CN108916418B - Pull formula cold and hot tap terminal purifier - Google Patents
Pull formula cold and hot tap terminal purifier Download PDFInfo
- Publication number
- CN108916418B CN108916418B CN201811085128.7A CN201811085128A CN108916418B CN 108916418 B CN108916418 B CN 108916418B CN 201811085128 A CN201811085128 A CN 201811085128A CN 108916418 B CN108916418 B CN 108916418B
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- water
- pipe
- shell
- cold
- filter element
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 255
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000008213 purified water Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000008400 supply water Substances 0.000 abstract description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 241000130764 Tinea Species 0.000 description 1
- 208000002474 Tinea Diseases 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011942 biocatalyst Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
-
- 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
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to water treatment and provides a drawing type cold and hot water tap terminal water purifying device which comprises a tap body, a filter element, a shell, a drawing pipe, a three-inlet valve, a two-outlet valve and a water outlet pipe, wherein one end of a cold water outlet flow channel, which is far away from the tap body, is communicated with an inner pipe of the drawing pipe to supply water for the inner pipe of the drawing pipe, one end of a cold and hot mixed water outlet flow channel, which is far away from the tap body, is communicated with an outlet flow channel formed by the outer side wall of the inner pipe of the drawing pipe and the inner side wall of an outer pipe, so as to supply cold and hot mixed water, the cold and hot mixed water flows through a gap between the outer wall of the filter element and the inner wall of the shell through a through hole of the shell, and the cold and hot mixed water flows out of the water Kong Songchu, which is far away from one end of the drawing pipe, of the shell, of a water outlet of the filter element is in pluggable sealing connection with a second hollow column of the shell, and purified water filtered by the filter element is discharged through the second hollow column. The invention solves the problems of complex structure, inconvenient use and high manufacturing cost of the existing water purifying tap.
Description
Technical Field
The invention relates to water heating equipment, in particular to a water purifying device for a terminal of a drawing cold and hot water tap.
Background
It is known that tap water used by people is treated by sterilization and disinfection after coming out of a water plant, but is subjected to secondary pollution when passing through a pipe network used for a long time, and meanwhile, the tap water contains a large amount of residual chlorine, and the residual chlorine can penetrate cell walls of living natural substances such as algae and bacteria, oxidize enzyme systems (enzyme is a biocatalyst) to deactivate the enzyme systems, and prevent the living activities of the bacteria from being blocked to death. Residual chlorine is also seriously harmful to human body, and can cause dryness, fracture and bifurcation of human hair, and can cause skin whitening, skin layer falling and skin tinea allergy with odd itching. After the chlorine is heated, the chlorine and organic matter in water produce chloroform and other cancerogenic substances. Therefore, the purification is particularly important before the tap water is used, but at present, two control valves are basically arranged for respectively controlling the purified water and the tap water, one of the water outlets is required to be closed before the other water outlet is opened during the use, the use is troublesome, the two water outlets cannot be quickly and effectively switched for use, and meanwhile, the existing drawing type tap with the filtration has the defects of complex structure, large occupied space, high manufacturing cost and inconvenience in replacing the filter element.
Disclosure of Invention
Therefore, the invention provides the drawing type cold and hot water tap terminal water purifying device which has the advantages of simple and reasonable structure, low manufacturing cost, convenient installation and use, rapid and convenient replacement of the filter element and small occupied space.
In order to solve the technical problem, the invention adopts the following scheme: the utility model provides a pull-out cold and hot tap terminal water purification device, including tap body, filter core, casing, pull pipe, three two valves of advancing and discharging pipe, tap body longitudinal center is equipped with the pull pore, tap body lower part is equipped with cold water inlet channel and hot water inlet channel, three two valves of advancing are partly worn to locate tap body middle part, three two valves of advancing include valve body and locate first water inlet, second water inlet, third water inlet, case, first delivery port and second delivery port on the valve body, three two valves of advancing first water inlet and second water inlet pass through case control and first delivery port switch on or cut off the connection, three two valves of advancing third water inlet pass through case control and second delivery port switch on or cut off the connection, hot water inlet channel is linked together with three two valves of advancing first water inlet, the cold water inlet channel is linked together with three two valves of advancing second water inlet and third water inlet respectively, the outlet pipe is linked together with tap body upper portion's pull-out pore top, tap body lower part still is equipped with part and is worn out the cold water inlet and cold water outlet channel of the cold water channel that the body is the cold water channel that two inner tube is linked together with the inner tube, the cold water channel that the inner tube is far away from the inner tube is linked together with the cold water channel that the inner tube is that is out the cold water channel that the inner tube is two outlet that is linked together with the inner tube that is out the cold water channel that the lower tube is that the two outlet tube that the faucet is connected to the lower tube, the utility model provides a cold and hot mixed water that goes out the water runner that tap body one end was kept away from to cold and hot mixed water runner that outer tube inner tube lateral wall and outer tube inside wall constitute is linked together for the water runner that outer tube inner tube lateral wall and outer tube inside wall constitute, the pull pipe passes the pull pore in the tap body and extends to the outlet pipe and form the water outlet structure that can pull, the one end dismantled and assembled sealing connection of outlet pipe is worn out to casing one end and pull pipe, be equipped with the cavity that holds the filter core in the casing, the one end middle part that casing and pull pipe are connected is equipped with the first cavity cylinder that communicates to the casing cavity and is located first cavity cylinder week side and be equipped with the through-hole that communicates to the casing cavity, the first cavity cylinder of casing is located the one end and the pull pipe inner tube sealing connection of pull pipe, but the filter core is located the first cavity cylinder of casing and the water inlet of filter core and the filter core and is got into the filter core through first cavity cylinder plug sealing connection, the one end center that the casing kept away from the pull pipe is equipped with the second cavity cylinder that extends to the casing cavity and is located the second cavity cylinder week and is equipped with the through-hole that the filter core outside wall is equipped with the through-hole that the filter core outer wall and the filter core outside wall of the filter core is equipped with the water runner between the filter core lateral wall and the filter core lateral wall of the filter core.
Further, one end of the shell, which is far away from the drawing pipe, is provided with a detachable bottom cover, the second hollow cylinder is positioned in the middle of the bottom cover, the water outlet hole is positioned on the periphery side of the second hollow cylinder on the bottom cover, and the water outlet of the filter element is in pluggable sealing connection with the second hollow cylinder of the bottom cover.
Further, the faucet further comprises a weight joint, wherein the weight joint is arranged on the pull pipe body of the pull pipe below the faucet body, and the outer diameter of the weight joint is larger than the inner diameter of the pull hole channel.
Further, still include the connecting seat, connecting seat one end is connected with the pull pipe, the connecting seat other end sets up first cavity cylinder one end demountable connection with the casing, the connecting seat center is equipped with the third cavity cylinder and is located third cavity cylinder week side and is equipped with the limbers, the one end that the pull pipe inner tube worn out the outlet pipe seals and inlays the third cavity cylinder one end of locating the connecting seat, the one end that the pull pipe inner tube was kept away from to the first cavity cylinder of casing is sealed to be inlayed and locates the connecting seat third cavity cylinder one end that the pull pipe inner tube was kept away from to the one end of keeping away from the filter core, the cold and hot mixed water that the play water flow channel that pull pipe inner tube lateral wall and outer tube inside wall constitute provided is through the limbers of connecting seat and is flowed through the through-hole of casing and is sent to the play space between filter core outer wall and the shells inner wall from the casing and keep away from the play water Kong Songchu cold and hot mixed water of pull pipe one end.
Furthermore, the two ends of the inner side wall of the third hollow cylinder of the connecting seat are respectively provided with a first annular groove and a second annular groove, the first annular groove and the second annular groove are respectively embedded with a first sealing ring and a second sealing ring, the inner pipe of the drawing pipe is in sealing embedded connection with the third hollow cylinder of the connecting seat through the first sealing ring, and the first hollow cylinder of the shell is in sealing embedded connection with the third hollow cylinder of the connecting seat through the second sealing ring.
Further, the filter element outwards extends towards the center of one end of the first hollow cylinder of the shell to form a water inlet matched with the inner diameter of the first hollow cylinder of the shell, a third annular groove is formed in the outer side wall of the water inlet, a third sealing ring is sleeved on the third annular groove, and the water inlet of the filter element is connected with the first hollow cylinder of the shell in a pluggable sealing mode through the third sealing ring.
Further, the filter element extends outwards towards the center of one end of the second hollow cylinder of the shell to form a water outlet matched with the inner diameter of the second hollow cylinder of the shell, a fourth annular groove is formed in the outer side wall of the water outlet, a fourth sealing ring is sleeved on the fourth annular groove, and the water outlet of the filter element is connected with the second hollow cylinder of the shell in a pluggable sealing mode through the fourth sealing ring.
Further, the cold and hot mixed water outlet flow channel and the cold water outlet flow channel are connected with the drawing pipe through a three-way joint.
By adopting the technical scheme, the invention has the beneficial effects that: the tap body is provided with a hot water inlet channel and a cold water inlet channel, the cold and hot mixed water is controlled by a three-inlet two-outlet valve to flow through a water outlet channel formed by the outer side wall of an inner pipe of a drawing pipe and the inner side wall of an outer pipe through the cold and hot mixed water outlet channel, and flows out of cold and hot mixed water from a shell water outlet hole through a gap formed between the outer side wall of the inner pipe of the drawing pipe and the outer side wall of the filter element, or the cold water is controlled by the three-inlet two-outlet valve to flow through the cold water outlet channel, flows into a water inlet of the filter element in the shell through the inner pipe of the drawing pipe, is filtered, and purified water is sent out after filtered by the filter element, so that when people use, the tap body can send out cold and hot mixed water from the cold and hot mixed water through the gap formed by the inner side wall of the drawing pipe and the outer wall of the filter element through the drawing pipe, or purified water filtered by the filter element from the cold water outlet channel through the inner pipe of the drawing pipe is sent out of the purified water by the second hollow column of the shell, the user can switch the cold and hot mixed water and the purified water by operating the three-inlet two-outlet valve, the water outlet of the other water flow can be automatically closed without operating the two switch valves, whether the other water is closed or not is not needed, and meanwhile, the shell is arranged and connected with the drawing pipe in a detachable and sealing way, so that the water treatment purified water tap can quickly replace the filter element, the replacement speed is high, the replacement is convenient, the occupied space of the purified water tap is greatly saved compared with the existing purified water tap by arranging the filter element on the water outlet end of the drawing pipe, the integral structural space of the water treatment tap with the filtration is greatly simplified, the water treatment tap meets the simple and attractive aesthetic design of modern design, the structure is simple and novel, the use is more convenient, the replacement of the filter element is not limited by space, the replacement is convenient, the water treatment faucet has the advantages that various functions of the water treatment faucet are realized, meanwhile, the manufacturing cost is greatly reduced, the drawing pipe penetrates through the drawing pore canal in the faucet body to extend towards the water outlet pipe to form a drawing water outlet structure, and the shell and the filter element are arranged at the water outlet end of the drawing pipe, so that the use of a user is more flexible and changeable; the shell and the filter element can be integrally formed to be disposable, and the shell and the pull pipe are detachably and hermetically connected, so that the water treatment filter mechanism formed by the shell and the filter element is discarded when the water purifying device of the pull type cold and hot water tap terminal is replaced, and the filter mechanism integrated with the shell and the filter element can be quickly replaced by sealing and installing a new filter mechanism, thereby being simpler and more convenient to use and being widely popularized and applied.
Drawings
Figure 1 is a perspective view of an embodiment of the present invention,
FIG. 2 is a schematic view of a longitudinal cross-sectional structure of an embodiment of the present invention along a water outlet pipe and a three-in two-out valve;
FIG. 3 is a schematic view showing the structure of the drawing pipe, the housing, the filter element, the tap body and the weight joint in a longitudinal section according to the embodiment of the invention;
fig. 4 is an enlarged schematic view of the structure at a of fig. 3.
Detailed Description
The invention will now be further described with reference to the drawings and detailed description.
Referring to fig. 1-4, the preferred drawing cold and hot water tap terminal water purifying device of the invention comprises a tap body 1, a filter element 2, a shell 3, a drawing pipe 4, a three-in two-out valve 5, a water outlet pipe 6, a connecting seat 7, a heavy hammer joint 8 and a three-way joint 9, wherein a drawing duct 101 is arranged at the longitudinal center of the tap body 1, a cold water inlet channel 102 and a hot water inlet channel 103 are arranged at the lower part of the tap body 1, the three-in two-out valve 5 is partially penetrated in the middle part of the tap body 1, the three-in two-out valve 5 comprises a valve body, a first water inlet, a second water inlet, a third water inlet, a valve core, a first water outlet and a second water outlet which are arranged on the valve body, the first water inlet and the second water inlet of the three-inlet two-outlet valve are connected with the first water outlet in a conducting or cut-off way through valve core control, the third water inlet of the three-inlet two-outlet valve is connected with the second water outlet in a conducting or cut-off way through valve core control, the hot water inlet channel 103 is communicated with the first water inlet of the three-inlet two-outlet valve 5, the cold water inlet channel 102 is respectively communicated with the second water inlet and the third water inlet of the three-inlet two-outlet valve 5, the water outlet pipe 6 is connected with the top end of a drawing pore channel 101 at the upper part of the tap body 1, the lower part of the tap body 1 is also provided with a cold and hot mixed water outlet channel 104 and a cold water outlet channel 105 which partially penetrate out of the lower part of the tap body 1, The first water outlet of the three-inlet two-outlet valve 5 is communicated with a cold and hot mixed water outlet channel 104 in the lower part of the tap body 1, the second water outlet of the three-inlet two-outlet valve 5 is communicated with a cold water outlet channel 105 in the lower part of the tap body 1, the drawing pipe 4 is a pipe-in-pipe formed by an inner pipe 401 and an outer pipe 402, one end of the cold water outlet channel 105 far away from the tap body 1 is communicated with the inner pipe 401 of the drawing pipe 4 through a three-way joint 9 to supply water for the inner pipe 401 of the drawing pipe 4, one end of the cold and hot mixed water outlet channel 104 far away from the tap body 1 is communicated with a water outlet channel formed by the outer side wall of the inner pipe 401 of the drawing pipe 4 and the inner side wall of the outer pipe 402 through the three-way joint 9 to supply cold and hot mixed water, The drawing pipe 4 passes through a drawing hole channel 101 in the tap body 1 to extend to the water outlet pipe 6 to form a drawable water outlet structure, the weight joint 8 is arranged on a pipe body of the drawing pipe 4 positioned below the tap body 1 on the drawing pipe 4, the outer diameter of the weight joint 8 is larger than the inner diameter of the drawing hole channel 101, one end of the shell 3 is detachably and hermetically connected with one end of the drawing pipe 4 penetrating out of the water outlet pipe 6, one end of the connecting seat 7 is connected with the drawing pipe 4, the other end of the connecting seat 7 is detachably connected with the shell 3, a cavity for accommodating the filter element 2 is arranged in the shell 3, a first hollow column 301 communicated with the cavity of the shell 3 is arranged in the middle of one end of the shell 3 connected with the connecting seat 7, a through hole 302 communicated with the cavity of the shell 3 is arranged on the periphery of the first hollow column 301, The center of the connecting seat 7 is provided with a third hollow column 701, the periphery of the third hollow column 701 is provided with a water through hole 702, one end of the inner tube 401 of the drawing tube 4 penetrating through the water outlet tube 6 is sealed and embedded at one end of the third hollow column 701 of the connecting seat 7, one end of the first hollow column 301 of the shell 3, which is far away from the filter element 2, is sealed and embedded at one end of the third hollow column 701 of the connecting seat 7, which is far away from the inner tube 401 of the drawing tube 4, two ends of the inner side wall of the third hollow column 701 of the connecting seat 7 are respectively provided with a first annular groove and a second annular groove, a first sealing ring 10 and a second sealing ring 11 are respectively embedded on the first annular groove and the second annular groove, The inner tube 401 of the drawing tube 4 is connected with the third hollow column 701 of the connecting seat 7 in a sealing and embedding way through the first sealing ring 10, the first hollow column 301 of the shell 3 is connected with the third hollow column 701 of the connecting seat 7 in a sealing and embedding way through the second sealing ring 11, the filter element 2 is arranged in the shell 3, the water inlet 201 of the filter element 2 is connected with the first hollow column 301 of the shell 3 in a pluggable and sealing way, the water outlet of the inner tube 401 of the drawing tube 4 is sent to the water inlet 201 of the filter element 2 through the first hollow column 301 to enter the filter element 2 for filtration, the water inlet 201 of the filter element 2 is formed by extending outwards towards the center of one end of the first hollow column 301 of the shell 3 and is provided with a third annular groove on the outer side wall of the water inlet 201 when being matched with the inner diameter of the first hollow column 301 of the shell 3, The third annular groove is sleeved with a third sealing ring 12, a water inlet 201 of the filter element 2 is in pluggable sealing connection with a first hollow column 301 of the shell 3 through the third sealing ring 12, one end of the shell 3 far away from the drawing pipe 4 is provided with a detachable bottom cover 303, the center of the bottom cover is provided with a second hollow column 3031 formed by extending towards the shell, the periphery of the second hollow column 3031 is provided with a water outlet 3032, a water outlet 202 of the filter element 2 is in pluggable sealing connection with the second hollow column 3031 of the bottom cover 303, the water outlet 202 of the filter element 2 is formed by extending outwards towards the center of one end of the bottom cover 303 of the shell 3 and is matched with the inner diameter of the second hollow column 3031 of the bottom cover 303, and the outer side wall of the water outlet 202 is provided with a fourth annular groove, The fourth annular groove is sleeved with a fourth sealing ring 13, a water outlet 202 of the filter element 2 is in pluggable sealing connection with a second hollow column 3031 of the bottom cover 303 through the fourth sealing ring 13, a gap is arranged between the outer wall of the filter element 2 and the inner wall of the shell 3, cold and hot mixed water provided by a water outlet channel formed by the outer side wall of the inner pipe 401 of the pull pipe 4 and the inner side wall of the outer pipe 402 flows through a through hole 302 of the shell 3 through a water through hole 702 of the connecting seat 7 to be sent to a gap between the outer wall of the filter element 2 and the inner wall of the shell 3, cold and hot mixed water is sent out from a water outlet 3032 of the bottom cover 303 on the shell 3, and the water outlet 202 of the filter element 2 is in pluggable sealing connection with the second hollow column 3031 of the bottom cover 303 and purified water filtered by the filter element 2 is sent out of purified water through the second hollow column 3031.
According to the invention, the shell is directly connected with the drawing pipe without installing a connecting seat, the inner pipe of the drawing pipe is communicated with the first hollow column of the shell, the through hole of the shell is communicated with the water outlet flow passage between the inner side wall of the outer pipe of the drawing pipe and the outer side wall of the inner pipe, the bottom cover is detachably and hermetically connected with the shell, and meanwhile, the water outlet of the filter element is detachably and hermetically connected with the bottom cover, so that the filter element can be replaced by detaching and attaching the filter element by detaching the bottom cover, or the shell, the filter element and the bottom cover are integrally arranged into a disposable filter element, so that the filter element is wholly discarded for replacement; the three-in two-out valve is purchased from Hanyou corporation and the like.
The invention controls cold and hot mixed water to flow out of cold and hot mixed water from a shell water outlet through a water outlet channel formed between the outer side wall of an inner pipe of a drawing pipe and the inner side wall of an outer pipe through a three-inlet two-outlet valve by arranging a hot water inlet channel and a cold water inlet channel on a tap body and controlling cold and hot mixed water to flow out of the cold and hot mixed water from a shell water outlet through a gap formed between the outer side wall of the inner pipe of the drawing pipe and the outer side wall of the filter element through a three-inlet two-outlet valve or controls cold water to flow into a water inlet of the filter element in the shell through the inner pipe of the drawing pipe to filter through the cold water outlet channel and flow out of purified water filtered by the filter element through a second hollow cylinder on the shell, so that when people use the tap, cold and hot mixed water can flow out of the cold and hot mixed water from the cold mixed water channel through the gap between the inner wall of the shell and the outer wall of the filter element through the drawing pipe is controlled by controlling the three-inlet two-outlet valves, the user can switch the cold and hot mixed water and the purified water by operating the three-inlet two-outlet valve, the water outlet of the other water flow can be automatically closed without operating the two switch valves, whether the other water is closed or not is not needed, and meanwhile, the shell is arranged and connected with the drawing pipe in a detachable and sealing way, so that the water treatment purified water tap can quickly replace the filter element, the replacement speed is high, the replacement is convenient, the occupied space of the purified water tap is greatly saved compared with the existing purified water tap by arranging the filter element on the water outlet end of the drawing pipe, the integral structural space of the water treatment tap with the filtration is greatly simplified, the water treatment tap meets the simple and attractive aesthetic design of modern design, the structure is simple and novel, the use is more convenient, the replacement of the filter element is not limited by space, the replacement is convenient, the water treatment faucet has the advantages that various functions of the water treatment faucet are realized, meanwhile, the manufacturing cost is greatly reduced, the drawing pipe penetrates through the drawing pore canal in the faucet body to extend towards the water outlet pipe to form a drawing water outlet structure, and the shell and the filter element are arranged at the water outlet end of the drawing pipe, so that the use of a user is more flexible and changeable; the shell and the filter element can be integrally formed to be disposable, and the shell and the pull pipe are detachably and hermetically connected, so that the water treatment filter mechanism formed by the shell and the filter element is discarded when the water purifying device of the pull type cold and hot water tap terminal is replaced, and the filter mechanism integrated with the shell and the filter element can be quickly replaced by sealing and installing a new filter mechanism, thereby being simpler and more convenient to use and being widely popularized and applied.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A pull type cold and hot tap terminal water purifying device is characterized in that: the three-inlet two-outlet valve comprises a valve body, a filter element, a shell, a pull pipe, a three-inlet two-outlet valve and a water outlet pipe, wherein the longitudinal center of the valve body is provided with a pull pore canal, the lower part of the valve body is provided with a cold water inlet channel and a hot water inlet channel, the three-inlet two-outlet valve part is penetrated in the middle of the valve body, the three-inlet two-outlet valve comprises a valve body, a first water inlet, a second water inlet, a third water inlet, a valve core, a first water outlet and a second water outlet, the first water inlet and the second water inlet of the three-inlet two-outlet valve are controlled by the valve core to be connected with the first water outlet in a conducting or cut-off mode, the hot water inlet channel is communicated with the first water inlet of the three-inlet two-outlet valve, the cold water inlet channel is respectively communicated with the second water inlet and the third water inlet of the three-inlet two-outlet valve, the water outlet pipe is connected with the top end of the pull pore canal at the upper part of the valve body, the lower part of the valve body is also provided with a cold and hot water mixing outlet channel and a cold water outlet channel which is partially penetrated in the lower part of the valve body, the three-inlet two-outlet valves are connected with the inner pipe, the inner pipe is communicated with the inner pipe and the inner pipe, the cold water mixing channel is communicated with the inner side wall of the outer pipe, the cold water mixing channel is formed by the inner side wall of the inner pipe and the outer pipe, the cold water mixing channel is communicated with the cold water mixing channel, the cold water channel is communicated with the inner side wall, the cold water outlet pipe is formed by the inner side and the cold water channel, and the cold water channel is connected with the inner side and the cold water channel, the said draw tube extends to the water outlet pipe through the draw hole in the tap body to form a drawable water outlet structure, one end of the said shell is connected with one end of the draw tube which passes through the water outlet pipe in a dismountable and sealed manner, a cavity for holding the filter element is arranged in the said shell, a first hollow column communicated to the cavity of the shell is arranged in the middle of one end of the said shell which is connected with the draw tube, a through hole communicated to the cavity of the shell is arranged on the circumference of the first hollow column, one end of the said first hollow column of the said shell facing the draw tube is connected with the inner tube of the draw tube in a sealed manner, the filter element is arranged in the shell, the water inlet of the filter element is connected with the first hollow column of the shell in a pluggable and sealed manner, and the water outlet of the inner tube of the draw tube is fed to the water inlet of the filter element via the first hollow column to the filter element for filtration, a second hollow column extending into the cavity of the shell is arranged at the center of one end of the shell far away from the drawing pipe, a water outlet hole communicated into the cavity is arranged at the periphery of the second hollow column, a spacing gap is arranged between the outer wall of the filter element and the inner wall of the shell, the water outlet flow channel formed by the outer side wall of the inner pipe of the drawing pipe and the inner side wall of the outer pipe provides cold and hot mixed water, the cold and hot mixed water flows through a gap between the outer wall of the filter element and the inner wall of the shell through a through hole of the shell, the water outlet Kong Songchu of the shell, which is far away from one end of the drawing pipe, is in pluggable sealing connection with a second hollow cylinder of the shell, and purified water filtered by the filter element is sent out through the second hollow cylinder.
2. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: the shell is provided with a detachable bottom cover at one end far away from the drawing pipe, the second hollow cylinder is positioned in the middle of the bottom cover, the water outlet is positioned on the periphery of the second hollow cylinder on the bottom cover, and the water outlet of the filter element is in pluggable sealing connection with the second hollow cylinder of the bottom cover.
3. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: the weight joint is arranged on the drawing pipe body below the faucet body, and the outer diameter of the weight joint is larger than the inner diameter of the drawing pore canal.
4. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: still include the connecting seat, connecting seat one end is connected with the pull pipe, the connecting seat other end sets up first cavity cylinder one end demountable connection with the casing, the connecting seat center is equipped with the third cavity cylinder and is located third cavity cylinder week side and is equipped with the limbers, the one end that the pull pipe inner tube was worn out the outlet pipe seals to inlay and locates the third cavity cylinder one end of connecting seat, the one end that the pull pipe inner tube was kept away from to the first cavity cylinder of casing is sealed to be inlayed and locates the one end that the pull pipe inner tube was kept away from to the third cavity cylinder of connecting seat of filter core, the cold and hot mixed water that the play water runner that pull pipe inner tube lateral wall and outer tube inside wall constitute provided is through the limbers of connecting seat and is flowed through the through-hole of casing and is sent to the play space between filter core outer wall and the shells inner wall from the casing and keep away from the play water Kong Songchu cold and hot mixed water of pull pipe one end.
5. The water purifying apparatus of a drawing type cold and hot water tap terminal as claimed in claim 4, wherein: the inner pipe of the drawing pipe is connected with the third hollow cylinder of the connecting seat in a sealing and embedding manner through the first sealing ring, and the first hollow cylinder of the shell is connected with the third hollow cylinder of the connecting seat in a sealing and embedding manner through the second sealing ring.
6. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: the filter element extends outwards towards the center of one end of the first hollow cylinder of the shell to form a water inlet matched with the inner diameter of the first hollow cylinder of the shell, a third annular groove is formed in the outer side wall of the water inlet, a third sealing ring is sleeved on the third annular groove, and the water inlet of the filter element is connected with the first hollow cylinder of the shell in a pluggable sealing mode through the third sealing ring.
7. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: the filter element extends outwards towards the center of one end of the second hollow cylinder of the shell to form a water outlet matched with the inner diameter of the second hollow cylinder of the shell, a fourth annular groove is formed in the outer side wall of the water outlet, a fourth sealing ring is sleeved on the fourth annular groove, and the water outlet of the filter element is connected with the second hollow cylinder of the shell in a pluggable sealing mode through the fourth sealing ring.
8. The water purifying apparatus of a drawing type cold and hot water tap terminal according to claim 1, wherein: the cold and hot mixed water outlet flow passage and the cold water outlet flow passage are connected with the drawing pipe through a three-way joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811085128.7A CN108916418B (en) | 2018-09-18 | 2018-09-18 | Pull formula cold and hot tap terminal purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085128.7A CN108916418B (en) | 2018-09-18 | 2018-09-18 | Pull formula cold and hot tap terminal purifier |
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| CN108916418A CN108916418A (en) | 2018-11-30 |
| CN108916418B true CN108916418B (en) | 2024-09-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112762199A (en) * | 2020-12-30 | 2021-05-07 | 江门市琪顿卫浴实业有限公司 | Multifunctional water flow drawing device and faucet shower head comprising same |
| CN120062415A (en) * | 2025-04-28 | 2025-05-30 | 台州丰华铜业有限公司 | Double-purpose pull tap |
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| CN108916418A (en) | 2018-11-30 |
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