JP4897758B2 - Complementary pressure type water flow control structure - Google Patents

Description

  The present invention relates to a differential pressure type water flow control structure, and more particularly, to a differential pressure type water flow control structure that can automatically adjust the amount and balance of water flow using the magnitude of water pressure.

As shown in FIG. 1, the known water-saving valve structure is composed of a fitting part 100, an adjustment part 200, a water wave device 300, and a fixing ring 400.
The lower end of the circular fitting part 100 extends from the flange 101, and an installation hole 103 provided with a screw thread 102 is formed in the center of the fitting part 100.
A perforation 201 is provided at the center of the adjustment component 200, and a screw yama 202 is formed at the outer diameter edge of the upper end thereof. A recessed tank 204 for installing a water stop ring 203 is installed below the screw mountain 202, and a plurality of holes 205 are installed at the lower end.
A convex portion 206 for adjusting the water flow is formed at one end of the adjustment component 200. Under the convex part 206, the adjustment part 207 of a "one" character type or a "ten" character type tank is installed.
A net-like filter 301 is installed at each of the upper and lower ends of the water wave device 300.
A screw yama 401 is formed on the outer diameter edge of the fixing ring 400.

At the time of combination and use, the adjustment part 200 fitted with the water stop ring 203 is screwed into the fitting part 100, and the adjustment part 207 at the lower end of the adjustment part 200 is tightened and adjusted using a tool. In this way, the convex portion 206 at the lower end of the adjustment component 200 and the wall edge of the fitting component 100 form a gap through which the transitional flow flows, thereby achieving a water flow adjustment function.
When the fitting part 100 is fitted in the water outlet 501 of the single pipe faucet 500, the flange 101 at the lower end of the fitting part 100 and the shoulder portion in the water outlet 501 of the faucet 500 are in a contact localization state. Next, the water wave device 300 is installed in the fixing ring 400, and the fixing ring 400 is fixed to the screw portion 502 of the water outlet 501 of the faucet 500.
When the water flow flows through the water-saving valve, it flows through the perforation 201 screwed into the adjustment part 200 in the fitting part 100 and is further ejected from the hole part 205 below the adjustment part 200.
The ejected water flow becomes uniform and flows out through the filter 301 on the water wave device 300.

As shown in FIGS. 2 to 4, another type of water-saving valve structure is composed of a valve body 1000, a piston 2000, an elastic part 3000, and a valve base 4000.
The inside of the valve body 1000 corresponds to the launching end position, and a conical localization tank 1001 that is narrowed is installed.
A step surface 1002 is installed at the bottom end of the conical stereotaxic bath 1001, thereby installing the piston 2000. In addition, a Phillips screw thread 1003 is installed on the outer wall of the conical positioning tank 1001, and the sealing ring 1004 and the launch pipe 5000 are connected and fixed together.
In this way, water leakage after connection can be prevented.
Inside the valve body 1000, a circular localization tank 1005 that is widened corresponding to the water discharge end position is installed, and a step surface 1006 is installed at the bottom end of the localization tank. As a result, the valve base 4000 can be installed, and the minus screw yama 1007 is installed on the tank wall, and the sealing ring 1008 and the shower head 6000 are associated with each other and fixed together.
The outer diameter of the piston 2000 is slightly smaller than the inner diameter of the conical localization tank 1001 where the valve body 1000 is narrowed, and can be installed on the step surface 1002 at the bottom of the conical localization tank 1001.
A conical valve plug 2001 is installed at the center of the piston 2000, and an annular outer floor edge 2002 is installed at the bottom of the conical valve plug 2001.
The elastic part 3000, which is a compression spring, can be installed in the conical positioning tank 1001 in which the valve body 1000 is narrowed. The elastic part 3000 is interposed between the piston 2000 and the valve base 4000, compresses the piston 2000 with elasticity, and returns. To do.
The outer diameter of the valve mount 4000 is similar to the circular localization tank 1005 in the valve body 1000 and is installed on the step surface 1006 at the bottom of the circular localization tank 1005.
The valve base 4000 corresponds to the position of the conical valve plug 2001 on the piston 2000 and is provided with a valve hole 4001.
The hole diameter of the valve hole 4001 is slightly larger than the outer diameter of the conical valve plug 2001. An annular outer floor edge 4002 is installed at the bottom of the valve hole 4001 to make the width of water flow constant.

In use, as shown in FIGS. 3 and 4, the water flow flows from the launch pipe 5000 into the conical localization tank 1001 of the valve body 1000 to push the piston 2000 and move it inward.
As the water pressure increases, the amount of movement that the piston 2000 moves inward increases, the gap between the conical valve plug 2001 and the valve hole 4001 decreases, and the amount of flowing water decreases. If it is the opposite, the amount of water will increase.

Although the water-saving valve structure described above has a certain water-saving effect, it still has the following drawbacks.
1. With the known water-saving valve structure, the balance between the water amount and the water pressure cannot be automatically adjusted according to the water pressure. Therefore, when the water pressure increases, the amount of water also increases, and the water saving effect is limited. In addition, it is very inconvenient because a separate tool must be used to adjust the amount of water.
2. The known water-saving valve structure of another type has improved the drawback of the above-mentioned known water-saving valve structure that the water volume and water pressure balance cannot be adjusted automatically, but the components do not have an adjustment function. The operating range can be expanded only by exchanging the whole system. For this reason, the operation range of the water-saving valve structure is limited.
3. Another kind of known water-saving valve structure has so many components that the production cost of the product is also increasing in the situation where the price of raw materials has been rising recently.

  The main object of the present invention is a differential pressure type composition composed of a nut, a main body, a support shaft, an elastic part, and a piston that can automatically adjust the water amount and the water pressure balance when installed in a pipe of a faucet, shower head, and water pipe. It is to provide a water flow control structure.

  The next object of the present invention is to provide a complementary pressure type water flow control structure, which is a water flow control structure that automatically adjusts the water pressure difference by adjusting the relative compression stroke of the nut, the support shaft, and the elastic part according to the range of use. Is to provide.

  Another object of the present invention is to provide a component that adjusts the balance between the water flow and the water pressure, thereby replacing the complicated component of the known water-saving valve structure and achieving a reduction in production cost. It is to provide a pressurized water flow control structure.

In order to achieve the above-described object, the differential pressure type water flow control structure is configured such that an elastic part is fitted on a support shaft, and the upper end of the support shaft is joined and screwed by a nut after being drilled in the main body. Solidified.
In this way, it is possible to avoid the elastic component from being detached from the support shaft, and furthermore, the rotation between the nut, the support shaft and the piston is possible, so that the compression stroke of the elastic component can be adjusted according to the range of use. it can. Thereby, the piston provided with elasticity can be made to correspond, and the structure which combines the adjustment function of a water flow and a water pressure balance can be formed.

The invention of claim 1 includes a nut, a main body, a support shaft, an elastic part, a piston,
A gradually reducing hole is provided on the first end surface of the main body, the gradually reducing hole is gradually reduced to the first step surface, and the hole diameter is further reduced to a concave hole on the second end surface. The hole that penetrates and gradually decreases and the concave hole are connected to each other, and a second step surface is provided in the concave hole, and the second step surface is penetrated on the first step surface. , Install at least one outlet hole,
The main body has a connection between the support shaft, the elastic component, and the piston. The support shaft is fitted to the elastic component, and the piston is screwed to one end of the support shaft. The opposite end of the shaft passes through the body and is screwed and coupled with the nut,
By connecting the piston and the elastic component, the support shaft is interlocked, and by turning the nut, the contraction of the elastic component on the support shaft is adjusted, and thus the position of the piston is The differential pressure type water flow control structure is characterized in that the gap between the main body and the body is reduced or expanded to adjust the amount of water.
According to a second aspect of the present invention, in the differential pressure-type water flow control structure according to the first aspect, a hole is provided through the upper end position of the support shaft, a screw yama is provided on the hole wall of the hole, and the lower end of the support shaft is provided. It has a differential pressure type water flow control structure characterized by installing a screw thread on the outer diameter .
According to a third aspect of the present invention, in the differential pressure type water flow control structure according to the first aspect, the upper end of the elastic part fitted on the support shaft is pushed up on the second step surface in the main body concave hole, and the opposite side is The differential pressure type water flow control structure is characterized by being in close contact with the piston .
According to a fourth aspect of the present invention, there is provided the differential pressure type water flow control structure according to the first aspect, wherein a recess is provided on the piston surface on one side of the piston, a screw yama is provided on the inner wall thereof, and a piston surface on the opposite side is provided. It has a differential pressure type water flow control structure characterized by installing an inner concave arc-shaped surface .
According to a fifth aspect of the present invention, there is provided the differential pressure type water flow control structure according to the first aspect, wherein the nut screwed onto the support shaft is capable of controlling and adjusting a compression stroke of the elastic part. It has a water flow control structure.

  The differential pressure type water flow control structure of the present invention can automatically adjust the amount and balance of water flow using the magnitude of water pressure.

FIG. 5 is an exploded three-dimensional view showing a differential pressure type water flow control structure according to one embodiment of the present invention, and FIG. 6 is a three-dimensional sectional view showing a differential pressure type water flow control structure according to one embodiment of the present invention.
As shown in the figure, the differential pressure type water flow control structure according to one embodiment of the present invention is composed of a nut 1, a main body 2, a support shaft 3, an elastic part 4, and a piston 5.
The bolt 11 is extended under the nut 1.
A gradually reducing hole 23 is provided in the first end surface 21 of the main body 2, and when the gradually reducing hole 23 is reduced to the first step surface 231, the hole diameter is further reduced, and the stepped concave portion of the second end surface 22 is reduced. It penetrates to the hole 24. In addition, the hole 23 and the concave hole 24 that gradually shrink communicate with each other.
The piston 5 can be installed on the first step surface 231, and the second step surface 241 is provided in the concave hole 24. On the second step surface 241, the elastic component 4 can be installed, and on the first step surface 231, at least one water outlet hole 221 that penetrates to the second end surface 22 is installed.
A hole 31 is penetrated and installed at the upper end position of the support shaft 3, and a screw thread 311 is installed on the hole wall.
A screw yama 32 is installed on the outer diameter of the lower end position of the support shaft 3, and the elastic part 4 having elasticity is fitted on the support shaft 3.
A recess 51 is provided on the one-side piston surface of the piston 5 whose diameter is smaller than that of the hole 23 whose diameter is gradually reduced. The screw wall 511 is installed on the inner wall, and the inner concave arc-shaped surface 52 is installed on the opposite piston surface. The inner concave arc-shaped surface 52 has a water pressure buffering function.

At the time of combination, as shown in FIGS. 5 to 7, first, the elastic component 4 is fitted on the support shaft 3. In addition, after screw screw 32 having an outer diameter at the lower end of support shaft 3 and screw thread 511 in recess 51 of piston 5 are tightly screwed, the upper end of support shaft 3 is inserted through hole 23 that gradually decreases in main body 2, and steps are taken. The main body 2 is penetrated through the concave hole 24.
Next, the bolt 11 extending to the lower part of the nut 1 is screw-coupled to the screw thread 311 in the hole 31 at the upper end of the support shaft 3. As a result, the elastic component 4 is fitted on the support shaft 3 and linearly slides within the main body 2.
When the nut 1 is turned, the compression stroke of the elastic component 4 fitted on the support shaft 3 can be controlled and adjusted, and the reduction and expansion of the gap with the main body 2 can be achieved.
The upper end of the elastic part 4 pushes up the second step surface 241 in the main body 2 concave hole 24, and the opposite short is in close contact with the piston 5.

In use, as shown in FIGS. 8 to 12 in order, when the differential pressure type water flow control structure according to one embodiment of the present invention is installed in the water supply used for the water intake of the shower head 6, the water flow is gradually reduced in the main body 2. When flowing in through the hole 23, the water pressure pushes and moves the piston 5 toward the first step surface 231, whereby water flows into the water outlet 221 on the first step surface 231.
Further, water is discharged from the water outlet 221 to the shower head 6.
When the water pressure increases instantaneously, the amount of movement of the piston 5 to the position of the first step surface 231 also increases instantaneously, and at the same time, the gap between the piston 5 and the hole wall 23 that gradually decreases also decreases.
In this way, the water outlet 221 is gradually reduced to be shielded, and forms a state in which the amount of water flowing out instantaneously as shown in FIG. 9 decreases.
At this time, when the momentary pressure received by the elastic part 4 and received by the piston 5 reaches full load, a repulsive elastic recovery force starts to be generated, the piston 5 is pushed in the opposite direction, and the hole 23 is gradually reduced. Separate from the step surface 231. Thereby, the water outlet 221 gradually increases the amount of water discharged.
When the water pressure and the elastic recovery force of the elastic part 4 repulsion are automatically balanced, the water discharge gap between the piston 5 and the gradually reducing hole 23, the first step surface 231 and the water outlet 221 is more optimal than A large amount of water is discharged.

On the other hand, when the water pressure instantaneously decreases, the amount of movement by which the piston 5 moves away from the first step surface 231 also increases instantaneously.
At this time, the elastic resilience of repulsion generated instantaneously by the elastic component 4 is larger than the water pressure, and the piston 5 is pushed closer to the first step surface 231.
When the water pressure and the elastic resilience of the elastic component 4 are automatically balanced, the water discharge gap between the piston 5 and the gradually reducing hole 23, first step surface 231 and water outlet 221 gradually increases. A water pressure equilibrium is formed when the water flow becomes larger and the flow rate is smaller than the optimum flow rate.

When the gap between the piston 5 and the gradually reducing hole 23 hole wall gradually increases (or decreases), an inner concave arc-shaped surface 52 is formed on one side of the piston 5 that shields the water outlet 221. The inner concave arc-shaped surface 52 has a water pressure buffering function, and can increase the area of the piston 5 and achieve the function of quickly adjusting the water flow and the water pressure balance.
As shown in FIG. 10, the inner concave arc-shaped surface 52 can be installed outside the shower head 6, and can also be installed in the shower head 7 and the water pipe 8 as shown in FIGS. 11 to 12.
In this way, it is possible to achieve the function of automatically adjusting the water flow and balancing the water pressure at an appropriate position in the water supply.

A typical building roof water tank (or water tank) has a height of about 3 meters from the top floor to the first floor of the lowest floor, and the water pressure in the water pipe is about 1 kg / square centimeter (ie, 1 kg). / Cm ² ).
Most water-ignition gas water heaters have an ignition water pressure of about 2.5-3 kg / cm ² and a water volume of about 6-12 cubic meters (or liters) / minute (ie, 6-12 L / min).
If the building has 10 floors, calculate the water pipe from the top floor to the bottom to prevent the water pipe from being destroyed in the lower floor due to excessive water pressure and water volume. A decompressor must be installed.
Therefore, how to control the water pressure and the amount of water just to be optimal, connect to the equipment to be used, and maintain the water-saving situation is a very important issue.

