CN212455561U - Soft sealing sluice valve - Google Patents
Soft sealing sluice valve Download PDFInfo
- Publication number
- CN212455561U CN212455561U CN202021149678.3U CN202021149678U CN212455561U CN 212455561 U CN212455561 U CN 212455561U CN 202021149678 U CN202021149678 U CN 202021149678U CN 212455561 U CN212455561 U CN 212455561U
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- valve
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- pressing ring
- valve rod
- ring
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Abstract
The utility model discloses a novel soft sealing gate valve, including valve body, valve rod, set up disk seat in the valve body, set up in the valve plate of disk seat, set up in the valve gap of valve body upper end and set up in the gland of valve gap upper end, the valve rod passes from the top down in proper order the gland the valve gap stretches into in the valve body, its characterized in that: the lower half section of the valve rod is provided with external threads, the top of the valve plate is connected with a valve rod nut, and the valve rod nut is in threaded connection with the external threads of the valve rod; when the valve plate is in a fully-opened state, the top of the valve plate is in contact with and in sealing fit with the top surface of the valve cover. The utility model discloses the structure is more reasonable, and when the upper end gland position of gate valve leaked, it can maintain to need not to cut off the water, easily promptly solves the terminal user proruption situation. Meanwhile, the structure of the gland part is more reasonable, and water leakage is not easy to occur.
Description
Technical Field
The utility model relates to a valve, concretely relates to novel soft sealing gate valve.
Background
The gate valve realizes the opening and closing of the valve through the opening and closing member flashboard, and the movement direction of the flashboard is vertical to the fluid direction. In the use process, once the upper end gland part of the existing gate valve leaks water, the existing gate valve needs to be immediately stopped for maintenance, and extremely bad influence is caused no matter on holidays or late nights. Meanwhile, the gland part of the existing gate valve is easy to leak water.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art existence, provide a novel soft sealing gate valve that need not to cut off the water and can maintain when more reasonable, the upper end gland position leaks of structure.
The utility model discloses a realize through following technical scheme: a novel soft seal gate valve comprises a valve body, a valve rod, a valve seat arranged in the valve body, a valve plate arranged on the valve seat, a valve cover arranged at the upper end of the valve body and a gland arranged at the upper end of the valve cover, wherein the valve rod sequentially penetrates through the gland and the valve cover from top to bottom to extend into the valve body, the lower half section of the valve rod is provided with external threads, the top of the valve plate is connected with a valve rod nut, and the valve rod nut is in threaded connection with the external threads of the valve rod; when the valve plate is in a fully-opened state, the top of the valve plate is in contact with and in sealing fit with the top surface of the valve cover.
The upper end of the valve plate is surrounded on the outer side of the valve rod nut.
The front side and the rear side of the valve plate are provided with a front reinforcing rib and a rear reinforcing rib along the shape of the outer edge of the valve plate.
The upper part of the valve rod is provided with an annular convex edge, the top of the valve cover is provided with an annular groove for accommodating the convex edge, a pressing ring is sleeved above the convex edge of the valve rod, the outer diameter of the pressing ring is larger than that of the convex edge, the top of the valve cover is provided with a valve cover pressing ring groove used for accommodating the lower half part of the pressing ring, a step is formed between the valve cover pressing ring groove and the annular groove, the pressing ring is positioned above the step, the lower part of the gland is provided with a gland pressing ring groove for accommodating the upper half part of the pressing ring, the pressing ring is positioned in a cavity formed by the valve cover pressing ring groove and the gland pressing ring groove, the pressing ring is in sealing fit with the valve rod through an O-shaped sealing ring, the pressing ring is in sealing fit with the valve cover through an O-shaped sealing ring, and the pressing ring is in sealing fit with the gland through the O-shaped sealing ring.
And a dustproof ring is arranged between the middle part of the top end of the gland and the valve rod.
An O-shaped sealing ring is arranged between the valve rod and the valve cover.
The gland is in sealing fit with the valve cover through a sealing ring.
The utility model has the advantages that: the utility model discloses the structure is more reasonable, and when the upper end gland position of gate valve leaked, it can maintain to need not to cut off the water, easily promptly solves the terminal user proruption situation. Meanwhile, the structure of the gland part is more reasonable, and water leakage is not easy to occur.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
In the figure: 1-pressing a cover; 2-valve cover; 3-pressing a ring; 4-a valve stem; 5-external thread; 6-convex edge; 7-valve stem nut; 8-a valve body; 9-valve seat; 10-a valve plate; 11-O type sealing ring; 12-a dust ring; 13-a sealing ring; 14-step.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a novel soft seal gate valve comprises a valve body 8, a valve rod 4, a valve seat 9 arranged in the valve body 8, a valve plate 10 arranged on the valve seat 9, a valve cover 2 arranged at the upper end of the valve body 8 and a gland 1 arranged at the upper end of the valve cover 2, wherein the valve rod 4 sequentially penetrates through the gland 1 and the valve cover 2 from top to bottom to extend into the valve body 8, the lower half section of the valve rod 4 is provided with an external thread 5, the top of the valve plate 10 is connected with a valve rod nut 7, and the valve rod nut 7 is in threaded connection with; when the valve plate 10 is in the fully opened state, the top of the valve plate 10 contacts and sealingly engages the top surface of the valve cover 2. Under the condition of not stopping water, an operator can disassemble the bolt, the gland 1 and the pressing ring 3 to replace and maintain the O-shaped sealing ring 11, so that the O-shaped sealing ring is more convenient and is easy to solve emergency situations of end users.
In the utility model, two reinforcing ribs are arranged on the front side and the rear side of the valve plate 10 along the shape of the outer edge of the valve plate 10, the valve plate 10 is wider, the unilateral pressure offset is small, the torsion is light, the static pressure test can realize bidirectional sealing, and the low pressure has no leakage; when the inner cavity is deformed, the inner cavity can be compensated. The left and right sides accessible of valve plate 10 sets up the nylon uide bushing, and protection valve plate 10 reduces the friction, reduces the offset of valve plate 10 under the single-pressure condition. Valve plate 10 upper end encloses and locates the 7 outsides of valve-stem nut, and valve plate 10 upper end adopts the mode of enclosing entirely and valve-stem nut 7 cooperation, and valve-stem nut 7 fixed stability is better.
The upper portion of valve rod 4 is provided with annular protruding edge 6, the top of valve gap 2 is provided with the ring channel that is used for holding this protruding edge 6, valve rod 4 overlaps in protruding top along 6 and is equipped with clamping ring 3, the external diameter of clamping ring 3 is greater than protruding external diameter along 6, the top of valve gap 2 is provided with the valve gap 2 clamping ring 3 groove that is used for holding the latter half of clamping ring 3, form step 14 between 3 grooves of valve gap 2 clamping ring and the ring channel, clamping ring 3 is located the top of this step 14, gland 1's lower part is provided with the 1 clamping ring 3 groove of gland that is used for holding clamping ring 3's first half, clamping ring 3 is located the cavity that 3 grooves of valve gap 2 clamping ring and 1 clamping ring 3 groove constitute, through O type sealing washer 11 sealing fit between clamping ring 3 and the valve rod 4, through O type sealing washer 11 sealing fit between clamping ring 3 and the valve gap 2, through O type sealing washer 11 sealing fit between clamping ring 3 and the. The structure solves the problem that the torsion overload causes the looseness of the pressing ring 3 when the actuator is used. Through setting up multichannel O type sealing washer 11, make the utility model discloses better leakproofness has.
A dustproof ring 12 is arranged between the middle part of the top end of the gland 1 and the valve rod 4, and corrosion of external oil stains is reduced. An O-shaped sealing ring 11 is arranged between the valve rod 4 and the valve cover 2. The gland 1 is in sealing fit with the valve cover 2 through a sealing ring 13. Valve rod 4 adopts the whole root of integral type to stew the pressure equipment and shape, and 4 intensity of valve rod are good, and valve rod 4 adopts double thread, and torsion is littleer.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a novel soft sealing gate valve, includes valve body, valve rod, sets up disk seat in the valve body, sets up in the valve plate of disk seat, sets up in the valve gap of valve body upper end and sets up in the gland of valve gap upper end, the valve rod passes from the top down in proper order the gland the valve gap stretches into in the valve body, its characterized in that: the lower half section of the valve rod is provided with external threads, the top of the valve plate is connected with a valve rod nut, and the valve rod nut is in threaded connection with the external threads of the valve rod; when the valve plate is in a fully-opened state, the top of the valve plate is in contact with and in sealing fit with the top surface of the valve cover.
2. The new soft seal gate valve of claim 1, wherein: the front side and the rear side of the valve plate are provided with a front reinforcing rib and a rear reinforcing rib along the shape of the outer edge of the valve plate.
3. The new soft seal gate valve of claim 2, wherein: the upper end of the valve plate is surrounded on the outer side of the valve rod nut.
4. The new soft seal gate valve of claim 3, wherein: the upper part of the valve rod is provided with an annular convex edge, the top of the valve cover is provided with an annular groove for accommodating the convex edge, a pressing ring is sleeved above the convex edge of the valve rod, the outer diameter of the pressing ring is larger than that of the convex edge, the top of the valve cover is provided with a valve cover pressing ring groove used for accommodating the lower half part of the pressing ring, a step is formed between the valve cover pressing ring groove and the annular groove, the pressing ring is positioned above the step, the lower part of the gland is provided with a gland pressing ring groove for accommodating the upper half part of the pressing ring, the pressing ring is positioned in a cavity formed by the valve cover pressing ring groove and the gland pressing ring groove, the pressing ring is in sealing fit with the valve rod through an O-shaped sealing ring, the pressing ring is in sealing fit with the valve cover through an O-shaped sealing ring, and the pressing ring is in sealing fit with the gland through the O-shaped sealing ring.
5. The new soft seal gate valve of claim 4, wherein: and a dustproof ring is arranged between the middle part of the top end of the gland and the valve rod.
6. The new soft seal gate valve of claim 5, wherein: an O-shaped sealing ring is arranged between the valve rod and the valve cover.
7. The new soft seal gate valve of claim 6, wherein: the gland is in sealing fit with the valve cover through a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149678.3U CN212455561U (en) | 2020-06-19 | 2020-06-19 | Soft sealing sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149678.3U CN212455561U (en) | 2020-06-19 | 2020-06-19 | Soft sealing sluice valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455561U true CN212455561U (en) | 2021-02-02 |
Family
ID=74470584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021149678.3U Active CN212455561U (en) | 2020-06-19 | 2020-06-19 | Soft sealing sluice valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455561U (en) |
-
2020
- 2020-06-19 CN CN202021149678.3U patent/CN212455561U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |