality of LEDs 280 are installed on the upper surface of the cover 220 in the circumferential direction. The LED is formed integrally with the nozzle assembly, so there is no need to install it separately.

Referring to the operation of the nozzle assembly for the floor fountain according to another embodiment of the present invention configured as described above are as follows.

As shown in FIG. 7, when water is supplied through the water supply connecting pipe 1 in the state in which the ejection hole 221 of the cover 220 is closed, water is introduced into the housing 210 through the inlet hole 211. .

At this time, the shaft 230 is raised by the hydraulic pressure as shown in FIG. When the shaft 230 is raised, the ball bearing 235 installed at the end of the shaft 230 contacts the inclined surface 262 of the slide 260 to move the slide 260 in the left and right directions.

Due to the left and right movement of the slide 260, a gap between the wing 265 and the wing 265 is opened at this time, and the ejection hole 221, which was blocked by the wings 265, is opened.

In the state where the blowing hole 221 of the cover 220 is opened, water is jetted through the blowing path 231 of the shaft 230.

On the other hand, when the supply of water is stopped, the shaft 230 is lowered by the weight of the shaft 230 and the elastic restoring force of the shaft spring 280.

And the slide 260 is in the original position by the elastic restoring force of the slide spring 270 to block the ejection hole 221.

In the nozzle assembly 200 for the bottom fountain according to another embodiment of the present invention, the ball bearing 235 is provided in the contact portion of the shaft 230 and the slide 260, thereby reducing the friction between the parts to wear the parts And to prevent breakage and to prevent noise.

In addition, since the shaft spring 270 elastically supports the shaft 230, the shaft 230 does not suddenly rise even when the hydraulic pressure increases rapidly.

In addition, since the guide protrusion 262 is maintained in the inserted state in the guide slot 269, the slide 260 can be moved smoothly in the left and right directions.

In addition, the blade 264 is formed on the wing 264, and the seal sheet 266 is attached to the blade 265 so that a gap does not occur between the blades 265 of the slide 260. Water penetration into the nozzle assembly can be prevented in advance.

Although preferred embodiments of the present invention have been described as described above, the technology of the present invention is not limited to the above-described embodiments, but is defined by the claims, and a person skilled in the art of the present invention Of course, various modifications can be made within the scope of the claims.

1 and 2 is a longitudinal sectional view showing a conventional floor fountain safety nozzle

Figure 3 is an exploded perspective view showing a nozzle assembly for the bottom fountain according to an embodiment of the present invention

4 is a perspective view of the combination of FIG.

Figure 5 is a longitudinal cross-sectional view showing a state before operation of FIG.

6 is a longitudinal sectional view showing the operating state of FIG.

Figure 7 is a longitudinal cross-sectional view showing a nozzle assembly for the bottom fountain according to another embodiment of the present invention, the state before operation

8 is a view showing a nozzle assembly for a bottom fountain according to another embodiment of the present invention, showing a working state

9 is an enlarged view of main portion excerpt of FIG.

* Description of main parts

100: nozzle assembly for floor fountain

110: housing

111: inflow hole

112: opening

115: support bracket

120: cover

131: squirting furnace

130: shaft

140: shaft support plate

150: shaft ring

160: slide

161: body

162: slope

165: wings

170: slide spring

210: housing

211: inlet hole

212: opening

220: cover

221: blowout hole

230: shaft

231: squirt furnace

235: ball bearing

240: shaft support plate

250: shaft ring

260: slide

261: body

262 guide turning

263: slope

264: wings

265: chin

266: seal sheet

268: support bracket

269: guide slot

270: slide spring

280: shaft spring

290: light-emitting diode (LED)

Claims (8)

A housing having an inflow hole through which water is introduced, and an opening formed at an upper portion thereof; A cover fixed to the opening and having a spray hole formed in the center for spraying water; A shaft which is installed to be elevated in the housing by a hydraulic pressure of water introduced through the inflow hole, and a spray path is formed therein so as to eject water through the spray hole; A shaft support plate fixed inside the housing to support the shaft; A shaft ring fixed to an outer circumference of the shaft and in close contact with an inner wall of the housing to guide water introduced through the inlet hole into the jet passage; A pair of slides installed to face each other inside the housing and selectively opening the blow-out hole when the shaft is raised; And a slide spring installed between the inner wall of the housing and the slide to support the slide in a direction of blocking the ejection hole. The cover is located at the same height as the ground does not protrude over the ground, the upper end of the shaft is a fountain nozzle assembly, characterized in that located at the same height as the cover by the locking jaw at the time of water jet. The method of claim 1, The slide is A body having an inclined surface formed on an inner surface thereof; And The nozzle assembly for the bottom fountain, characterized in that consisting of wings protruding from the top of the body. A housing having an inflow hole through which water is introduced, and an opening formed at an upper portion thereof; A cover fixed to the opening and having a spray hole formed in the center for spraying water; A shaft which is installed to be elevated in the housing by a hydraulic pressure of water introduced through the inflow hole, and a spray path is formed therein so as to eject water through the spray hole; A shaft support plate fixed inside the housing to support the shaft; A shaft ring fixed to an outer circumference of the shaft and in close contact with an inner wall of the housing to guide water introduced through the inlet hole into the jet passage; A pair of slides installed to face each other inside the housing and selectively opening the blow-out hole when the shaft is raised; And a slide spring disposed between the inner wall of the housing and the slide to support the slide in a direction of blocking the ejection hole. The slide is formed with an inclined surface on the inner side of the body, the wing is formed projecting on the upper portion of the body, the body is supported by a support bracket, the lower portion of the body is formed with a guide protrusion, corresponding to the guide protrusion Guide slots are formed in the upper portion of the support bracket, The cover is located at the same height as the ground does not protrude above the ground, the upper end of the shaft is a nozzle assembly for a floor fountain, characterized in that located at the same height as the cover at the time of water jet. The method of claim 3, wherein An end jaw is formed in the wing, and the nozzle assembly for the bottom fountain, characterized in that the seal sheet is attached to the end jaw. delete The method according to claim 3 or 4, And an inclined surface is formed at an end of the shaft in correspondence with an inclined surface of the slide, and an engaging jaw is formed at an upper end of the inclined surface of the shaft, and a ball bearing is installed at the engaging jaw. The method according to claim 3 or 4, A nozzle assembly for a floor fountain, characterized in that the shaft spring is installed inside the housing to support the shaft elastically. The method according to claim 3 or 4, The nozzle assembly for the bottom fountain, characterized in that the LED is installed in the circumferential direction on the upper surface of the cover.

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