CN114877113B - Prevent frostbite and split valve body and contain its gas heater - Google Patents
Prevent frostbite and split valve body and contain its gas heater Download PDFInfo
- Publication number
- CN114877113B CN114877113B CN202210458427.0A CN202210458427A CN114877113B CN 114877113 B CN114877113 B CN 114877113B CN 202210458427 A CN202210458427 A CN 202210458427A CN 114877113 B CN114877113 B CN 114877113B
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- pipe
- temperature
- clamping
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/136—Defrosting or de-icing; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/305—Control of valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Temperature-Responsive Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses an anti-frost-crack valve body and a gas water heater comprising the same, wherein the anti-frost-crack valve body comprises a first pipe fitting and a second pipe fitting, the outer wall of the first pipe fitting is provided with a clamping part, and the side wall of the second pipe fitting is provided with a clamping part; the clamping piece has a first state and a second state, and can be clamped with the clamping part when the clamping piece is in the first state; when the clamping piece is in the second state, the clamping piece can be in clamping relation with the clamping part; from the in-process that first temperature dropped to the second temperature, joint spare switches over to the second state from first state, and first pipe fitting and second pipe fitting can be kept away from relatively under the exogenic action to realize the space grow of the rivers passageway between first pipe fitting and the second pipe fitting. Under the severe cold condition in winter, when the water temperature is reduced to the second temperature, the volume of the water is increased in the process of forming ice to push the first pipe fitting and the second pipe fitting to be relatively far away, the space of the water flow channel is increased, and the whole water flow channel is prevented from being cracked or frozen.
Description
Technical Field
The invention relates to an anti-frost-crack valve body and a gas water heater comprising the same.
Background
In winter, cold air is in the coming condition to cause the extremely rapid temperature drop, water in a water channel of the gas water heater is frozen due to low temperature, ice blocks expand outwards, the pipeline is easily damaged, the gas water heater is cracked, if a water inlet valve is not found and closed in time, the whole machine is leaked, and the problems of property loss such as water soaking of a floor, electric leakage and the like and safety hazard are caused.
Disclosure of Invention
The invention aims to overcome the defect that pipelines in a gas water heater are easy to frost crack under the severe cold condition in winter in the prior art, and provides an anti-frost crack valve body and a gas water heater comprising the same.
The invention solves the technical problems through the following technical scheme:
the invention provides an anti-frost-crack valve body, which comprises:
the outer wall of the first pipe fitting is provided with a clamping part;
the first pipe fitting is at least partially arranged in the second pipe fitting and is communicated with the second pipe fitting, and a clamping piece is arranged on the side wall of the second pipe fitting;
the clamping piece is provided with a first state and a second state, and when the clamping piece is in the first state, the clamping piece can be clamped with the clamping part, so that the first pipe fitting and the second pipe fitting are relatively fixed; when the clamping piece is in the second state, the clamping piece can be released from the clamping relation with the clamping part, so that the first pipe fitting and the second pipe fitting can move relatively;
from the first temperature in-process that falls to the second temperature, joint spare is followed first state switches over to the second state, joint portion with joint spare removes the joint relation, first pipe fitting with the second pipe fitting can be kept away from relatively under the exogenic action, in order to realize first pipe fitting with the space grow of the rivers passageway between the second pipe fitting.
In this scheme, adopt above-mentioned structural style, under the severe cold condition in winter, when the temperature drops to the second temperature, joint portion and joint spare remove the joint relation, make first pipe fitting and second pipe fitting can relative motion, in case water forms ice, water forms ice process volume grow and promotes first pipe fitting and second pipe fitting and keep away from relatively, the volume of grow can release after water forms ice, rivers passageway space grow between first pipe fitting and the second pipe fitting, thereby prevent that whole rivers passageway from being harmd and splitting or frost crack, and then reduce or avoid appearing the complete machine and leak, the floor bubble water, loss of property such as electric leakage and the condition that threatens safety.
Preferably, the side wall of the second pipe fitting is provided with a through hole and connected with a sleeve, the clamping piece is arranged in the sleeve, and the clamping piece can penetrate through the through hole and is clamped with the clamping portion.
In this scheme, adopt above-mentioned structural style, the joint spare reduces rivers to the erodeing of joint spare in arranging the sleeve in, and then reduces the wearing and tearing that the joint spare received, prolongs the life of joint spare. The through hole that sets up on the sleeve for joint spare can with first pipe fitting joint.
Preferably, the clamping member includes a clamping rod and a first retractable driving member, and the first retractable driving member drives the clamping rod to move along the through hole by being retracted in the process of switching between the first temperature and the second temperature.
In this scheme, adopt above-mentioned structural style, first scalable driving piece changes its flexible volume according to the change of temperature to drive joint pole and move to the direction of keeping away from or being close to joint portion, thereby the joint relation between control card pole and the joint portion, the automated control of being convenient for, easy management.
Preferably, the clamping rod comprises a first rod piece and a second rod piece which are fixed in a crossed mode, the first telescopic driving piece is sleeved on the outer peripheral side of the first rod piece, one end of the first telescopic driving piece is abutted to one end face, deviating from the first pipe fitting, of the second rod piece, and the other end of the first telescopic driving piece is abutted to the inner wall of the sleeve to drive the first rod piece to move along the extending direction of the first rod piece.
In this scheme, adopt above-mentioned structural style, because first member and second member are alternately fixed, the flexible in-process that promotes the second member and remove of first scalable driving piece for first member removes to the direction of keeping away from or being close to the inner wall with first scalable driving piece butt in the sleeve, thereby realizes the cooperation between joint pole and the joint portion, and spatial layout is reasonable, compact, and simple structure, the processing of being convenient for.
Preferably, the first retractable driving member is a first memory alloy elastic member.
In the scheme, by adopting the structural form, in the process of reducing the first temperature to the second temperature, the first memory alloy elastic piece contracts to drive the first rod piece to move towards the direction far away from the clamping part; from the second temperature rise to first temperature, first memory alloy elastic component extension promotes first member and removes to the direction that is close to joint portion, need not through electric drive, adopts mechanical structure, realizes the joint between joint spare and the joint portion and removes the joint relation, and good reliability can play effectual protection during the outage.
Preferably, the second rod is connected to the middle of the first rod, the clamping member further includes a spring sleeved on the outer peripheral side of the first rod, one end of the spring abuts against one end face of the second rod, which is close to the first pipe, and the other end of the spring abuts against the outer wall of the second pipe.
In this scheme, adopt above-mentioned structural style, set up the spring and restrict in order to stretch out the distance of through hole to first member, prevent that first member from stretching out the overlength and damaging first pipe fitting.
Preferably, the outer wall of the first pipe fitting is provided with a groove to form the clamping portion, and the groove is clamped with the clamping rod in a matched mode.
In this scheme, adopt above-mentioned structural style, set up the recess at the outer wall of first pipe fitting, the processing of being convenient for, and form the joint relation through the cooperation between joint pole and the recess, the joint effect is stable.
Preferably, the frost cracking prevention valve body comprises a resetting piece, and in the process of increasing from the second temperature to the first temperature, the resetting piece enables the first pipe fitting and the second pipe fitting to approach each other and return to the initial relative position.
In this scheme, adopt above-mentioned structural style, in the process of rising to first temperature from the second temperature, the piece that resets makes the movable passageway volume between first pipe fitting and the second pipe fitting diminish and get back to initial condition to realize automatic re-setting.
Preferably, the piece that resets includes the scalable driving piece of second, the both ends of the scalable driving piece of second butt respectively first pipe fitting with the second pipe fitting, follow the second temperature rise to the in-process of first temperature, the scalable driving piece of second is through extending in order to realize the relative motion of first pipe fitting with the second pipe fitting.
In this scheme, adopt above-mentioned structural style, according to the change of temperature, the relative motion of first pipe fitting and second pipe fitting is realized through stretching to the scalable driving piece of second for first pipe fitting and second pipe fitting get back to initial relative position in order to realize automatic re-setting.
Preferably, the second retractable driving member is sleeved on the outer peripheral side of the first pipe and is disposed between the first pipe and the second pipe, the outer wall of the first pipe has a first protruding portion, the inner wall of the second pipe has a second protruding portion, and two ends of the second retractable driving member respectively abut against the first protruding portion and the second protruding portion.
In this scheme, adopt above-mentioned structural style, the periphery side of first pipe fitting is located to the scalable driving piece cover of second, the installation of being convenient for, and the scalable driving piece of second is arranged in between the outer wall of first pipe fitting and the inner wall of second pipe fitting, prevents breaking away from of the scalable driving piece of second. In addition, the both ends of the scalable driving piece of second butt first bulge and second bulge respectively are convenient for control the relative position between first pipe fitting and the second pipe fitting to prevent the in-process that first pipe fitting and second pipe fitting kept away from relatively, first pipe fitting breaks away from the second pipe fitting.
Preferably, the second pipe fitting includes a second pipe fitting body and a retainer ring, the retainer ring is connected to an end portion of the second pipe fitting body and is sleeved on an outer peripheral side of the first pipe fitting, and an inner diameter of the retainer ring is smaller than an inner diameter of the second pipe fitting body to form the second protruding portion.
In this scheme, adopt above-mentioned structural style, the components of a whole that can function independently setting of second pipe fitting, the processing of being convenient for, in addition, the damage appears in arbitrary part in second pipe fitting body and the retaining ring, only need change one of them can, save the cost to through installation retaining ring in order to form the second bulge, convenient assembling.
Preferably, the second retractable driving member is a second memory alloy elastic member.
In this scheme, adopt above-mentioned structural style, need not through electric drive, adopt mechanical structure, it is adjustable according to the change of temperature to realize the rivers passageway between first pipe fitting and the second pipe fitting, and the good reliability can play effectual protection during the outage.
Preferably, a sealing ring is arranged between the outer wall of the first pipe fitting and the inner wall of the second pipe fitting.
In this scheme, adopt above-mentioned structural style, prevent that rivers from flowing out from the gap between the outer wall of first pipe fitting and the inner wall of second pipe fitting for prevent frostbite and split the valve body leakproofness good.
The invention also provides a gas water heater, which comprises the anti-frost-crack valve body.
Preferably, the frost crack prevention valve body is connected to a water inlet pipeline, a water outlet is formed in one end, far away from the second pipe, of the first pipe, and a movable connecting pipe is installed between the water outlet and the water inlet pipeline.
In this scheme, adopt above-mentioned structural style, reduce or avoid appearing the water intake pipe and need move about along with the removal of first pipe fitting to the phenomenon that leads to the damage also need not to consider the water intake pipe and reserve bigger assembly space, compact structure under the circumstances that needs its activity.
The positive progress effects of the invention are as follows:
under the severe cold condition in winter, when the water temperature is reduced to the second temperature, the clamping connection between the clamping connection part and the clamping connection part is removed, so that the first pipe fitting and the second pipe fitting can move relatively, once water is frozen, the size of the water is increased in the process of freezing the water to push the first pipe fitting and the second pipe fitting to be away from each other relatively, the increased size of the water is released after the water is frozen, and the space of the water flow channel between the first pipe fitting and the second pipe fitting is increased, so that the whole water flow channel is prevented from being expanded or frozen, and the property loss such as water leakage of the whole machine, water soaking of a floor, electric leakage and the like and the condition of endangering safety are reduced or avoided.
Drawings
Fig. 1 is a schematic structural diagram of a first state of a clamping member in a frost crack prevention valve body according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second state of the snap-in connection member in the frost crack prevention valve body according to the preferred embodiment of the present invention.
Fig. 3 is a schematic view of the installation of the frost crack prevention valve body in the gas water heater according to the preferred embodiment of the present invention.
Description of reference numerals:
First projecting part 12
Second pipe fitting 2
Second pipe fitting body 21
Clamping rod 2111
The first bar 21111
The second stem 21112
First retractable drive 2112
Through hole 212
Sleeve 213
Retaining ring 22
Reset piece 3
Second telescopic drive 31
Movable connecting pipe 6
Detailed Description
The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the following examples.
An embodiment of the present invention provides a frost crack prevention valve body, as shown in fig. 1 and 2. The frost crack prevention valve body comprises a first pipe fitting 1 and a second pipe fitting 2, wherein at least part of the first pipe fitting 1 is arranged in the second pipe fitting 2 and communicated with the second pipe fitting 2, the outer wall of the first pipe fitting 1 is provided with a clamping portion 11, and the side wall of the second pipe fitting 2 is provided with a clamping piece 211. The clamping piece 211 has a first state and a second state, when the clamping piece 211 is in the first state, the clamping piece 211 can be clamped with the clamping part 11, so that the first pipe fitting 1 and the second pipe fitting 2 are relatively fixed; when the clamping piece 211 is in the second state, the clamping piece 211 can release the clamping relationship with the clamping portion 11, so that the first pipe fitting 1 and the second pipe fitting 2 can move relatively. In the process of reducing from first temperature to second temperature, joint piece 211 switches over to the second state from first state, and joint portion 11 and joint piece 211 remove the joint relation, and first pipe fitting 1 and second pipe fitting 2 can be kept away from relatively under the exogenic action to realize the space grow of the rivers passageway between first pipe fitting 1 and the second pipe fitting 2. Wherein the first temperature is that the temperature of water is above 0 ℃, and the second temperature is that the temperature of water is below 0 ℃. When the temperature is at the first temperature, the clamping piece 211 is in the first state, and the relative position between the first pipe fitting 1 and the second pipe fitting 2 is as shown in fig. 1; when the temperature is decreased from the first temperature to the second temperature, the clamping member 211 is switched to the second state, and the relative position between the first pipe 1 and the second pipe 2 is shown in fig. 2. It can be seen that, in the process of reducing the first temperature to the second temperature, the second pipe member 2 and the first pipe member 1 are away from each other, so that the water flow channel between the first pipe member 1 and the second pipe member 2 forms a movable channel, and the space of the movable channel is enlarged.
In this embodiment, under the severe cold condition in winter, when the temperature drops to the second temperature, joint portion 11 and joint piece 211 remove the joint relation, make first pipe fitting 1 and second pipe fitting 2 can relative motion, in case water forms ice, water forms ice process volume grow and promotes first pipe fitting 1 and second pipe fitting 2 and keep away from relatively, the volume of grow can release after water forms ice, rivers passageway space grow between first pipe fitting 1 and the second pipe fitting 2, thereby prevent that whole rivers passageway from being harmd and split or frost crack, and then reduce or avoid appearing the complete machine and leak, the floor bubble water, loss of property such as electric leakage and the condition of endangering safety.
The through hole 212 is opened on the side wall of the second pipe 2 and connected with the sleeve 213, the clamping piece 211 is arranged in the sleeve 213, and the clamping piece 211 can pass through the through hole 212 and be clamped with the clamping part 11. Specifically, the sleeve 213 is connected to the outer wall of the second tube 2, the through hole 212 is communicated with the inner cavity of the sleeve 213, and the clamping member 211 passes through the through hole 212, i.e., the clamping member 211 passes through the side wall of the second tube 2, and is clamped with the clamping portion 11 on the outer wall of the first tube 1. In sleeve 213 is arranged in to joint spare 211, reduce rivers to the washing away of joint spare 211, and then reduce the wearing and tearing that joint spare 211 received, prolong the life of joint spare 211. The through hole 212 is disposed on the sleeve 213, so that the clamp member 211 can be clamped with the first pipe 1.
In this embodiment, the locking member 211 includes a locking rod 2111 and a first retractable driving member 2112, and during the switching between the first temperature and the second temperature, the first retractable driving member 2112 drives the locking rod 2111 to move along the through hole 212 by extension and retraction. In the process of switching between the first temperature and the second temperature, the first retractable driving member 2112 drives the latching rod 2111 to move along the through hole 212 by being retracted. In the process of reducing the temperature from the first temperature to the second temperature, the first telescopic driving member 2112 is affected by the temperature, and the telescopic amount of the first telescopic driving member 2112 changes to drive the clamping rod 2111 connected with the first telescopic driving member to be clamped with the first pipe fitting 1 through the through hole 212, so that the first pipe fitting 1 and the second pipe fitting 2 are relatively fixed; in the process of rising from the second temperature to the first temperature, first scalable driving piece 2112 receives the influence of temperature, and its flexible volume changes, drives joint pole 2111 who is connected rather than keeping away from joint portion 11 for first pipe fitting 1 and second pipe fitting 2 can relative movement. The first retractable driving member 2112 changes its amount of extension according to the change of temperature to drive the clamping rod 2111 to move in the direction away from or close to the clamping portion 11, thereby controlling the clamping relationship between the clamping rod 2111 and the clamping portion 11, facilitating automatic control and easy management.
In this embodiment, the latching bar 2111 includes a first bar 21111 and a second bar 21112 fixed in a crossed manner, the first retractable driving element 2112 is sleeved on an outer peripheral side of the first bar 21111, one end of the first retractable driving element 2112 abuts against an end surface of the second bar 21112, which is away from the first tube 1, and the other end of the first retractable driving element 2112 abuts against an inner wall of the sleeve 213, so as to drive the first bar 21111 to move along an extending direction thereof. Because the first bar 21111 and the second bar 21112 are fixed in an intersecting manner, in the process that the first telescopic driving element 2112 telescopically pushes the second bar 21112 to move, the first bar 21111 moves towards the direction far away from or close to the inner wall, abutted against the first telescopic driving element 2112, in the sleeve 213, so that the matching between the clamping bar 2111 and the clamping portion 11 is realized, the space layout is reasonable and compact, the structure is simple, and the processing is convenient.
The first retractable driving member 2112 is a first memory alloy elastic member. In the process of reducing the temperature from the first temperature to the second temperature, the first memory alloy elastic piece contracts to drive the first rod piece 21111 to move in the direction away from the clamping part 11; when the temperature rises from the second temperature to the first temperature, the first memory alloy elastic piece extends to push the first rod piece 21111 to move towards the direction close to the clamping portion 11, electric drive is not needed, a mechanical structure is adopted, clamping between the clamping piece 211 and the clamping portion 11 is achieved, clamping relation is relieved, reliability is good, and effective protection can be achieved when power is off. Preferably, the first retractable driving member 2112 is a memory alloy spring, which is convenient to process and has good retractable performance.
The second bar 21112 is connected to the middle of the first bar 21111, the locking member 211 further includes a spring 2113 disposed around the outer periphery of the first bar 21111, one end of the spring 2113 abuts against an end surface of the second bar 21112 close to the first tube 1, and the other end of the spring 2113 abuts against an outer wall of the second tube 2. The spring is provided to limit the distance that the first stem 21111 extends through the through hole 212, preventing the first stem 21111 from extending too far and damaging the first tubular member 1. Wherein, the spring can adopt a common spring and can also adopt a memory alloy spring.
Specifically, the first bar 21111 and the second bar 21112 are perpendicular to each other, and the longitudinal direction of the first bar 21111 is aligned with the axial direction of the through-hole 212, so that the first bar 21111 is less likely to be blocked when passing through the through-hole 212. The sleeve 213 has an accommodating cavity at an end away from the first pipe 1 so that the first rod 21111 is prevented from contacting and interfering with the sleeve 213 when the first rod 21111 moves along the length direction thereof, and the space layout is reasonable.
The outer wall of the first pipe fitting 1 is provided with a groove to form a clamping portion 11, and the groove is clamped with the clamping rod 2111 in a matched mode. The outer wall of the first pipe fitting 1 is provided with a groove, so that the processing is convenient, the clamping connection relation is formed by the matching of the clamping connection rod 2111 and the groove, and the clamping connection effect is stable.
The frost crack prevention valve body comprises a resetting piece 3, and in the process of increasing from the second temperature to the first temperature, the resetting piece 3 enables the first pipe fitting 1 and the second pipe fitting 2 to approach each other and return to the initial relative positions. In the process of increasing from the second temperature to the first temperature, the reset piece 3 enables the volume of the movable passage between the first pipe fitting 1 and the second pipe fitting 2 to be reduced and returns to the initial state, so that automatic reset is realized.
The reset piece 3 comprises a second telescopic driving piece 31, two ends of the second telescopic driving piece 31 are respectively abutted to the first pipe fitting 1 and the second pipe fitting 2, and in the process of increasing the second temperature to the first temperature, the second telescopic driving piece 31 is extended to realize the relative movement of the first pipe fitting 1 and the second pipe fitting 2. According to the temperature change, the second telescopic driving member 31 extends to realize the relative movement of the first pipe fitting 1 and the second pipe fitting 2, so that the first pipe fitting 1 and the second pipe fitting 2 return to the initial relative position to realize the automatic reset.
In this embodiment, the second retractable driving member 31 is sleeved on the outer periphery of the first tube 1 and disposed between the first tube 1 and the second tube 2, the outer wall of the first tube 1 has a first protrusion 12, the inner wall of the second tube 2 has a second protrusion 214, and two ends of the second retractable driving member 31 respectively abut against the first protrusion 12 and the second protrusion 214. The second retractable driving member 31 is sleeved on the outer peripheral side of the first pipe 1, so that the installation is convenient, and the second retractable driving member 31 is arranged between the outer wall of the first pipe 1 and the inner wall of the second pipe 2, so as to prevent the second retractable driving member 31 from being separated. In addition, the two ends of the second retractable driving member 31 abut against the first protrusion 12 and the second protrusion 214 respectively, so that the relative position between the first pipe fitting 1 and the second pipe fitting 2 can be controlled conveniently, and the first pipe fitting 1 is prevented from being separated from the second pipe fitting 2 in the process that the first pipe fitting 1 and the second pipe fitting 2 are relatively far away.
In this embodiment, the second pipe 2 includes a second pipe body 21 and a retainer ring 22, the retainer ring 22 is connected to an end portion of the second pipe body 21 and is sleeved on an outer peripheral side of the first pipe 1, and an inner diameter of the retainer ring 22 is smaller than an inner diameter of the second pipe body 21 to form the second protrusion 214. The second pipe fitting 2 is arranged in a split mode, processing is convenient, in addition, any one of the parts in the second pipe fitting body 21 and the retaining ring 22 is damaged, only one of the parts needs to be replaced, cost is saved, and the second protruding portion 214 is formed by installing the retaining ring 22, and assembling is convenient. Specifically, the retainer ring 22 is mounted on the end of the second pipe fitting body 21 and is bolted to the second pipe fitting body 21, so that the disassembly is convenient.
The second retractable driving member 31 is a second memory alloy elastic member. The second memory alloy elastic part changes the self expansion along with the change of temperature, the temperature rises, the elasticity becomes larger, and the second memory alloy elastic part extends; the temperature is reduced, the elasticity is reduced, and the second memory alloy elastic piece contracts. In the process of reducing the temperature from the first temperature to the second temperature, the clamping relation between the clamping piece 211 and the clamping part 11 is released, the volume of the water icing process is increased to push the first pipe fitting 1 and the second pipe fitting 2 to be relatively far away, a space for the movable water flow channel after the water icing is reserved, the space for the water icing is released, and the second memory alloy elastic piece contracts at the moment, so that the relative movement of the first pipe fitting 1 and the second pipe fitting 2 is not interfered; when the temperature is increased from the second temperature to the first temperature, the second memory alloy elastic part is stretched, so that the first pipe fitting 1 and the second pipe fitting 2 are close to each other and return to the initial relative position to realize the restoration. The frost crack prevention valve body of this embodiment need not through electric drive, adopts mechanical structure, realizes that the rivers passageway between first pipe fitting 1 and the second pipe fitting 2 is adjustable according to the change of temperature, and the good reliability can play effectual protection during the outage. Preferably, the second retractable driving member 31 is a memory alloy spring, which is convenient to process and has good retractable performance. In addition, the first memory alloy elastic member and the second memory alloy elastic member may be made of the same material.
A sealing ring 4 is arranged between the outer wall of the first pipe fitting 1 and the inner wall of the second pipe fitting 2. The setting of sealing washer 4 prevents that rivers from flowing out from the gap between the outer wall of first pipe fitting 1 and the inner wall of second pipe fitting 2 for prevent frostbite and split the valve body leakproofness well.
When specifically using, when normal use, joint piece 211 is in first state, joint between joint piece 211 and the joint portion 11 for second pipe fitting 2 can not remove first pipe fitting 1 relatively. When the temperature reduces, the elasticity of first memory alloy elastic component and second memory alloy elastic component slowly diminishes, reduce to the second temperature when the temperature, the temperature drops to below 0 degrees centigrade promptly, first memory alloy elastic component compression makes joint pole 2111 keep away from joint portion 11 and removes the joint relation with first pipe fitting 1, the frozen process volume grow of water can promote first pipe fitting 1 and keep away from to the direction of keeping away from second pipe fitting 2, reserve the space behind the water formation ice for movable rivers passageway, make the space behind the water formation ice release, and second memory alloy elastic component shrink this moment, do not interfere the relative motion of first pipe fitting 1 and second pipe fitting 2. When the temperature rises, the elasticity of the first memory alloy elastic part and the second memory alloy elastic part is gradually increased, the second memory alloy elastic part extends to enable the first pipe fitting 1 to gradually approach the second pipe fitting 2 and return to the initial relative position, and meanwhile, the first memory alloy elastic part gradually extends to push the clamping rod 2111 to be clamped into the groove of the first pipe fitting 1, so that the first pipe fitting 1 is fixed relative to the second pipe fitting 2, automatically resets, returns to the initial state, and is ready for the next continuous use. This scheme adopts pure mechanical mechanism, under the severe cold condition in winter, especially when the outage, can play effectual protection.
An embodiment of the present invention further provides a gas water heater, as shown in fig. 3, the gas water heater includes the frost crack valve body according to any one of the above embodiments.
In this embodiment, prevent frostbite and split the valve body and connect in water intake pipe 5, the one end of keeping away from second pipe fitting 2 in first pipe fitting 1 is seted up the delivery port 13, installs moveable connecting pipe 6 between delivery port 13 and water intake pipe 5. The side wall of one end of the second pipe fitting 2 close to the first pipe fitting 1 is provided with a water inlet 215, and water flows into the movable passage between the first pipe fitting 1 and the second pipe fitting 2 through the water inlet 13 and then flows out of the frost crack prevention valve body through the water outlet 13 to enter the water inlet pipeline 5. Because first pipe fitting 1 can be to keeping away from or being close to the direction removal of second pipe fitting 2, but first pipe fitting 1 mobile setting, but the one end of keeping away from second pipe fitting 2 on first pipe fitting 1 is connected through swing joint pipe 6 with inlet channel 5, reduce or avoid appearing inlet channel 5 and need move about along with the removal of first pipe fitting 1 to the phenomenon that leads to the damage, also need not to consider inlet channel 5 and reserve bigger assembly space, compact structure under the condition that needs its activity.
While specific embodiments of the invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications are within the scope of this invention.
Claims (11)
1. The utility model provides a prevent frostbite and split valve body which characterized in that, prevent frostbite and split the valve body and include:
the outer wall of the first pipe fitting is provided with a clamping part;
the first pipe fitting is at least partially arranged in the second pipe fitting and communicated with the second pipe fitting, and a clamping piece is arranged on the side wall of the second pipe fitting;
the clamping piece is provided with a first state and a second state, and when the clamping piece is in the first state, the clamping piece can be clamped with the clamping part so as to relatively fix the first pipe fitting and the second pipe fitting; when the clamping piece is in the second state, the clamping piece can be released from the clamping relation with the clamping part, so that the first pipe fitting and the second pipe fitting can move relatively;
in the process of reducing the temperature from a first temperature to a second temperature, the clamping piece is switched from the first state to the second state, the clamping part and the clamping piece are unlocked, and the first pipe fitting and the second pipe fitting can be relatively far away under the action of external force, so that the space of a water flow channel between the first pipe fitting and the second pipe fitting is enlarged;
a through hole is formed in the side wall of the second pipe fitting and connected with a sleeve, the clamping piece is arranged in the sleeve, and the clamping piece can penetrate through the through hole and is clamped with the clamping part;
the clamping piece comprises a clamping rod and a first telescopic driving piece, and in the process of switching between the first temperature and the second temperature, the first telescopic driving piece drives the clamping rod to move along the through hole in a telescopic mode;
the outer wall of first pipe fitting is seted up the recess in order to form joint portion, the recess with joint pole cooperation joint.
2. The frost crack prevention valve body defined in claim 1, wherein the clamping rod includes a first rod and a second rod fixed in a crossed manner, the first telescopic driving member is disposed around an outer periphery of the first rod, and one end of the first telescopic driving member abuts against an end surface of the second rod facing away from the first pipe, and the other end of the first telescopic driving member abuts against an inner wall of the sleeve to move the first rod along an extending direction thereof.
3. The frost crack prevention valve body of claim 2, wherein said first retractable drive member is a first memory alloy spring.
4. The frost crack prevention valve body of claim 2, wherein the second rod is connected to a middle portion of the first rod, the snap-in member further comprises a spring disposed around an outer peripheral side of the first rod, one end of the spring abuts against an end surface of the second rod near the first pipe, and the other end of the spring abuts against an outer wall of the second pipe.
5. The frost crack prevention valve body of claim 1, wherein said frost crack prevention valve body comprises a reset member, said reset member bringing said first and second tubular members closer to each other and back to an initial relative position during an increase from said second temperature to said first temperature.
6. The valve body of claim 5, wherein the reset member comprises a second retractable driving member, two ends of the second retractable driving member respectively abut against the first pipe member and the second pipe member, and the second retractable driving member extends to realize the relative movement of the first pipe member and the second pipe member during the process of increasing from the second temperature to the first temperature.
7. The frost crack prevention valve body of claim 6, wherein the second retractable driving member is sleeved on an outer peripheral side of the first pipe and disposed between the first pipe and the second pipe, an outer wall of the first pipe has a first protrusion, an inner wall of the second pipe has a second protrusion, and two ends of the second retractable driving member abut against the first protrusion and the second protrusion, respectively.
8. The frost crack prevention valve body of claim 7, wherein the second pipe member includes a second pipe member body and a retainer ring, the retainer ring is connected to an end portion of the second pipe member body and is fitted around an outer circumferential side of the first pipe member, and an inner diameter of the retainer ring is smaller than an inner diameter of the second pipe member body to form the second protrusion.
9. The frost crack resistant valve body of claim 1 wherein a seal is disposed between an outer wall of the first tubular member and an inner wall of the second tubular member.
10. A gas water heater, characterized in that it comprises a frost crack prevention valve body according to any of claims 1-9.
11. The gas water heater as claimed in claim 10, wherein said frost crack prevention valve is connected to a water inlet pipe, a water outlet is provided at an end of said first pipe member remote from said second pipe member, and a movable connection pipe is installed between said water outlet and said water inlet pipe.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310120163.2A CN116025755A (en) | 2022-04-27 | 2022-04-27 | Frost crack prevention valve body and gas water heater containing same |
| CN202210458427.0A CN114877113B (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
| CN202310103280.8A CN115978263A (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458427.0A CN114877113B (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310120163.2A Division CN116025755A (en) | 2022-04-27 | 2022-04-27 | Frost crack prevention valve body and gas water heater containing same |
| CN202310103280.8A Division CN115978263A (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114877113A CN114877113A (en) | 2022-08-09 |
| CN114877113B true CN114877113B (en) | 2023-02-28 |
Family
ID=82671775
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310103280.8A Pending CN115978263A (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
| CN202210458427.0A Active CN114877113B (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
| CN202310120163.2A Pending CN116025755A (en) | 2022-04-27 | 2022-04-27 | Frost crack prevention valve body and gas water heater containing same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310103280.8A Pending CN115978263A (en) | 2022-04-27 | 2022-04-27 | Prevent frostbite and split valve body and contain its gas heater |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310120163.2A Pending CN116025755A (en) | 2022-04-27 | 2022-04-27 | Frost crack prevention valve body and gas water heater containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN115978263A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002004349A (en) * | 2000-06-22 | 2002-01-09 | Osaka Gas Co Ltd | Freeze-fracture prevention plug and selector valve- attached joint |
