CN214063895U - Quick assembly disassembly's sewage anti-return subassembly - Google Patents
Quick assembly disassembly's sewage anti-return subassembly Download PDFInfo
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- CN214063895U CN214063895U CN202023100253.6U CN202023100253U CN214063895U CN 214063895 U CN214063895 U CN 214063895U CN 202023100253 U CN202023100253 U CN 202023100253U CN 214063895 U CN214063895 U CN 214063895U
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Abstract
A sewage backflow prevention assembly capable of being quickly disassembled and assembled is applied to high-pressure piston type solid-liquid separation equipment and comprises a fixed joint, a movable joint, a one-way valve and two stop valve devices; the fixed joint, the movable joint and the one-way valve are sequentially arranged at the bottom of the piston from bottom to top, and the fixed joint is provided with a water inlet and a first inserting hole communicated with the water inlet; the movable joint is assembled in the first inserting hole of the fixed joint in a sliding manner, the movable joint is provided with a second inserting hole communicated with the water inlet, one end of the one-way valve is inserted into and fixedly connected with the second inserting hole, the other end of the one-way valve is fixedly connected with the water outlet pipe, and the one-way valve is provided with a water outlet communicated with the water inlet; the two stop valve devices are respectively arranged at the water outlet end position of the water inlet and the water inlet end position of the second inserting hole and are used for controlling the connection/disconnection of the water inlet and the water outlet. The utility model discloses only need outwards slide to move the joint, make the movable joint break away from fixed joint, just can wash or maintain the check valve this moment.
Description
Technical Field
The utility model relates to a sludge treatment technical field especially relates to a quick assembly disassembly's sewage anti-return subassembly.
Background
The high-pressure piston type solid-liquid separation equipment is suitable for solid-liquid separation of sludge, bacterial residues and coal slime, the filter cavity is extruded, the sludge and the like in the filter cavity are continuously pressurized, the filter cloth keeps the sludge and the like in the filter cavity under the action of high pressure, water in the sludge flows out from the upper filter plate and the lower filter plate respectively, sewage flowing out from the lower filter plate flows to the sewage collecting tank, and the sewage flowing out from the upper filter plate flows to the water outlet pipe through the anti-backflow component.
The sewage backflow prevention assembly is designed in an upward water outlet waterway by the manufacturer at present, sewage can not flow back in the process of ensuring high-pressure dehydration, and the working principle is as follows: the sewage backflow-preventing component is fixedly connected to the bottom of the piston, sludge is extruded between the upper filter plate and the lower filter plate, a part of water in the sludge overflows outwards from a water passing hole of the upper filter plate and flows to the water outlet pipe from bottom to top through the water guide groove in the bottom of the piston and the one-way valve in the backflow-preventing component in sequence, and the one-way valve ensures that liquid flows out from bottom to top. However, as the sewage contains solid particles and can settle due to gravity, the sealing of the check valve sealing element in the backflow-preventing component fails due to the settled solid particles, so that the sewage flows back, at the moment, the check valve needs to be detached for cleaning or maintenance, as the check valve is connected with the joint through the threads, the detachment and installation takes long time, the working efficiency is low, and after the check valve is detached and assembled for many times, the connection of the check valve fails due to the damage of the connecting threads.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
Disclosure of Invention
An object of the utility model is to provide a quick assembly disassembly, not fragile sewage anti-return subassembly.
In order to achieve the aim, the sewage backflow prevention assembly is quickly disassembled and assembled, is applied to high-pressure piston type solid-liquid separation equipment and comprises a fixed joint, a movable joint, a one-way valve and two stop valve devices; the fixed joint, the movable joint and the one-way valve are sequentially arranged at the bottom of the piston from bottom to top, and the fixed joint is provided with a water inlet and a first inserting hole communicated with the water inlet; the movable joint is slidably assembled in a first inserting hole of the fixed joint and is provided with a second inserting hole communicated with the water inlet, the one-way valve is inserted into the second inserting hole and is fixedly connected with the second inserting hole, the one-way valve is provided with a water outlet communicated with the water inlet, and the water outlet of the one-way valve is externally connected with a water outlet pipe; the two stop valve devices are respectively arranged at the water outlet end position of the water inlet and the water inlet end position of the second inserting hole and are used for controlling the connection/disconnection of the water inlet and the water outlet.
By adopting the design, the check valve can be cleaned or maintained only by sliding the movable joint outwards to separate the movable joint from the fixed joint, so that the technical problems that the existing check valve is long in time consumption in disassembly and assembly and the check valve is failed in connection due to the fact that connecting threads are damaged after repeated disassembly and assembly are well solved.
In addition, according to the utility model discloses a quick assembly disassembly's sewage backflow prevention subassembly that above-mentioned embodiment provided can also have following additional technical characterstic:
the two stop valve devices are arranged oppositely relative to the horizontal direction, each stop valve device comprises a valve core, a clamping ring and a pressure spring, and the two pressure springs are respectively jacked between the corresponding clamping ring and the corresponding valve core; when the movable connector is inserted into the fixed connector, the water inlet is communicated with the water outlet through the abutting fit between the two valve cores, and at the moment, the two valve cores respectively extrude the corresponding pressure springs; when the movable joint is separated from the fixed joint, the two valve cores move oppositely along the vertical direction under the action of the corresponding pressure springs respectively, so that the two valve cores block the water outlet end of the water inlet and the water inlet end of the second plug hole respectively, and the water flow is stopped.
The bottom surfaces of the first plug hole and the second plug hole are respectively provided with a first tapered hole and a second tapered hole, the necking of the first tapered hole faces the movable joint insertion end, the necking of the second tapered hole faces the first tapered hole, and the abutting sections of the two valve cores are tapered sections which are respectively consistent with the outlines of the first tapered hole and the second tapered hole; when the movable joint is inserted with the fixed joint, the conical sections of the two valve cores respectively have gaps with the first conical hole and the second conical hole, so that the water inlet is communicated with the water outlet; when the movable joint is separated from the fixed joint, the two valve cores move oppositely along the vertical direction under the action of the corresponding pressure springs respectively, so that the cone sections of the two valve cores block the first conical hole and the second conical hole respectively, and water flow is stopped.
By adopting the structure, the sludge is extruded between the upper filter plate and the lower filter plate, part of water in the sludge overflows outwards from the water passing hole of the upper filter plate and flows into the water inlet of the fixed joint through the water chute at the bottom of the piston, and then the water flow flows into the water outlet pipe through the first taper hole, the first inserting hole, the second taper hole, the second inserting hole and the water outlet in sequence, so that the collection of part of sewage is completed.
And the inner wall of the water inlet and the inner wall of the second inserting hole are respectively provided with a third annular groove and a fourth annular groove, and the two clamping rings are respectively embedded in the third annular groove and the fourth annular groove, so that the two clamping rings are respectively fixed in the fixed joint and the movable joint.
The fixed joint comprises a body and a sleeve which is sleeved at one end of the body in a threaded manner, the other end of the body is fixedly connected to the bottom of the piston, the body is provided with a water inlet, and the sleeve is provided with a first inserting hole for sliding assembly of the movable joint.
The inner wall circumference at sleeve pipe top is equipped with a plurality of screens steel ball, the movable joint passes through screens steel ball slidable assembly in first spliced eye. With the arrangement, the movable joint can be separated from the sleeve only by sliding outwards.
The inner walls at the two ends of the sleeve are respectively provided with a first annular groove and a second annular groove, and a first sealing ring in threaded connection with the body and a second sealing ring in sliding fit with the movable joint in a sealing manner are embedded in the first annular groove and the second annular groove respectively. So set up, make the sewage in the outlet pipe can not flow back.
Drawings
The detailed description, given as a non-limiting example, better explains what the invention comprises and how it can be carried out, and moreover refers to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a sewage backflow prevention assembly of the present invention;
FIG. 2 is a schematic structural diagram of the sewage backflow prevention assembly of the present invention mounted on a high-pressure piston type solid-liquid separation device;
fig. 3 is a longitudinal sectional view of fig. 2.
Description of the figures
The backflow prevention assembly 100, the fixed joint 1, the body 11, the water inlet 111, the water outlet end 1111, the third annular groove 1112, the sleeve 12, the first inserting hole 121, the first tapered hole 1211, the first annular groove 122, the second annular groove 123, the movable joint 2, the second inserting hole 21, the water inlet end 211, the second tapered hole 212, the fourth annular groove 213, the check valve 3, the water outlet 31, the stop valve device 4, the valve element 41, the tapered section 411, the snap ring 42, the pressure spring 43, the clamping steel ball 5, the first sealing ring 6, the second sealing ring 7, the piston 10, the sealing plate 101, the water guide groove 1010, the filter cartridge 20, the upper filter plate 30, the filter cloth 40, and the water outlet pipe 50.
Detailed Description
In the description of the present invention, it is to be understood that the terms "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for distinguishing between different objects and not for describing a particular order.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixedly connected, detachably connected, or integrated, and the specific meaning of the terms in the present invention may be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the utility model discloses a quick assembly disassembly's sewage backflow prevention subassembly, this sewage backflow prevention subassembly 100 are applied to high-pressure piston solid-liquid separation equipment, and this sewage backflow prevention subassembly 100 includes a fixed joint 1, a movable joint 2, a check valve 3 and two stop valve device 4. This fixed joint 1 includes body 11 and sleeve pipe 12, body 11, sleeve pipe 12, move and connect 2 and check valve 3 and install in proper order in piston 10 from bottom to top, body 11 has water inlet 111, sleeve pipe 12 spiro union in body 11, and sleeve pipe 12 has the first spliced eye 121 with water inlet 111 intercommunication. The movable joint 2 is slidably assembled in the first insertion hole 121 of the sleeve 12, in this embodiment, a plurality of clamping steel balls 5 are circumferentially arranged on the inner wall of the top of the sleeve 12, and the movable joint 2 is slidably assembled in the first insertion hole 121 through the clamping steel balls 5. The movable joint 2 is provided with a second inserting hole 21 communicated with the water inlet 111, the one-way valve 3 is inserted into the second inserting hole 21 and fixedly connected with the second inserting hole, the one-way valve 3 is provided with a water outlet 31 communicated with the water inlet 111, the water outlet 31 of the one-way valve 3 is externally connected with a water outlet pipe 50, and the one-way valve 3 ensures that liquid flows out from bottom to top.
The stop valve device 4 includes a valve core 41, a snap ring 42 and a pressure spring 43, the inner wall of the water inlet 111 and the inner wall of the second insertion hole 21 are respectively provided with a third annular groove 1112 and a fourth annular groove 213, and the two snap rings 42 are respectively embedded in the third annular groove 1112 and the fourth annular groove 213, so that the two snap rings 42 are respectively fixed in the fixed joint 1 and the movable joint 2. The two valve cores 41 are respectively arranged at the water outlet end 1111 of the water inlet 111 and the water inlet end 211 of the second inserting hole 21, the two valve cores 41 are oppositely arranged relative to the horizontal direction, and the two pressure springs 43 are respectively propped between the corresponding clamping ring 42 and the valve cores 41.
The bottom surfaces of the first inserting hole 121 and the second inserting hole 21 are respectively provided with a first tapered hole 1211 and a second tapered hole 212, the first tapered hole 1211 and the second tapered hole 212 are respectively communicated with the water inlet 111 and the second inserting hole 21, the necking of the first tapered hole 1211 faces the insertion end of the movable joint 2, and the necking of the second tapered hole 212 faces the first tapered hole 1211. The adjacent end parts of the two valve cores 41 are cone sections 411 which are respectively consistent with the outlines of the first taper hole 1211 and the second taper hole 212, when the movable joint 2 is inserted into the sleeve 12, the two cone sections 411 are mutually abutted and matched, at this time, the two valve cores 41 respectively press the corresponding pressure springs 43, and gaps exist between the cone sections 411 of the two valve cores 41 and the first taper hole 1211 and the second taper hole 212 respectively, so that the mutual communication between the water inlet 111 and the water outlet 31 is realized. When the movable joint 2 is separated from the sleeve 12, the two valve cores 41 respectively move towards each other in the vertical direction under the action of the corresponding compression springs 43, so that the conical sections 411 of the two valve cores 41 respectively block the first conical hole 1211 and the second conical hole 212, and the water flow is stopped.
Further, the inner walls at the two ends of the sleeve 12 are respectively provided with a first annular groove 122 and a second annular groove 123, and a first sealing ring 6 in sealing threaded connection with the body 11 and a second sealing ring 7 in sealing sliding fit with the movable joint 2 are respectively embedded in the first annular groove 122 and the second annular groove 123, so that the sewage in the water outlet pipe 50 can not flow back.
The utility model discloses a focus lies in: only need outwards slide movable joint 2, make movable joint 2 break away from fixed joint 1, just can wash or maintain check valve 3 this moment, it is long consuming time to have solved current check valve 3 dismantlement and installation well to and cause the technical problem that check valve 3 connects the inefficacy because of connecting thread is impaired after many times of dismouting.
As shown in fig. 2 and 3, the sewage backflow prevention assembly 100 is applied to a high-pressure piston type solid-liquid separation apparatus, which further includes a filter cartridge 20, a piston 10, a piston cylinder (not shown), an upper filter plate 30, a lower filter plate (not shown), and a water outlet pipe 50. The piston 10 is movably sleeved in the inner cavity of the filter cartridge 20, and the piston 10 is driven by the piston cylinder to move up and down along the filter cartridge 20. The upper filter plate 30 and the lower filter plate are disposed opposite to each other, and the filter cloth 40 is respectively covered on the opposite surfaces of the upper filter plate 30 and the lower filter plate, the upper filter plate 30 is fixedly disposed at the bottom of the piston 10, and the fitting relationship between the lower filter plate and the device is not closely related to the present application, so that it is not necessary to describe here. The bottom of the piston 10 is provided with a sealing plate 101, a water guide groove 1010 is additionally arranged on the lower surface of the sealing plate 101, the sewage backflow prevention assembly 100 is fixed on the sealing plate 101 of the piston 10, the sewage backflow prevention assembly 100 is communicated with the water guide groove 1010, and the one-way valve 3 ensures that liquid flows out from bottom to top.
The working principle of the utility model is as follows; the sludge is filled in the containing cavity formed by the lower filter plate and the filter cartridge 20, the piston cylinder drives the piston 10 to extrude downwards along the filter cartridge 20, the sludge is extruded between the upper filter plate 30 and the lower filter plate, a part of water in the sludge overflows outwards from the water passing hole of the upper filter plate 30 and flows into the water inlet 111 of the fixed joint 1 through the water guide groove 1010 at the bottom of the piston 10, and then the water flows into the water outlet pipe 50 through the first taper hole 1211, the first plug hole 121, the second taper hole 212, the second plug hole 21 and the water outlet 31 in sequence, so that the collection of a part of sewage is completed.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes and modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (7)
1. A quick assembly disassembly's sewage backflow prevention subassembly (100), its characterized in that: the sewage backflow-preventing component is applied to high-pressure piston type solid-liquid separation equipment and comprises a fixed joint (1), a movable joint (2), a one-way valve (3) and two stop valve devices (4); the fixed joint (1), the movable joint (2) and the one-way valve (3) are sequentially arranged at the bottom of the piston (10) from bottom to top, and the fixed joint (1) is provided with a water inlet (111) and a first inserting hole (121) communicated with the water inlet (111); the movable joint (2) is assembled in a first inserting hole (121) of the fixed joint (1) in a sliding mode, the movable joint (2) is provided with a second inserting hole (21) communicated with the water inlet (111), the one-way valve (3) is inserted into the second inserting hole (21) and fixedly connected with the second inserting hole, the one-way valve (3) is provided with a water outlet (31) communicated with the water inlet (111), and the water outlet (31) of the one-way valve (3) is externally connected with a water outlet pipe; the two stop valve devices (4) are respectively arranged at the position of the water outlet end (1111) of the water inlet (111) and the position of the water inlet end (211) of the second inserting hole (21), and the two stop valve devices (4) are used for controlling the connection/disconnection of the water inlet (111) and the water outlet (31).
2. A quick-release backflow prevention assembly (100) as claimed in claim 1, wherein: the two stop valve devices are arranged oppositely relative to the horizontal direction, each stop valve device (4) comprises a valve core (41), a clamping ring (42) and a pressure spring (43), and the two pressure springs (43) are respectively arranged between the corresponding clamping ring (42) and the corresponding valve core (41) in an ejecting mode; when the movable connector (2) is inserted into the fixed connector (1), the water inlet (111) and the water outlet (31) are communicated with each other by the abutting fit between the two valve cores (41), and at the moment, the two valve cores (41) respectively extrude the corresponding pressure springs (43); when the movable connector (2) is separated from the fixed connector (1), the two valve cores (41) respectively move in opposite directions along the vertical direction under the action of the corresponding pressure springs (43), so that the two valve cores (41) respectively block the water outlet end (1111) of the water inlet (111) and the water inlet end (211) of the second inserting hole (21), and water flow is stopped.
3. A quick-release backflow prevention assembly (100) as claimed in claim 2, wherein: the bottom surfaces of the first inserting hole (121) and the second inserting hole (21) are respectively provided with a first tapered hole (1211) and a second tapered hole (212), and the first inserting hole and the second inserting hole are respectively provided with a first tapered hole (1211) and a second tapered hole (212)
The necking of the first tapered hole (1211) faces the insertion end of the movable joint (2), the necking of the second tapered hole (212) faces the first tapered hole (1211), the abutting sections of the two valve cores (41) are tapered sections (411) which are respectively connected with the first tapered hole (1211) and the first tapered hole (1211)
The outline of the second conical hole (212) is consistent; when the movable joint (2) is inserted into the fixed joint (1), the cone sections (411) of the two valve cores (41) respectively have gaps with the first tapered hole (1211) and the second tapered hole (212), so that the water inlet (111) is communicated with the water outlet (31), when the movable joint (2) is separated from the fixed joint (1), the two valve cores (41) respectively move in the vertical direction under the action of the corresponding pressure springs (43) in the opposite directions, so that the cone sections (411) of the two valve cores (41) respectively block the first tapered hole (1211) and the second tapered hole (212), and water flow is stopped.
4. A quick-release backflow prevention assembly (100) as claimed in claim 2, wherein: the inner wall of the water inlet (111) and the inner wall of the second inserting hole (21) are respectively provided with a third annular groove (1112) and a fourth annular groove (213), and the two snap rings (42) are respectively embedded in the third annular groove (1112) and the fourth annular groove (213), so that the two snap rings (42) are respectively fixed in the fixed joint (1) and the movable joint (2).
5. A quick-release backflow prevention assembly (100) as claimed in claim 1, wherein: the fixed joint (1) comprises a body (11) and a sleeve (12) which is sleeved at one end of the body (11) in a threaded manner, the other end of the body (11) is fixedly connected to the bottom of the piston (10), the body (11) is provided with a water inlet (111), and the sleeve (12) is provided with a first inserting hole (121) for the sliding assembly of the power joint (2).
6. A quick-release backflow prevention assembly (100) as claimed in claim 5, wherein: the inner wall circumference at sleeve pipe (12) top is equipped with a plurality of screens steel ball (5), move joint (2) and pass through screens steel ball (5) slidable assembly in first spliced eye (121).
7. A quick-release backflow prevention assembly (100) as claimed in claim 5, wherein: the inner walls of the two ends of the sleeve (12) are respectively provided with a first annular groove (122) and a second annular groove (123), and a first sealing ring (6) in sealing threaded connection with the body (11) and a second sealing ring (7) in sealing sliding fit with the movable joint (2) are respectively embedded in the first annular groove (122) and the second annular groove (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023100253.6U CN214063895U (en) | 2020-12-21 | 2020-12-21 | Quick assembly disassembly's sewage anti-return subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023100253.6U CN214063895U (en) | 2020-12-21 | 2020-12-21 | Quick assembly disassembly's sewage anti-return subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN214063895U true CN214063895U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023100253.6U Active CN214063895U (en) | 2020-12-21 | 2020-12-21 | Quick assembly disassembly's sewage anti-return subassembly |
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| CN (1) | CN214063895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434384A (en) * | 2022-08-11 | 2022-12-06 | 中国人民解放军陆军工程大学 | Hydraulic quick-change device control loop for excavator |
-
2020
- 2020-12-21 CN CN202023100253.6U patent/CN214063895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434384A (en) * | 2022-08-11 | 2022-12-06 | 中国人民解放军陆军工程大学 | Hydraulic quick-change device control loop for excavator |
| CN115434384B (en) * | 2022-08-11 | 2023-08-11 | 中国人民解放军陆军工程大学 | Hydraulic quick-change device control loop for excavator |
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