CN215568037U - Sealing gate valve with dredging structure - Google Patents
Sealing gate valve with dredging structure Download PDFInfo
- Publication number
- CN215568037U CN215568037U CN202121815268.2U CN202121815268U CN215568037U CN 215568037 U CN215568037 U CN 215568037U CN 202121815268 U CN202121815268 U CN 202121815268U CN 215568037 U CN215568037 U CN 215568037U
- Authority
- CN
- China
- Prior art keywords
- valve
- groove
- sealing
- threaded
- gate valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of sealing gate valves, and aims to solve the problems that sludge and impurities at the bottom of a gate valve are not easy to clean and easy to damage a valve plate, in particular to a sealing gate valve with a dredging structure, which comprises a valve shell and a valve rod, wherein the top end of the valve shell is also provided with a sewage cleaning port, and a collecting mechanism is arranged below the sewage cleaning port; in order to prevent sludge and impurities from accumulating below the valve plate, a sludge cleaning opening for collecting the sludge and the impurities is formed below the valve shell; when the valve plate is closed, the valve plate can be directly contacted with the valve shell, the valve plate cannot be influenced by sludge and impurities, the service life of the valve plate is guaranteed, and the sealing effect of the valve plate is increased.
Description
Technical Field
The utility model relates to the technical field of sealing gate valves, in particular to a sealing gate valve with a dredging structure.
Background
The opening and closing part of the gate valve is a gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, most gate valves are forcedly sealed, namely, when the gate valve is closed, the gate plate is forced to press a valve seat by external force so as to ensure the sealing property of a sealing surface;
at present, the existing sealing gate valve still has shortcomings, for example, the utility model with application number 2019224240147, in particular to a soft sealing gate valve convenient for replacing the gate valve, the patent proposes a technical scheme, the replacement of the valve plate is realized by quickly cutting off water flow, but when the gate valve is used, the problems of sludge and impurities left at the bottom of the gate valve still exist, and the impurities at the bottom of the gate valve are also an important reason for reducing the sealing performance of the valve plate;
therefore, a mechanism capable of collecting and treating sludge and impurities at the bottom of the gate valve is needed, so that the service life of the valve plate in the gate valve can be guaranteed, and the gate valve can be cleaned conveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that silt and impurities at the bottom of a gate valve are not easy to clean and a valve plate is easy to damage in use, and provides a sealing gate valve with a dredging structure.
The purpose of the utility model can be realized by the following technical scheme:
the sealing gate valve with the dredging structure comprises a valve casing and a valve rod, wherein the valve rod is in threaded connection with the top end of the valve casing, a hand wheel is fixedly mounted at the top end of the valve rod, flange plates are arranged on two sides of the valve casing, a sewage cleaning opening is formed in the top end of the valve casing, and a collecting mechanism is arranged below the sewage cleaning opening;
the collecting mechanism comprises a collecting groove, a sealing block, a sealing groove and a dirt outlet, the dirt outlet is fixedly mounted below the dirt cleaning opening, an annular sealing groove is formed in the bottom surface of the dirt outlet, the collecting groove is movably connected below the dirt outlet, the annular sealing block is fixedly mounted above the collecting groove, the sealing block is connected inside the sealing groove in a clamping mode, and the fixing mechanism is arranged on the outer side of the collecting mechanism.
As a preferred embodiment of the utility model, the fixing mechanism comprises a threaded groove, a threaded ring, a rotating ring, an inserting rod, a limiting block and slots, wherein the threaded groove is formed in the outer surface wall of the sewage outlet, a plurality of groups of disconnected slots are formed in the threaded groove in the vertical direction, the inserting rod is slidably embedded into the slots, the bottom end of the inserting rod is fixedly installed on the side surface wall of the collecting groove, the limiting block is fixedly installed at the top of the inserting rod, the threaded ring is slidably connected to the middle of the inserting rod, and the limiting block is located above the threaded ring.
As a preferred embodiment of the utility model, the protrusion at the bottom end of the inserted link and the limit block at the top end form a groove, and the threaded ring slides in the groove.
In a preferred embodiment of the present invention, the inside of the sealing groove is larger than the sealing block, and a sealing rubber strip is fixedly installed inside the sealing groove.
In a preferred embodiment of the present invention, the purge port has an oval shape, and when the valve stem is lowered to the bottom, the lower purge port is completely sealed.
As a preferred embodiment of the present invention, the swivel is sleeved outside the threaded ring, the threaded ring is fixedly connected to the swivel, and a gap is left between the swivel and the threaded groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. in order to prevent sludge and impurities from accumulating below the valve plate, a sludge cleaning opening for collecting the sludge and the impurities is formed below the valve shell; when the valve plate is closed, partial sludge and impurities can be deposited in the pipeline and the valve shell, at the moment, the sludge and the impurities are still deposited at the bottoms of the valve shell and the pipeline because the cleaning port is blocked by the valve plate, when the valve plate is opened, liquid in the pipeline starts to flow, the sludge and the impurities at the bottoms of the gate valve and the pipeline are driven to move forward, and the deposited sludge and the impurities can fall into a collecting tank below the cleaning port through the cleaning port and enter the collecting tank below the cleaning port, so that the sludge and the impurities are prevented from being deposited below the valve plate, the valve plate can be directly contacted with the valve shell when being closed, the influence of the sludge and the impurities is avoided, the service life of the valve plate is ensured, and the sealing effect of the valve plate is improved;
2. when the gate valve is used for a certain time, the collecting groove can be cleaned by opening the collecting mechanism, when the collecting mechanism is opened, the rotating ring is rotated to drive the threaded ring to rotate together, the threaded ring can ascend along the threaded groove when rotating in the threaded groove, and the threaded ring can be abutted to the limiting block when ascending, so that the limiting block is driven to ascend continuously; in the same way, when unloading the collecting vat, the contra-rotation change circle for the screw thread ring descends in the thread groove, and the collecting vat descends under the action of gravity, when the screw thread ring breaks away from with the inserted bar completely from the thread groove, can take off the collecting vat, the inside silt and the impurity etc. of collecting of clearance collecting vat, the collection function normal use of the collecting vat after being convenient for install again, convenience when this mechanism has realized the collecting vat clearance, and the damage that direct rotation collecting vat brought joint strip has been avoided.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the valve housing internal mechanism of the present invention;
FIG. 3 is a schematic structural view of the fixing mechanism of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.
In the figure: 1. a valve housing; 2. a valve stem; 3. a hand wheel; 4. a collection mechanism; 401. collecting tank; 402. a sealing block; 403. a sealing groove; 404. a sewage outlet; 5. a fixing mechanism; 501. a thread groove; 502. a threaded ring; 503. rotating the ring; 504. inserting a rod; 505. a limiting block; 506. a slot; 6. a flange plate; 7. and 4, cleaning a sewage port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
when the gate valve is used, when the valve plate is closed, liquid in the pipeline stops flowing, a small amount of impurities carried in the liquid can be precipitated into the pipeline, only part of the impurities can flow away along with the liquid after the valve plate is opened, and part of the impurities and sludge can be remained in the pipeline and the gate valve, particularly the accumulation phenomenon of the sludge and the impurities is more serious in the concave valve shell 1 below the valve plate, the influence on the sealing effect of the valve plate is the most serious in the sludge, the impurities and the like accumulated below the valve plate, and the service life and the use effect of the valve plate are greatly reduced;
referring to fig. 1-2, the sealing gate valve with a dredging structure comprises a valve housing 1 and a valve rod 2, wherein the valve rod 2 is in threaded connection with the top end of the valve housing 1, a hand wheel 3 is fixedly mounted at the top end of the valve rod 2, flange plates 6 are arranged on two sides of the valve housing 1, a dredging port 7 for collecting sludge and impurities is further formed in the top end of the valve housing 1, and a collecting mechanism 4 is arranged below the dredging port 7;
collect mechanism 4 including collecting vat 401, sealed piece 402, seal groove 403 and dirty mouthful 404 of play, dirty mouthful 404 fixed mounting of play is in clear dirty mouthful 7 below, go out dirty mouthful 404 bottom surface and seted up annular seal groove 403, dirty mouthful 404 below swing joint has collecting vat 401 of play, collecting vat 401 top fixed mounting has annular sealed piece 402, sealed piece 402 block is connected inside seal groove 403, collect the mechanism 4 outside and be provided with fixed establishment 5, the inside size of seal groove 403 is greater than sealed piece 402, leakproofness when guaranteeing sealed piece 402 block, and the inside fixed mounting of seal groove 403 has joint strip, improve the leakproofness, clear dirty mouthful 7 is oval, valve rod 2 descends to when bottommost, clear dirty mouthful 7 complete sealing with the below.
Example two:
according to the content of impurities and silt in the liquid conveyed by the gate valve, after the gate valve is used for a certain time, the collection mechanism 4 can be cleaned in a mode of opening the collection groove 401 below the gate valve, when the collection mechanism 4 is opened, the collection groove 401 is initially connected with the dirt outlet 404 tightly, namely the sealing block 402 is in a state of pressing the sealing rubber strip in the sealing groove 403, at the moment, if a structure that the collection groove 401 is directly rotated is adopted, the sealing block 402 is bound to generate large friction and even damage to the sealing rubber strip, and therefore the service life of the sealing rubber strip in the sealing groove 403 is influenced;
therefore, a fixing mechanism 5 is disposed outside the collecting mechanism 4, please refer to fig. 3-4, the collecting tank 401 is fixed by the fixing mechanism 5, and the collecting tank 401 is prevented from directly rotating, the fixing mechanism 5 includes a threaded groove 501, a threaded ring 502, a rotating ring 503, an inserting rod 504, a limiting block 505 and a slot 506, the threaded groove 501 is disposed on the outer surface wall of the dirt outlet 404, a plurality of groups of disconnected slots 506 are disposed in the vertical direction of the threaded groove 501, the inserting rod 504 is slidably inserted into the slot 506, the bottom end of the inserting rod 504 is fixedly mounted on the side surface wall of the collecting tank 401, the top of the inserting rod 504 is fixedly mounted with the limiting block 505, the threaded ring 502 is slidably connected to the middle portion of the inserting rod 504, the limiting block 505 is located above the threaded ring 502, a protrusion at the bottom end of the inserting rod 504 and the limiting block 505 at the top end thereof form a groove, and the threaded ring 502 slides in the groove.
With the first and second embodiments, the working principle is as follows:
when the utility model is used, in order to prevent sludge and impurities from accumulating below the valve plate, a sludge cleaning port 7 for collecting the sludge and the impurities is arranged below the valve shell 1, when the valve plate is closed, partial sludge and impurities can be deposited in the pipeline and the valve shell 1, at the moment, since the purge port 7 is blocked by the valve plate, sludge and impurities are still deposited on the valve housing 1 and the bottom of the pipe, and when the valve plate is opened, the liquid in the pipeline begins to flow, the sludge and impurities at the bottom of the gate valve and the pipeline are driven to move forwards and pass through the sewage cleaning port 7, the deposited sludge and impurities can fall into the collecting tank 401 from the cleaning opening 7 and enter the lower part, so that the sludge and impurities are prevented from being deposited below the valve plate, therefore, the valve plate can directly contact the valve shell 1 when being closed without being influenced by silt and impurities, thereby not only ensuring the service life of the valve plate, but also increasing the sealing effect of the valve plate;
after the gate valve is used for a certain time, the collecting groove 401 can be cleaned by opening the collecting mechanism 4, when the collecting mechanism 4 is opened, the rotating ring 503 is rotated, the rotating ring 503 drives the threaded ring 502 to rotate together, the threaded ring 502 can ascend along the threaded groove 501 when rotating in the threaded groove 501, the threaded ring 502 can be abutted to the limiting block 505 when ascending, so that the limiting block 505 is driven to ascend continuously, because the limiting block 505 and the inserting rod 504 are fixed integral mechanisms, the threaded ring 502 ascends to drive the inserting rod 504 to ascend, and the inserting rod 504 can drive the sealing block 402 at the top of the collecting groove 401 below to extrude the sealing groove 403 in the ascending process, so that the sealing block 402 is tightly connected with the sealing groove 403, and the sealing effect is ensured; similarly, when unloading collecting vat 401, the contra-rotation change 503, make threaded ring 502 descend in thread groove 501, collecting vat 401 descends under the action of gravity, when threaded ring 502 breaks away from in thread groove 501 completely with inserted bar 504, can take off collecting vat 401, the inside silt and impurity etc. of collecting vat 401 of clearance, be convenient for install collection function normal use of back collecting vat 401 again, the convenience when this mechanism has realized collecting vat 401 clearance, and avoided the damage that direct rotation collecting vat 401 brought to joint strip.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The sealing gate valve with the dredging structure comprises a valve casing (1) and a valve rod (2), wherein the valve rod (2) is in threaded connection with the top end of the valve casing (1), a hand wheel (3) is fixedly mounted at the top end of the valve rod (2), and flange plates (6) are arranged on two sides of the valve casing (1), and the sealing gate valve is characterized in that a sewage cleaning opening (7) is further formed in the top end of the valve casing (1), and a collecting mechanism (4) is arranged below the sewage cleaning opening (7);
collect mechanism (4) including collecting vat (401), sealed piece (402), seal groove (403) and dirt outlet (404), dirt outlet (404) fixed mounting is in clear dirty mouthful (7) below, annular seal groove (403) have been seted up to dirt outlet (404) bottom surface, dirt outlet (404) below swing joint has collecting vat (401), collecting vat (401) top fixed mounting has annular sealed piece (402), sealed piece (402) block is connected inside seal groove (403), it is provided with fixed establishment (5) to collect mechanism (4) outside.
2. The sealing gate valve with the dredging structure according to claim 1, wherein the fixing mechanism (5) comprises a threaded groove (501), a threaded ring (502), a rotating ring (503), an inserting rod (504), a limiting block (505) and a slot (506), the threaded groove (501) is arranged on the outer surface wall of the sewage outlet (404), the threaded groove (501) is provided with a plurality of groups of disconnected slots (506) in the vertical direction, the inserting rod (504) is slidably inserted into the slots (506), the bottom end of the inserting rod (504) is fixedly arranged on the side surface wall of the collecting tank (401), the top of the inserting rod (504) is fixedly provided with the limiting block (505), the threaded ring (502) is slidably connected to the middle of the inserting rod (504), and the limiting block (505) is positioned above the threaded ring (502).
3. The sealing gate valve with dredging structure of claim 2, wherein the bottom end of the insert rod (504) is protruded to form a groove with a stopper (505) at the top end thereof, and the threaded ring (502) slides in the groove.
4. The sealing gate valve with the dredging structure, according to claim 1, wherein the inside dimension of the sealing groove (403) is larger than that of the sealing block (402), and a sealing rubber strip is fixedly installed inside the sealing groove (403).
5. The sealing gate valve with dredging structure according to claim 1, wherein the dredging opening (7) is oval, and when the valve rod (2) descends to the bottom, the lower dredging opening (7) is completely sealed.
6. The sealing gate valve with the dredging structure, according to claim 2, wherein the rotating ring (503) is sleeved outside the threaded ring (502), the threaded ring (502) is fixedly connected with the rotating ring (503), and a gap is reserved between the rotating ring (503) and the threaded groove (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815268.2U CN215568037U (en) | 2021-08-03 | 2021-08-03 | Sealing gate valve with dredging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815268.2U CN215568037U (en) | 2021-08-03 | 2021-08-03 | Sealing gate valve with dredging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568037U true CN215568037U (en) | 2022-01-18 |
Family
ID=79832722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121815268.2U Active CN215568037U (en) | 2021-08-03 | 2021-08-03 | Sealing gate valve with dredging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215568037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838150A (en) * | 2022-05-20 | 2022-08-02 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
-
2021
- 2021-08-03 CN CN202121815268.2U patent/CN215568037U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838150A (en) * | 2022-05-20 | 2022-08-02 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
| CN114838150B (en) * | 2022-05-20 | 2022-11-18 | 凯斯通阀门有限公司 | Elastic fireproof sealing high-pressure flat gate valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215568037U (en) | Sealing gate valve with dredging structure | |
| CN112392121B (en) | Municipal works are with preventing blockking up drain pipe | |
| CN213394134U (en) | A automatically cleaning pipeline for hydraulic engineering | |
| CN112268218B (en) | Automatic drainage device and drainage method for steam pipeline | |
| CN113187032B (en) | Non-negative pressure horizontal water supply equipment with purification function | |
| CN212004472U (en) | Hard seal flange butterfly valve with filtering effect | |
| CN114618208A (en) | Heating power pipeline filter equipment | |
| CN211952266U (en) | Anti-leakage coal gas drainer | |
| CN214036934U (en) | Soft sealing gate valve | |
| CN217583380U (en) | Novel air exhaust valve with float type structure | |
| CN218377901U (en) | High-efficient sealed gate valve | |
| CN216843149U (en) | Butterfly valve with filtering capability | |
| CN220013885U (en) | Anti-overflow water pool | |
| CN217500494U (en) | Can wash abandon a class well of long-pending silt automatically | |
| CN214578864U (en) | Stop valve | |
| CN201228808Y (en) | Ball-cock | |
| CN219346753U (en) | Automatic drainer for condensate water of negative pressure resistant ventilating duct | |
| CN115899297B (en) | Valve with self-cleaning function | |
| CN220227927U (en) | One-way valve | |
| CN216590160U (en) | Novel combined sealing pipeline ball valve | |
| CN218712693U (en) | Small-size hydraulic engineering integration pump floodgate device | |
| CN214222160U (en) | Float valve | |
| CN220646781U (en) | Stop valve | |
| CN219953676U (en) | Be applied to high-efficient water sucking device of self priming pump | |
| CN217950819U (en) | Disconnect-type hydraulic tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |