CN213132680U - 4 very little membrane shell low pressure bearing head - Google Patents
4 very little membrane shell low pressure bearing head Download PDFInfo
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- CN213132680U CN213132680U CN202021704949.7U CN202021704949U CN213132680U CN 213132680 U CN213132680 U CN 213132680U CN 202021704949 U CN202021704949 U CN 202021704949U CN 213132680 U CN213132680 U CN 213132680U
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- bearing head
- pressure bearing
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- cylindrical body
- sealing
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Abstract
The utility model relates to the technical field of water treatment, and provides a 4-inch membrane shell low-pressure bearing head, which comprises a sealing piece, wherein the sealing piece is arranged on the inner wall of an opening and is used for sealing the opening; keep off the piece, the setting is on the sealing member, and insert to the recess in, furtherly, keep off the piece and be a plurality of arc monomer, a plurality of arc monomer links together and constitutes the circular slab, the circular slab has the clearance in the circumferencial direction, the membrane shell pressure-bearing head among the prior art is changed inconveniently and the problem that the pressure-bearing is big has been solved, moreover, the arc monomer evenly arranges, when 4 cun membrane shell low pressure-bearing heads accept pressure, pressure can evenly distributed on each arc monomer, thereby make whole pressure-bearing head atress even, it is more stable to connect.
Description
Technical Field
The utility model relates to a water treatment technical field, it is specific, relate to a 4 very little membrane shell low pressure bearing head.
Background
The membrane shell end cover is a sealing waterproof device for the water treatment container, and because the membrane shell cover is frequently required to be detached for reasons such as installation, use, cleaning and replacement, and a reverse osmosis membrane in the membrane shell is cleaned or replaced. And the membrane shell cover needs to have certain pressure-bearing capacity due to the pressure of water, which has high requirements on the membrane shell cover.
Common membrane shell and membrane shell lid all adopt the screw thread mode to be connected in the existing market, when installation and change, need use assorted special spanner to screw down the membrane shell lid, this structure is simple, but change the operation inconvenient. And the thread part also bears the pressure of water inside the filter, the sealing performance is not reliable, and serious hidden trouble of water leakage exists.
SUMMERY OF THE UTILITY MODEL
The utility model provides a 4 very little membrane shell low pressure bearing head has solved the membrane shell bearing head among the prior art and has changed inconvenient and the big problem of pressure-bearing.
The technical scheme of the utility model as follows:
the utility model provides a 4 very little membrane shell low pressure bearing head for the shutoff cavity, the cavity is enclosed by the casing, just the cavity has the opening, its characterized in that, open-ended inner wall has the recess, 4 very little membrane shell low pressure bearing head includes
The sealing piece is arranged on the inner wall of the opening and used for sealing the opening;
the blocking piece is arranged on the sealing piece and is inserted into the groove.
Preferably, the groove is a stepped groove,
the stepped grooves are provided with a first stepped groove and a second stepped groove which are sequentially arranged from outside to inside along the axial direction of the inner wall of the cavity,
the sealing piece is inserted into the second stepped groove, and the stopper is inserted into the first stepped groove.
Preferably, the closure comprises
A cylindrical body having an edge projection, the cylindrical body radial edge being inserted into the second step groove,
the connecting end is arranged at one end of the axial side surface of the cylindrical body along the axial direction; wherein the content of the first and second substances,
the cylindrical body is provided with a mounting hole, and the other end of the axial side surface of the cylindrical body is mounted on the stopper through the mounting hole.
Preferably, the stopper is a plurality of arc-shaped single bodies, the arc-shaped single bodies are connected together to form a circular plate, and the circular plate has a gap in the circumferential direction.
Preferably, the sealing piece is provided with a water purifying channel, and the water purifying channel is communicated with the cavity.
Preferably, the cylindrical body further has a raw water passage communicating with the cavity.
Preferably, the cylindrical body outer side wall is provided with a first sealing groove along the circumferential direction of the cylindrical body outer side wall, and an annular sealing strip is sleeved on the first sealing groove.
The utility model discloses a theory of operation and beneficial effect do:
the 4-inch membrane shell low-pressure bearing head provided by the utility model is used for plugging the opening of the cavity, the inner wall of the opening is provided with a groove, and the 4-inch membrane shell low-pressure bearing head comprises a sealing piece which is arranged on the inner wall of the opening and is used for sealing the opening; the stopper is arranged on the sealing piece and inserted into the groove, furthermore, the stopper is a plurality of arc-shaped single bodies which are connected together to form a circular plate, and the circular plate has a gap in the circumferential direction, so that the disassembly and the assembly are more convenient. Further, the arc monomer is evenly arranged, and when 4 cun membrane shell low pressure bearing head accepted pressure, pressure can evenly distributed on each arc monomer to make whole bearing head atress even, connect more stably.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of an opening structure of a low-pressure bearing head end of a 4-inch membrane shell;
FIG. 2 is a schematic view of a side-open structure of a low-pressure bearing head of a 4-inch membrane shell;
FIG. 3 is a schematic view of a side-opening closure;
FIG. 4 is a schematic view of the closure shown in an open-ended configuration;
FIG. 5 is a schematic view of a low pressure bearing head structure of a membrane shell;
in the figure:
the sealing structure comprises a membrane shell 1, a groove 11, a first step groove 111, a first step groove 112, a cavity 12, a sealing piece 2, a cylindrical body 21, a first sealing groove 211, an edge bulge 212, a connecting end 22, a second sealing groove 221, a mounting hole 23, a water purifying channel 24, a raw water channel 25, a blocking piece 3, a first arc-shaped single body 31, a second arc-shaped single body 32, a through hole 33, an annular sealing strip 4 and a second sealing strip 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
A4 cun membrane shell low pressure bearing head for shutoff cavity 12, cavity 12 is enclosed by the casing, and cavity 12 has the opening, its characterized in that, open-ended inner wall has the recess, 4 cun membrane shell low pressure bearing head includes
A sealing member 2 provided on an inner wall of the opening for sealing the opening;
and a stopper 3 disposed on the sealing member 2 and inserted into the groove.
The utility model discloses in, as shown in figure 1, 4 cun membrane shell low pressure bearing head sets up at cavity 12 openings part for shutoff cavity 12. In this embodiment, the cavity 12 is the membrane shell 1 for reverse osmosis, specifically, the opening of the membrane shell 1 is provided with a groove, in the installation process, the sealing member 2 is firstly pushed into the cavity 12 along the inner wall of the cavity 12 from the opening end of the cavity 12 to a position close to the groove, then the stopper 3 of the 4-inch low-pressure bearing head of the membrane shell is clamped into the groove, and then the stopper 3 is fixedly connected with the sealing member 2, so that the 4-inch low-pressure bearing head of the membrane shell is arranged and positioned in the cavity 12.
Preferably, the grooves are stepped grooves,
the stepped grooves are provided with a first stepped groove 111 and a second stepped groove 112, the first stepped groove 111 and the second stepped groove 112 are arranged in sequence from outside to inside along the axial direction of the inner wall of the cavity 12,
the closure 2 is inserted into the second stepped recess 112 and the stopper 3 is inserted into the first stepped recess 111.
In the embodiment, as shown in fig. 1, the opening of the membrane shell 1 is provided with a stepped groove, the stepped groove is provided with a first stepped groove 111 and a second stepped groove 112, and the first stepped groove 111 and the second stepped groove 112 are sequentially arranged from outside to inside along the inner wall of the cavity 12, during the installation process, the sealing member 2 is firstly pushed into the cavity 12 from the opening end of the cavity 12 along the inner wall of the cavity 12 and is embedded into the second stepped groove 112, so that the sealing member 2 is easily arranged and positioned in the cavity 12, then the blocking member 3 of the 4-inch membrane shell low-pressure bearing head is inserted into the first stepped groove 111, so that the blocking member 3 is easily arranged and positioned in the cavity 12, then the sealing member 2 and the blocking member 3 are fixedly connected together, the stepped groove structure is arranged, the blocking member 3 and the sealing member 2 are respectively arranged in the first stepped groove 111 and the second stepped groove 112, on the one hand, the stopper 3 and the closure 2 are positioned in the cavity 12, and on the other hand, the pressure when the stopper 3 and the closure 2 are connected is reduced.
Preferably, the closure 2 comprises
The shape of the cylindrical body 21 is such that,
the edge projection 212, the radial edge of the cylindrical body 21 is inserted into the second stepped recess 112,
a connection end 22 provided at one end of an axial side surface of the cylindrical body 21 in an axial direction; wherein the content of the first and second substances,
the cylindrical body 21 is provided with a mounting hole 23, and the other end of the axial side of the cylindrical body 21 is mounted on the stopper 3 through the mounting hole 23.
In this embodiment, as shown in fig. 3, the cylindrical body 21 is provided with an edge protrusion 212 in the radial direction, the edge protrusion 212 is inserted into the second step groove 112, the sealing member 2 includes the cylindrical body 21 and the connecting end 22, and the connecting end 22 is disposed at one end of the axial side of the cylindrical body 21 in the axial direction, specifically, as shown in fig. 1, the connecting end 22 is disposed at one side of the axial side of the cylindrical body 21 close to the inside of the cavity 12, in this embodiment, the cavity 12 is a membrane casing 1 for reverse osmosis, the connecting end 22 is used for connecting the filter element, further, as shown in fig. 3, the connecting end 22 is provided with a second sealing groove 221 for bearing a second sealing strip, and the sealing structure is used for sealing when the connecting end 22 is connected.
Preferably, the stopper 3 is a plurality of arc-shaped single bodies, and the plurality of arc-shaped single bodies are connected together to form a circular plate, and the circular plate has a gap in the circumferential direction.
In this embodiment, since the cross section of the cavity 12 is a circular cross section, the stopper 3 is clamped in the first stepped groove 111 for positioning the low pressure bearing head of the 4-inch membrane shell, as shown in fig. 5, the stopper 3 is of a split structure, and the stopper 3 is divided into two or more arc-shaped single bodies, so that the stopper 3 is easier and more convenient to insert into the groove. And two or more arc-shaped single bodies are connected together to form an unclosed circular plate, namely the circular plate has a gap in the circumferential direction. In this embodiment, be provided with two arc monomers, be first arc monomer 31 and second arc monomer 32 respectively, further, the arc monomer evenly arranges, when 4 cun membrane shell low pressure bearing head accepts pressure, pressure can evenly distributed on each arc monomer to make whole bearing head atress even, connect more stably.
Further, each arc-shaped single body is provided with a through hole 33 matched with the mounting hole 23, further, the mounting hole 23 is a threaded hole, and a bolt passes through the through hole 33 and the mounting hole 23 in sequence to fix the stopper 3 and the sealing member 2 together.
Preferably, the closure 2 has a clear water passage 24, the clear water passage 24 communicating with the cavity 12.
The utility model discloses, as shown in fig. 4 and 3, water purification passageway 24 is used for water purification business turn over cavity, water purification passageway 24 and filter core lug connection, and the structure that directly sets up water purification passageway 24 on sealing member 2 makes sealing member 2 realize water purification business turn over cavity, and is structural simpler.
Preferably, the cylindrical body 21 further has a raw water passage 25, and the raw water passage 25 communicates with the chamber 12.
In the present invention, as shown in fig. 1, the raw water channel 25 is a channel for raw water to enter and exit the chamber. The 4-inch low-pressure bearing head of the membrane shell can be used in the membrane shell with the end opened; as shown in fig. 2, may also be applied to a side-open membrane shell. 4 cun membrane shell low pressure bearing head still includes the end cap for stop up water purification passageway 24, and end cap and water purification passageway end threaded connection can conveniently dismantle.
It should be noted that, when the membrane casing is applied to an open-ended membrane casing, since the raw water passage 25 is provided at the end of the casing and is communicated with the cavity 12, the liquid filtered by the filter element and seeped into the cavity 12 outside the filter element flows out through the raw water passage 25. The cylindrical body 21 is provided with the water purifying channel 24 and the raw water channel 25 at the same time, so that the universality of the pressure-bearing head can be improved.
Preferably, a first sealing groove 211 is arranged on the outer side wall of the cylindrical body 21 along the circumferential direction of the cylindrical body, and an annular sealing strip 4 is sleeved on the first sealing groove 211.
The utility model discloses in, be provided with first seal groove 211 along its circumference direction on the cylindrical body 21 lateral wall, the cover is equipped with annular sealing strip 4 on the first seal groove 211, and annular sealing strip 4 is rubber products, during the snap-in groove during the use, fixes it through extrusion annular sealing strip 4 and realizes sealing in first seal groove 211 to avoid the phenomenon that the weeping pollutes to appear at the filtrating in-process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a 4 cun membrane shell low pressure bearing head for shutoff cavity (12), cavity (12) are enclosed by the casing, just cavity (12) have the opening, a serial communication port, the open-ended inner wall has the recess, 4 cun membrane shell low pressure bearing head includes
A sealing member (2) arranged on the inner wall of the opening for sealing the opening;
and the stopper (3) is arranged on the sealing piece (2) and is inserted into the groove.
2. The 4-inch membrane shell low-pressure bearing head as claimed in claim 1, wherein the groove is a stepped groove,
the stepped grooves are provided with a first stepped groove (111) and a second stepped groove (112), the first stepped groove (111) and the second stepped groove (112) are sequentially arranged from outside to inside along the axial direction of the inner wall of the cavity (12),
the sealing piece (2) is inserted into the second stepped groove (112), and the stopper (3) is inserted into the first stepped groove (111).
3. 4-inch membrane casing low pressure bearing head according to claim 2, characterized in that said closure (2) comprises
A cylindrical body (21) having an edge projection (212), the cylindrical body (21) having a radial edge inserted into the second stepped recess (112),
a connecting end (22) arranged at one end of the axial side surface of the cylindrical body (21) along the axial direction; wherein the content of the first and second substances,
the cylindrical body (21) is provided with a mounting hole (23), and the other end of the axial side surface of the cylindrical body (21) is mounted on the stopper (3) through the mounting hole (23).
4. 4-inch membrane casing low pressure bearing head according to claim 3, characterized in that the stopper (3) is a plurality of arc-shaped single bodies, which are connected together to form a circular plate, and the circular plate has a gap in the circumferential direction.
5. A4 inch membrane casing low pressure bearing head as claimed in claim 4, wherein the closure (2) has a clear water passage (24), the clear water passage (24) communicating with the chamber (12).
6. The 4-inch diaphragm casing low pressure bearing head as claimed in claim 5, wherein the cylindrical body (21) further has a raw water passage (25), the raw water passage (25) communicating with the cavity (12).
7. The 4 inch diaphragm casing low pressure bearing head according to claim 3, wherein a first sealing groove (211) is arranged on the outer side wall of the cylindrical body (21) along the circumferential direction of the cylindrical body, and an annular sealing strip (4) is sleeved on the first sealing groove (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021704949.7U CN213132680U (en) | 2020-08-15 | 2020-08-15 | 4 very little membrane shell low pressure bearing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021704949.7U CN213132680U (en) | 2020-08-15 | 2020-08-15 | 4 very little membrane shell low pressure bearing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213132680U true CN213132680U (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021704949.7U Active CN213132680U (en) | 2020-08-15 | 2020-08-15 | 4 very little membrane shell low pressure bearing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213132680U (en) |
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2020
- 2020-08-15 CN CN202021704949.7U patent/CN213132680U/en active Active
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Address after: 053100 No.19, Chuangye Road, SME Pioneer Park, Zaoqiang County, Hengshui City, Hebei Province Patentee after: Hebei Chengda Water Treatment Technology Co.,Ltd. Address before: 053100 No.19, Chuangye Road, SME Pioneer Park, Zaoqiang County, Hengshui City, Hebei Province Patentee before: Hebei chengdahua Film Technology Co.,Ltd. |