CN214714755U - Back flush filter flask - Google Patents
Back flush filter flask Download PDFInfo
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- CN214714755U CN214714755U CN202120474209.7U CN202120474209U CN214714755U CN 214714755 U CN214714755 U CN 214714755U CN 202120474209 U CN202120474209 U CN 202120474209U CN 214714755 U CN214714755 U CN 214714755U
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- inner core
- end cover
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- valve
- water inlet
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Abstract
The utility model provides a backwashing filter flask, which comprises an end cover assembly and a filter flask body, wherein the end cover assembly comprises a water path switching assembly, an exhaust valve assembly, an end cover body and an upper cover; the waterway switching assembly consists of an inner core, a driving handle, a water inlet and outlet sealing ring and an end cover inner core sealing ring, wherein the driving handle is arranged on the upper side of the inner core, an upper cover is arranged outside the driving handle, the upper cover is of a disc-shaped structure and is provided with internal threads, and an inner core water inlet and an inner core water outlet are symmetrically arranged on the left side and the right side of the inner core; the water route switches the outside end cover body that is equipped with of assembly, and the position that the left and right sides corresponds with inner core water inlet, inner core delivery port on the end cover body is equipped with end cover water inlet, end cover delivery port respectively, is equipped with the boss on the end cover body, and boss central point puts and is equipped with the exhaust hole, installs the discharge valve assembly in this exhaust hole. The utility model discloses need not close the water source and dismantle the work that the filter core can accomplish the washing clearance, avoid guaranteeing people's normal water.
Description
Technical Field
The utility model relates to a filter technology field especially relates to a back flush filter flask.
Background
The filter flask is a special device in the filtration industry, is a purification device for purifying a primary fluid resource medium, and is mainly applied to filtration and filtration of liquids such as oil, water and the like and related industries at present. The filter flask can be according to the filter core of quality of water demand installation difference in order to reach the filter effect of different operating modes. The filter flask has wide application range, and is suitable for the front system of whole house filtration and the end filtration of enterprises and office buildings. At present the filter flask that generally uses carries out the series combination, when needing to change the filter core, needs at first close the water source, then dismantles the filter flask. And when the folding filter element, the ultrafiltration filter element and the disc filter element need to be cleaned, the filter element also needs to be taken out from the filter flask and cleaned, so that a water source of a filter system is closed during water supply, water is cut off, and inconvenience is brought to normal water use of people.
Disclosure of Invention
According to the technical problem, the utility model provides a back flush filter flask, a serial communication port, including end cover assembly, filter flask body, the end cover assembly includes
The water channel switching assembly, the exhaust valve assembly, the end cover body and the upper cover;
the waterway switching assembly is composed of an inner core, a driving handle, a water inlet and outlet sealing ring and an end cover inner core sealing ring, wherein the driving handle is arranged on the upper side of the inner core, an upper cover is arranged outside the driving handle, the upper cover is of a disc-shaped structure and is provided with internal threads, and an inner core water inlet and an inner core water outlet are symmetrically arranged on the left side and the right side of the inner core;
an end cover body is arranged outside the water path switching assembly, external threads are arranged on the end cover, the upper cover and the end cover are matched and lock the inner core through internal threads and external threads, a hole is formed in the center of the upper cover and is used for connecting the inner core and the driving handle, water inlet and outlet sealing rings are arranged between the water inlet and the water outlet of the end cover and between the water inlet of the end cover and the water outlet of the inner core and between the water inlet of the inner core and between the water outlet of the end cover and the water outlet of the inner core, end cover inner core sealing rings are arranged at the upper position and the lower position of the inner core respectively, a boss is arranged on the end cover body, an exhaust hole is formed in the center of the boss, and an exhaust valve assembly is installed in the exhaust hole;
the exhaust valve assembly comprises a valve core, a valve core sealing ring, a valve body spring and a valve body baffle, wherein the valve body baffle is fixedly arranged inside the exhaust hole, the valve body spring is arranged on the valve body baffle, the bottom of the valve body spring is fixedly connected with the valve body baffle, the top of the valve body spring is fixedly connected with the bottom of the valve core, and the valve core sealing ring is arranged on the valve core;
the filter flask is characterized in that a filter element is installed in the filter flask body, and the filter flask body is fixedly connected with the end cover body through threads.
Further, a body groove is formed in the upper portion of the filter flask body, and a body sealing ring is installed in the body groove.
Furthermore, the upper cover is provided with three gear marks which are respectively a filtering gear mark, a bypass waterway gear mark and a backwashing gear mark, and the three gear marks are respectively arranged at intervals of 90 degrees relative to the periphery of the upper cover.
The utility model has the advantages that: the utility model relates to a back flush filter flask, through the cooperation of inner core and driving hand wheel, can realize freely switching of three water route gear, to the filter core that can wash the clearance, use repeatedly, can realize the back flush function, need not close the water source and dismantle the work that the filter core can accomplish the washing clearance, solved and changed the filter core and need close the water source and bring inconvenient problem for people's water, avoid causing the condition emergence of cutting off the water supply, guaranteed people's normal water.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is an exploded view of the main structure of the present invention;
FIG. 3 is a sectional view of the main structure of the present invention;
FIG. 4 is a detailed view of the exhaust valve assembly of the present invention;
fig. 5 is a cross-sectional view of the end cap of the present invention;
FIG. 6 is a schematic view of the structure of the inner core of the present invention;
fig. 7 is a sectional view of the structure of the inner core of the present invention;
fig. 8 is a schematic view of the flow direction of the filtering waterway of the present invention.
As shown in the figure: an end cap assembly-1;
a waterway switching assembly-11; inner core-111, driving handle-112, water inlet and outlet seal ring-113, end cover inner core seal ring-114, inner core water inlet-115 and inner core water outlet-116;
exhaust valve assembly-12; a valve core-121, a valve core sealing ring-122, a valve body spring-123 and a valve body baffle-124; an end cap body-13; an end cover water inlet-131, an end cover water outlet-132, a boss-133 and an exhaust hole-134;
an upper cover-14;
a filter flask body-2, a filter element-21, a body groove-22 and a body sealing ring-23;
a filtering gear mark-3, a bypass waterway gear mark-4 and a backwashing gear mark-5.
Detailed Description
Example 1:
according to the technical problem, the utility model provides a back flush filter flask, a serial communication port, including end cover assembly 1, filter flask body 2, end cover assembly 1 includes
The water way switching assembly 11, the exhaust valve assembly 12, the end cover body 13 and the upper cover 14;
the waterway switching assembly 11 comprises an inner core, a driving handle 112, a water inlet and outlet seal ring 113 and an end cover inner core seal ring 114, wherein the driving handle 112 is installed on the upper side of the inner core, an upper cover 14 is installed outside the driving handle 112, the upper cover 14 is of a disc-shaped structure and is provided with internal threads, and an inner core water inlet 115 and an inner core water outlet 116 are symmetrically arranged on the left side and the right side of the inner core;
an end cover body 13 is arranged outside the waterway switching assembly 11, an external thread is arranged on the end cover, the upper cover 14 and the end cover are matched through the internal thread and the external thread and lock the inner core, a hole is formed in the center of the upper cover 14 and is used for connecting the inner core and the driving handle 112, end cover water inlets 131 and end cover water outlets 132 are respectively arranged at the positions, corresponding to the inner core water inlet 115 and the inner core water outlet 116, of the left side and the right side of the end cover body 13, water inlet and outlet sealing rings 113 are arranged between the end cover water inlets 131 and the inner core water inlet 115, between the end cover water outlets 132 and the inner core water outlet 116, end cover inner core sealing rings 114 are respectively arranged at the upper position and the lower position of the inner core, a boss 133 is arranged on the end cover body 13, an exhaust hole 134 is arranged at the center of the boss 133, and an exhaust valve assembly 12 is arranged in the exhaust hole 134;
the exhaust valve assembly 12 comprises a valve core, a valve core sealing ring 122, a valve body spring 123 and a valve body baffle 124, wherein the valve body baffle 124 is fixedly arranged inside an exhaust hole 134, the valve body spring 123 is arranged on the valve body baffle 124, the bottom of the valve body spring 123 is fixedly connected with the valve body baffle 124, the top of the valve body spring 123 is fixedly connected with the bottom of the valve core, and the valve core sealing ring 122 is arranged on the valve core;
install filter core 21 in the filter flask body 2, filter flask body 2 realizes through the screw thread with end cover body 13's fixed connection.
Further, a body groove 22 is formed in the upper portion of the filter flask body 2, and a body sealing ring 23 is installed in the body groove 22.
Furthermore, three gear marks are arranged on the upper cover 14 and respectively include a filtering gear mark 3, a bypass waterway gear mark 4 and a backwashing gear mark 5, and the three gear marks are respectively arranged at intervals of 90 degrees relative to the periphery of the upper cover 14.
Example 2:
the working principle is as follows: rotating the driving handle 112, when the arrow of the driving handle 112 points to the position of 0 degree marked by the left gear of the upper cover 14, the hole 115 of the inner core water inlet is coaxial with the axis of the end cover water inlet 131, the inner core water outlet 116 is coaxial with the axis of the end cover water outlet 132, and the water path is a filtering water path;
when the arrow of the driving handle 112 points to the position of 90 degrees marked on the middle gear of the upper cover 14, the axes of the inner core water inlet 115 and the inner core water outlet 116 are vertical to the axes of the end cover water inlet 131 and the end cover water outlet 132, at this time, the space formed by the inner core and the end cover body 13 is a bypass waterway, and water entering the end cover body 13 is discharged from the end cover water outlet 132 through the space, and at this time, the waterway is a bypass waterway;
when the arrow of the driving handle 112 points to the position of the gear mark 180 degrees on the right side of the end cover, the axis of the inner core water inlet 115 is coaxial with that of the end cover water outlet 132, the inner core water inlet 115 is attached to the end cover water outlet 132, the axis of the inner core water outlet 116 is coaxial with that of the end cover water inlet 131, the inner core water outlet 116 is attached to the end cover water inlet 131, and the water path is a backwashing water path.
The valve core is provided with a valve core sealing ring 122 for sealing the valve core and the exhaust hole 134, the valve body spring 123 jacks the valve core to enable the valve core to be in a normally closed state, and the valve body baffle 124 is welded inside the exhaust hole 134 and used for supporting the valve body spring 123. When the exhaust valve is pressed down, the atmosphere is communicated with the filter flask, so that the pressure of the filter flask is consistent with that of the atmosphere, and the filter flask is convenient to disassemble;
the end cover inner core sealing rings 114 are two and used for sealing the inner core and the upper part and the lower part of the end cover body 13, and the rubber ring at the lower part of the inner core prevents water leakage from the inner core to the lower part of the end cover body 13 under the working condition of a bypass water path and during switching of three water paths. The rubber ring on the upper part of the inner core prevents the inner core from leaking water to the upper cover 14 in three water ways;
the water inlet and outlet sealing rings 113 are two and used for sealing the water inlet and outlet water paths of the inner core, filtering the gears, sealing the water inlet and outlet water during back flushing of the gears, and sealing the inner core in a bypass water path state to prevent water in the bypass water path from entering the inner core in the bypass water path state.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474209.7U CN214714755U (en) | 2021-03-05 | 2021-03-05 | Back flush filter flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120474209.7U CN214714755U (en) | 2021-03-05 | 2021-03-05 | Back flush filter flask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214714755U true CN214714755U (en) | 2021-11-16 |
Family
ID=78591573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120474209.7U Active CN214714755U (en) | 2021-03-05 | 2021-03-05 | Back flush filter flask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214714755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870798A (en) * | 2021-03-05 | 2021-06-01 | 天津市远大工贸有限公司 | Back flush filter flask |
-
2021
- 2021-03-05 CN CN202120474209.7U patent/CN214714755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870798A (en) * | 2021-03-05 | 2021-06-01 | 天津市远大工贸有限公司 | Back flush filter flask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300000 No.29 Jinhai Road, Jinghai Economic Development Zone, Tianjin Patentee after: Yuanda Health Technology (Tianjin) Co.,Ltd. Address before: 300000 No.29 Jinhai Road, Jinghai Economic Development Zone, Tianjin Patentee before: TIANJIN YUANDA INDUSTRY AND TRADE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 300000 No.29 Jinhai Road, Jinghai Economic Development Zone, Tianjin Patentee after: Yuanda Health Technology (Tianjin) Co.,Ltd. Country or region after: China Address before: 300000 No.29 Jinhai Road, Jinghai Economic Development Zone, Tianjin Patentee before: Yuanda Health Technology (Tianjin) Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |