CN210739392U - Manual-automatic water replenishing valve and water heater - Google Patents
Manual-automatic water replenishing valve and water heater Download PDFInfo
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- CN210739392U CN210739392U CN201921640815.0U CN201921640815U CN210739392U CN 210739392 U CN210739392 U CN 210739392U CN 201921640815 U CN201921640815 U CN 201921640815U CN 210739392 U CN210739392 U CN 210739392U
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- valve
- manual
- valve body
- valve rod
- spring
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Abstract
The utility model discloses a manual-automatic water replenishing valve, which comprises a valve body, including the valve rod in the valve body, valve rod and valve body sliding connection, the fixed case that is equipped with on the valve rod, be equipped with the spring between valve rod and the valve body, the valve rod stretches out the valve body, the valve body is equipped with manual lid outward, manual lid and valve body swing joint, manual lid covers the valve rod, manual lid can promote the valve rod and remove. The utility model discloses a set up a manual lid outside the valve body, when case and spring break down, drive the valve stem through manual lid and drive the case and remove to realize manual moisturizing's effect. Simultaneously, the utility model also provides a water heater using the water replenishing valve.
Description
Technical Field
The utility model relates to a water supply valve used in the field of water heaters, in particular to a water supply valve used in a water heater.
Background
The water replenishing valve used by the traditional gas heating water heater can only realize water replenishing on a gas heating water heater system through manual observation and manual operation. When a user is not at home or does not observe that the water pressure of the heating system is insufficient in time, the heating system generates a water shortage fault or an overheating fault to cause the machine to stop running. Aiming at the defects, two automatic water replenishing valves appear in the prior art, namely an electric driving mode and a mechanical mode.
Firstly, in an electric driving mode, 2 pressure sensors and 1 electric valve are needed, the number of designed parts is large, and when any part fails, the water replenishing valve cannot normally operate, even accidents such as dry burning are caused; the mechanical mode generally adopts the resultant force of heating water pressure and spring elasticity to push the valve element to move, has small driving force, influences the normal work of the gas heating stove in case the scale deposit card is dead, and in case the card is dead in case the water supply valve is dead in addition, the user can't solve by oneself, can only change the valve body, has influenced the normal use of user's water heater.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provided is a water replenishing valve which can be integrated manually and automatically.
The utility model provides a solution of its technical problem is: the utility model provides a manual-automatic water replenishing valve, includes the valve body, include the valve rod in the valve body, valve rod and valve body sliding connection, the fixed case that is equipped with on the valve rod, be equipped with the spring between valve rod and the valve body, the valve rod stretches out the valve body, the valve body is equipped with manual lid outward, manual lid and valve body swing joint, manual lid cover the valve rod, manual lid can promote the valve rod and remove.
The utility model has the advantages that: the utility model discloses a set up a manual lid outside the valve body, when case and spring break down, drive the valve stem through manual lid and drive the case and remove to realize manual moisturizing's effect.
As a further improvement of the above technical solution, the manual cover is in threaded connection with the valve body, and the manual cover includes an inner surface located above the valve stem. Through rotatory manual lid, can make manual lid reciprocate relatively the valve body, when manual lid lapse, the valve rod is pressed downwards to the messenger.
As a further improvement of the technical scheme, the top of the valve rod comprises an external thread section, a screw hole is formed in the outer surface of the manual cover, and the top of the valve rod is in threaded connection with the screw hole of the manual cover. The screw hole on the outer surface of the manual cover is connected with the thread section of the valve cover, so that the manual cover and the valve cover can be installed together, and the valve rod can be driven by directly operating the manual cover.
As a further improvement of the technical scheme, the valve body comprises a water inlet cavity, a transition cavity and a water outlet cavity, the valve core is installed between the water inlet cavity and the transition cavity, and a one-way valve is arranged between the transition cavity and the water outlet cavity. The valve core and the one-way valve can realize one-way water supplement of cold water.
As a further improvement of the technical scheme, an elastic adjusting cap is further arranged in the valve body and is in threaded connection with the valve body, one end of the spring is abutted against the valve rod, and the other end of the spring is abutted against the elastic adjusting cap. By means of the spring force adjusting cap, the precompression of the spring can be adjusted, so that the opening pressure required for water replenishment can be adjusted.
As a further improvement of the technical scheme, an elastic diaphragm is fixedly arranged on the valve rod and is positioned in a transition cavity, the elastic diaphragm is connected with the valve body in a sealing mode, one end of the spring is abutted to the upper surface of the elastic diaphragm, and the transition cavity is positioned below the elastic diaphragm.
As a further improvement of the technical scheme, the bottom of the valve rod is positioned in the water inlet cavity, and the surface area of the bottom of the valve rod is the same as that of the valve core. The surface area of the bottom of the valve rod is set to be the same as that of the valve core, so that the problem of abnormal opening of the valve core caused by pressure fluctuation of the water inlet end can be avoided.
As a further improvement of the technical scheme, the check valve comprises a check valve core, a second spring and a clamp spring, the clamp spring is connected with the valve body, one end of the second spring is abutted against the check valve core, and the other end of the second spring is abutted against the clamp spring.
As a further improvement of the technical scheme, a sealing ring is arranged in front of the valve rod and the valve body, and the sealing ring is of a hoof-shaped structure. The sealing ring and the matched valve rod section are arranged into a hoof-shaped structure, so that the valve rod can only move linearly up and down when moving and cannot rotate, and the service life of the water replenishing valve is prolonged.
Simultaneously, the utility model also provides a water heater using the water replenishing valve.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a cross-sectional view of state one of the present invention;
fig. 2 is a cross-sectional view of a second state of the present invention;
FIG. 3 is a force analysis diagram of the valve stem of the present invention;
fig. 4 is a cross-sectional view of the seal ring and the valve stem of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. The preferred embodiment of the present invention is shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution. Meanwhile, all technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, a manual-automatic water supply valve, includes valve body 1, including valve rod 2 in the valve body 1, valve rod 2 and valve body 1 sliding connection, the fixed case 3 that is equipped with on the valve rod 2, be equipped with spring 4 between valve rod 2 and the valve body 1, valve rod 2 stretches out valve body 1, valve body 1 is equipped with manual lid 5 outward, manual lid 5 and valve body 1 swing joint, manual lid 5 covers valve rod 2, manual lid 5 can push away valve rod 1 and remove.
The water replenishing valve provided by the embodiment comprises an automatic control mode and a manual control mode. Under normal conditions, the water replenishing valve is in an automatic control mode. Under the automatic control mode, the same as the existing mechanical automatic water replenishing valve, the valve core is pushed to move by adopting the resultant force of the heating water pressure and the elastic force of the spring, so that the opening and closing of the water replenishing valve are realized. When a manual control mode is needed, the manual cover is directly driven by hand to cover the valve rod to move, and therefore the action of the valve core is achieved.
Further as a preferred embodiment, the manual cap 5 is screwed with the valve body 1, and the manual cap 5 includes an inner surface located above the valve stem 2.
In some embodiments, the manual cover 5 and the valve body 1 may also be connected in a sliding manner. The movement of the valve cap 2 is driven by directly pressing the manual cap 5.
Referring to fig. 2, further as a preferred embodiment, the top of the valve stem 2 comprises an external thread section 21, the outer surface of the manual cap 5 is provided with a screw hole 51, and the top of the valve stem 2 is in threaded connection with the screw hole 51 of the manual cap 5. When the case was opened, because the scale deposit is by under the dead condition of card, the spring has lost the effort, case 3 can not reset and close the moisturizing valve, invert through covering 5 with manual this moment, the surface that the surface of manual lid 5 supported the valve body, through covering 5 with manual with valve rod 2 threaded connection together, can pass through setting up stop gear in the valve body this moment, for example valve rod 2 is square mutually supporting scarf joint etc. with the position of being connected of valve body 1, make valve rod 2 can not rotate relative valve body 1, through rotatory manual lid 5 this moment, under threaded connection's effect, valve rod 2 is pulled up, thereby the case is closed the moisturizing valve.
As a further preferable embodiment, the valve body 1 includes a water inlet chamber a, a transition chamber b and a water outlet chamber c, the water inlet chamber a includes an S-shaped chamber wall, a part of the transition chamber b and the water inlet chamber a are overlapped with each other, and a communication port of the transition chamber b and the water inlet chamber a is disposed in the overlapped area. The valve core 3 blocks a communicating opening between the water inlet cavity a and the transition cavity b, and a one-way valve 6 is arranged between the transition cavity b and the water outlet cavity c. The water inlet cavity a is connected with external cold water, and the water outlet cavity c is communicated with the interior of the water heater. When water needs to be supplemented in the hot water furnace, the valve core 3 and the one-way valve 6 are automatically opened, and water flows through the water inlet cavity a, enters the transition cavity b and then enters the hot water furnace from the water outlet cavity c.
In a further preferred embodiment, the valve body 1 is further provided with an elastic force adjusting cap 7, the elastic force adjusting cap 7 is in threaded connection with the valve body 1, one end of the spring 4 abuts against the valve rod, and the other end abuts against the elastic force adjusting cap 7.
Further as a preferred embodiment, an elastic diaphragm 8 is fixedly arranged on the valve rod 2, the elastic diaphragm 8 is located in a transition cavity b, the elastic diaphragm 8 is connected with the valve body 1 in a sealing mode, one end of the spring 4 abuts against the upper surface of the elastic diaphragm, and the transition cavity is located below the elastic diaphragm.
Further as a preferred embodiment, the bottom of the valve rod 2 is positioned in the water inlet cavity, and the surface area of the bottom of the valve rod is the same as that of the valve core.
See fig. 3, as well as fig. 1.
If the upward movement direction of the valve rod 2 is positive, the resultant force F exerted on the valve rod 2 is as shown in the following formula (1)
F＝F2+F4+F5-F1-F3(1)
In the formula F-resultant force
F1Spring force of spring, directed downwards
F2Pressure of water in transition chamber b against elastic diaphragm 8, directed upwards
F3Pressure of water in inlet chamber a on valve core in downward direction
F4Pressure of water in transition chamber b on valve core, direction up
F5Pressure of water in the inlet chamber a on the bottom of the valve cover, directed upwards；
Calculating the spring force of the spring as Hooke's law, wherein the specific formula is shown as the following formula (2);
F＝-Kx (2)
in the formula F-spring force N
K-modulus of elasticity, constant, determined by the material
x-compression of spring
The conversion formula of the water pressure and the pressure is shown in the following formula (3);
F＝PS (3)
in the formula F-pressure
P-pressure intensity
Square meter with S-force area
According to the formula (1), the formula (2) and the formula (3).
The water pressure in the water inlet cavity a, the transition cavity b and the water outlet cavity c is set to be PA、PB、PC；
When the water replenishing valve is automatically closed, the following steps are provided:
FK＝F＝PBS2+PBS4+PAS5-Kx-PAS3(4)
in the formula
S2Is the surface area of the elastic diaphragm;
S3、S4is the surface area of the valve core;
S5is the surface area of the bottom of the valve stem.
Therefore, when S is5＝S3When F is presentBThe water pressure of the area a of the water inlet cavity is not influenced, namely the valve rod 2 moves without being influenced by the water pressure of tap water:
FK＝F＝PB(S2+S4)-Kx (5)
wherein S2、S4K are all constants, FKBy water pressure P onlyBAnd the amount of spring compression is determined when FKWhen the pressure is negative, the valve rod moves downwards, and the water replenishing valve is opened; namely, the opening pressure of the water replenishing valve can be adjusted by the compression amount of the adjusting spring 4, namely, the elastic force adjusting cap 7 of the water replenishing valve is adjusted, and when the elastic force adjusting cap 7 is rotated, the water replenishing valve is bouncedThe force adjustment cap can be moved up and down in the valve body 1 to adjust the amount of precompression of the spring.
When the water replenishing valve is opened, the following steps are provided:
FB＝F＝PBS2+PBS4+PAS5-Kx-PAS3′ (6)
FB＝F＝PB(S2+S4)+PA(S5-S3′)-Kx (7)
when F is presentBWhen the valve rod is in right time, the valve rod moves upwards, and the water replenishing valve is closed;
when S is5＝S3In the meantime, as shown in fig. 1, when S3' is ≧ S3 ≧ S5, and the second term in equation 7 is negative, the water pressure for the transition chamber b is: the opening critical water pressure is less than or equal to the closing critical water pressure.
Further, in a preferred embodiment, the check valve 6 includes a check valve body 61, a second spring 62, and a snap spring 63, the snap spring 63 is connected to the valve body 1, and one end of the second spring 62 abuts against the check valve body 61 and the other end abuts against the snap spring 63. Through jump ring 63, make things convenient for the dismouting of check valve 6.
Referring to fig. 4, in a further preferred embodiment, a sealing ring 9 is arranged between the valve rod 2 and the valve body 1, and the sealing ring 9 is of a horseshoe structure.
Simultaneously, the utility model also provides a water heater using the water replenishing valve. The water heater adopting the water replenishing valve can avoid dry burning accidents and prolong the service life of the water heater.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a manual-automatic water replenishing valve, includes the valve body, include the valve rod in the valve body, valve rod and valve body sliding connection, the fixed case that is equipped with on the valve rod, be equipped with spring, its characterized in that between valve rod and the valve body: the valve rod stretches out the valve body, a manual cover is arranged outside the valve body and movably connected with the valve body, the manual cover covers the valve rod, and the manual cover can push the valve rod to move.
2. The manual-automatic water replenishing valve according to claim 1, wherein: the manual cover is in threaded connection with the valve body and comprises an inner surface, and the inner surface is located above the valve rod.
3. The manual-automatic water replenishing valve according to claim 2, wherein: the top of valve rod includes the external screw thread section, the surface of manual lid is equipped with the screw, the top of valve rod and the screw threaded connection of manual lid.
4. The manual-automatic water replenishing valve according to claim 1, wherein: the valve body comprises a water inlet cavity, a transition cavity and a water outlet cavity, the valve core is installed between the water inlet cavity and the transition cavity, and a one-way valve is arranged between the transition cavity and the water outlet cavity.
5. The manual-automatic water replenishing valve according to claim 4, wherein: the valve body is also internally provided with an elastic adjusting cap, the elastic adjusting cap is in threaded connection with the valve body, one end of the spring is abutted against the valve rod, and the other end of the spring is abutted against the elastic adjusting cap.
6. The manual-automatic water replenishing valve according to claim 5, wherein: the valve comprises a valve rod, a valve body, a spring, a transition cavity and a valve rod, wherein the valve rod is fixedly provided with an elastic diaphragm, the elastic diaphragm is positioned in the transition cavity and is connected with the valve body in a sealing mode, one end of the spring is abutted to the upper surface of the elastic diaphragm, and the transition cavity is positioned below the elastic diaphragm.
7. The manual-automatic water replenishing valve according to claim 6, wherein: the bottom of the valve rod is positioned in the water inlet cavity, and the surface area of the bottom of the valve rod is the same as that of the valve core.
8. The manual-automatic water replenishing valve according to claim 4, wherein: the check valve comprises a check valve core, a second spring and a clamp spring, the clamp spring is connected with the valve body, one end of the second spring is abutted to the check valve core, and the other end of the second spring is abutted to the clamp spring.
9. The manual-automatic water replenishing valve according to claim 1, wherein: a sealing ring is arranged in front of the valve rod and the valve body, and the sealing ring is of a hoof-shaped structure.
10. A water heater comprising a manual-automatic water replenishing valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640815.0U CN210739392U (en) | 2019-09-27 | 2019-09-27 | Manual-automatic water replenishing valve and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640815.0U CN210739392U (en) | 2019-09-27 | 2019-09-27 | Manual-automatic water replenishing valve and water heater |
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| Publication Number | Publication Date |
|---|---|
| CN210739392U true CN210739392U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640815.0U Expired - Fee Related CN210739392U (en) | 2019-09-27 | 2019-09-27 | Manual-automatic water replenishing valve and water heater |
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| CN (1) | CN210739392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594422A (en) * | 2019-09-27 | 2019-12-20 | 广东万家乐燃气具有限公司 | Manual-automatic water replenishing valve and water heater |
-
2019
- 2019-09-27 CN CN201921640815.0U patent/CN210739392U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594422A (en) * | 2019-09-27 | 2019-12-20 | 广东万家乐燃气具有限公司 | Manual-automatic water replenishing valve and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |