A kind of pressure pot in water cleaning systems
Technical field
The present invention relates to Household water purification equipments, more particularly to a kind of pressure pot in water cleaning systems.
Background technology
Pressure pot is mainly used for water storage in household water purification system, and it is larger generally to bear pressure.With the fierceness of competition, pressure
The price of bucket declines, and plastic barrel constantly substitutes steel drum.In existing market, plastic pressure bucket is in order to cost-effective, plastic wall
The ratio of manufacture is relatively thin.Because of the influence of manufacturing process, along with after excess load water storage, plastic pressure bucket can gradually expand, often
Nian Douhui, which has plastic pressure bucket to be difficult to pressure-bearing, to be caused to explode, and danger is caused to kitchen in family, but also producer causes huge reparation
Loss.
Invention content
The goal of the invention of the present invention is provided a kind of for water purification system to solve the problems, such as that existing pressure pot safety is poor
Pressure pot in system, when the water in pressure pot, which is filled it up with, generates water injection pressure, pressure limiting valve closes water inlet, to limit a barrel internal pressure
Power continues to increase, and prevents pressure pot from bursting;When water filling external pressure is shed, pressure limiting valve, which automatically opens, becomes normally opened.
In order to achieve the above-mentioned object of the invention, present invention employs following technical schemes:
A kind of pressure pot in water cleaning systems, including pressure pot ontology, pressure pot ontology top open up one and are used for
Water enters the inlet and outlet in bucket, and the import and export is additionally provided with the pressure limiting valve for preventing overvoltage;The pressure limiting valve is more than certain note
It can be automatically closed cut-out water filling when entering hydraulic pressure threshold value, automatically open the normally open valve of water outlet when less than threshold value again.
Preferably, pressure limiting valve includes valve seat, ball valve core and the piston component for driving ball valve core to rotate;Valve seat
It is equipped with the first disengaging aquaporin, the second disengaging aquaporin and bypass channel, the first disengaging aquaporin and the second disengaging aquaporin
Between valve seat be equipped with ball valve core installation cavity;Piston component installation cavity, ball valve are equipped in the valve seat of bypass channel output end
Spool is located in ball valve core installation cavity, and ball valve core input terminal connects the piston component, and ball valve core output end is located at the
Between one disengaging aquaporin and the second disengaging aquaporin;Piston component includes piston, the valve rod for driving ball valve core to rotate
And spring;Piston includes pressure input face and output face;Valve rod one end is fixedly connected with ball valve core, the valve rod other end and the work
Rotatable engagement is filled in, spring is located in piston component installation cavity, and is sleeved on outside the valve rod other end;One end of spring is connected in piston component
It installs on cavity wall, the other end is against piston output face;Piston seal is installed in piston component installation cavity and pressure input face
Towards bypass channel output end.
Preferably, the piston is equipped with inside spin line, the valve rod other end is equipped with external spiral line.
Preferably, the middle part of the piston output face is equipped with stud, stud is equipped with external spiral line;On the valve rod other end
Equipped with the matched inner bolt hole of the stud.
Preferably, valve rod one end is sealed with a circle is equipped in the piston component installation cavity of the valve core junction of receiving
The top of filler, a circle airtight and watertight padding is equipped with annular pressing ring, and one end of spring compresses airtight and watertight padding by annular pressing ring, between
It is connected in succession on piston component installation cavity wall.
Preferably, the piston component installation cavity between piston and annular pressing ring forms a closed cavity;On pressure limiting valve
Equipped with display column, display column includes fixed and valve seat outer wall and stretches out in the transparent column of the valve seat outer wall and be located at transparent column
Interior floating plug;Transparent column inner end sealing is connected to the cavity;In the floating plug sealing installation and the transparent column.
Preferably, bypass channel is L-shaped channel, the output end of bypass channel corresponds to the piston centre.
Compared with prior art, a kind of pressure pot in water cleaning systems of above-mentioned technical proposal is used, is had such as
Lower advantageous effect:
One, pressure pot of the invention, when the water in pressure pot is filled it up with, the pressure in external water pipe increases, and works as outside water
When the pressure that pipe is applied to bypass channel is more than resetting spring in pressure limiting valve, piston pushes driving stem rotation, to rely on ball
Valve finds to close pressure limiting valve, and then limits pressure in bucket and continue to increase, and prevents pressure pot from bursting.
Two, it when big due to the internal pressure of above-mentioned pressure pot, will be conducted to bypass channel, i.e. internal pressure quilt as long as pressure limiting valve opens
Pressure limiting closes pressure limiting by ball valve, and the hydraulic pressure that ball valve is born is very high.Therefore wall thickness demand reduces, without being further added by
Blocked up wall thickness it is ensured that pressure ability to bear, effectively reduce materials'use amount and the weight of pressure pot.
Three, the inflow and outflow channel on current pressure pot is usually same, therefore, and meanwhile it is net in pressure charge bucket
Water will also ensure that when external pressure is shed, pressure limiting valve can automatically open into the pressure limiting valve gone out.And the disengaging side of more pipelines
The pressure pot of formula is eliminated in water cleaning systems already, therefore bypass channel is just utilized in the pressure limiting valve of the present invention, these are novel
Structure, realize the purpose of above-mentioned pressure limiting.After large-scale production, pressure limiting valve is at low cost, durable and even if after spring breaking down,
Also only resulting in the water in pressure pot can not flow out, but not pressure limiting is caused to be failed, and ensure that pressure pot does thin devoid of risk.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram for the pressure pot in water cleaning systems of the present invention.
Fig. 2 is the cross-sectional view of pressure limiting valve open state of the present invention.
Fig. 3 is the cross-sectional view of pressure limiting valve closed state of the present invention.
Fig. 4 is the fit structure schematic diagram of piston component and ball valve core in the embodiment of the present invention 2.
Reference numeral:
1, staving;10, pressure limiting valve mounting groove;11, it imports and exports;2, pressure limiting valve;20, valve seat;200, bypass channel;2001、
Bypass channel output end;201, the first disengaging aquaporin;202, the second disengaging aquaporin;23, piston component;230, piston;
231, valve rod;231a, external spiral line;232, annular pressing ring;233, airtight and watertight padding;234, ball valve core;235, spring;24, it shows
Show column;240 transparent columns;241, floating plug;25, trip bolt.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1:
A kind of pressure pot in water cleaning systems as shown in Figures 1 to 4, including pressure pot ontology 1, pressure pot ontology 1
Top is set there are one pressure limiting valve mounting groove 10, and the inlet and outlet 11 entered for water in bucket are opened up in pressure limiting valve mounting groove 10,
Pressure limiting valve 2 is packed into pressure limiting valve mounting groove 10 and the pipe of output end stretches into inlet and outlet 11.Pressure limiting valve 2 therein is more than certain note
It can be automatically closed cut-out water filling when entering hydraulic pressure threshold value, automatically open the normally open valve of water outlet when less than threshold value again.Its specific knot
Structure is as follows:
Pressure limiting valve 2 includes valve seat 20, ball valve core 234 and the piston component 23 for driving ball valve core to rotate.Valve seat
20 i.e. valve casing, the interior first disengaging aquaporin 201, second that is equipped with of valve casing pass in and out aquaporin 202 and bypass channel 200, the first disengaging
Aquaporin 201 and second passes in and out the valve seat between aquaporin 202 and is equipped with ball valve core installation cavity.Second disengaging aquaporin 202
Corresponding is exactly above-mentioned 2 output end of pressure limiting valve, it stretches into inlet and outlet 11 and is tightly connected.200 output end of above-mentioned bypass channel
Piston component installation cavity is equipped in valve seat 20, piston component installation cavity is connected to ball valve core installation cavity.Above-mentioned ball valve core 234
In in ball valve core installation cavity, 234 input terminal of ball valve core connects piston component 23, and 234 output end of ball valve core is located at first
It passes in and out between aquaporin 201 and second passes in and out aquaporin 202, bypass pressure controls piston component 23, to controlling ball valve
234 rotary opening and closing of core.
More specifically, above-mentioned piston component 23 includes piston 230,231 and of valve rod for driving ball valve core to rotate
Spring 235.Piston 230 includes pressure input face and output face, and the hydraulic pressure of bypass channel output corresponds to pressure input face, output
Facing towards spool.231 one end of valve rod is fixedly connected with ball valve core 234,231 other end of valve rod and 230 rotatable engagement of piston.Rotation
With being combined into:Piston 230 is equipped with inside spin line, and 231 other end of valve rod is equipped with external spiral line 231a, and piston 230 is axial to be pushed
Close to ball valve core 234, will driving stem 231 rotate, to drive ball valve core 234 to rotate so that on ball valve core 234
Trepanning 2340 connection first disengaging aquaporin 201 and second pass in and out aquaporin 202.Piston 230 is seal-installed on piston component
In installation cavity and pressure input face is towards 200 output end 2001 of bypass channel.In order to enable after pressure limiting valve is closed, under external pressure is small
It can automatically open, spring 235 is located in piston component installation cavity, and is sleeved on outside 231 other end of valve rod.The one of spring 235
End is connected on piston component installation cavity wall, and the other end is against 230 output face of piston.
Above-mentioned bypass channel 200 is L-shaped channel, and the output end of bypass channel 200 corresponds to 230 center of piston.L-shaped channel
Side be fixed on except a lid, which is used to seal at the top of the top of piston component installation cavity.Therefore, above-mentioned bypass
200 output end 2001 of channel is exactly the through-hole in the middle part of lid, it is connected between L-shaped channel and piston component installation cavity.Lid is logical
Cross 25 fixing seal piston component installation cavity open top of trip bolt.Since bypass channel 200 is L-shaped channel, trip bolt
25 can be three pieces not on the same line, good fixing effect.
231 one end of above-mentioned valve rod is filled out with a circle sealing is equipped in the piston component installation cavity for 234 junction of valve core of receiving
The top of material 233, a circle airtight and watertight padding 233 is equipped with annular pressing ring 232, and one end of spring 235 is compressed close by annular pressing ring 232
Packing material 233, to be indirectly coupled on piston component installation cavity wall.It is pressed by 232 elasticity of annular pressing ring using spring 235
Airtight and watertight padding 233 can seal to realize while valve rod rotation again.Due to not being extremely to seal, this elastic packing effect is non-
Chang Hao.Under normality, spring 235 just has certain pressure, can the 233 holding sealing of elastic means of press seals filler.It is pushed in piston 230
When, the pressure increasing by compression of spring 235 so that leakproofness is better.
In the foregoing description, specific piston component installation cavity is cylindrical chamber, and 230 outer rim of piston is also rounded, living
230 outer walls are filled in be sealingly mounted in piston component installation cavity by sealing ring.Piston between piston 230 and annular pressing ring 232
Component installation cavity forms a closed cavity.Pressure limiting valve 2 is equipped with display column 24, and display column 24 includes fixed and 20 outer wall of valve seat
And stretch out in the transparent column 240 of the valve seat outer wall and the floating plug 241 in transparent column.The sealing of 240 inner end of transparent column connects
Lead to above-mentioned cavity, floating plug 241 is seal-installed in transparent column 240.The effect of display column 24 is to push in piston 230, driving
When valve rod 231 is rotated so that ball valve core 234 is opened, floating plug 241 in display column 24 makes it in transparent column 240 due to air pressure
It floats, you can differentiate whether ball valve core 234 is opened, while can also be according to the big of 241 position judgment ball valve core 234 of floating plug
Cause aperture.
Embodiment 2:
As shown in figure 4, the present embodiment is compared with Example 1, difference lies in:The middle part of 230 output face of piston is equipped with stud,
Stud is equipped with external spiral line.231 other end of valve rod is equipped with and the matched inner bolt hole of stud;Matching relationship and embodiment 1 are proper
It is good opposite.
The above is the preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art
Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.