CN208687996U - A kind of press-bearing water tank protective device - Google Patents
A kind of press-bearing water tank protective device Download PDFInfo
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- CN208687996U CN208687996U CN201820940818.5U CN201820940818U CN208687996U CN 208687996 U CN208687996 U CN 208687996U CN 201820940818 U CN201820940818 U CN 201820940818U CN 208687996 U CN208687996 U CN 208687996U
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Abstract
The utility model relates to technical field of water heaters, refer in particular to a kind of press-bearing water tank protective device, it is installed in the intracorporal bypass cock of shell including shell and respectively, tonifying Qi switch, compression relief cock and non-return switch, shell is provided with water inlet flow channel, outlet passage and intermediate flow channel for being connected to water inlet flow channel and outlet passage, the water outlet of water inlet flow channel is connected to the water inlet of press-bearing water tank, the water inlet of outlet passage is connected to the water outlet of press-bearing water tank, bypass cock is set to the one end of intermediate flow channel close to outlet passage, tonifying Qi switch and compression relief cock are all set in the middle part of intermediate flow channel and for being connected to intermediate flow channel, non-return switchs the water outlet for being set to water inlet flow channel, bypass cock enters water inlet flow channel for regulating and controlling the water body in outlet passage, water body of the non-return switch for regulating and controlling in water inlet flow channel enters press-bearing water tank.The utility model it is compact structure and easy to use, greatly reduce the fatigue damage of pressure-bearing water tank inner liner, extend the service life of press-bearing water tank.
Description
Technical field
The utility model relates to technical field of water heaters, refer in particular to a kind of press-bearing water tank protective device.
Background technique
Currently, pressure-bearing storage-type electric water heater is provided with press-bearing water tank, press-bearing water tank is used to do storage hot water and as heat
Switching equipment.The press-bearing water tank component important as water heater, the liner of press-bearing water tank once go wrong, pressure-bearing storage-type heat
Hydrophone will be unable to normal use, in order to guarantee pressure-bearing storage-type electric water heater normal use, existing technology, generally in pressure-bearing water storage
The external one-way relief valves of the press-bearing water tank of formula water heater, avoid the hypertonia of the liner of press-bearing water tank.
In press-bearing water tank use process, during the cold water in press-bearing water tank can be heated, the volume of water can be with temperature
Rising and expand, the pressure that the liner of press-bearing water tank is born is increased with the expansion of water, and the pressure of water will be upper in press-bearing water tank
1.0MPa or more is risen to, the service life of press-bearing water tank is seriously affected, or even causes press-bearing water tank deformation and spalling, so press-bearing water tank
When installation, it is necessary to one-way relief valves are installed, to guarantee that the operating pressure of press-bearing water tank is less than 0.7MPa；One-way relief valves are used for
Limit press-bearing water tank in pressure, if in press-bearing water tank pressure be more than one-way relief valves rated pressure, one-way relief valves to
Outer draining reduces the pressure in press-bearing water tank.Meanwhile there are also one-way non-return functions for one-way relief valves, it is single when water inlet pipe is cut off the water
It can not only prevent the hot water in press-bearing water tank from flowing backwards to safety valve, avoid hot water waste, moreover it is possible to prevent in press-bearing water tank
Hot water flow backwards and cause press-bearing water tank internal negative pressure, cause the liner of press-bearing water tank due to negative pressure and by inhale it is flat.But unidirectional peace
There are limitations for full valve, can not protect press-bearing water tank comprehensively, when cutting off the water, since one-way relief valves are mounted in water inlet pipe,
The one-way non-return function of one-way relief valves can prevent the hot water in press-bearing water tank from flowing backwards at this time；Cut off the water if user does not know,
The valve on the outlet pipe of press-bearing water tank is opened, when press-bearing water tank and valve are there are when difference in height, the water in outlet pipe can be
Toward flowing down under the action of gravity, will cause form negative pressure in press-bearing water tank at this time, cause the liner of press-bearing water tank due to negative pressure and
It is flat by inhaling.One-way relief valves in normal work, need to drain the pressure in release press-bearing water tank outward, need to install at this time soft
Pipe, exit guide into drainage system (or exit guide is extremely recycled using container), if draining is not drawn
It is directed in drainage system, draining will drip floor, and water resource waste is caused on damage floor simultaneously.There are one for one-way relief valves
The limitation for seriously affecting the press-bearing water tank service life, installs the press-bearing water tank of one-way relief valves, and when heating reaches one-way relief valves
Rated pressure can just drain outward, and press-bearing water tank is when in use, and press-bearing water tank is connected to water inlet pipe, the pressure in press-bearing water tank
Power rapid drawdown to water inlet pipe pressure；In frequent use process, the liner of press-bearing water tank it is low when high when the pressure of water due to expand and
Alternating is shunk, the fatigue damage of press-bearing water tank is accelerated, the service life of press-bearing water tank is caused to decline.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of press-bearing water tank protective device, compact-sized, pipelines
Arrangement is convenient, reaches constant pressure heating, constant pressure is flow to using the water in hot water, press-bearing water tank is anti-down in water inlet flow channel and to artesian water
The liner of case carries out the purpose of negative pressure protection, while when water pressure in water inlet flow channel is high also acts as safety relief and early warning mentions
Awake effect, reduces the fatigue damage of press-bearing water tank, to extend the service life of press-bearing water tank.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution:
A kind of press-bearing water tank protective device comprising shell and be installed in respectively the intracorporal bypass cock of shell, tonifying Qi switch,
Compression relief cock and non-return switch, the shell are provided with water inlet flow channel, outlet passage and for being connected to water inlet flow channel and water flow out
The intermediate flow channel in road, the bypass cock are set to the one end of intermediate flow channel close to outlet passage, the tonifying Qi switch and pressure release
Switch is all set in the middle part of intermediate flow channel and for being connected to intermediate flow channel, and the non-return switch is set to going out for water inlet flow channel
The mouth of a river, the tonifying Qi switch, compression relief cock are respectively positioned between bypass cock and non-return switch, and the bypass cock is for regulating and controlling out
Water body in water flow passage enters water inlet flow channel, and water body of the non-return switch for regulating and controlling in water inlet flow channel enters press-bearing water tank.
Further, the outlet passage is provided with services aperture, and the bypass cock is revealed in services aperture, the services aperture
It is inside installed with plug, the inner wall of the services aperture is provided with the first internal screw thread, and the plug is provided with to be spirally connected with the first internal screw thread
The first external screw thread.
Further, the intermediate flow channel includes sprue and the secondary flow road being connected to sprue, the secondary flow road and master
Runner is arranged in a crossed manner, and the tonifying Qi switch and compression relief cock are respectively arranged at the both ends in secondary flow road and are located at the two of sprue
The both ends of side, the sprue are connected to outlet passage and water inlet flow channel respectively, and the bypass cock is located at sprue close to out
One end of water flow passage.
Further, water flow switch is installed in the outlet passage or water inlet flow channel.
Further, the shell include upper horizontal part, middle horizontal line portion, lower horizontal part and respectively with upper horizontal part and under
The vertical portion of horizontal part connection, the upper horizontal part, middle horizontal line portion and lower horizontal part are set parallel to each other, the vertical portion
It is vertically arranged in the middle part of middle part and middle horizontal part, the outlet passage runs through upper horizontal part, and the water inlet flow channel runs through lower level
Portion, the sprue run through vertical portion, and the secondary flow road runs through middle horizontal part.
Further, bypass baffle ring is provided in the sprue, the bypass baffle ring is provided with the first recirculation hole, described
Bypass cock includes the bypass spool being slideably positioned in sprue, is set to bypass spool and bypasses the bypass bullet between baffle ring
Property part and for contradict bypass spool one end bypass positioning ring, the bypass positioning ring be installed in sprue close to out water flow
The one end in road, the bypass positioning ring are provided with the second recirculation hole for being connected to the first recirculation hole, bypass one end of spool
For blocking the second recirculation hole.
Further, the inner wall of the sprue is provided with the 5th internal screw thread, and the bypass positioning ring is provided with and the 5th
The reach of the 4th external screw thread that internal screw thread is spirally connected, the 5th internal screw thread is greater than the 4th externally threaded reach.
Further, the bypass baffle ring is additionally provided with first guide hole parallel with the first recirculation hole, the bypass spool
The other end be provided with the first guide hole cooperation the first guide rod.
Further, pressure release baffle ring is provided in the secondary flow road, the pressure release baffle ring is provided with third recirculation hole, described
Compression relief cock includes the pressure release positioning ring for being installed in the one end of secondary flow road far from sprue, the pressure release being slideably positioned in secondary flow road
Spool and the pressure release elastic component being set between pressure releasing valve core and pressure release positioning ring, the pressure release positioning ring are provided with and third stream
4th recirculation hole of through-hole connection, one end of the pressure releasing valve core is for blocking third recirculation hole.
Further, the inner wall in the secondary flow road is provided with the 6th internal screw thread, and the pressure release positioning ring is provided with and the 6th
The reach of the 5th external screw thread that internal screw thread is spirally connected, the 6th internal screw thread is greater than the 5th externally threaded reach；It is described
Pressure release positioning ring is additionally provided with second guide hole parallel with the 4th recirculation hole, and the other end of the pressure releasing valve core is provided with and second
Second guide rod of guide hole cooperation.
The utility model has the beneficial effects that this press-bearing water tank protective device is easy to use, solves press-bearing water tank and heating
Reach the problem of causing the fatigue damage of press-bearing water tank, lead to press-bearing water tank service life reduction with hypertonia when using or rapid drawdown
Constant pressure heating and constant pressure use the purpose of hot water, solve press-bearing water tank because outside cuts off the water and cause hot water refluence and press-bearing water tank
It is interior to lead to the problem of negative pressure and inhaled by negative pressure flat, the inside and outside differential pressure of press-bearing water tank is balanced, pressure-bearing when preventing water inlet flow channel from cutting off the water
Hot water in water tank flows backward in water inlet flow channel and the purpose of the liner negative pressure release guard of press-bearing water tank, while also acting as safety
The effect that pressure release and early warning are reminded, greatly reduces the fatigue of press-bearing water tank, extends the service life of press-bearing water tank, and hold
Press the water in water tank in row pressure, the water of row pressure can enter circulation in water inlet flow channel, prevent from dripping in existing row pressure structure
Or the problem of leak；In addition, being provided with water inlet flow channel, intermediate flow channel and outlet passage by shell, non-return switch, bypass are opened
Close, tonifying Qi switch and compression relief cock concentrated setting are in shell so that compact-sized, the pipeline cloth of this press-bearing water tank protective device
It sets conveniently, occupies little space, installation, later period examination and maintenance are convenient, and structural stability is strong, and are conducive to standardization and use and criticize
Amount production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that the utility model hides the cross-sectional view after outlet conduit and water inlet line.
Fig. 3 is the cross-sectional view of the shell of the utility model.
Description of symbols:
1, shell；11, water inlet flow channel；111, third internal screw thread；112, third external screw thread；12, outlet passage；
121, services aperture；122, plug；123, the second internal screw thread；13, intermediate flow channel；131, sprue；
1311, baffle ring is bypassed；1312, the first recirculation hole；1313, the 5th internal screw thread；1314, the first guide hole；
132, secondary flow road；1321, pressure release baffle ring；1322, third recirculation hole；1323, the 6th internal screw thread；
14, upper horizontal part；15, middle horizontal part；16, lower horizontal part；17, vertical portion；2, bypass cock；
21, spool is bypassed；211, the first guide rod；22, elastic component is bypassed；23, positioning ring is bypassed；231, the second recirculation hole；
232, the 4th external screw thread；3, tonifying Qi switchs；4, compression relief cock；41, pressure release positioning ring；411, the 4th recirculation hole；
412, the 5th external screw thread；413, the second guide hole；42, pressure releasing valve core；421, the second guide rod；43, pressure release elastic component；
5, non-return switchs；6, outlet conduit；7, water inlet line；8, water flow switch.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
As shown in Figure 1 to Figure 3, a kind of press-bearing water tank protective device provided by the utility model comprising shell 1 and difference
Bypass cock 2, tonifying Qi switch 3, compression relief cock 4 and the non-return switch 5 being installed in shell 1, the shell 1 are provided with feed water flow
Road 11, outlet passage 12 and the intermediate flow channel 13 for being connected to water inlet flow channel 11 Yu outlet passage 12, the water inlet flow channel 11
For being connected to the water inlet of press-bearing water tank, the water inlet of the water inlet flow channel 11 is used to connect with extraneous water supply line water outlet
Logical, the water inlet of the outlet passage 12 for being connected to the water outlet of press-bearing water tank, use by the water outlet of the outlet passage 12
It is connected in extraneous with waterpipe, the bypass cock 2 is set to intermediate flow channel 13 close to one end of outlet passage 12, described
Tonifying Qi switch 3 and compression relief cock 4 are all set in the middle part of intermediate flow channel 13 and for being connected to intermediate flow channel 13, and the non-return is opened
5 water outlets for being set to water inlet flow channel 11 are closed, the tonifying Qi switch 3, compression relief cock 4 are respectively positioned on bypass cock 2 and non-return switch 5
Between, the bypass cock 2 enters water inlet flow channel 11 for regulating and controlling the water body in outlet passage 12, and non-return switch 5 is for regulating and controlling
Water body in water inlet flow channel 11 enters in press-bearing water tank.Specifically, as shown in figure 3, the water inlet of outlet passage 12 is water flow
The left end in road 12, the water outlet of outlet passage 12 are the right end of outlet passage 12, and the water inlet of water inlet flow channel 11 is water inlet flow channel
11 right end, 11 water outlets of water inlet flow channel are the left end of water inlet flow channel 11, and the water outlet of press-bearing water tank is the heat of press-bearing water tank
Water end (W.E.) mouth, the water inlet of press-bearing water tank are the cold water port of press-bearing water tank.
When assembling, press-bearing water tank protective device is installed on the water route of press-bearing water tank, so that the water inlet flow channel 11 of shell 1
Water outlet be connected to the water inlet of press-bearing water tank, the water inlet of water inlet flow channel 11 is connected to extraneous water supply line, shell 1
The water inlet of outlet passage 12 is connected to the water outlet of press-bearing water tank, and the water outlet of outlet passage 12 and extraneous water outlet device connect
It is logical.In use, the water flow of extraneous water supply line flows into press-bearing water tank from water inlet flow channel 11, water heats in press-bearing water tank
Afterwards, then from outlet passage 12 it flows out.
In actual use, when the pressure in press-bearing water tank is less than the pressure of extraneous water supply line, extraneous water supply line
Pressure non-return switch 5 is opened, the cold water of extraneous water supply line is via water inlet flow channel 11 and non-return switch 5 into artesian water
Pressure and extraneous water supply line in case, when closing extraneous water outlet device, and filling water in press-bearing water tank, in press-bearing water tank
Pressure it is equal, non-return switch 5 automatically be closed, play the role of one-way non-return, prevent the hot water in press-bearing water tank flow backward into
Phenomenon in water flow passage 11.
When the water in press-bearing water tank is heated, due to being provided with non-return switch 5 in water inlet flow channel 11, in press-bearing water tank
Water can be expanded with the rising of temperature, the pressure in press-bearing water tank also with water expansion and increase, when the pressure in press-bearing water tank
When power is greater than the pressure of extraneous water supply line, the pressure in press-bearing water tank opens the bypass cock 2 in shell 1, artesian water
Hot water in case enters in water inlet flow channel 11 via outlet passage 12, bypass cock 2 and intermediate flow channel 13, the pressure in press-bearing water tank
Power is reduced as hot water flows into water inlet flow channel 11, while the water of row pressure enters circulation in water inlet flow channel 11 in press-bearing water tank,
It prevents press-bearing water tank in row pressure, is not in water heater release the problem of dripping of other way installation；When in press-bearing water tank
Pressure when being equal to the pressure of extraneous water supply line, bypass cock 2 is closed automatically so that the pressure in press-bearing water tank always with
The pressure of extraneous water supply line is equal or press-bearing water tank in pressure less times greater than the pressure of extraneous water supply line, reach
To the purpose of the water in constant pressure heating press-bearing water tank, and then solve the liner of press-bearing water tank deformation expansion due to hypertonia,
The problem of shrinking because of hypotony alleviates the fatigue of press-bearing water tank, substantially prolongs the service life of press-bearing water tank.
When hot water is used, after the switch of extraneous water outlet device is opened, the hot water in press-bearing water tank is via outlet passage 12
It is flowed out with extraneous water outlet device, press-bearing water tank and extraneous atmosphere, so that the pressure in press-bearing water tank is atmospheric pressure, this
When, the pressure of extraneous water supply line is greater than the pressure in press-bearing water tank, and non-return switch 5 is beaten by the pressure of extraneous water supply line
It opens, the cold water of extraneous water supply line enters in press-bearing water tank via water inlet flow channel 11 and non-return switch 5, in press-bearing water tank
The hot water of high water level be entered the cold water in press-bearing water tank and extrude press-bearing water tank, hot water is via outlet passage 12 and extraneous goes out
Hydrophone outflow, for users to use, at this point, since the hydraulic pressure in water inlet flow channel 11 is greater than the pressure in outlet passage 12, so other
Opening up pass 2 will not be opened, and the hot water in outlet passage 12 not can enter in water inlet flow channel 11；Water in heating press-bearing water tank
During, bypass cock 2 plays the role of balancing the pressure of pressure and extraneous water supply line in press-bearing water tank.
When extraneous water supply line is cut off the water, the pressure of extraneous water supply line generates negative pressure, at this point, in press-bearing water tank
Pressure is higher than the pressure of extraneous water supply line, and the pressure in press-bearing water tank opens bypass cock 2, least a portion of hot water via
Bypass cock 2 flows into water inlet flow channel 11, and pressure in press-bearing water tank is reduced as hot water flows into water inlet flow channel 11, when holding
When the pressure in water tank being pressed to be lower than the rated pressure of bypass cock 2, bypass cock 2 is automatically closed, and the hot water in press-bearing water tank is not
It can enter in water inlet flow channel 11 via outlet passage 12 and bypass cock 2, at this point, since water inlet flow channel 11 and intermediate flow channel 13 are equal
It is connected to extraneous water supply line, so intermediate flow channel 13 also generates negative pressure, so that atmospheric pressure is greater than in intermediate flow channel 13
Pressure, atmospheric pressure open tonifying Qi switch 3, and atmospheric pressure enters intermediate flow channel 13 via tonifying Qi switch 3, so that intermediate flow channel 13
Pressure it is equal with atmospheric pressure, i.e. the pressure of water inlet flow channel 11 is equal with atmospheric pressure, so that pipeline runner be protected not pressed
It is flat, the service life of pipeline runner can be extended；When valve is opened on the hot water pipeline of press-bearing water tank, press-bearing water tank also can
Negative pressure is generated, atmospheric pressure opens tonifying Qi switch 3, and atmospheric pressure enters intermediate flow channel 13 and water inlet flow channel via tonifying Qi switch 3
In 11, the pressure in water inlet flow channel 11 opens non-return switch 5, so that the pressure in water inlet flow channel 11 is equal in press-bearing water tank
Pressure balances the pressure inside and outside press-bearing water tank, press-bearing water tank is avoided to be flattened by atmospheric pressure, and the work of protection is played to press-bearing water tank
With.
When the pressure of extraneous water supply line is greater than the rated pressure of non-return switch 5, the pressure of extraneous water supply line
Compression relief cock 4 is opened, the cold water of extraneous water supply line is flowed out via water inlet flow channel 11, intermediate flow channel 13 and compression relief cock 4
Outside shell 1, reminds the user that the hypertonia in extraneous water supply line, need to carry out decompression processing, play the work of early warning
With.
When user closes the total valve of extraneous water supply line, but does not close water heater in time, in press-bearing water tank
Water will continue to be heated, the pressure in press-bearing water tank can with the temperature of water increase and increase, at this point, the pressure in press-bearing water tank
Bypass cock 2 can be opened, the hot water in press-bearing water tank can enter water inlet flow channel 11 via outlet passage 12 and bypass cock 2
It is interior, the pressure in press-bearing water tank is thereby reduced, so that the pressure in press-bearing water tank is equal with the pressure in water inlet flow channel 11, is kept away
Exempt from the deformation expansion due to hypertonia in press-bearing water tank, but since user closes the total valve of extraneous water supply line,
Pressure in water inlet flow channel 11 can not discharge outward, so that the pressure in water inlet flow channel 11 can be with the pressure rise in press-bearing water tank
And it increases；When the pressure in water inlet flow channel 11 is greater than the rated pressure of compression relief cock 4, i.e. pressure in intermediate flow channel 13 is greater than and lets out
Compress switch 4 rated pressure when, the pressure in intermediate flow channel 13 opens compression relief cock 4, and air pressure is via intermediate flow channel 13 and lets out
Compress switch 4 releases, while hot water is flowed out via intermediate flow channel 13 and compression relief cock 4, reminds the user that water heater is not turned off,
Avoid press-bearing water tank deformation expansion due to hypertonia impaired.
This press-bearing water tank protective device is easy to use, solves press-bearing water tank hypertonia or rapid in heating and use
Drop the problem of causing the fatigue damage of press-bearing water tank, lead to press-bearing water tank service life reduction, reaches constant pressure heating and constant pressure uses heat
The purpose of water solves press-bearing water tank and hot water is caused to flow backwards with negative pressure is generated in press-bearing water tank and inhaled by negative pressure due to outside cuts off the water
Flat problem balances the inside and outside differential pressure of press-bearing water tank, and hot water when preventing from cutting off the water in water inlet flow channel 11 in press-bearing water tank is flow backwards
To the purpose of water inlet flow channel 11 and the negative pressure release guard of the liner of press-bearing water tank, while the hydraulic pressure in water inlet flow channel 11 is excessively high
When also act as the effect that safety relief and early warning remind, greatly reduce the fatigue of press-bearing water tank, extend press-bearing water tank
Service life, and the water in press-bearing water tank, in row pressure, the water of row pressure can enter circulation in water inlet flow channel 11, prevent existing row pressure
Occur dripping in structure or the problem of leak；In addition, being provided with water inlet flow channel 11, intermediate flow channel 13 and water flow out by shell 1
Road 12, by non-return switch 5, bypass cock 2, tonifying Qi switch 3 and 4 concentrated setting of compression relief cock in shell 1, so that this artesian water
The compact-sized of case protective device, pipe arrangement are convenient, occupy little space, and installation, later period examination and maintenance are convenient, stable structure
Property it is strong, and be conducive to standardization use and produce in batches.
In the present embodiment, the outlet passage 12 is provided with services aperture 121, and the bypass cock 2 is revealed in services aperture
121, plug 122 is installed in the services aperture 121, and the inner wall of the services aperture 121 is provided with the first internal screw thread and (does not mark in figure
Number), the plug 122 is provided with the first external screw thread (unlabeled in figure) being spirally connected with the first internal screw thread.When assembling, plug is rotated
122, the first external screw thread of plug 122 is threadedly coupled with the first internal screw thread of services aperture 121, so that plug 122 is installed in maintenance
In hole 121, plug 122 plays the role of sealing to services aperture 121, prevents the hot water in outlet passage 12 from letting out from services aperture 121
Leakage, avoids the waste of thermal water resource；When bypass cock 2 damages, user can tear plug 122 open from services aperture 121
It unloads down, user is then passed through services aperture 121 and repairs to bypass cock 2, ties up convenient for user to bypass cock 2
Shield, while being also convenient for that bypass cock 2 is installed.
In the present embodiment, the intermediate flow channel 13 includes the sprue 131 being vertically arranged and is connected to sprue 131 auxiliary
Runner 132, the secondary flow road 132 and sprue 131 are arranged in a crossed manner, it is preferable that the secondary flow road 132 is vertical with sprue 131
Setting, so that intermediate flow channel 13 is in cruciformity；The tonifying Qi switch 3 and compression relief cock 4 are respectively arranged at the two of secondary flow road 132
The two sides of sprue 131 are held and are located at, the both ends of the sprue 131 connect with outlet passage 12 and water inlet flow channel 11 respectively
Logical, the bypass cock 2 is located at sprue 131 close to one end of outlet passage 12, the outlet passage 12 and water inlet flow channel 11
It is vertically arranged with sprue 131, bypass cock 2 is installed in the upper end of intermediate flow channel 13, will convenient for the pressure in press-bearing water tank
Bypass cock 2 is opened, so that outlet passage 12 is connected to water inlet flow channel 11, during tonifying Qi switch 3 and compression relief cock 4 are installed in respectively
Between runner 13 left end and right end, air pressure is supplemented into water inlet flow channel 11 convenient for tonifying Qi switch 3, while being also convenient for compression relief cock 4
Discharge the pressure in water inlet flow channel 11；The outlet passage 12, water inlet flow channel 11 and secondary flow road 132 are set parallel to each other, the knot
Structure is compact, saves the space used, and assembled with press-bearing water tank convenient for shell 1.
In the present embodiment, water flow switch 8 is installed in the outlet passage 12 or water inlet flow channel 11, it is preferable that the water
Stream switch 8 is located in outlet passage 12 and replaces plug 122；In use, water flow switch 8 carries out the water flow in outlet passage 12
Monitoring, when water flow switch 8 detects the water in outlet passage 12 in flowing, the water in press-bearing water tank stops heating, i.e. pressure-bearing
Water in water tank stops heating in use, achievees the purpose that the used time powers off, and improves the peace that user uses water heater
Full performance.Certainly, to be installed with water flow switch 8 in outlet passage 12 and water inlet flow channel 11 also possible.
In the present embodiment, the shell 1 include upper horizontal part 14, middle horizontal line portion 15, lower horizontal part 16 and respectively with it is upper
The vertical portion 17 that horizontal part 14 is connected to lower horizontal part 16, the upper horizontal part 14, middle horizontal line portion 15 and lower horizontal part 16 that
This is arranged in parallel, and the middle part of the vertical portion 17 and the middle part of middle horizontal part 15 are vertically arranged, so that shell 1 is in king's shape, institute
Outlet passage 12 is stated through upper horizontal part 14, the water inlet flow channel 11 runs through lower horizontal part 16, and the sprue 131 is through vertical
Portion 17, the secondary flow road 132 run through middle horizontal part 15, and the bypass cock 2 is located at the upper end of vertical portion 17, the tonifying Qi switch
3 and compression relief cock 4 be located at the both ends of middle horizontal part 15, the non-return switch 5 is located at lower horizontal part 16 far from extraneous confession
One end of waterpipe；The which has a compact structure and a reasonable design of shell 1 is provided with water inlet flow channel 11, sprue 131, auxiliary by shell 1
Runner 132 and outlet passage 12, by non-return switch 5, bypass cock 2, tonifying Qi switch 3 and 4 concentrated setting of compression relief cock in shell 1
It is interior, so that pipe arrangement is convenient, occupy little space, installation, later period examination and maintenance are convenient, and structural stability is strong, and is conducive to
Standardization is used and is produced in batches, and convenient for shell 1 respectively with extraneous water supply line, extraneous water outlet device and press-bearing water tank into
Row assembling.
In the present embodiment, the water inlet of the outlet passage 12 is installed with outlet conduit 6, and outlet conduit 6 is convenient for water flow out
Road 12 is connected to the water outlet of press-bearing water tank, and can increase this press-bearing water tank protective device at a distance from press-bearing water tank, is convenient for
Press-bearing water tank and this press-bearing water tank protective device are arranged, the inlet and outlet of the outlet passage 12 are provided with
One end of second internal screw thread 123, the outlet conduit 6 is connected to the water outlet of press-bearing water tank, the other end of the outlet conduit 6
It is provided with the second external screw thread (unlabeled in figure) for being spirally connected with the second internal screw thread 123；When assembling, one end of outlet conduit 6
It is connected to the water outlet of press-bearing water tank, in the second external screw thread of the other end of outlet conduit 6 and the water inlet of outlet passage 12
Second internal screw thread 123 is threadedly coupled, and is on the one hand the stability for improving outlet conduit 6 and connecting with shell 1, is on the other hand mentioned
The high leakproofness of outlet conduit 6 and outlet passage 12, in addition, the second internal screw thread 123 in the water outlet of outlet passage 12, just
It is connect in shell 1 with extraneous water outlet device.
In the present embodiment, the water outlet of the water inlet flow channel 11 is installed with water inlet line 7, and water inlet line 7 is convenient for feed water flow
Road 11 is connected to the water inlet of press-bearing water tank, and can increase this press-bearing water tank protective device at a distance from press-bearing water tank, is convenient for
Press-bearing water tank and this press-bearing water tank protective device are arranged, the inlet and outlet of the water inlet flow channel 11 are respectively set
There are third internal screw thread 111 and third external screw thread 112, one end of the water inlet line 7 is connected to the water inlet of press-bearing water tank, described
The other end of water inlet line 7 is provided with the 4th internal screw thread (unlabeled in figure) being spirally connected with third external screw thread 112；When assembling, into
One end of waterpipe 7 is connected to the water inlet of press-bearing water tank, the 4th internal screw thread and water inlet flow channel 11 of the other end of water inlet line 7
Water outlet on third external screw thread 112 be threadedly coupled, be on the one hand the stability for improving water inlet line 7 and being connect with shell 1,
It on the other hand is the leakproofness for improving water inlet line 7 Yu water inlet flow channel 11；In addition, the third in the water inlet of water inlet flow channel 11
Internal screw thread 111 connect convenient for shell 1 with extraneous water supply line.
In the present embodiment, bypass baffle ring 1311 is provided in the sprue 131, the bypass baffle ring 1311 is provided with the
One recirculation hole 1312, the bypass cock 2 include the bypass spool 21 being slideably positioned in sprue 131, are set to by-passing valve
Bypass elastic component 22 between core 21 and bypass baffle ring 1311 and the bypass positioning ring 23 of one end for contradicting bypass spool 21,
The bypass positioning ring 23 is installed in sprue 131 close to one end of outlet passage 12, and the bypass positioning ring 23 is arranged useful
In the second recirculation hole 231 being connected to the first recirculation hole 1312, one end of spool 21 is bypassed for blocking the second recirculation hole 231.
When the pressure in press-bearing water tank is greater than the rated pressure of bypass cock 2, the pressure extrusion in press-bearing water tank bypasses spool 21, other
Port valve core 21 squeezes bypass elastic component 22, and bypass elastic component 22 is compressed, and bypass spool 21 moves down, the second recirculation hole blocked
231 are opened, so that the first recirculation hole 1312 on bypass baffle ring 1311 connects with the second recirculation hole 231 on bypass positioning ring 23
Logical, i.e., bypass cock 2 is in the state opened, and the hot water in press-bearing water tank enters water inlet via bypass cock 2 and sprue 131
In runner 11, and then the pressure in press-bearing water tank is reduced, avoids expanding because of the hypertonia in press-bearing water tank.
In the present embodiment, the inner wall of the sprue 131 is provided with the 5th internal screw thread 1313, and the bypass positioning ring 23 is set
It is equipped with the 4th external screw thread 232 being spirally connected with the 5th internal screw thread 1313, the reach of the 5th internal screw thread 1313 is greater than the 4th
The reach of external screw thread 232；When assembling, the 4th external screw thread 232 and the spiral shell in the 5th in sprue 131 of bypass positioning ring 23
Line 1313 is threadedly coupled, and is on the one hand the stability for improving bypass positioning ring 23 and connecting with sprue 131, is on the other hand mentioned
The high leakproofness of bypass positioning ring 23 and sprue 131；In addition, the reach of the 5th internal screw thread 1313 is greater than the 4th outer spiral shell
The reach of line 232 bypasses positioning ring convenient for adjusting position of the bypass positioning ring 23 in sprue 131 convenient for adjusting
23 depth in sprue 131, so that bypass positioning ring 23 adjusts the elastic force of bypass elastic component 22 via bypass spool 21,
And then the rated pressure of bypass cock 2 is adjusted, realization regulates and controls the pressure in press-bearing water tank.
In the present embodiment, the bypass baffle ring 1311 is additionally provided with first guide hole parallel with the first recirculation hole 1312
1314, the other end of the bypass spool 21 is provided with the first guide rod 211 with the cooperation of the first guide hole 1314；Pass through the first guide rod
211 and first guide hole 1314 cooperation, the first guide hole 1314 plays the role of positioning to the first guide rod 211, convenient for bypass spool
21 are assembled on bypass baffle ring 1311, and the first guide hole 1314 plays the role of guiding to the first guide rod 211, convenient for bypass spool
21 slide between bypass baffle ring 1311 and bypass positioning ring 23, improve stability when bypass spool 21 slides.
Preferably, the structure of the tonifying Qi switch 3 and the structure of non-return switch 5 are all identical as the structure of bypass cock 2,
Bypass baffle ring 1311, the bypass baffle ring of three are provided in runner where tonifying Qi switch 3, non-return switch 5 and bypass cock 2
1311 structure is also identical, and only size can change according to actual needs, and therefore, the working principle between three is also identical,
Details are not described herein.
In the present embodiment, pressure release baffle ring 1321 is provided in the secondary flow road 132, the pressure release baffle ring 1321 is provided with
Three recirculation holes 1322, the compression relief cock 4 include the pressure release positioning ring for being installed in the one end of secondary flow road 132 far from sprue 131
41, the pressure releasing valve core 42 that is slideably positioned in secondary flow road 132 and it is set to letting out between pressure releasing valve core 42 and pressure release positioning ring 41
Compression elasticity part 43, the pressure release positioning ring 41 are provided with the 4th recirculation hole 411 being connected to third recirculation hole 1322, the pressure release
One end of spool 42 is for blocking third recirculation hole 1322.When the pressure in sprue 131 is greater than the rated pressure of compression relief cock 4
When, the pressure extrusion pressure releasing valve core 42 in sprue 131, pressure releasing valve core 42 squeezes pressure release elastic component 43,43 quilt of pressure release elastic component
Compression, pressure releasing valve core 42 move right, and the third recirculation hole 1322 blocked is opened, so that the third on pressure release baffle ring 1321
Recirculation hole 1322 is connected to the 4th recirculation hole 411 on pressure release positioning ring 41, i.e., compression relief cock 4 is in the state opened, mainstream
Pressure in road 131 is discharged via compression relief cock 4 into extraneous atmosphere, reduces the pressure in sprue 131 and water inlet flow channel 11
Power, while the cold water in water inlet flow channel 11 is flowed out via compression relief cock 4, it was demonstrated that the hypertonia in water inlet flow channel 11 is reminded and is used
Family needs to carry out decompression processing to water inlet flow channel 11, plays the role of early warning, and avoids because of the hypertonia in water inlet flow channel 11
And open non-return switch 5.
In the present embodiment, the inner wall in the secondary flow road 132 is provided with the 6th internal screw thread 1323, and the pressure release positioning ring 41 is set
It is equipped with the 5th external screw thread 412 being spirally connected with the 6th internal screw thread 1323, the reach of the 6th internal screw thread 1323 is greater than the 5th
The reach of external screw thread 412；When assembling, in the 5th external screw thread 412 on pressure release positioning ring 41 and the in secondary flow road 132 the 6th
Screw thread 1323 is threadedly coupled, and is on the one hand the stability for improving pressure release positioning ring 41 and connecting with shell 1, is on the other hand to improve
The leakproofness of pressure release positioning ring 41 and secondary flow road 132；In addition, the reach of the 6th internal screw thread 1323 is greater than the 5th external screw thread
412 reach, convenient for adjusting position of the pressure release positioning ring 41 in secondary flow road 132, i.e., convenient for adjusting pressure release positioning ring 41
Depth in secondary flow road 132 so that pressure release positioning ring 41 adjusts the elastic force of pressure release elastic component 43, and then adjusts compression relief cock
4 rated pressure, realization regulate and control the pressure in the pressure and water inlet flow channel 11 in intermediate flow channel 13；The pressure release positioning
Ring 41 is additionally provided with second guide hole 413 parallel with the 4th recirculation hole 411, and the other end of the pressure releasing valve core 42 is provided with and the
Second guide rod 421 of two guide holes 413 cooperation；By the cooperation of the second guide rod 421 and the second guide hole 413, the second guide hole 413 is to
Two guide rods 421 play the role of positioning, are assembled on pressure release positioning ring 41 convenient for pressure releasing valve core 42, and the second guide hole 413 is to
Two guide rods 421 play the role of guiding, slide, mention between pressure release positioning ring 41 and pressure release baffle ring 1321 convenient for pressure releasing valve core 42
Stability when high pressure releasing valve core 42 slides.
Preferably, the bypass elastic component 22 and pressure release elastic component 43 are spring, the structure of spring is simple, cost
Low, elasticity is good, is quick on the draw, and slides in sprue 131 and secondary flow road 132 respectively convenient for bypass spool 21 and pressure releasing valve core 42
It is dynamic.
All technical characteristics in the present embodiment can be freely combined according to actual needs.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design
Within enclosing.
Claims (10)
1. a kind of press-bearing water tank protective device, it is characterised in that: be installed in the intracorporal bypass cock of shell, benefit including shell and respectively
Air cock, compression relief cock and non-return switch, the shell be provided with water inlet flow channel, outlet passage and for be connected to water inlet flow channel with
The intermediate flow channel of outlet passage, the bypass cock are set to the one end of intermediate flow channel close to outlet passage, the tonifying Qi switch
The middle part of intermediate flow channel is all set in compression relief cock and is used to be connected to intermediate flow channel, and the non-return switch is set to feed water flow
The water outlet in road, the tonifying Qi switch, compression relief cock are respectively positioned between bypass cock and non-return switch, and the bypass cock is used for
Water body in regulation outlet passage enters water inlet flow channel, and water body of the non-return switch for regulating and controlling in water inlet flow channel enters artesian water
Case.
2. a kind of press-bearing water tank protective device according to claim 1, it is characterised in that: the outlet passage is provided with dimension
Guard aperture, the bypass cock are revealed in services aperture, and plug is installed in the services aperture, and the inner wall of the services aperture is provided with
One internal screw thread, the plug are provided with the first external screw thread being spirally connected with the first internal screw thread.
3. a kind of press-bearing water tank protective device according to claim 1, it is characterised in that: the intermediate flow channel includes mainstream
Road and the secondary flow road being connected to sprue, the secondary flow road and sprue are arranged in a crossed manner, the tonifying Qi switch and compression relief cock point
Be not set to the both ends in secondary flow road and be located at the two sides of sprue, the both ends of the sprue respectively with outlet passage and into
Water flow passage connection, the bypass cock are located at sprue close to one end of outlet passage.
4. a kind of press-bearing water tank protective device according to claim 1, it is characterised in that: the outlet passage or feed water flow
Water flow switch is installed in road.
5. a kind of press-bearing water tank protective device according to claim 3, it is characterised in that: the shell includes upper level
Portion, middle horizontal line portion, lower horizontal part and the vertical portion being connected to respectively with upper horizontal part and lower horizontal part, the upper horizontal part, in
Horizontal line portion and lower horizontal part are set parallel to each other, and are vertically arranged in the middle part of the middle part of the vertical portion and middle horizontal part, described
Outlet passage runs through upper horizontal part, and the water inlet flow channel runs through lower horizontal part, and the sprue runs through vertical portion, the secondary flow road
Through middle horizontal part.
6. a kind of press-bearing water tank protective device according to claim 3, it is characterised in that: be provided with side in the sprue
Logical baffle ring, the bypass baffle ring are provided with the first recirculation hole, and the bypass cock includes the bypass being slideably positioned in sprue
The bypass of spool, the bypass elastic component being set between bypass spool and bypass baffle ring and one end for contradicting bypass spool is fixed
Position ring, the bypass positioning ring are installed in the one end of sprue close to outlet passage, the bypass positioning ring be provided with for
Second recirculation hole of the first recirculation hole connection bypasses one end of spool for blocking the second recirculation hole.
7. a kind of press-bearing water tank protective device according to claim 6, it is characterised in that: the inner wall of the sprue is arranged
There is the 5th internal screw thread, the bypass positioning ring is provided with the 4th external screw thread being spirally connected with the 5th internal screw thread, the 5th internal screw thread
Reach be greater than the 4th externally threaded reach.
8. a kind of press-bearing water tank protective device according to claim 6, it is characterised in that: the bypass baffle ring is additionally provided with
First guide hole parallel with the first recirculation hole, the other end of the bypass spool is provided with leads with the first of the cooperation of the first guide hole
Bar.
9. a kind of press-bearing water tank protective device according to claim 3, it is characterised in that: be provided with and let out in the secondary flow road
Baffle ring is pressed, the pressure release baffle ring is provided with third recirculation hole, and the compression relief cock includes being installed in secondary flow road far from sprue
It the pressure release positioning ring of one end, the pressure releasing valve core being slideably positioned in secondary flow road and is set between pressure releasing valve core and pressure release positioning ring
Pressure release elastic component, the pressure release positioning ring is provided with the 4th recirculation hole being connected to third recirculation hole, the pressure releasing valve core
One end is for blocking third recirculation hole.
10. a kind of press-bearing water tank protective device according to claim 9, it is characterised in that: the inner wall in the secondary flow road is set
It is equipped with the 6th internal screw thread, the pressure release positioning ring is provided with the 5th external screw thread being spirally connected with the 6th internal screw thread, spiral shell in the described 6th
The reach of line is greater than the 5th externally threaded reach；The pressure release positioning ring is additionally provided with parallel with the 4th recirculation hole
Second guide hole, the other end of the pressure releasing valve core are provided with the second guide rod with the cooperation of the second guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940818.5U CN208687996U (en) | 2018-06-15 | 2018-06-15 | A kind of press-bearing water tank protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940818.5U CN208687996U (en) | 2018-06-15 | 2018-06-15 | A kind of press-bearing water tank protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208687996U true CN208687996U (en) | 2019-04-02 |
Family
ID=65878654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820940818.5U Active CN208687996U (en) | 2018-06-15 | 2018-06-15 | A kind of press-bearing water tank protective device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759095A (en) * | 2018-06-15 | 2018-11-06 | 骆德育 | A kind of press-bearing water tank protective device |
-
2018
- 2018-06-15 CN CN201820940818.5U patent/CN208687996U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759095A (en) * | 2018-06-15 | 2018-11-06 | 骆德育 | A kind of press-bearing water tank protective device |
| CN108759095B (en) * | 2018-06-15 | 2023-08-25 | 骆德育 | Pressure-bearing water tank protection device |
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