CN220452807U - Back loose joint non-return filtering gate valve - Google Patents
Back loose joint non-return filtering gate valve Download PDFInfo
- Publication number
- CN220452807U CN220452807U CN202321935758.5U CN202321935758U CN220452807U CN 220452807 U CN220452807 U CN 220452807U CN 202321935758 U CN202321935758 U CN 202321935758U CN 220452807 U CN220452807 U CN 220452807U
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- Prior art keywords
- filter
- check
- gate valve
- valve
- filter screen
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- 238000001914 filtration Methods 0.000 title abstract description 12
- 239000013049 sediment Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000006872 improvement Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a back loose joint non-return filtering gate valve, comprising: the filter comprises a shell component, a filter screen and an anti-rotation sleeve, wherein the shell component is detachably arranged at the outlet of the gate valve, a runner communicated with the outlet of the gate valve is arranged in the shell component, the filter screen is of a bottom opening cylinder structure and is movably arranged in the valve body component, the filter screen penetrates through the runner in the radial direction of the runner, the anti-rotation sleeve is arranged in the runner, and one end of the anti-rotation sleeve, which is far away from the outlet of the gate valve, penetrates through the side wall of the filter screen and extends into the filter screen. The utility model concentrates the check and filtering functions on the gate valve, realizes the multifunction of one valve, simultaneously can reduce product leakage points, shortens the total length of the valve, and is provided with the anti-rotation sleeve, thereby realizing the positioning of the filter screen and ensuring the filtering effect.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a back loose joint check filter gate valve.
Background
In the valve behind the meter connected with the water meter in the resident household water supply pipeline well, most commonly, the valve with single function is mainly used, and the valve only plays a role in opening and closing in the household pipeline. With the generation of water metering problems caused by water meter idling and inversion, the promotion of resident health consciousness and the popularization of novel water household appliances such as water purifiers, the installation of valves with the functions of check and filter devices in a household pipeline well are gradually increased.
The existing check valve and gate valve are assembled together, the length is long, the leakage point is many, the maintenance cost is high, in addition, as rust and other impurities can exist after a running water pipeline is long in years, the quality of various indoor water devices and the health of drinking water can be influenced, the condition of additionally installing a filter after a running water meter is also provided, the filter adopts a cylindrical filter screen, and the filter effect is influenced as the pipeline fluid possibly has a rotating phenomenon.
Disclosure of Invention
Aiming at the problems of the prior filtering gate valve, the utility model aims to provide a back loose joint check filtering gate valve with few leakage points, good filtering effect and convenient assembly.
The specific technical scheme is as follows:
a back loose-joint check filter gate valve, comprising: gate valve, locate the check valve of the import of gate valve and locate the filter of the export of gate valve, the filter includes:
the shell assembly is detachably arranged at the outlet of the gate valve, and a runner communicated with the gate valve outlet is arranged in the shell assembly;
the filter screen is of a bottom opening cylinder structure, is movably arranged in the valve body assembly, and penetrates through the flow passage along the radial direction of the flow passage;
the anti-rotation sleeve is arranged in the flow channel, and one end of the anti-rotation sleeve, which is far away from the gate valve outlet, penetrates through the side wall of the filter screen and extends into the filter screen.
As a further improvement and optimization of the scheme, the side wall of the filter screen is provided with a positioning hole, and one end of the anti-rotation sleeve extends into the filter screen through the positioning hole.
As a further improvement and optimization of the scheme, the outer wall of the anti-rotation sleeve is provided with a first limiting step, the inner wall of the channel is provided with a second limiting step, and a first elastic piece is arranged between the first limiting step and the second limiting step.
As a further improvement and optimization of the scheme, the outer wall of one end of the anti-rotation sleeve, which is close to the gate valve outlet, is provided with a limiting groove, a first check ring is arranged in the limiting groove, and the first check ring is in limiting fit with one end of the flow channel.
As a further improvement and optimization of the scheme, an installation cavity matched with the filter screen is arranged in the shell assembly, and a slag settling tank extends downwards from the bottom of the installation cavity.
As a further improvement and optimization of the scheme, the bottom of the shell component is provided with a drain outlet communicated with the sediment tank, and a drain blocking cover is detachably arranged at the drain outlet.
As a further improvement and optimization of the present solution, the housing assembly includes:
the filter valve body is arranged at the outlet of the gate valve in a threaded manner, and the flow channel is arranged on the filter valve body;
the filter valve cover is arranged at the bottom of the filter valve body in a threaded manner, an installation cavity is formed between the filter valve cover and the filter valve body, the sediment groove and the sewage draining outlet are arranged on the filter valve cover, and the sewage draining blocking cover is arranged on the filter valve cover in a threaded manner.
As a further improvement and optimization of the present solution, the check valve includes:
the check valve body is internally provided with an inflow flow path, a check flow path and a discharge flow path which are sequentially communicated, and one end of the discharge flow path, which is far away from the check flow path, is communicated with an inlet thread of the gate valve;
a bracket installed in the discharge flow path;
the check valve clack is arranged in the check flow passage, is slidably arranged on the bracket through a sliding rod, and is in sealing fit with the communication part of the inflow flow passage and the check flow passage;
and the second elastic piece is arranged between the bracket and the check valve clack.
As a further improvement and optimization of the scheme, one end of the check valve body, which is away from the gate valve, is movably sleeved with a loose joint nut, a second check ring is arranged between the loose joint nut and the check valve body, and the check valve body is axially limited through the second check ring.
Compared with the prior art, the technical scheme has the following positive effects:
(1) According to the utility model, the anti-rotation sleeve is additionally arranged in the flow passage in the filter, so that one end of the anti-rotation sleeve penetrates through the side wall of the filter screen and extends into the filter screen, and fluid at the outlet of the gate valve directly flows into the filter screen to be filtered through the other end of the anti-rotation sleeve, thereby effectively avoiding the influence of circumferential rotation of the filter screen on the filtering effect of the fluid caused by fluid impact.
(2) According to the utility model, the outer wall of the anti-rotation sleeve is provided with the first limiting step, the inner wall of the channel is provided with the second limiting step, the first elastic piece is arranged between the first limiting step and the second limiting step, before the filter screen is assembled, the anti-rotation sleeve is extruded to one side of the gate valve to be pulled, the filter screen is arranged in the shell assembly, the positioning hole faces the anti-rotation sleeve, the anti-rotation sleeve is loosened, and the filter screen is automatically stretched into the filter screen to be assembled through the positioning hole under the elastic action of the first elastic piece, so that the assembly efficiency is improved.
(3) The utility model concentrates the check and filter functions on the gate valve, realizes the multifunction of one valve, solves the problems of idle running and reverse running of the water meter, improves the accuracy and stability of the water meter, improves the water quality, protects the household appliances for indoor water, has few leakage points of products and has short total length of the valve.
Drawings
FIG. 1 is a schematic diagram of a back loose-joint check filter gate valve according to the present utility model;
FIG. 2 is a schematic diagram of a filter with a back loose-joint check filter gate valve according to the present utility model;
FIG. 3 is a diagram showing the arrangement between the filter valve body and the anti-rotation sleeve of the back loose-joint non-return filter gate valve of the present utility model;
FIG. 4 is a schematic diagram of the anti-rotation sleeve of the back loose joint check filter gate valve of the present utility model;
FIG. 5 is a schematic view of the structure of a check valve of a back-of-gauge loose-joint check filter gate valve of the present utility model;
in the accompanying drawings: 1. a gate valve; 2. a check valve; 3. a filter; 21. a check valve body; 22. a check valve flap; 23. a second elastic member; 24. a slide bar; 25. a bracket; 26. a loose joint nut; 27. the second check ring; 211. an inflow channel; 212. a non-return flow path; 213. a discharge flow path; 31. a housing assembly; 32. an anti-rotation sleeve; 33. a first retainer ring; 34. a first elastic member; 35. a filter screen; 36. a pollution discharge blanking cover; 311. a filter valve body; 312. a filter valve cover; 313. a flow passage; 314. a mounting cavity; 315. a slag settling tank; 316. a sewage outlet; 321. a first limit step; 322. a limit groove; 3111. and the second limiting step.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural view of a back-table loose-joint check filter gate valve according to the present utility model, fig. 2 is a schematic structural view of a filter of a back-table loose-joint check filter gate valve according to the present utility model, fig. 3 is a diagram of a transition between a filter valve body and an anti-rotation sleeve of a back-table loose-joint check filter gate valve according to the present utility model, fig. 4 is a schematic structural view of an anti-rotation sleeve of a back-table loose-joint check filter gate valve according to the present utility model, fig. 5 is a schematic structural view of a check valve of a back-table loose-joint check filter gate valve according to the present utility model, and fig. 1 to 5 show a back-table loose-joint check filter gate valve 1 according to a preferred embodiment of the present utility model, comprising: the gate valve 1, the check valve 2 of locating the import of gate valve 1 and the filter 3 of locating the export of gate valve 1, filter 3 includes housing assembly 31, filter screen 35 and anti-rotation cover 32, housing assembly 31 detachably installs in the export of gate valve 1, be equipped with the runner 313 with gate valve 1 export switch-on in the housing assembly 31, filter screen 35 is bottom opening barrel structure, and in the movable valve body subassembly of locating, and filter screen 35 runs through runner 313 along the radial of runner 313, anti-rotation cover 32 locates in runner 313, and for both ends opening structure, the one end that anti-rotation cover 32 kept away from gate valve 1 export is passed the lateral wall of filter screen 35 and is extended to in the filter screen 35 for restriction filter screen 35 rotates.
In this embodiment, the anti-rotation sleeve 32 is additionally installed in the flow channel 313 in the filter 3, so that one end of the anti-rotation sleeve 32 passes through the side wall of the filter screen 35 and extends into the filter screen 35, and the fluid at the outlet of the gate valve 1 directly flows into the filter screen 35 to be filtered through the other end of the anti-rotation sleeve 32, thereby effectively avoiding the influence on the filtering effect of the fluid caused by circumferential rotation of the filter screen 35 under the impact of the fluid.
Further, as a preferred embodiment, a sidewall of the filter screen 35 is provided with a positioning hole (not shown), and one end of the anti-rotation sleeve 32 extends into the filter screen 35 through the positioning hole.
Further, as a preferred embodiment, the outer wall of the anti-rotation sleeve 32 is provided with a first limiting step 321, the inner wall of the channel is provided with a second limiting step 3111, a first elastic member 34 is arranged between the first limiting step 321 and the second limiting step 3111, before the filter screen 35 is assembled, the anti-rotation sleeve 32 is extruded to extrude the first elastic member 34 to drag towards one side of the gate valve 1, the filter screen 35 is installed in the housing assembly 31, the positioning hole faces the anti-rotation sleeve 32, the anti-rotation sleeve 32 is loosened, and the filter screen 35 is automatically stretched into the interior of the filter screen 35 for assembly under the elastic action of the first elastic member 34 through the positioning hole, so that the assembly efficiency is improved.
Further, as a preferred embodiment, in order to avoid the excessive deviation of the anti-rotation sleeve 32 during the assembly to the inside of the filter screen 35, which results in blocking of the filter screen 35, the outer wall of one end of the anti-rotation sleeve 32, which is close to the outlet of the gate valve 1, is provided with a limiting groove 322, and a first retainer ring 33 is installed in the limiting groove 322, and when the anti-rotation sleeve 32 extends into the inside of the filter screen 35 through the positioning hole, the first retainer ring 33 is in limiting fit with one end of the runner 313, so as to prevent the anti-rotation sleeve 32 from further extending into.
Further, as a preferred embodiment, the housing assembly 31 is provided with a mounting cavity 314 matched with the filter screen 35, the bottom of the mounting cavity 314 is extended downwards to form a sediment tank 315, and the filtered impurities of the filter screen 35 are precipitated downwards and concentrated into the sediment tank 315 under the action of self gravity, so that the blocking phenomenon of the filter screen 35 is reduced, and the filtering effect of the filter screen 35 is further improved.
Further, as a preferred embodiment, in order to facilitate the discharge of the impurities filtered by the filter screen 35, the bottom of the housing assembly 31 is provided with a drain outlet 316 communicated with the sediment tank 315, the drain outlet 316 is detachably provided with a drain cover 36, and the impurities in the sediment tank 315 can be automatically discharged from the drain outlet 316 by opening the drain cover 36, so that the drain is convenient and quick.
Preferably, the drain cover 36 is threadably mounted to the drain 316.
Further, as a preferred embodiment, in order to facilitate the disassembly and assembly of the filter screen 35 and the cleaning operation, the housing assembly 31 includes a filter valve body 311 and a filter valve cover 312, the filter valve body 311 is screwed on the outlet of the gate valve 1, the flow channel 313 is provided on the filter valve body 311, the filter valve cover 312 is screwed on the bottom of the filter valve body 311, a mounting cavity 314 is formed between the filter valve cover 312 and the filter valve body 311, the sediment tank 315 and the sewage drain 316 are provided on the filter valve cover 312, the sewage drain plug 36 is screwed on the filter valve cover 312, and the disassembly and cleaning operation of the filter screen 35 are greatly facilitated through the detachable installation of the filter valve body 311 and the filter valve cover 312.
Further, as a preferred embodiment, the check valve 2 comprises a check valve body 21, a bracket 25, a check valve clack 22 and a second elastic member 23, wherein an inflow flow path 211, a check flow path 212 and a discharge flow path 213 which are communicated in sequence are arranged in the check valve body 21, one end of the discharge flow path 213 away from the check flow path 212 is communicated with the inlet thread of the gate valve 1, the bracket 25 is arranged in the discharge flow path 213, the check valve clack 22 is arranged in the check flow path 313 and is slidably arranged on the bracket 25 through a sliding rod 24, the check valve clack 22 is in sealing fit with the communicating part of the inflow flow path 211 and the check flow path 212, and the second elastic member 23 is arranged between the bracket 25 and the check valve clack 22.
Specifically, the installation place between the check valve body 21 and the inlet of the gate valve 1 and the installation place between the filter valve body 311 and the outlet of the gate valve 1 are coated with anaerobic adhesive.
In the embodiment, the check and filtering functions are concentrated on the gate valve 1, so that the multifunctional valve is realized, the problems of idle running and reverse rotation of the water meter are solved, the accuracy and stability of the water meter metering are improved, the water quality is improved, the household appliances for indoor water use are protected, the leakage points of products are few, and the total length of the valve is short.
Further, as a preferred embodiment, a loose joint nut 26 is movably sleeved at one end of the check valve body 21 away from the gate valve 1, and a second check ring 27 is arranged between the loose joint nut 26 and the check valve body 21 and is axially limited by the second check ring 27.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. A back loose-joint check filter gate valve, comprising: gate valve, locate the check valve of the import of gate valve and locate the filter of the export of gate valve, the filter includes:
the shell assembly is detachably arranged at the outlet of the gate valve, and a runner communicated with the gate valve outlet is arranged in the shell assembly;
the filter screen is of a bottom opening cylinder structure, is movably arranged in the shell assembly, and penetrates through the flow passage along the radial direction of the flow passage;
the anti-rotation sleeve is arranged in the flow passage, and one end of the anti-rotation sleeve, which is far away from the gate valve outlet, penetrates through the side wall of the filter screen and extends into the filter screen;
the side wall of the filter screen is provided with a positioning hole, and one end of the anti-rotation sleeve extends into the filter screen through the positioning hole;
the outer wall of the anti-rotation sleeve is provided with a first limiting step, the inner wall of the shell assembly is provided with a second limiting step, and a first elastic piece is arranged between the first limiting step and the second limiting step;
the anti-rotation sleeve is provided with a limiting groove on the outer wall of one end, close to the gate valve outlet, of the anti-rotation sleeve, a first check ring is installed in the limiting groove, and the first check ring is in limiting fit with one end of the runner.
2. The back loose-joint check filter gate valve of claim 1, wherein a mounting cavity matched with the filter screen is arranged in the shell assembly, and a slag settling tank extends downwards from the bottom of the mounting cavity.
3. The back-to-meter loose-joint check filter gate valve of claim 2, wherein the bottom of the housing assembly has a drain port in communication with the sediment tank, and a drain plug is removably mounted at the drain port.
4. The post-meter loose-joint check filter gate valve of claim 3, wherein the housing assembly comprises:
the filter valve body is arranged at the outlet of the gate valve in a threaded manner, and the flow channel is arranged on the filter valve body;
the filter valve cover is arranged at the bottom of the filter valve body in a threaded manner, an installation cavity is formed between the filter valve cover and the filter valve body, the sediment groove and the sewage draining outlet are arranged on the filter valve cover, and the sewage draining blocking cover is arranged on the filter valve cover in a threaded manner.
5. The post-meter loose-joint check filter gate valve of claim 1, wherein the check valve comprises:
the check valve body is internally provided with an inflow flow path, a check flow path and a discharge flow path which are sequentially communicated, and one end of the discharge flow path, which is far away from the check flow path, is communicated with an inlet thread of the gate valve;
a bracket installed in the discharge flow path;
the check valve clack is arranged in the check flow path and is slidably arranged on the bracket through a sliding rod, and the check valve clack is in sealing fit with the communication part of the inflow flow path and the check flow path;
and the second elastic piece is arranged between the bracket and the check valve clack.
6. The back-to-gauge loose-joint check filter gate valve of claim 5, wherein a loose-joint nut is movably sleeved at one end of the check valve body away from the gate valve, and a second retainer ring is arranged between the loose-joint nut and the check valve body and is axially limited by the second retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935758.5U CN220452807U (en) | 2023-07-21 | 2023-07-21 | Back loose joint non-return filtering gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321935758.5U CN220452807U (en) | 2023-07-21 | 2023-07-21 | Back loose joint non-return filtering gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452807U true CN220452807U (en) | 2024-02-06 |
Family
ID=89730676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321935758.5U Active CN220452807U (en) | 2023-07-21 | 2023-07-21 | Back loose joint non-return filtering gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452807U (en) |
-
2023
- 2023-07-21 CN CN202321935758.5U patent/CN220452807U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
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