FIG. 13 is a comparative recording table of flow rates when the present invention is used and when the present invention is not used, and FIG. 14 is a bar graph and a line graph of the flow rate comparison of FIG.
As shown in FIGS. 13 and 14, the differential pressure type water flow control structure according to one embodiment of the present invention is installed in a water pipe having a pipe diameter of 1 inch ² and tested to record the amount of effluent water per minute, The outflow water amount per minute of the water pipe which does not install the differential pressure type water flow control structure which concerns on one Embodiment is compared.
When the water pressure in the water pipe is 1 kg / square centimeter (ie, 1 kg / cm ² ), the amount of water (min) in the water pipe not installed in the present invention is 10.8 liters (ie, 10.8 L / min). The water volume per minute (min) of the water pipe after installing the present invention is 9.3 liters (L / min). Therefore, the water saving fee is 14%.
When the water pressure in the water pipe is 1.5 kg / square centimeter (1 kg / cm ² ), the water volume per minute (min) of the water pipe not installed in the present invention is 12.7 liters (L / min). The water amount per minute (min) of the water pipe after installing is 6.7 liters (L / min). Therefore, the water saving fee is 47%.
When the water pressure in the water pipe is 2 kg / square centimeter (1 kg / cm ² ), the water pipe per minute (min) of the water pipe where the present invention is not installed is 14.6 liters (L / min), and the present invention is installed. The water volume per minute (min) of the later water pipe is 7.1 liters (L / min). Therefore, the water saving fee is 51%.
When the water pressure in the water pipe is 2.5 kg / square centimeter (1 kg / cm ² ), the water volume per minute (min) of the water pipe not installed in the present invention is 16.1 liters (L / min). The water amount per minute (min) of the water pipe after installing is 8.2 liters (L / min). Therefore, the water saving fee is 49%.
When the water pressure in the water pipe is 3 kg / square centimeter (1 kg / cm ² ), the water pipe per minute (min) of the water pipe not installed with the present invention is 17.6 liters (L / min), and the present invention is installed. The water volume per minute (min) of the later water pipe is 8.6 liters (L / min). Therefore, the water saving fee is 51%.
When the water pressure in the water pipe is 3.5 kg / square centimeter (1 kg / cm ² ), the water volume per minute (min) of the water pipe not installed in the present invention is 18.7 liters (L / min). The water amount per minute (min) of the water pipe after installing is 9.3 torr (L / min). Therefore, the water saving fee is 50%.
When the water pressure in the water pipe is 4 kg / square centimeter (1 kg / cm ² ), the water pipe per minute (min) of the water pipe where the present invention is not installed is 20.0 liters (L / min), and the present invention is installed. The water volume per minute (min) of the later water pipe is 9.7 torr (L / min). Therefore, the water saving fee is 52%.

As is apparent from the bar graph and line graph of the flow rate comparison shown in FIG. 14, the water pressure is within the range of normally required values from 1.5 kg / cm ² (1 kg / cm ² ) to 4 kg / cm ² (1 kg / cm ² ). At some point, the water saving rate is stably controlled between 47 and 52%.
That is, by using the differential pressure type water flow control structure according to one embodiment of the present invention, the water saving rate reaches half, and the needs for environmental protection can be reliably met.

  As described above, the differential pressure-type water flow control structure according to one embodiment of the present invention is surely provided with water flow adjustment and water pressure balancing functions, can reduce production costs, and can meet the needs of environmental protection. it can.

It is a three-dimensional exploded view showing a known water-saving valve structure. It is a three-dimensional exploded view showing another known water-saving valve structure. It is sectional drawing which shows the state which uses another kind of well-known water-saving valve structure for a shower head. It is a figure which shows embodiment of another kind of well-known water-saving valve structure. It is a three-dimensional exploded view showing a differential pressure type water flow control structure according to an embodiment of the present invention. It is a three-dimensional sectional view showing a differential pressure type water flow control structure according to an embodiment of the present invention. FIG. 4 is a stroke diagram of an adjustment elastic component in a differential pressure type water flow control structure according to an embodiment of the present invention. It is a figure (one) which shows the implementation state of the differential pressure type water flow control structure by one embodiment of the present invention. It is a figure (2) figure which shows the implementation state of the differential pressure type water flow control structure by one Embodiment of this invention. It is a three-dimensional exploded view showing the differential pressure type water flow control structure according to the first optimum embodiment of the present invention. It is a three-dimensional exploded view showing a differential pressure type water flow control structure according to a second optimum embodiment of the present invention. It is a three-dimensional exploded view showing a differential pressure type water flow control structure according to a third optimum embodiment of the present invention. It is a comparative record table of the flow rate when the present invention is used and when the present invention is not used. It is the bar graph and line graph of the flow volume comparison of FIG.

DESCRIPTION OF SYMBOLS 1 Nut 11 Bolt 2 Main body 21 1st end surface 22 2nd end surface 221 Water outlet hole 23 The hole 23 which reduces gradually 231 1st step surface 24 concave hole 241 2nd step surface 3 Support shaft 31 Hole 32 Screw yama 311 Screw yama 4 Elastic part 5 Piston 51 recessed portion 52 inner concave arc surface 511 screw yama 52 inner concave arc surface 6 shower head 7 shower head 8 water pipe 100 fitting part 101 flange 102 screw yama 103 installation hole 200 adjustment part 201 perforation 202 screw yama 203 water stop ring 204 concave tank 205 hole Part 206 convex part 207 adjustment part 300 water waver 301 mesh filter 400 fixing ring 401 screw yama 500 faucet 501 water outlet 502 screw yama part 1000 valve body 1001 localization tank 1002 step surface 1003 plus screw yama 1004 sealing ring 1005 circular localization tank 1006 Step surface 1007 Minus screw Yama 1008 Seal ring 2000 Piston 2001 Conical valve plug 2002 Annular outer floor edge 3000 Elastic part 4000 Valve stand 4001 Valve hole 4002 Annular outer floor edge 5000 Launch pipe 6000 Shower head

Claims (5)

It is equipped with a nut, main body, support shaft, elastic parts, piston,
A gradually reducing hole is provided on the first end surface of the main body, the gradually reducing hole is gradually reduced to the first step surface, and the hole diameter is further reduced to a concave hole on the second end surface. The hole that penetrates and gradually decreases and the concave hole are connected to each other, and a second step surface is provided in the concave hole, and the second step surface is penetrated on the first step surface. , Install at least one outlet hole,
The main body has a connection between the support shaft, the elastic component, and the piston. The support shaft is fitted to the elastic component, and the piston is screwed to one end of the support shaft. The opposite end of the shaft passes through the body and is screwed and coupled with the nut,
By connecting the piston and the elastic component, the support shaft is interlocked, and by turning the nut, the contraction of the elastic component on the support shaft is adjusted, and thus the position of the piston is A differential pressure type water flow control structure characterized in that the gap between the main body and the main body is reduced or expanded to adjust the amount of water. 2. The differential pressure type water flow control structure according to claim 1, wherein a hole is penetrated at the upper end position of the support shaft, a screw yama is installed on the hole wall of the hole, and a screw yama is installed at the outer diameter of the lower end of the support shaft. A differential pressure type water flow control structure. 2. The differential pressure type water flow control structure according to claim 1, wherein an upper end of an elastic part fitted on the support shaft is pushed up on a second step surface in the main body concave hole, and an opposite side is in close contact with the piston. Complementary pressure type water flow control structure. 2. The differential pressure type water flow control structure according to claim 1, wherein a concave portion is provided on the piston surface on one side of the piston, a screw yama is provided on the inner wall thereof, and an inner concave arc surface is provided on the opposite piston surface. A differential pressure type water flow control structure characterized by that. 2. The differential pressure type water flow control structure according to claim 1, wherein a nut screwed onto the support shaft can control and adjust a compression stroke of the elastic part.

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