CN214008198U - Water flow stabilizing valve and gas water heater using same - Google Patents
Water flow stabilizing valve and gas water heater using same Download PDFInfo
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- CN214008198U CN214008198U CN202022195843.5U CN202022195843U CN214008198U CN 214008198 U CN214008198 U CN 214008198U CN 202022195843 U CN202022195843 U CN 202022195843U CN 214008198 U CN214008198 U CN 214008198U
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Abstract
The utility model relates to a water flow stabilizing valve and a gas water heater using the same, wherein the water flow stabilizing valve comprises a pipe body, the bottom of the pipe body is provided with a water inlet, and the top is provided with a water outlet; the valve core is vertically arranged in the pipe body, a water passing channel which is penetrated up and down is arranged on the valve core, and an area between the top of the valve core and the top wall of the pipe body is a water passing area through which water can flow; the plate body is sleeved on the valve core and is relatively fixed with the valve core, the plate body is arranged close to the water inlet, and the plate body can move upwards relative to the valve body under the action of water flow; the elastic piece acts on the plate body to keep the plate body in a downward moving trend; the sealing washer is located between the periphery wall of plate body and the internal perisporium of body, set up the ring channel that extends along its circumference on the sealing washer, the transversal type of personally submitting of sealing washer for the sealing washer has great deflection, and is little with the frictional force between the body, guarantees that the plate body can be smooth to the body removal.
Description
Technical Field
The utility model relates to a current stabilizer, concretely relates to gas heater of discharge flow stabilizing valve and applied this valve.
Background
The water flow stabilizing device is arranged in the water channel system of the gas water heater, so that the problem of fluctuation of hot water outlet temperature caused by water flow fluctuation can be effectively solved, and the experience of a user in using the gas water heater is improved. 5.2.2.4.6 requirement in GB6932-2015 household gas instantaneous water heater: the waterway system is provided with a flow stabilizing or flow adjusting device. Along with the continuous increase of high-rise buildings, the water pressure condition of a user's home is more and more complicated, and the water pressure of some districts is large, and the water pressure fluctuation is large, so that certain trouble is brought to the use of the existing gas water heater. The developed flow stabilizer convenient to adjust can effectively solve the problem that the outlet water temperature of the gas water heater used in different water pressure areas fluctuates greatly.
In order to solve the problems, a water flow stabilizer is disclosed in the utility model with the patent number CN201621097774.1 (with the publication number CN 206130229U), which comprises a shell with an inner shell water channel, and an upper seat, a positioning seat, a valve core, a spring and a lower seat which are respectively arranged in the shell water channel, wherein the valve core is provided with a valve core water channel, the valve core passes through the positioning seat and is hung on the top of the positioning seat, the positioning seat is fixed on the upper seat, the upper seat is fixed in the shell water channel and is in sealed fit with the inner wall of the shell water channel, the upper seat is provided with an upper seat limiting block and an upper seat water outlet, the upper seat limiting block is transversely arranged on the moving path of the valve core and is arranged opposite to the valve core water channel water outlet, the lower seat is fixed on the lower part of the valve core, and the spring is sleeved on the periphery of the valve core and two ends of the spring are respectively abutted against the upper seat and the lower seat. This patent adopts a spring, and the reciprocating motion of cooperation hydraulic control valve core realizes the stability of discharge.
However, the current stabilizer has the following defects: the lower seat (equivalent to a plate body hereinafter) can move relative to the shell (equivalent to a tube body hereinafter), so that a gap is formed between the outer peripheral wall of the lower seat and the inner peripheral wall of the shell, water can flow through the gap between the outer peripheral wall of the lower seat and the inner peripheral wall of the shell, and the precision of the stable flow is not high enough; in addition, the mounting position of the valve element of this patent is not adjustable, which does not enable the initial choke point of the flow stabilizer to be adjusted as desired.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem to provide a water flow steady flow valve that improves the stationary flow precision through the clearance between the internal perisporium of the periphery wall that reduces the plate body and the body to the current situation of prior art.
The utility model aims to solve the second technical problem to provide a water flow stabilizing valve that can reduce the clearance between the periphery wall of plate body and the internal perisporium of body, still can not influence the relative body of plate body and remove to prior art's current situation.
The utility model aims to solve the third technical problem to provide a gas heater who uses above-mentioned discharge steady flow valve to prior art's current situation.
The utility model provides a technical scheme that above-mentioned first and second technical problem adopted is: a water flow stabilizing valve comprises
The water inlet is formed in the bottom of the pipe body, and the water outlet is formed in the top of the pipe body;
the valve core is vertically arranged in the pipe body, a water passing channel which is penetrated up and down is arranged on the valve core, and an area between the top of the valve core and the top wall of the pipe body is a water passing area through which water can flow;
the plate body is sleeved on the valve core and is relatively fixed with the valve core, the plate body is arranged close to the water inlet, and the plate body can move upwards relative to the valve body under the action of water flow;
the elastic piece acts on the plate body to keep the plate body in a downward moving trend;
it is characterized by also comprising
The sealing washer is located between the periphery wall of plate body and the internal perisporium of body, set up the ring channel that extends along its circumference on the sealing washer, the transversal U type of personally submitting of sealing washer.
Simple structure ground, the storage tank has been seted up on the periphery wall of plate body, the storage tank is arranged in to the sealing washer, just the tip of sealing washer contacts with the internal perisporium of body. The sealing ring is simple in structure, soft, large in deformation force and small in friction force with the inner peripheral wall of the pipe body, and the movement of the plate body cannot be influenced.
In order to position the valve core, a support fixed relative to the valve core is arranged in the pipe body, the support is located above the plate body, and the upper portion of the valve core can be placed on the support, so that the valve core is positioned.
Preferably, the elastic element is a spring, and two ends of the elastic element respectively abut against the bracket and the plate body.
In order to adjust the spring pretightening force of the elastic piece, the lower part of the valve core is provided with a thread part, the thread part is in threaded connection with a locking nut, and the locking nut is abutted against the bottom wall of the plate body. The pretightening force of the elastic piece can be changed by adjusting the position of the valve core connected with the locking nut, so that the initial flow stabilizing point of the flow stabilizing valve can be changed according to different requirements.
In order to facilitate the fixed setting of support in the body, the support is cyclic annular, and the longitudinal section of support is the U type of inversion, and the fretwork hole has been seted up at the top of support, and is equipped with the convex part that can offset with the inner wall of body on the periphery wall of support. The support can produce certain elastic deformation like this, through the interference fit of support and body, comes support fixed mounting in the body.
In order to balance the pressure on the two sides of the plate body, a through hole penetrating through the wall thickness of the valve core is formed in the peripheral wall of the valve core. A cavity is formed between the inner peripheral wall of the support, the plate body, the inner peripheral wall of the tube body and the outer peripheral wall of the valve core, water in the cavity can be discharged from the through hole, and the phenomenon that the dead water exists in the cavity and the plate body cannot move is prevented.
In order to guide the moving track of the valve core, at least two convex blocks are arranged on the inner peripheral wall of the upper part of the pipe body along the circumferential direction, and the outer peripheral wall of the upper part of the valve core is abutted against the convex blocks. The projection plays a guiding role.
Preferably, the top wall surface of the valve core is an inclined surface inclined towards the central line of the water channel from top to bottom so as to reduce disturbance to water flow.
Preferably, the top of the valve core can be abutted against the top wall of the pipe body, and water in the valve core cannot flow to the water outlet basically at the moment.
The utility model provides a technical scheme that above-mentioned third technical problem adopted does: the utility model provides an use gas heater of above-mentioned discharge steady flow valve which characterized in that: the water inlet pipe is communicated with the water inlet side of the heat exchanger in a fluid mode, and the water outlet of the pipe body is communicated with the water inlet end of the water inlet pipe in a fluid mode.
Compared with the prior art, the utility model has the advantages that: the utility model has the advantages that the sealing ring is arranged between the plate body and the pipe body, the sealing ring plays a sealing role, water is prevented from flowing in from the gap between the outer peripheral wall of the plate body and the inner peripheral wall of the pipe body, and the precision of the steady flow of the flow stabilizing valve is improved; in addition, the annular groove is formed in the sealing ring, so that the sealing ring has large deformation, the friction force between the sealing ring and the pipe body is small, the plate body can move smoothly relative to the pipe body, the valve core is driven to move, the distance between the top of the valve core and the top wall of the pipe body is changed (namely the area of a water passing area is changed), the water flow is adjusted, and the purpose of stabilizing the flow is achieved.
Drawings
Fig. 1 is a schematic structural view of a water flow stabilizing valve of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic structural view of the stent of FIG. 3;
fig. 5 is a schematic structural view of a gas water heater using the flow stabilizing valve of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, the gas water heater of the preferred embodiment includes a heat exchanger 6, a water inlet pipe 61, a water outlet pipe 62, a water flow stabilizing valve a and a water inlet joint 63, wherein the water inlet side of the heat exchanger 6 is communicated with the water inlet pipe 61, and the water outlet side of the heat exchanger 6 is communicated with the water outlet pipe 62.
The water flow stabilizing valve comprises a pipe body 1, a valve core 2, a plate body 3, an elastic piece 4, a support 5 and a sealing ring 31, wherein the lower end of the pipe body 1 is open to form a water inlet 11, a water outlet 12 capable of being in fluid communication with the water inlet 11 is formed in the top wall of the pipe body 1, the water inlet 11 in the pipe body 1 is in fluid communication with a water inlet joint 63, and the water outlet 12 in the pipe body 1 is in fluid communication with the water inlet end of a water inlet pipe 61. The water inlet fitting 63 may be of a prior art construction, as shown in CN 202010011140.4.
The valve core 2 is vertically arranged in the pipe body 1, the valve core 2 can move up and down relative to the pipe body 1, the top of the valve core 2 can move up to be abutted against the top wall of the pipe body 1, and at the moment, water in the valve core 2 cannot flow to the water outlet 12 basically. At least two convex blocks 13 are arranged on the inner peripheral wall of the upper part of the tube body 1 along the circumferential direction, the outer peripheral wall of the upper part of the valve core 2 is abutted against the convex blocks 13, and the convex blocks 13 play a role in guiding the moving track of the valve core 2.
The valve core 2 is provided with a water passing channel 21 which is through up and down, the top wall surface of the valve core 2 is an inclined surface 211 which inclines towards the central line of the water passing channel 21 from top to bottom, and the area between the top of the valve core 2 and the top wall of the pipe body 1 is a water passing area 24 which can be used for water to flow through. The plate body 3 is sleeved on the valve core 2 and is relatively fixed between the valve core 2 and the valve core through threaded connection, the lower portion of the valve core 2 is provided with a threaded portion 20, the threaded portion 20 is in threaded connection with a locking nut 22, and the locking nut 22 abuts against the bottom wall of the plate body 3. The plate body 3 is horizontally arranged and close to the water inlet 11, and the plate body 3 can move upwards relative to the pipe body 1 under the action of water flow.
A sealing ring 31 is arranged between the peripheral wall of the plate body 3 and the inner peripheral wall of the tube body 1, and an annular groove 311 extending along the peripheral direction of the sealing ring 31 is arranged on the sealing ring. In this embodiment, the outer peripheral wall of the plate body 3 is provided with an accommodating groove 32, the sealing ring 31 is disposed in the accommodating groove 32, the annular groove 311 radially penetrates through the side wall of the sealing ring 31 along the sealing ring 31, specifically, the longitudinal section of the sealing ring 31 is in an inverted U shape to form the annular groove 311, of course, the longitudinal section of the sealing ring may also be in a V shape, a C shape, or the like, and the end portion of the sealing ring 31 contacts with the inner peripheral wall of the pipe body 1. Thus, the seal ring 31 is not only simple in structure, but also flexible and large in deformation force, and has a small friction force with the inner peripheral wall of the pipe body 1, so that the movement of the plate body 3 is not affected.
The valve element 2 has a through hole 23 formed in the peripheral wall thereof. Form cavity an between support 5, plate body 3, the 1 internal perisporium of body and the 2 periphery walls of case, can unload the water in the cavity an from through-hole 23, prevent that the cavity is interior to be the stagnant water, plate body 3 can't remove, and through-hole 23 plays the effect of the pressure of balanced plate body 3 both sides.
A support 5 is arranged in the pipe body 1, the support 5 is positioned above the plate body 3, and the upper part of the valve core 2 can be placed on the support 5, so that the valve core 2 is positioned. In this embodiment, the support 5 is annular, the longitudinal section of the support 5 is an inverted U-shaped, the top of the support 5 is provided with a hollow hole 51, and the outer peripheral wall of the support 5 is provided with a convex portion 52 capable of abutting against the inner wall of the tube body 1. Therefore, the bracket 5 can generate certain elastic deformation, and the bracket 5 is fixedly arranged in the pipe body 1 through the interference fit of the bracket 5 and the pipe body 1.
The elastic member 4 acts on the plate body 3, and in this embodiment, the elastic member 4 is a spring, and two ends of the spring respectively abut against the bracket 5 and the plate body 3, so that the plate body 3 keeps a downward movement tendency. The pretightening force of the elastic part 4 can be changed by adjusting the position of the valve core 2 connected with the locking nut 22, so that the initial flow stabilizing point of the flow stabilizing valve can be changed according to different requirements.
The working principle of the water flow stabilizing valve of the embodiment is as follows:
when the water pressure at the water inlet 11 is increased, the valve core 2 moves upwards, the area of the water passing area 24 is reduced, and the increase of water flow is inhibited; similarly, when the water pressure at the water inlet 11 is reduced, the valve core 2 moves downwards under the action of the elastic element 4, the area of the water passing area 24 is increased, the reduction of the water flow is inhibited, and therefore a certain flow stabilizing effect is achieved.
The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.
Claims (10)
1. A water flow stabilizing valve comprises
The water-saving pipe comprises a pipe body (1), wherein a water inlet (11) is formed in the bottom of the pipe body (1), and a water outlet (12) is formed in the top of the pipe body;
the valve core (2) is vertically arranged in the pipe body (1), a water passing channel (21) which is through up and down is formed in the valve core (2), and a water passing area (24) through which water can flow is formed in an area between the top of the valve core (2) and the top wall of the pipe body (1);
the valve core (2) is sleeved with the plate body (3), the valve core (2) and the plate body are relatively fixed, the plate body (3) is arranged close to the water inlet (11), and the plate body (3) can move upwards relative to the pipe body (1) under the action of water flow;
the elastic piece (4) acts on the plate body (3) to keep the plate body (3) in a downward moving trend;
it is characterized by also comprising
Sealing washer (31), locate between the internal perisporium of the periphery wall of plate body (3) and body (1), set up ring channel (311) along its circumference extension on sealing washer (31), the transversal U-shaped of personally submitting of sealing washer (31).
2. The water flow stabilizing valve according to claim 1, wherein: the outer peripheral wall of the plate body (3) is provided with a containing groove (32), the sealing ring (31) is arranged in the containing groove (32), and the end part of the sealing ring (31) is contacted with the inner peripheral wall of the pipe body (1).
3. The water flow stabilizing valve according to claim 1, wherein: the valve core is characterized in that a support (5) fixed relative to the pipe body (1) is arranged in the pipe body (1), the support (5) is located above the plate body (3), and the upper portion of the valve core (2) can be placed on the support (5).
4. The water flow stabilizing valve according to claim 3, wherein: the elastic piece (4) is a spring, and two ends of the elastic piece are respectively propped against the support (5) and the plate body (3).
5. The water flow stabilizing valve according to claim 4, wherein: the lower part of the valve core (2) is provided with a thread part (20), the thread part (20) is in threaded connection with a locking nut (22), and the locking nut (22) is abutted against the bottom wall of the plate body (3).
6. The water flow stabilizing valve according to claim 3, wherein: support (5) are cyclic annular, and the longitudinal section of support (5) is the U type of inversion, and fretwork hole (51) have been seted up at the top of support (5), and are equipped with on the periphery wall of support (5) can offset convex part (52) with the inner wall of body (1).
7. The water flow stabilizing valve according to claim 3, wherein: the peripheral wall of the valve core (2) is provided with a through hole (23) penetrating the wall thickness.
8. The water flow stabilizing valve according to claim 1, wherein: at least two convex blocks (13) are arranged on the inner peripheral wall of the upper part of the pipe body (1) along the circumferential direction, and the outer peripheral wall of the upper part of the valve core (2) is abutted to the convex blocks (13).
9. The water flow stabilizing valve according to claim 1, wherein: the top wall surface of the valve core (2) is an inclined surface (211) which is inclined towards the central line of the water channel (21) from top to bottom.
10. A gas water heater applying the water flow stabilizing valve as claimed in any one of claims 1 to 9, is characterized in that: the water pipe is characterized by further comprising a heat exchanger (6) and a water inlet pipe (61) communicated with the water inlet side of the heat exchanger (6) in a fluid mode, and a water outlet (12) of the pipe body (1) is communicated with the water inlet end of the water inlet pipe (61) in a fluid mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022195843.5U CN214008198U (en) | 2020-09-29 | 2020-09-29 | Water flow stabilizing valve and gas water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022195843.5U CN214008198U (en) | 2020-09-29 | 2020-09-29 | Water flow stabilizing valve and gas water heater using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008198U true CN214008198U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022195843.5U Active CN214008198U (en) | 2020-09-29 | 2020-09-29 | Water flow stabilizing valve and gas water heater using same |
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| Country | Link |
|---|---|
| CN (1) | CN214008198U (en) |
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2020
- 2020-09-29 CN CN202022195843.5U patent/CN214008198U/en active Active
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