CN214119063U - Dynamic constant-flow explosion-proof valve - Google Patents
Dynamic constant-flow explosion-proof valve Download PDFInfo
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- CN214119063U CN214119063U CN202022577536.3U CN202022577536U CN214119063U CN 214119063 U CN214119063 U CN 214119063U CN 202022577536 U CN202022577536 U CN 202022577536U CN 214119063 U CN214119063 U CN 214119063U
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Abstract
The utility model provides an explosion-proof valve of developments constant current, includes disk seat, spring and case, the spring is settled on the disk seat through the case, the disk seat is the cavity cylinder, and the play water end of disk seat is equipped with the separation blade, and the separation blade center is equipped with to the outstanding valve post of water inlet end direction, is equipped with the main water course that runs through the separation blade along the valve post axis, is equipped with a plurality of apopores on the separation blade around main water course, and the valve post is equipped with toper guide platform towards the terminal outside of water inlet end, and the valve post end is equipped with evenly distributed's tearing notch, the tearing notch cut apart into a plurality of parts that parallel with toper guide platform. The utility model discloses supply water to the high pressure of different pressures and make certain loss of pressure, form the water supply of water yield relatively stable, make the valve body support sealed platform when water pressure is too big, the space between valve body and the disk seat disappears, then vice water course is closed, only main water course can go out water to play the effect that the accuse flowed, can effectively prevent to drench the shower nozzle and burst because of water pressure is too big, also help the water conservation.
Description
Technical Field
The utility model belongs to a dynamic constant-current explosion-proof valve belongs to the control flow governing valve.
Background
Usually, the water tap meets the requirement of the maximum flow of 9 liters/minute at the water pressure of 0.1MPa with the pipe diameter of 15 mm. However, in practical applications, the water pressure is different, which results in different water output of the same type of faucet. For example, when the water pressure exceeds 0.1MPa, the flow rate increases with the increase of the water pressure, and generally reaches 14 to 18 liters/minute under the water pressure of 0.2MPa and reaches 15 to 23 liters/minute under the water pressure of 0.3 MPa. Most of the water supply pressures are greater than 0.1MPa, even greater than 0.2MPa, so that the actual flow of the water faucet is greater than the appropriate water flow (for most water using modes, the optimal flow of the water faucet is 6-8L/min), a serious overpressure outflow phenomenon exists, and waste of water resources is caused.
The conventional explosion-proof device generally reduces the flow rate by reducing the opening degree of a switch, and does not have a function of automatically adjusting the flow rate according to the pressure at any time. If the water flow is too large and the combined cross-sectional area of the water spray holes is too small, the shower nozzle, especially the top shower, can generate too large pressure in the shower nozzle, thereby causing the shower nozzle to burst. If the water inflow of the water heater is too large, the water temperature is not easy to reach the preset standard, and therefore the waste of the water flow in the early stage is caused.
Similarly, there are similar problems in controlling fluids such as oil and gas.
Therefore, it is necessary to provide a dynamic constant-flow explosion-proof valve capable of automatically adjusting the flow rate according to the pressure change so as to prevent the flow rate from exceeding the requirement of the application.
Disclosure of Invention
The utility model aims at: the dynamic constant-flow explosion-proof valve can automatically adjust the flow according to the pressure change so as to prevent the flow from far exceeding the application requirement.
The technical scheme of the utility model is that: a dynamic constant-current explosion-proof valve comprises a valve seat 1, a spring 2 and a valve core 3, wherein the spring is arranged on the valve seat through the valve core, the valve seat is a hollow cylinder, a separation blade 11 is arranged at the water outlet end of the valve seat, a valve post 12 protruding towards the water inlet end is arranged in the center of the separation blade, a main water channel 13 penetrating through the separation blade is arranged along the center shaft of the valve post, and a plurality of water outlet holes 14 are formed in the separation blade around the main water channel; the outer side of the tail end of the valve column facing the water inlet end is provided with a conical guide platform 15, the tail end of the valve column is provided with equally distributed tearing openings 16, and the tearing openings divide the conical guide platform into a plurality of parallel parts; the valve core 3 comprises a circular valve head and a cylindrical valve rod, a valve core through hole penetrating through the valve head is formed in the center of the valve rod, the valve core is sleeved on the valve post through the valve core through hole in a mode that the valve rod faces the water inlet end, the tail end of the valve rod is supported on the conical guide platform, and the valve core supports the spring on the separation blade.
The diameter of the valve core through hole is larger than the diameter of the conical top of the conical guide platform facing the water inlet end, but smaller than the diameter of the conical bottom of the conical guide platform, and the diameter of the valve core through hole is larger than the outer diameter of the valve column.
The valve seat inner hole of the valve seat inner wall corresponding to the length from the separation blade to the spring when the spring is compressed to the limit is inwards reduced to a cylindrical spring cavity for accommodating the spring, a circle of inverted cone-shaped sealing platform is arranged at the edge of the spring cavity facing the water inlet end, and when the valve core enters the sealing platform, the valve core and the sealing platform can form nested matching to form sealing and cut off water flow between the valve core and the valve seat.
An auxiliary water tank 17 which is concave outwards is arranged in the inner cavity of the valve seat between the water inlet end and the sealing platform, and the cross section of the auxiliary water tank is gradually reduced from the direction of the water inlet end to the direction of the water outlet end until the cross section is zero.
From the sealing platform to the water inlet end of the valve seat, the inner cavity of the valve seat is gradually enlarged.
The valve head is provided with inward sunken positioning grooves at the periphery, correspondingly, positioning columns 18 which are protruded inwards and matched with the positioning grooves are arranged on the inner wall of the valve seat between the sealing platform and the water inlet end, and when the valve core is sleeved on the valve column, the positioning grooves on the valve head enter the corresponding positioning columns. Advantageous effects
1. When the water pressure is low, the force of the water flow is not enough to push the valve core to move towards the water outlet end, the water flow is divided into two parts, one part flows through the main water channel and the other part flows through the auxiliary water channel, when the water pressure is gradually increased, the water flow pushes the valve core to move towards the water outlet end by overcoming the pressure of the spring until the tension of the spring and the pressure of the water form new stability, the length of the auxiliary water channel between the valve body and the valve seat is reduced, namely the opening of the auxiliary water channel is reduced, the diameter of the water supply is similarly reduced, certain pressure loss is formed, and the water flow is reduced;
2. when the water pressure is too high, the valve body is abutted to the sealing platform, the gap between the valve body and the valve seat disappears, the auxiliary water channel is closed, only the main water channel can discharge water, the flow control effect is achieved, the shower nozzle can be effectively prevented from bursting due to the fact that the water pressure is too high, and water saving is facilitated.
Drawings
Fig. 1 is a perspective view of an angle of the present invention;
fig. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is a schematic diagram of the explosion of the present invention;
FIG. 4 is a partial cross-sectional view of the valve seat;
FIG. 5 is a partial cross-sectional view of the present invention;
FIG. 6 is a schematic partial cross-sectional view of the present invention when the water pressure is low;
FIG. 7 is a schematic partial sectional view of the present invention when the water pressure is high;
fig. 8 is a schematic view of the present invention installed in an adapter;
fig. 9 is a partially enlarged view of fig. 8. Detailed Description
As shown in fig. 1 to 9, a dynamic constant-current explosion-proof valve, hereinafter referred to as an explosion-proof valve for short, is composed of a valve seat 1, a spring 2 and a valve core 3, wherein the spring is arranged on the valve seat through the valve core, the valve seat is a hollow cylinder, a baffle plate 11 is arranged at the water outlet end of the valve seat, a valve post 12 protruding towards the water inlet end is arranged at the center of the baffle plate, a main water channel 13 penetrating through the baffle plate is arranged along the central axis of the valve post, and a plurality of water outlet holes 14 are arranged on the baffle plate around the main water channel; the outer side of the tail end of the valve column facing the water inlet end is provided with a conical guide platform 15, the tail end of the valve column is provided with equally distributed tearing openings 16, and the tearing openings divide the conical guide platform into a plurality of parallel parts; the valve core 3 comprises a circular valve head and a cylindrical valve rod, a valve core through hole penetrating through the valve head is formed in the center of the valve rod, the valve core is sleeved on the valve post through the valve core through hole in a mode that the valve rod faces the water inlet end, the tail end of the valve rod is supported on the conical guide platform, and the valve core supports the spring on the separation blade.
During the equipment, with the spring cover on the valve column, overlap the case on the valve column again, make the valve head support on the spring, press the spring on the baffle, the valve rod is towards the end of intaking to support on the awl end of toper guide platform, can not deviate from the valve column.
The diameter of case through-hole be greater than the diameter of toper guide platform towards the conical point of intaking the end, but be less than the diameter at the bottom of the toper guide platform awl, the diameter of case through-hole is greater than the external diameter of valve post, through with the case cover on toper guide platform, apply the strength to the separation blade direction for the valve rod, just can be from the outside to the inside extrusion toper guide platform, thereby the extrusion tear mouth, make toper guide platform shrink inwards, thereby make the case can cross toper guide platform cover on the valve post, toper guide platform resets and blocks the case, make the case can not deviate from the valve post.
An auxiliary water tank 17 which is concave outwards is arranged in the inner cavity of the valve seat from the direction of the water inlet end, the cross section of the auxiliary water tank is gradually reduced from the direction of the water inlet end to the direction of the water outlet end until the cross section is zero, so that water flows into a space between the valve head and the inner wall of the valve seat and the auxiliary water tank between the valve head and the valve seat from a gap between the valve head and the inner wall of the valve seat and flows out from a water outlet hole on the baffle.
The valve seat inner hole of the valve seat inner wall corresponding to the length from the baffle plate to the spring when the spring is compressed to the limit is inwards reduced to a cylindrical spring cavity, and the aperture of the spring cavity is equal to or slightly larger than the diameter of the spring, so that the spring is not easy to displace in the spring cavity. The edge of the spring cavity towards the water inlet end is provided with a circle of inverted cone-shaped sealing platform, when the valve core enters the sealing platform, the valve core and the sealing platform can form nested matching to form sealing, and water flow can not flow out from the water outlet hole.
The auxiliary water tank is arranged on the inner wall of the valve seat from the spring cavity to the water inlet end of the valve seat.
From the spring chamber to the end of intaking of disk seat, the inner chamber of disk seat enlarges gradually.
The valve head is equipped with inside sunken constant head tank all around, and is corresponding, is equipped with inside outstanding and constant head tank assorted reference column 18 towards the inner wall of intaking the end at the disk seat, and on the case cover was on the valve post, the constant head tank on the valve head got into corresponding reference column, prevents that the case from taking place to rotate under the impact of rivers.
The spring is sleeved on the valve column, the valve core is sleeved on the valve column, and the spring is pressed on the wall surface of the separation blade facing the water inlet end, so that the spring is positioned between the water outlet hole and the side wall of the valve seat, and the spring is prevented from blocking the water outlet hole. Set up separation blade spring groove on the separation blade, correspond the position on the valve head and set up valve head spring groove, make the one end of spring be located separation blade spring groove, the other end is located valve head spring groove, makes the difficult emergence beat of spring, can only be compressed or reset. The apopore is located the separation blade between spring hole and the valve column, avoids being blocked by the spring.
The explosion-proof valve is provided with two water supply channels, wherein one water supply channel is a main water channel which is always in an open state, and the other water supply channel is an auxiliary water channel which can be automatically adjusted along with the change of water pressure. The auxiliary water channel is a water channel formed by a gap between the valve core and the valve seat, the auxiliary water channel, the spring cavity and the water outlet hole.
In the initial state, the spring is free length. When the water supply pressure is low, the water supply quantity of the main water channel can not meet the water demand, the water supply quantity needs to be increased through the auxiliary water channel, when the water supply pressure is high, the water supply quantity of the main water channel is increased, but the valve core moves to reduce or even close the opening of the auxiliary water channel, so that the water supply of the auxiliary water channel is reduced or even no water is supplied, and the water quantity passing through is close to be constant.
The explosion-proof valve produces certain pressure loss to high-pressure water supply with different pressures to form water supply with relatively stable water yield, when the water pressure is small, the force of the water flow is not enough to push the valve core to move towards the water outlet end, the water flow is divided into two parts, one part flows through the main water channel and the other part flows through the auxiliary water channel, when the water pressure is gradually increased, the water flow pushes the valve core to move towards the water outlet end by overcoming the pressure of the spring until the tension of the spring and the pressure of the water form new stability, the gap between the valve core and the valve seat is reduced, namely the opening degree of the auxiliary water channel is reduced, the diameter of the water supply is similarly reduced, certain pressure loss is formed, and the water flow is reduced; when the water pressure is too high, the valve head enters the sealing platform and forms nested sealing, a gap between the valve head and the valve seat disappears, the auxiliary water channel is closed, only the main water channel can discharge water, and therefore the flow control effect is achieved.
The explosion-proof valve is arranged at the water inlet end of the shower nozzle, so that the water quantity flowing into the inner cavity of the shower nozzle can be automatically adjusted, and the shower nozzle is prevented from being exploded due to the fact that the water pressure of the inner cavity is too large and the shower nozzle is caused to be exploded due to the fact that the total area of the spray holes is smaller. In a similar way, the explosion-proof valve can also be arranged at the water inlet end of the faucet, the water yield of the faucet is automatically adjusted, and the waste caused by the overlarge water yield of the faucet is avoided.
When the anti-explosion valve is installed, the anti-explosion valve is plugged into a water outlet of a pipeline or a connecting valve in a mode that the valve plate faces the water outlet end, the diameter of the baffle is larger than the aperture of the water outlet but smaller than the outer diameter of the water outlet, and then the faucet or the shower nozzle is screwed onto the water outlet, so that water can flow into the faucet or the shower nozzle only through the anti-explosion valve.
Similarly, the water inlet end of the water heater is also beneficial to keeping the water quantity flowing through the water heater relatively stable.
The above embodiments are only used for illustrating and explaining the utility model, and are not intended to limit the present invention, and those skilled in the art can make various changes or substitutions within the scope of the present invention, and shall also belong to the protection scope of the present invention.
Claims (6)
1. A dynamic constant-flow explosion-proof valve is characterized in that: the valve consists of a valve seat (1), a spring (2) and a valve core (3), wherein the spring is arranged on the valve seat through the valve core; the valve seat is a hollow cylinder, a baffle plate (11) is arranged at the water outlet end of the valve seat, a valve post (12) protruding towards the water inlet end is arranged in the center of the baffle plate, a main water channel (13) penetrating through the baffle plate is arranged along the central shaft of the valve post, and a plurality of water outlet holes (14) are formed in the baffle plate around the main water channel; the outer side of the tail end of the valve column facing the water inlet end is provided with a conical guide platform (15), the tail end of the valve column is provided with tearing openings (16) which are evenly distributed, and the tearing openings divide the conical guide platform into a plurality of parallel parts; case (3) including circular shape valve head and columniform valve rod, the valve rod center is equipped with the case through-hole that runs through the valve head, the case passes through the case through-hole cover on the valve column according to the mode that the valve rod was held towards intaking, makes the end of valve rod support on toper guide platform, makes the case support the spring on the separation blade.
2. The explosion proof valve as defined in claim 1 wherein: the diameter of the valve core through hole is larger than the diameter of the conical top of the conical guide platform facing the water inlet end, but smaller than the diameter of the conical bottom of the conical guide platform, and the diameter of the valve core through hole is larger than the outer diameter of the valve column.
3. The explosion proof valve as defined in claim 1 wherein: the valve seat inner hole of the valve seat inner wall corresponding to the length from the separation blade to the spring when the spring is compressed to the limit is inwards reduced to a cylindrical spring cavity for accommodating the spring, a circle of inverted cone-shaped sealing platform is arranged at the edge of the spring cavity facing the water inlet end, and when the valve core enters the sealing platform, the valve core and the sealing platform can form nested matching to form sealing and cut off water flow between the valve core and the valve seat.
4. The explosion proof valve of claim 3 wherein: an auxiliary water tank (17) which is sunken outwards is arranged in an inner cavity of the valve seat between the water inlet end and the sealing platform, and the cross section of the auxiliary water tank is gradually reduced from the direction of the water inlet end to the direction of the water outlet end until the cross section is zero.
5. The explosion proof valve of claim 3 wherein: from the sealing platform to the water inlet end of the valve seat, the inner cavity of the valve seat is gradually enlarged.
6. The explosion proof valve of claim 3 wherein: the valve head is provided with inward sunken positioning grooves at the periphery, correspondingly, positioning columns (18) which are protruded inwards and matched with the positioning grooves are arranged on the inner wall of the valve seat between the sealing platform and the water inlet end, and when the valve core is sleeved on the valve column, the positioning grooves on the valve head enter the corresponding positioning columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577536.3U CN214119063U (en) | 2020-11-10 | 2020-11-10 | Dynamic constant-flow explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577536.3U CN214119063U (en) | 2020-11-10 | 2020-11-10 | Dynamic constant-flow explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214119063U true CN214119063U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022577536.3U Active CN214119063U (en) | 2020-11-10 | 2020-11-10 | Dynamic constant-flow explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214119063U (en) |
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2020
- 2020-11-10 CN CN202022577536.3U patent/CN214119063U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221123 Address after: No. 58, Shanfeng Road, Shanyang Town, Jinshan District, Shanghai, 201500 Patentee after: SHANGHAI CHAOTIAN INDUSTRIAL CO.,LTD. Address before: No.805, area D, Liunan community, Pulian Road, Liucheng office, Nan'an City, Quanzhou City, Fujian Province Patentee before: NANAN LIDI HOME SUPPLIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |