CN210566356U - Reliable anti-leakage gate valve - Google Patents
Reliable anti-leakage gate valve Download PDFInfo
- Publication number
- CN210566356U CN210566356U CN201921074146.5U CN201921074146U CN210566356U CN 210566356 U CN210566356 U CN 210566356U CN 201921074146 U CN201921074146 U CN 201921074146U CN 210566356 U CN210566356 U CN 210566356U
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- Prior art keywords
- valve
- plate
- valve rod
- welded
- threads
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- 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.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model provides a reliable prevent leaking gate valve, including valve body, valve gap, clamp plate, tight clamping ring, footstep bearing, valve rod, guard plate, supporting shoe, the valve rod supports, the hoop, the disk seat, the valve plate, connector and flange, wherein: the valve cover is arranged above the valve body, the pressing plate is arranged above the valve cover through threads, and the pressing ring is arranged above the pressing plate through threads; the valve rod is installed inside the pressure plate through threads, a thrust bearing is arranged between the valve rod and the valve cover, and the protection plate is nested on the surface of the valve rod; the protection plate is installed between the valve body and the valve cover through bolts, the supporting block is welded on the inner surface of the valve body, and the valve rod is welded on the inner side of the supporting block in a supporting mode; the valve stem supports a surface nested within the valve stem. The utility model discloses footstep bearing, guard plate, supporting shoe, valve rod support and hoop's setting rotate easily, and the valve rod can not rock, can not produce the gap and leak, the marketing and the application of being convenient for.
Description
Technical Field
The utility model discloses a gate valve equipment field especially relates to a reliable gate valve of preventing leaking.
Background
The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate.
When the gate valve is closed, the sealing surface can be sealed only by medium pressure, namely, the sealing surface of the gate plate is pressed to the valve seat on the other side by the medium pressure to ensure the sealing of the sealing surface, namely, the gate valve is self-sealed. Most gate valves are forcedly sealed, namely, when the valves are closed, the gate plates are forced to press the valve seats by external force so as to ensure the sealing performance of the sealing surfaces. However, the existing gate valve still has the problems that the rotation is hard, the valve rod is easy to shake, and gaps and water leakage are easy to generate.
Therefore, it is necessary to develop a reliable gate valve for preventing leakage.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reliable gate valve of preventing leaking to solve current gate valve and still having to rotate hard, the valve rod rocks easily, produces the problem that the gap leaked easily. The utility model provides a reliable gate valve of preventing leaking, includes the valve body, the valve gap, the clamp plate, and tight clamping ring, footstep bearing, the valve rod, the guard plate, the supporting shoe, the valve rod supports, the hoop, the disk seat, the valve plate, connector and flange, wherein: the valve cover is arranged above the valve body, the pressing plate is arranged above the valve cover through threads, and the pressing ring is arranged above the pressing plate through threads; the valve rod is installed inside the pressure plate through threads, a thrust bearing is arranged between the valve rod and the valve cover, and the protection plate is nested on the surface of the valve rod; the protection plate is installed between the valve body and the valve cover through bolts, the supporting block is welded on the inner surface of the valve body, and the valve rod is welded on the inner side of the supporting block in a supporting mode; the valve rod support is nested on the surface of the valve rod, the iron hoop is installed on the surface of the valve rod support through a bolt, and the iron hoop is nested on the surface of the valve rod and welded on the bottom of the valve body; the valve plate is embedded in the valve seat and welded at the bottom end of the valve rod; the connecting port is welded at the rear of the valve body and is connected with the valve seat; the connecting flange is welded in front of the valve body and is connected with the valve seat; the connecting flange comprises a fixing plate, a connecting plate, sealing grains and a connecting hole, the fixing plate is welded on the outer side of the connecting plate, and the sealing grains or the connecting hole are arranged on the surface of the fixing plate or the connecting plate.
The thrust bearing is composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the thrust bearing is divided into a shaft sheet and a seat sheet, the rolling bodies in the thrust bearing are combined into a whole by iron or copper retainers, friction between the valve cover and the valve rod is reduced, resistance between the valve cover and the valve rod is reduced, and labor is saved during rotation.
The protection plate adopts circular stainless steel sheetmetal, and the welding of the centre of protection plate has a thick stainless steel ferrule, and the interior standard face of this ferrule is provided with the screw thread assorted screw thread with the valve rod surface, is favorable to reducing the non-contact part of valve rod between valve body or valve gap, prevents to reduce the valve rod and appears rocking.
The iron hoop adopts circular metal block, and the inside of iron hoop is provided with circular cavity, is favorable to preventing that rocking from appearing in the valve rod, prevents to lead to the gap expansion of junction to lead to leaking because of rocking of valve rod.
The sealing lines are a plurality of circular grooves or protrusions which are concentric circles, and the sealing lines are matched with the external flange plate, so that the connection area is increased when the sealing lines are connected, and the situation of water leakage caused by untight connection is prevented.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses footstep bearing's setting is favorable to reducing the friction in the middle of valve gap and the valve rod, reduces the resistance in the middle of valve gap and the valve rod, and is more laborsaving during the rotation.
2. The utility model discloses the setting of guard plate is favorable to reducing the non-contact part of valve rod between valve body or valve gap, prevents to reduce the valve rod and appears rocking.
3. The utility model discloses the setting of sealed line is favorable to increasing connection area when connecting, prevents to appear connecting the condition that closely appears leaking.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
Fig. 2 is a schematic diagram of the external structure of the present invention.
Fig. 3 is an enlarged view of fig. 2 a according to the present invention.
In the figure:
1-valve body, 2-valve cover, 3-pressure plate, 4-clamping ring, 5-thrust bearing, 6-valve rod, 7-protection plate, 8-supporting block, 9-valve rod support, 10-iron hoop, 11-valve seat, 141-fixing plate, 142-connecting plate, 143-sealing line, 144-connecting hole, 12-valve plate, 13-connecting port and 14-connecting flange.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3
The utility model provides a reliable prevent leaking gate valve, including valve body 1, valve gap 2, clamp plate 3 sticiss ring 4, footstep bearing 5, valve rod 6, guard plate 7, supporting shoe 8, valve rod support 9, hoop 10, disk seat 11, valve plate 12, connector 13 and flange 14, wherein: the valve cover 2 is installed above the valve body 1, the pressing plate 3 is installed above the valve cover 2 through threads, and the pressing ring 4 is installed above the pressing plate 3 through threads; the valve rod 6 is installed inside the pressure plate 3 through threads, a thrust bearing 5 is arranged between the valve rod 6 and the valve cover 2, and the protection plate 7 is embedded on the surface of the valve rod 6; the protection plate 7 is installed between the valve body 1 or the valve cover 2 through bolts, the supporting block 8 is welded on the inner surface of the valve body 1, and the valve rod support 9 is welded on the inner side of the supporting block 8; the valve rod support 9 is nested on the surface of the valve rod 6, an iron hoop 10 is installed on the surface of the valve rod support 9 through bolts, and the iron hoop 10 is nested on the surface of the valve rod 6, and a valve seat 11 is welded on the bottom of the valve body 1; the valve plate 12 is embedded in the valve seat 11, and the valve plate 12 is welded at the bottom end of the valve rod 6; the connecting port 13 is welded at the rear of the valve body 1, and the connecting port 13 is connected with the valve seat 11; the connecting flange 14 is welded in front of the valve body 1, and the connecting flange 14 is connected with the valve seat 11; the connecting flange 14 includes a fixing plate 141, a connecting plate 142, a sealing rib 143 and a connecting hole 144, and the fixing plate 141 is welded to the outer side of the connecting plate 142, the sealing rib 143 or the connecting hole 144 being provided on the surface of the fixing plate 141 or the connecting plate 142.
The thrust bearing 5 is composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the thrust bearing 5 is divided into a shaft sheet and a seat sheet, the rolling bodies in the thrust bearing 5 are combined into a whole by iron or copper retainers, friction between the valve cover 2 and the valve rod 6 is reduced, resistance between the valve cover 2 and the valve rod 6 is reduced, and labor is saved during rotation.
The protection plate 7 adopts circular stainless steel sheetmetal, and the welding has a thick stainless steel ferrule in the middle of protection plate 7, and the interior standard face of this ferrule is provided with the screw thread assorted screw thread with valve rod 6 surface, is favorable to reducing the non-contact part of valve rod 6 between valve body 1 or valve gap 2, prevents to reduce valve rod 6 and appears rocking.
The sealing lines 143 are circular grooves or protrusions which are concentric circles, and the sealing lines 143 are matched with an external flange plate, so that the connection area is increased when the connection is performed, and the situation of water leakage caused by untight connection is prevented.
Principle of operation
The utility model discloses in, footstep bearing 5's setting, be favorable to reducing the friction in the middle of valve gap 2 and valve rod 6, reduce the resistance in the middle of valve gap 2 and the valve rod 6, it is more laborsaving during the rotation, guard plate 7's setting, be favorable to reducing the non-contact part of valve rod 6 between valve body 1 or valve gap 2, prevent to reduce valve rod 6 and appear rocking, hoop 10's setting, be favorable to preventing that rocking from appearing in valve rod 6, prevent to lead to leaking because of the gap expansion of rocking of valve rod 6 and leading to the junction, the setting of sealed line 143, be favorable to increasing connection area when connecting, the condition of leaking appears not closely in preventing to connect.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. A reliable anti-leak gate valve which characterized in that: including valve body (1), valve gap (2), clamp plate (3), clamping ring (4), footstep bearing (5), valve rod (6), guard plate (7), supporting shoe (8), valve rod support (9), hoop (10), disk seat (11), valve plate (12), connector (13) and flange (14), wherein: the valve cover (2) is arranged above the valve body (1), the pressing plate (3) is arranged above the valve cover (2) through threads, and the clamping ring (4) is arranged above the pressing plate (3) through threads; the valve rod (6) is installed inside the pressure plate (3) through threads, a thrust bearing (5) is arranged between the valve rod (6) and the valve cover (2), and the protection plate (7) is embedded on the surface of the valve rod (6); the protection plate (7) is installed between the valve body (1) or the valve cover (2) through bolts, the supporting block (8) is welded on the inner surface of the valve body (1), and the valve rod support (9) is welded on the inner side of the supporting block (8); the valve rod support (9) is nested on the surface of the valve rod (6), an iron hoop (10) is installed on the surface of the valve rod support (9) through bolts, and the iron hoop (10) is nested on the surface of the valve rod (6) and a valve seat (11) is welded at the bottom of the valve body (1); the valve plate (12) is embedded in the valve seat (11), and the valve plate (12) is welded at the bottom end of the valve rod (6); the connecting port (13) is welded at the rear of the valve body (1), and the connecting port (13) is connected with the valve seat (11); the connecting flange (14) is welded in front of the valve body (1), and the connecting flange (14) is connected with the valve seat (11); the connecting flange (14) comprises a fixing plate (141), a connecting plate (142), sealing grains (143) and connecting holes (144), the fixing plate (141) is welded on the outer side of the connecting plate (142), and the sealing grains (143) or the connecting holes (144) are arranged on the surface of the fixing plate (141) or the connecting plate (142).
2. A reliable leak-proof gate valve as defined in claim 1, wherein: the thrust bearing (5) is composed of two thrust washers or more thrust washers and a plurality of rolling bodies, the thrust bearing (5) is divided into a shaft sheet and a seat sheet, and the rolling bodies in the thrust bearing (5) are combined into a whole by an iron or copper retainer.
3. A reliable leak-proof gate valve as defined in claim 1, wherein: the protection plate (7) is made of a round stainless steel sheet metal, a thick stainless steel metal hoop is welded in the middle of the protection plate (7), and threads matched with threads on the surface of the valve rod (6) are arranged on an internal standard surface of the metal hoop.
4. A reliable leak-proof gate valve as defined in claim 1, wherein: the iron hoop (10) is a circular metal block, and a circular hollow hole is formed in the iron hoop (10).
5. A reliable leak-proof gate valve as defined in claim 1, wherein: the sealing lines (143) are a plurality of circular grooves or protrusions which are concentric circles, and the sealing lines (143) are matched with the external flange plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074146.5U CN210566356U (en) | 2019-07-10 | 2019-07-10 | Reliable anti-leakage gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074146.5U CN210566356U (en) | 2019-07-10 | 2019-07-10 | Reliable anti-leakage gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566356U true CN210566356U (en) | 2020-05-19 |
Family
ID=70627858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921074146.5U Expired - Fee Related CN210566356U (en) | 2019-07-10 | 2019-07-10 | Reliable anti-leakage gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728141A (en) * | 2021-01-14 | 2021-04-30 | 芜湖市金贸流体科技股份有限公司 | Buried elastic seat seal gate valve |
| CN114278747A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
-
2019
- 2019-07-10 CN CN201921074146.5U patent/CN210566356U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728141A (en) * | 2021-01-14 | 2021-04-30 | 芜湖市金贸流体科技股份有限公司 | Buried elastic seat seal gate valve |
| CN114278747A (en) * | 2022-01-22 | 2022-04-05 | 芜湖市金贸流体科技股份有限公司 | Screw mouth soft seal gate valve capable of effectively reducing fluid resistance and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |