CN109529441A - Explosion-proof type prefilter - Google Patents
Explosion-proof type prefilter Download PDFInfo
- Publication number
- CN109529441A CN109529441A CN201811551419.0A CN201811551419A CN109529441A CN 109529441 A CN109529441 A CN 109529441A CN 201811551419 A CN201811551419 A CN 201811551419A CN 109529441 A CN109529441 A CN 109529441A
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- Prior art keywords
- outer housing
- connector
- explosion
- proof type
- hollow body
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- 238000011045 prefiltration Methods 0.000 title abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 87
- 238000007789 sealing Methods 0.000 claims description 28
- 230000000712 assembly Effects 0.000 claims description 22
- 238000000429 assembly Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 18
- 230000008014 freezing Effects 0.000 description 15
- 238000009434 installation Methods 0.000 description 7
- 241001270131 Agaricus moelleri Species 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009172 bursting Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000036982 action potential Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of filters, and discloses an explosion-proof pre-filter which comprises a connector and a filter assembly connected with the connector. The invention has strong environmental adaptability, can prevent the low-temperature frost cracking phenomenon and is beneficial to reducing the cost expenditure.
Description
Technical field
The present invention relates to filter technology field more particularly to a kind of explosion-proof type fore filters.
Background technique
Current bathroom market, full-automatic flushing closestool are just more and more used more widely.Although intelligent closestool is to people
Life bring many conveniences, comfortable, but due to closestool cleaning be user's private parts, to the quality requirement of water
Relatively high, the water that intelligent closestool uses is directly more pure from Running-water Company's export, but water is passed by long-distance pipe
After defeated, lead to water degradation since the secondary pollutions such as silt iron rust in pipeline can generate sundries, user cannot trust completely, pacify
Complete uses intelligent closestool, and in addition to this, the bad service life on intelligent closestool equipment itself of water quality will also result in influence.
It solves the above problems, introduces filter, to reuse after filtering impurities in water, as notification number is
" a kind of easy-to-dismount intelligent closestool fore filter " disclosed in the patent document of CN207056043U has a water inlet
With two water outlets, the first water outlet is connected with intelligent closestool, and the second water outlet is connected with discharging device, element kit
Water outlet is connected with the second water outlet, i.e. the second water outlet water outlet be filtered water, the first water outlet water outlet for without
The water of filter.
A kind of for another example " prefilter of mating intelligent closestool disclosed in the patent document of Publication No. CN108704365A
Device ".Currently, since part extremely cold area winter is because of the very easy icing of water at low temperature, the especially lesser environment of water flow action potential
In, which results in existing filters in use, and water is when encountering pole cold air time in filter chamber body, easily
Freezing and expansion causes filter cavity to burst, crack or destroy the phenomenon that former design sealing means lead to leak generation, affects
The normal use of intelligent closestool.It is asked as it can be seen that how effective anti-freezing explosion-proof is that current intelligent closestool filter is urgently to be solved
Topic.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide one kind to prevent low-temperature frozen
Phenomenon appearance is split, the explosion-proof type fore filter of cost payout is reduced.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of explosion-proof type fore filter, including connector and the filter assemblies being connect with the connector, the filter assemblies
It is formed in gap including outer housing, set on the intracorporal filter core of the shell and between the outer housing and the filter core
Compressible hollow body.
In above scheme, increases compressible hollow body and is arranged between the outer housing and the filter core in formation gap,
Compressible hollow body is arranged to keep figure integrality under municipal water pressure, keeps hollow state and do not influence water flow passing through,
When water freezing expands in outer housing, compressible hollow body is squeezed, makes compressible hollow body compressive deformation, vacating space, release
Stress caused by freezing and expansion, to reduce a possibility that outer housing is bursting at the collision or cracks, not only structure design is simple, also makes
The fore filter for obtaining this programme has the excellent performance of Low-temperature antifreeze, advantageously reduces user cost expenditure, improves
User experience.
Further, the outer housing include cylindrical portion and be set to the cylindrical portion top molding dome in conjunction
Portion, the compressible hollow body are hollow sphere, and the hollow sphere is placed in the interior intracavitary of the dome portion formation, the cylindrical portion
Bottom end is open and connection is connected with the connector.
Further, the bottom end of the cylindrical portion is equipped with molding hollow interconnecting piece in conjunction, the hollow interconnecting piece
It is equipped with threaded portion close to one end of the cylindrical portion bottom end, the other end is equipped with extending portion；The outer surface of the threaded portion is equipped with spiral shell
Line, the extending portion outer surface offer the first groove, and first groove is along extending portion end setting in one week and at least
It is one, the first sealing ring is equipped in first groove；The connector is equipped with for connecting with the hollow interconnecting piece
It is described to the receiving channel being equipped in interface for receiving the extending portion, the inner wall of the receiving channel and described first to interface
Sealing ring is close to, described to be equipped with interface inner surface for being threadedly engaged the internal screw thread being spirally connected with described.
Further, the bore of the threaded portion is greater than the bore of the extending portion, the threaded portion and the extending portion
One end end face to connect is arranged in the prominent part of the retention bead of multiple circumferentially array distributions, the limit to the extending portion extending direction
The lower end surface of position protrusion and the upper surface of the receiving channel abut against.
Further, the water outlet end outer surface of the filter core offers the second groove, is equipped in second groove
Second sealing ring.
Further, the connector is equipped with water inlet, to interface, the first water outlet and the second water outlet, described outer
Shell connect interface with the connector by described；Drainpipe, the water inlet of the drainpipe are equipped in the connector
End connect interface with the water outlet of the filter core across described, and second sealing ring is interior with the water inlet end of the drainpipe
Wall is close to, and the water outlet of the drainpipe passes through first water outlet and passes through locking nut and the connector removably
Connection.
Further, the connector and the filter assemblies are detachably connected.
Further, the outer surface of the outer housing is arranged in the prominent part of multiple reinforcing ribs, and multiple reinforcing ribs are along described outer
The top of shell extends to bottom end and equidistantly distributed.
Further, the outer housing include cylindrical portion and be set to the cylindrical portion top molding flat-top in conjunction
Portion, the upper surface of the flat top portion is plane and recess is formed with strengthening groove downwards.
Further, the compressible hollow body is equipped with venthole, integrally formed with for by institute at the venthole
It states gas in compressible hollow body and is expelled to the exhaust pipe outside the outer housing, the outer housing, which is equipped with, runs through the outer housing
Through-hole, the sealing of the outlet side of the exhaust pipe and the through-hole docks.
After adopting the above technical scheme, the beneficial effects of the present invention are: being arranged by increasing compressible hollow body described
It is formed in gap between outer housing and the filter core, so that the water formed in gap between the outer housing and the filter core is being tied
Ice can first pass through when expanding squeezes compressible hollow body, and vacating space reduces to expand to release stress and answers masterpiece to outer housing
With reducing outer housing a possibility that bursting；It is preferred that compressible hollow body can just compress when being under pressure, and have back
Elastic energy, i.e., when ice becomes water again in outer housing, compressible hollow body can restore hollow state, to bear water knot next time
The stress release of ice expansion；
Outer housing is equipped with dome portion, and compressible hollow body is hollow sphere, and hollow sphere is placed in dome portion, sets at the top of one side outer housing
For dome shape, be conducive to the ability for reinforcing resistance to compression anticracking at the top of outer housing, on the other hand compressible hollow body is limited in dome portion,
Effective vacating space can be improved, reduce expansion and release stress external shell stress effect, the reliability of resistance to compression anticracking；
Hollow interconnecting piece is equipped with threaded portion and extending portion, and connector is equipped with to match to be formed with threaded portion to interface and be spirally connected, both connected
It connects close and easy for assemble or unload；Receiving channel and extending portion form grafting, and tight by the inner wall of the first sealing ring and receiving channel
Patch forms sealing, improves the leakproofness of connector Yu filter assemblies junction, is conducive to avoid junction leak；
On the one hand the setting of retention bead is conducive to increase the structural strength of hollow interconnecting piece, preventing from freezing ruptures, another convenience
Be conducive to that limitation extending portion is cooperated to protrude into degree with receiving channel, avoid the filter assemblies from excessively screwing in connector and to influence water route smooth
It is logical, then cooperate the threaded portion and extending portion of hollow interconnecting piece, so that the technical difficulty of filter assemblies installation reduces, it is close after installation
Property, good reliability；
The water outlet end of filter core is equipped with the second sealing ring, and connector is equipped with drainpipe, and the inner wall of drainpipe water inlet end is close to the
Two sealing rings form sealing, are conducive to that filtered water is avoided to reveal, ensure water purification efficiency；
Connector and filter assemblies, which are detachably connected with, is conducive to only replace filter assemblies to ensure purifying water effect, reduction resource wave
Take；
Compressible hollow body is set equipped with venthole, integrally formed with exhaust pipe, the outlet side of exhaust pipe at venthole
Seal the design docked with through-hole so that when pressure of the compressible hollow body by freezing and expansion, in air can be with total number
Discharge, increases the volume of vacating space, is conducive to further decrease a possibility that outer housing is burst or cracked, and compressible sky
The above-mentioned design that the hollow lumen of heart body communicates with the outside world can facilitate subsequently through filling hot water, setting calandria inside and determine
The mode of Shi Jiare, to avoid the generation of icing phenomenon, so that solving fore filter from the root can not be under low-temperature condition
The problem of anti-freezing explosion-proof.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly or the technical solution of the prior art, attached drawing are as follows:
Fig. 1 is the fore filter structural schematic diagram that the embodiment of the present invention 1 provides；
Fig. 2 is that the fore filter that the embodiment of the present invention 2 provides splits structure sectional view；
Fig. 3 is the hollow interconnecting piece structural schematic diagram that the embodiment of the present invention 2 provides；
Fig. 4 is the fore filter overall structure cross-sectional view that the embodiment of the present invention 3 provides；
Fig. 5 is the filter assemblies cross-sectional view that the embodiment of the present invention 4 provides.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of explosion-proof type fore filter, including connector 100 and with the connector 100
The filter assemblies 200 of connection, the filter assemblies 200 include outer housing 210, the filter core 220 in the outer housing 210 with
And the compressible hollow body 230 between the outer housing 210 and the filter core 220 in formation gap.Compressible hollow body
230 have hollow lumen, and can be compressed deformation, and shape can be diversified, such as spherical, cuboid shape, it should be noted that
, compressible 230 outer surface of hollow body is without gas leak treatment in the present embodiment, in order not to adding because of compressible hollow body 230
Lead to the reduction of this programme fore filter filter efficiency, it can be on the original basis according to the volume size of compressible hollow body 230
Suitably expand the cavity size of outer housing 210 with profile.The volume size of compressible 230 hollow lumen of hollow body then can be according to mistake
In filter component 200 disposably can water volume, disposably can water become the volume after ice and outer housing 210 completely and can hold
The coefficient of expansion received specifically calculates.
Specifically, the structure setting of connector 100 and connector 100 and the connection type of filter assemblies 200 can refer to
Design applied to the filter of intelligent closestool in the prior art, such as notification number is the patent document institute table of CN207056043U
The design stated, furthermore see also existing design, it will not go into details herein, needs for the installation of filter core 220 and outer housing 210 and cooperation
It is formed in gap, it is emphasized that compressible hollow body 230 is set between the outer housing 210 and the filter core 220, in order not to shadow
The efficiency that filter core 220 crosses drainage is rung, compressible hollow body 230 need to be set and formed in gap between outer housing 210 and filter core 220
Location is relatively fixed, can't move with water flow, will not stop the contact surface of filter core 220 Yu water, such as is arranged
Compressible hollow body 230 is abutted and is fixed on the inner wall of outer housing 210, preferably the inner wall of outer housing 210 cover described in can
Compress hollow body 230；It is caused to locate for a long time when water flow is passed through in order to make municipal hydraulic pressure not squeeze compressible hollow body 230
The useful space is vacateed when compressive state influences later period water freezing, and when compressible 230 selection of hollow body need to select the city Neng
The material of the integrality of volume is kept in political affairs hydraulic pressure, i.e., water flow is out-of-date can get around the compressible flowing of hollow body 230, can't squeeze
Compressible hollow body 230, only When water is turned into ice, and compressible hollow body 230 just understands extrusion；For compressible hollow body
230 are able to bear the stress release of water freezing expansion next time, and need to design compressible hollow body 230 has preferable elasticity system
Number, ensure that it can become again water in ice, not by expansive force when restore hollow state.
In above scheme, increases compressible hollow body 230 and shape is set between the outer housing 210 and the filter core 220
At in gap, compressible hollow body 230 is arranged to keep figure integrality under municipal water pressure, keeps hollow state and not shadow
Xiangshui County's stream passes through, and when water freezing expands in outer housing 210, the ice of expansion can slowly squeeze compressible hollow body 230, make to press
230 compressive deformation of contracting hollow body discharges stress caused by the freezing and expansion of part so that vacating space is stored for the ice of expansion
Afterwards, the stress of outer housing 210 can be reduced, so that a possibility that outer housing 210 is bursting at the collision or cracks is reduced, before the present embodiment
Setting filter, not only structure design is simple, and design, manufacturing cost can be made to be controlled, have the fore filter low
The freeze proof excellent performance of temperature advantageously reduces user and replaces cost payout caused by the fore filter of damage, enhances ring
Border adaptability, improves user experience.
Embodiment 2
As shown in Fig. 2, the present embodiment the difference from embodiment 1 is that, the outer housing 210 include cylindrical portion and be set to the circle
Canister portion top molding dome portion 211 in conjunction, the compressible hollow body 230 are preferably hollow sphere, and the hollow sphere is set
Intracavitary in the dome portion 211 is formed, the bottom end of the cylindrical portion is open and connection is connected with the connector 100.
Specifically, dome portion 211 and cylindrical portion junction are equipped with limit hollow sphere and prevent its disengaging 211 inner cavity of dome portion
Blocking portion, the bottom end open-mouth of cylindrical portion in addition to can with the integrally formed connection of connector 100 and be connected it is outer, can also be such as bulletin
Number for CN207056043U patent document described in be detachably connected by the way of being spirally connected with connector 100, the former is conducive to
Reducing has the node of leak risk to design, and the latter is conducive to individually abandoning and replace for filter assemblies, saves use cost, saves
The time of installation and replacement is detachably connected in Fig. 2 for connector 100 and the bottom end of cylindrical portion.
Dome portion 211 is the design of dome shape, i.e., forms a hemisphere space at the top of outer housing 210, on the one hand may be used
Top load is switched to the axial compression stress " encircleed ", increases the intensity of outer housing 210, it on the other hand can be by compressible hollow body
230 are designed to that hollow ball-shape is placed in the interior intracavitary of the formation of dome portion 211, so that hollow sphere is limited in dome portion 211 not
While influencing filter core water purification efficiency, can when water becomes ice by the guiding release of generated compression part to being equipped with hollow sphere
Dome portion 211 at, by extruded hollow deformation of ball, discharge more stress again can vacating space, at dome portion 211
Intensity is larger, therefore greatly reduces a possibility that outer housing 210 is led to rupture by freezing and expansion, and the resistance to compression of product, low temperature are anti-
Split better reliability.In addition, also a plurality of reinforcing rib can be extended to bottom end from the top in the dome portion 211 of outer housing 210, come
Increase the structural strength of outer housing 210 on the whole.
Preferably, the bottom end of the cylindrical portion is equipped with molding hollow interconnecting piece in conjunction, in hollow interconnecting piece inside
Sky, both ends are open, and the hollow interconnecting piece is equipped with threaded portion 212 close to one end of the cylindrical portion bottom end, and the other end is equipped with
Extending portion 213；Threaded portion 212 and the bottom end of cylindrical portion, which are integrally formed, to be connected, and the outer surface of threaded portion 212 is equipped with screw thread, described
213 outer surface of extending portion offers the first groove, and first groove is along 213 end of extending portion setting in one week and is at least
One, first groove is interior to be equipped with the first sealing ring 2131；The connector 100 is equipped with for connecting with the hollow interconnecting piece
Connect to interface 110, it is described to the receiving channel 111 being equipped in interface 110 for receiving the extending portion 213, the receiving channel
111 inner wall is close to first sealing ring 2131, described to be equipped with 110 inner surface of interface for being threadedly engaged spiral shell with described
The internal screw thread connect.Receiving channel 111 is located in interface 110, and cross-sectional area is less than to 110 cross-sectional area of interface, slot
Side can be spaced apart setting with to 110 inner surface of interface as shown in Figure 2, can also be overlapped setting with to 110 inner surface of interface.
When installation, first extending portion 213 is inserted into form interface 110 and receiving channel 111 and cooperated, the first sealing ring 2131 with
The inner wall of receiving channel 111 is close to form the connection and sealing of the first level, then rotates entire filter assemblies so that screw thread with it is interior
The connection and sealing for screwing and forming the second level are threadedly engaged, connector 100 and 200 junction of filter assemblies are greatly improved
Leakproofness is conducive to avoid junction leak.In addition, grafting and the mounting means being spirally connected are also relatively simple, installation difficulty
It is not high, it is not easy to system leak caused by Rig up error occur, filter assemblies 200 replace fast and easy, preventing water leakage good reliability.
Further, as shown in figure 3, the bore that the threaded portion 212 is arranged is greater than the bore of the extending portion 213, institute
Stating one end end face that threaded portion 212 connects with the extending portion 213, (i.e. on threaded portion 212 the opposite end for protruding from extending portion 213
Face) extending portion Xiang Suoshu 213 extending direction be arranged in the prominent part of the retention beads 2121 of multiple circumferentially array distributions, the limit convex
It plays 2121 lower end surface and the upper surface of the receiving channel 111 abuts against, it should be noted that the lower end surface of retention bead 2121
With the upper surface of trough rim of the protrusion of receiving channel 111 rather than the upper surface of 111 slot bottom of receiving channel abuts against.Retention bead 2121
On the one hand design can play the role of reinforcing entire hollow interconnecting piece structural strength, prevent hollow interconnecting piece from rupturing because freezing,
On the other hand can cooperate limitation extending portion 213 with the trough rim of receiving channel 111 protrudes into degree, and filter assemblies 200 is avoided excessively to revolve
Enter connector 100 and influence that water route is unimpeded, while retention bead 2121 separates the trough rim of threaded portion 212 and receiving channel 111, has
Conducive to avoiding 212 screwing operations of threaded portion from being damaged by the extruding of the trough rim of receiving channel 111, leakproofness is influenced.
Embodiment 3
As shown in figure 4, the difference of the present embodiment the first two embodiment therewith is, the water outlet end appearance of the filter core 220
Face offers the second groove, is equipped with the second sealing ring 221 in second groove.
The connector 100 is equipped with water inlet 120, to interface 110, the first water outlet 130 and the second water outlet 140,
The outer housing 210 connect interface 110 with the connector 100 by described；Drainpipe is equipped in the connector 100
150, the water inlet end of the drainpipe 150 connect interface 110 with the water outlet of the filter core 220 across described, and described second
Sealing ring 221 is close to the inner wall of the water inlet end of the drainpipe 150, and the water outlet of the drainpipe 150 passes through described first
Water outlet 130 is simultaneously detachably connected by locking nut and the connector 100.The water outlet outer surface of drainpipe 150 is set
There is external screw thread, it is further also fixed also for the close installation of external equipment other than for connecting locking with locking nut
Have a sealing ring, sealing ring for being close to the inner wall of the first water outlet 130, avoid water in connector 100 from drainpipe 150 and
Gap between the inner wall of first water outlet 130 is overflowed, in order to facilitate other in the present embodiment fore filter and intelligent closestool
The conducting of equipment connects, and also integrally formed with connector, connector can be internal screw thread for water inlet 120 and the second water outlet 140
For external screw thread.
Currently, the filter of either that type uses a period of time (usually for the quality for ensuring drainage
3-5 months) afterwards with regard to being replaced, therefore filter need to have good characteristic easy to change, therefore be arranged in the present embodiment
The connector 100 and the filter assemblies 200 are detachably connected, detachably connected mode include be spirally connected, snapping etc..More
Dismounting and change filter assemblies 200 are only needed when changing, and are distilled off as half throwing formula, are advantageously reduced cost, economize on resources；Further, originally
In embodiment, outer housing 210 and filter core 220 are removably arranged, and money can be further saved by way of only replacing filter core 220
Source.
The outer surface of the outer housing 210 is arranged in the prominent part of multiple reinforcing ribs 214, and multiple reinforcing ribs 214 are along described outer
The top of shell 210 extends to bottom end and equidistantly distributed.Be conducive to improve 210 structural strength of outer housing.
The outer housing 210 includes cylindrical portion and is set to the cylindrical portion top molding flat top portion in conjunction, described
The upper surface of flat top portion is plane and recess is formed with strengthening groove downwards.Strengthening groove is recessed inwardly, same to have raising flat top portion
The effect of structural strength.It is preferred that strengthening groove is cruciform groove.The appearance profile of compressible hollow body 230 is length in the present embodiment
Rectangular, distribution is fixed on the inner wall of flat top portion and cylindrical portion.
Embodiment 4
As shown in figure 5, the present embodiment and the difference of embodiment before are, the compressible hollow body 230 is equipped with venthole,
Integrally formed with for gas in the compressible hollow body 230 to be expelled to outside the outer housing 210 at the venthole
Exhaust pipe 231, the outer housing 210 are equipped with the through-hole through the outer housing 210, the outlet side of the exhaust pipe 231
It is docked with through-hole sealing.The connection that can be integrally formed is docked with through-hole sealing in the outlet side of exhaust pipe 231, can also be
The outlet side sealing of exhaust pipe 231 is plugged in through-hole, so that seamless between 231 outer wall of exhaust pipe and through-hole wall
Gap.
Specifically, compressible hollow body 230 is equipped with venthole, integrally formed with exhaust pipe, exhaust pipe at venthole
The outlet side in road 231 seals the design docked with through-hole, so that when pressure of the compressible hollow body 230 by freezing and expansion,
Interior air can be expelled to outside outer housing 210 with total number from through-hole, increase the volume of vacating space, be conducive to further decrease
A possibility that outer housing is burst or is cracked；The compressible hollow body 230 of the present embodiment embodiment as before in addition to being used to contain
It drops a hint outer, it may also be used for contain exothermic liquid, to avoid the water freezing in filter assemblies 200, if also freezing, hold
Liquid can also be squeezed deformation from through hole discharge because of compressible hollow body 230, not influence crack resistance at low-temperature.
Preferably, it is equipped with conductive fluid and heating tube in the compressible hollow body 230, the heating tube is connected by conducting wire
There is controller, controller is used to control the size and heating duration of heating tube release heat.For compressible 230 deformation of hollow body
When do not destroy the placement of heating tube, its length extends perpendicularly to the direction of ice expansion when preferably heating tube is arranged.It is above-mentioned
Design be conducive to play certain conductive force to the water to circulate between compressible hollow body 230 and filter core 220, thus slow down or
The generation of icing phenomenon is avoided, solving fore filter from the root can not anti-freezing explosion-proof because of the water freezing due under low-temperature condition
Problem.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of explosion-proof type fore filter, including connector and the filter assemblies being connect with the connector, which is characterized in that
The filter assemblies include outer housing, are set to the intracorporal filter core of the shell and are set between the outer housing and the filter core
Form the compressible hollow body in gap.
2. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that the outer housing includes cylindrical portion
With set on the cylindrical portion top molding dome portion in conjunction, the compressible hollow body is hollow sphere, the hollow sphere
It is placed in the interior intracavitary of the dome portion formation, the bottom end of the cylindrical portion is open to be simultaneously connected connection with the connector.
3. a kind of explosion-proof type fore filter according to claim 2, which is characterized in that the bottom end of the cylindrical portion is equipped with
Molding hollow interconnecting piece in conjunction, the hollow interconnecting piece are equipped with threaded portion close to one end of the cylindrical portion bottom end, separately
One end is equipped with extending portion；The outer surface of the threaded portion is equipped with screw thread, and the extending portion outer surface offers the first groove, described
First groove is equipped with the first sealing ring in first groove along the setting of the extending portion end one week and at least one；Institute
Connector is stated to be equipped with for connect with the hollow interconnecting piece to interface, it is described to being equipped in interface for protruding into described in receiving
The receiving channel in portion, the inner wall of the receiving channel are close to first sealing ring, it is described to interface inner surface be equipped with for institute
State the internal screw thread for being threadedly engaged and being spirally connected.
4. a kind of explosion-proof type fore filter according to claim 3, which is characterized in that the bore of the threaded portion is greater than
The bore of the extending portion, one end end face that the threaded portion connects with the extending portion are prominent to the extending portion extending direction
Retention bead equipped with multiple circumferentially array distributions, the lower end surface of the retention bead and the upper surface of the receiving channel offset
It connects.
5. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that the water outlet end of the filter core
Outer surface offers the second groove, is equipped with the second sealing ring in second groove.
6. a kind of explosion-proof type fore filter according to claim 5, which is characterized in that the connector is equipped with water inlet
Mouthful, to interface, the first water outlet and the second water outlet, the outer housing connect interface with the connector by described；
Drainpipe is equipped in the connector, the water inlet end of the drainpipe passes through the water outlet to interface and the filter core and connects
It connects, second sealing ring is close to the inner wall of the water inlet end of the drainpipe, and the water outlet of the drainpipe passes through described the
One water outlet is simultaneously detachably connected by locking nut and the connector.
7. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that the connector and the filtering
Component is detachably connected.
8. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that the outer surface of the outer housing is prominent
It is equipped with multiple reinforcing ribs out, multiple reinforcing ribs extend along the top of the outer housing to bottom end and equidistantly distributed.
9. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that the outer housing includes cylindrical portion
Be set to the cylindrical portion top molding flat top portion in conjunction, the upper surface of the flat top portion is plane and downward concave shape
At there is strengthening groove.
10. a kind of explosion-proof type fore filter according to claim 1, which is characterized in that on the compressible hollow body
Equipped with venthole, integrally formed with for gas in the compressible hollow body to be expelled to the outer housing at the venthole
Outer exhaust pipe, the outer housing are equipped with the through-hole through the outer housing, and the outlet side of the exhaust pipe leads to described
Hole sealing docking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551419.0A CN109529441A (en) | 2018-12-19 | 2018-12-19 | Explosion-proof type prefilter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551419.0A CN109529441A (en) | 2018-12-19 | 2018-12-19 | Explosion-proof type prefilter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109529441A true CN109529441A (en) | 2019-03-29 |
Family
ID=65855792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551419.0A Pending CN109529441A (en) | 2018-12-19 | 2018-12-19 | Explosion-proof type prefilter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109529441A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439236A (en) * | 2019-09-02 | 2021-03-05 | 珠海格力电器股份有限公司 | Leading filter assembly, leading filter and water purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016901A (en) * | 2012-11-28 | 2013-04-03 | 华英伦科技(宁波)有限公司 | Integrated device for filtering pipelines, removing water hammer and preventing frost crack |
| CN205683662U (en) * | 2016-06-16 | 2016-11-16 | 厦门科牧智能技术有限公司 | A kind of filter with frost-cracking-preventing function |
| CN209809694U (en) * | 2018-12-19 | 2019-12-20 | 福州三协智能科技有限公司 | Explosion-proof type prefilter |
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2018
- 2018-12-19 CN CN201811551419.0A patent/CN109529441A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016901A (en) * | 2012-11-28 | 2013-04-03 | 华英伦科技(宁波)有限公司 | Integrated device for filtering pipelines, removing water hammer and preventing frost crack |
| CN205683662U (en) * | 2016-06-16 | 2016-11-16 | 厦门科牧智能技术有限公司 | A kind of filter with frost-cracking-preventing function |
| CN209809694U (en) * | 2018-12-19 | 2019-12-20 | 福州三协智能科技有限公司 | Explosion-proof type prefilter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439236A (en) * | 2019-09-02 | 2021-03-05 | 珠海格力电器股份有限公司 | Leading filter assembly, leading filter and water purification system |
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