| US6363960B1 (en) * | 1998-04-03 | 2002-04-02 | Dieter Gauss | Frost protection device |
| JP2004116591A (en) * | 2002-09-25 | 2004-04-15 | Nix Inc | Header |
| KR20040110953A (en) * | 2003-06-21 | 2004-12-31 | 장성익 | Anti-freezing pipeline attached mechanism for preventing the freezing without discharging water of pipelines in midwinter |
| CN102245949A (en) * | 2008-12-10 | 2011-11-16 | 须藤优质工程有限公司 | Emperature-responsive fluid flow control apparatus |
| CN210842803U (en) * | 2019-05-28 | 2020-06-26 | 佛山市恒洁达辉卫浴有限公司 | Shower device |
| CN214534710U (en) * | 2021-02-19 | 2021-10-29 | 河北石阀机械设备有限公司 | Pneumatic bypass valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19940696A1 (en) * | 1999-04-15 | 2000-10-19 | Continental Teves Ag & Co Ohg | Coil mounting for magnetically operated valves of motor vehicle brake control system |
| JP2002081745A (en) * | 2000-09-01 | 2002-03-22 | Rinnai Corp | Expansion absorption material and freezing damage prevention apparatus |
| US20020170610A1 (en) * | 2001-03-20 | 2002-11-21 | Webber Richard L. | Rupture-resistant fluid transport and containment system |
| CN203757266U (en) * | 2014-01-24 | 2014-08-06 | 秦皇岛市新锐管业有限公司 | High-temperature-resistant non-metal expansion joint |
| CN105840908B (en) * | 2015-01-16 | 2018-03-20 | 厦门松霖科技股份有限公司 | Control valve and selector valve device with row's cold water function |
| CN108331087B (en) * | 2018-04-28 | 2020-01-07 | 重庆鸽牌电工材料有限公司 | Automatic temperature control anti-freezing system for water pipe |
-
2022
- 2022-04-27 CN CN202310103280.8A patent/CN115978263A/en active Pending
- 2022-04-27 CN CN202210458427.0A patent/CN114877113B/en active Active
- 2022-04-27 CN CN202310120163.2A patent/CN116025755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6363960B1 (en) * | 1998-04-03 | 2002-04-02 | Dieter Gauss | Frost protection device |
| JP2002004349A (en) * | 2000-06-22 | 2002-01-09 | Osaka Gas Co Ltd | Freeze-fracture prevention plug and selector valve- attached joint |
| JP2004116591A (en) * | 2002-09-25 | 2004-04-15 | Nix Inc | Header |
| KR20040110953A (en) * | 2003-06-21 | 2004-12-31 | 장성익 | Anti-freezing pipeline attached mechanism for preventing the freezing without discharging water of pipelines in midwinter |
| CN102245949A (en) * | 2008-12-10 | 2011-11-16 | 须藤优质工程有限公司 | Emperature-responsive fluid flow control apparatus |
| CN210842803U (en) * | 2019-05-28 | 2020-06-26 | 佛山市恒洁达辉卫浴有限公司 | Shower device |
| CN214534710U (en) * | 2021-02-19 | 2021-10-29 | 河北石阀机械设备有限公司 | Pneumatic bypass valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114877113A (en) | 2022-08-09 |
| CN116025755A (en) | 2023-04-28 |
| CN115978263A (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7111638B2 (en) | Excess flow shutoff | |
| CN114877113B (en) | Prevent frostbite and split valve body and contain its gas heater | |
| CN111219510B (en) | Pressure protection valve and gas water heater | |
| CN114811145B (en) | Prevent frostbite and split valve body and contain its gas heater | |
| US20230167920A1 (en) | Valve for a spray system | |
| US20230027750A1 (en) | Valve for a spray system | |
| CN110513563A (en) | Water supply connector and water heater with the water supply connector | |
| CN111219507B (en) | Pressure protection valve and gas water heater | |
| CN105485929A (en) | Water heater | |
| CN102635730A (en) | Rapidly-heating water faucet | |
| CN202418781U (en) | High-pressure flow-limiting valve | |
| CN201593609U (en) | Water escape valve with low-temperature automatic drainage function | |
| CN109529441A (en) | A kind of explosion-proof type fore filter | |
| CN211010062U (en) | Anti-freezing faucet | |
| KR20150026084A (en) | Device for prevented a bursting by freezing | |
| JP7369528B2 (en) | water stop plug | |
| JP2023532619A (en) | A device that protects water pipes from the expansion of frozen water | |
| CN217653283U (en) | Anti-freezing shower device | |
| CN219550862U (en) | Water inlet joint and water heater | |
| KR200241197Y1 (en) | Faucet with freeze protection | |
| CN220600495U (en) | Water pipeline anti-freezing ball valve | |
| CN111829182B (en) | Water inlet connector and gas water heater with same | |
| CN220958952U (en) | Antifreezing device for hot water system | |
| CN213040759U (en) | Automatic drainage anti-freezing device for heat pump host after power failure of hot water system | |
| KR101980890B1 (en) | Frost protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |