CN211501699U - Gate valve - Google Patents
Gate valve Download PDFInfo
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- CN211501699U CN211501699U CN201922166017.5U CN201922166017U CN211501699U CN 211501699 U CN211501699 U CN 211501699U CN 201922166017 U CN201922166017 U CN 201922166017U CN 211501699 U CN211501699 U CN 211501699U
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- valve
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- side valve
- hole
- valve plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a gate valve, which comprises a tank body, two side valve bodies symmetrically arranged on the tank body and communicated with the tank body, a valve plate inserted in a valve plate mounting space in a manner of moving up and down, and a driving mechanism arranged between the tank body and the valve plate and used for driving the valve plate to move so as to enable a through hole to be right opposite to the side valve body or to enable the through hole to be completely staggered with the side valve body, wherein a gap is reserved between the two side valve bodies to form a valve plate mounting space; the valve plate is provided with a through hole; when the through hole is opposite to the side valve body, the two side valve bodies are communicated through the through hole, and when the through hole and the side valve bodies are completely staggered, the two side valve bodies are blocked by the valve plate. The utility model discloses a mode that the side valve body is connected with the jar body is conveniently connected, has also removed the trouble of valve body in the processing from to the cost of gate valve has been reduced.
Description
Technical Field
The utility model relates to a gate valve.
Background
The existing gate valve generally has a middle valve body and two side valve bodies, the middle valve body is troublesome to process, and the connection process of the middle valve body and the side valve bodies is relatively complex, which undoubtedly increases the cost of the gate valve.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a gate valve, it adopts the mode that the side valve body is connected with the jar body, conveniently connects, has also removed the trouble of valve body in the processing from to the cost of gate valve has been reduced.
In order to solve the technical problem, the technical scheme of the utility model is that: a gate valve, comprising:
a tank body;
the two side valve bodies are symmetrically arranged on the tank body and communicated with the tank body, and a gap is reserved between the two side valve bodies to form a valve plate mounting space;
the valve plate can be inserted in the valve plate mounting space in an up-and-down moving manner, and is provided with a through hole;
the driving mechanism is arranged between the tank body and the valve plate and is used for driving the valve plate to move so that the through hole is opposite to the side valve body or the through hole and the side valve body are completely staggered; wherein,
when the through hole is right opposite to the side valve body, the two side valve bodies are communicated through the through hole, and when the through hole and the side valve bodies are completely staggered, the two side valve bodies are blocked by the valve plate.
Further, at least a portion of the side valve body extends into the tank body.
Further in order to facilitate the installation of the side valve body on the tank body, an upper fixed plate and a lower fixed plate are fixed in the tank body, the upper end part of the near valve plate end of the side valve body is fixedly connected with the upper fixed plate, the lower end part of the near valve plate end of the side valve body is fixedly connected with the lower fixed plate, and avoidance spaces for avoiding the valve plate are respectively arranged on the upper fixed plate and the lower fixed plate.
Further to prevent leakage, the end of the side valve body near the valve plate is hermetically provided with an annular sealing member for sealing contact with the valve plate, and the inner diameter of the annular sealing member is not less than that of the through hole.
Further, the valve plate end that is close to of side valve body is provided with the installation cavity, the ring packing clamps in the installation cavity, just be provided with at least one O type circle between the periphery wall of ring packing and the installation cavity.
The specific structure of the driving mechanism is further provided, the driving mechanism comprises a screw rod, a nut block and a rotary driving piece, the screw rod is rotatably supported on the tank body, the nut block is in threaded connection with the screw rod, the valve plate is fixed on the nut block, and the rotary driving piece is connected with the screw rod to drive the screw rod to rotate.
Further, in order to prevent the pressure in the valve body on the rear side after the gate valve is closed from being too high, each valve body on the side is communicated with a relief pipe, and the relief pipe is provided with a relief valve.
Further in order to facilitate the connection of the side valve body and an external pipeline, the far valve plate end of the side valve body is provided with a steel-plastic conversion part, the steel-plastic conversion part comprises a PE pipe and a sheath, the outer surface of the end part, far away from the valve plate, of the side valve body is provided with a tooth-shaped structure to serve as a sleeve interface part, at least one part of the PE pipe is sleeved on the sleeve interface part, and the sheath is sleeved on the outer peripheral wall of the sleeve interface part of the PE pipe.
Further, in order to prevent the pressure in the part of the tank body below the lower fixing plate from being too high, the part of the tank body below the lower fixing plate is communicated with a diffusion pipe.
Further in order to facilitate the fixation of the gate valve on the external fixing piece, a mounting plate is fixed at the lower end part of the tank body, and a mounting hole is formed in the mounting plate.
After the technical scheme is adopted, when the gate valve needs to be opened, the valve plate is driven to ascend through the driving mechanism, so that the through hole in the valve plate is over against the two side valve bodies, the two side valve bodies are communicated through the through hole, the gate valve is successfully opened, liquid flowing into one side valve body enters the other side valve body through the through hole and flows out, when the gate valve needs to be closed, the valve plate is driven to descend through the driving mechanism, so that the through hole in the gate plate is completely staggered with the side valve bodies, the gate valve is successfully closed by blocking the two side valve bodies through the gate plate, the tank body is common equipment, is easy to prepare, avoids the trouble of processing the middle valve body, is conveniently connected with the side valve bodies, and further greatly reduces the cost of the gate valve; no matter the utility model provides a gate valve is in open mode or closed condition, the valve plate all the time with annular seal spare sealing contact, and then can effectively avoid leaking.
Drawings
Fig. 1 is a schematic structural view of the gate valve of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a sectional view a-a of fig. 2.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, 2 and 3, a gate valve comprises:
a tank body 1;
two side valve bodies 2 which are symmetrically arranged on the tank body 1 and communicated with the tank body 1, wherein a gap is reserved between the two side valve bodies 2 to form a valve plate mounting space;
the valve plate 3 can be inserted in the valve plate mounting space in an up-and-down moving manner, and a through hole is formed in the valve plate 3;
the driving mechanism is arranged between the tank body 1 and the valve plate 3 and is used for driving the valve plate 3 to move so that the through hole is opposite to the side valve body 2 or the through hole and the side valve body 2 are completely staggered; wherein,
when the through-hole just offside valve body 2, two side valve bodies 2 are linked together through the through-hole, and when the through-hole staggers completely with side valve body 2, two side valve bodies 2 are blocked by valve plate 3.
Specifically, when the gate valve is opened to needs, it rises through actuating mechanism drive valve plate 3 for through-hole on the valve plate 3 is just to two side valve bodies 2, be linked together through the through-hole between two side valve bodies 2, then successfully open the gate valve, the liquid that flows into in one side valve body 2 flows out in getting into another side valve body 2 through the through-hole, when the gate valve is closed to needs, through actuating mechanism drive valve plate 3 descends, make through-hole and side valve body 2 on the flashboard 3 stagger completely, block through flashboard 3 between two side valve bodies 2, then successfully close the gate valve, the utility model discloses a jar body 1 replaces traditional well valve body, and jar body 1 is equipment commonly used, and easy preparation has removed the trouble of valve body in the processing from, and jar body 1 also conveniently is connected with side valve body 2, and then greatly reduced the cost of gate valve.
As shown in fig. 3, at least a part of the side valve body 2 protrudes into the can body 1.
As shown in fig. 3, in order to facilitate the installation of the side valve body 2 on the tank body 1, an upper fixing plate 4 and a lower fixing plate 5 are fixed in the tank body 1, an upper end portion of the side valve body 2 near the valve plate end is fixedly connected with the upper fixing plate 4, a lower end portion of the side valve body 2 near the valve plate end is fixedly connected with the lower fixing plate 5, and the upper fixing plate 4 and the lower fixing plate 5 are respectively provided with an avoidance space for avoiding the valve plate 3.
Specifically, the inner space of the tank body 1 is relatively large, and the side valve body 2 is installed between the upper fixing plate 4 and the lower fixing plate 5 in a simple manner.
As shown in fig. 3, in order to prevent leakage, the proximal valve plate end of the side valve body 2 is sealingly mounted with an annular seal 6 for sealing contact with the valve plate 3, the inner diameter of the annular seal 6 being not smaller than that of the through hole.
Specifically, no matter the gate valve is in an open state or a closed state, the valve plate 3 is always in sealing contact with the annular seal member 6, and leakage can be effectively avoided.
As shown in fig. 3, a mounting cavity is arranged at the end, close to the valve plate, of the side valve body 2, the annular sealing member 6 is clamped in the mounting cavity, and at least one O-ring 7 is arranged between the peripheral wall of the annular sealing member 6 and the mounting cavity.
As shown in fig. 1, 2 and 3, the driving mechanism includes a screw 81, a nut block 82 and a rotary driving member 83, the screw 81 is rotatably supported on the tank 1, the nut block 82 is screwed with the screw 81, the valve plate 3 is fixed on the nut block 82, and the rotary driving member 83 is connected with the screw 81 to drive the screw 81 to rotate.
As shown in fig. 1 and 3, in order to prevent the pressure inside the valve body 2 from becoming too high after the gate valve is closed, a bleed pipe 91 is connected to each valve body 2, and a bleed valve 9 is mounted on the bleed pipe 91.
As shown in fig. 1, 2 and 3, in order to facilitate the connection of the side valve body 2 and the external pipeline, the far valve plate end of the side valve body 2 is provided with a steel-plastic conversion portion 21, the steel-plastic conversion portion 21 includes a PE pipe and a sheath, the outer surface of the end of the side valve body 2 far from the valve plate 3 is provided with a tooth-shaped structure as a sleeve interface portion, at least a part of the PE pipe is sleeved on the sleeve interface portion, and the sheath is sleeved on the outer peripheral wall of the sleeve interface portion.
As shown in fig. 1, in order to prevent the pressure in the portion of the tank 1 below the lower fixing plate 5 from being too high, a discharge pipe 91 is communicated with the portion of the tank 1 below the lower fixing plate 5.
As shown in fig. 1 and 3, in order to facilitate the fixation of the gate valve to the external fixture, an attachment plate 10 is fixed to the lower end portion of the tank 1, and the attachment plate 10 is provided with an attachment hole.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A gate valve is characterized in that a gate valve body is provided with a gate valve body,
it includes:
a tank body (1);
the two side valve bodies (2) are symmetrically arranged on the tank body (1) and are communicated with the tank body (1), and a gap is reserved between the two side valve bodies (2) to form a valve plate mounting space;
the valve plate (3) can be inserted in the valve plate mounting space in an up-and-down moving manner, and a through hole is formed in the valve plate (3);
the driving mechanism is arranged between the tank body (1) and the valve plate (3) and is used for driving the valve plate (3) to move so that the through hole is opposite to the side valve body (2) or the through hole and the side valve body (2) are completely staggered; wherein,
when the through hole just offside valve body (2), two side valve body (2) are linked together through the through hole, and when the through hole staggers completely with side valve body (2), two side valve body (2) are blocked by valve plate (3).
2. The gate valve of claim 1,
at least one part of the side valve body (2) extends into the tank body (1).
3. The gate valve of claim 2,
the utility model discloses a valve plate, including jar body (1), the nearly valve plate end of side valve body (2) is equipped with upper fixed plate (4) and bottom plate (5), the upper end and upper fixed plate (4) fixed connection of the nearly valve plate end of jar body (1), the lower tip and bottom plate (5) fixed connection of the nearly valve plate end of side valve body (2), be provided with the space of dodging that is used for dodging valve plate (3) on upper fixed plate (4) and bottom plate (5) respectively.
4. The gate valve of claim 2,
the valve plate closing end of the side valve body (2) is provided with an annular sealing element (6) which is in sealing contact with the valve plate (3), and the inner diameter of the annular sealing element (6) is not smaller than that of the through hole.
5. Gate valve according to claim 4,
the valve plate end of the side valve body (2) is provided with an installation cavity, the annular sealing element (6) is clamped in the installation cavity, and at least one O-shaped ring (7) is arranged between the peripheral wall of the annular sealing element (6) and the installation cavity.
6. The gate valve of claim 1,
the driving mechanism comprises a screw rod (81), a nut block (82) and a rotary driving piece (83), the screw rod (81) is rotatably supported on the tank body (1), the nut block (82) is in threaded connection with the screw rod (81), the valve plate (3) is fixed on the nut block (82), and the rotary driving piece (83) is connected with the screw rod (81) to drive the screw rod (81) to rotate.
7. The gate valve of claim 1,
each side valve body (2) is communicated with a bleeding pipe (91), and a bleeding valve (92) is installed on the bleeding pipe (91).
8. The gate valve of claim 1,
the far-end valve plate end of side valve body (2) is provided with steel and moulds conversion part (21), steel is moulded conversion part (21) and is included PE pipe and sheath, the surface of the tip of keeping away from valve plate (3) of side valve body (2) is provided with the profile of tooth structure in order to be regarded as cover interface portion, at least partly suit of PE pipe is on cover interface portion, the sheath suit is on the periphery wall of the partial cover interface portion of PE pipe.
9. A gate valve according to claim 3,
the part of the tank body (1) below the lower fixing plate (5) is communicated with a diffusing pipe (91).
10. The gate valve of claim 1,
the lower tip of the jar body (1) is fixed with mounting panel (10), be provided with the mounting hole on mounting panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166017.5U CN211501699U (en) | 2019-12-05 | 2019-12-05 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166017.5U CN211501699U (en) | 2019-12-05 | 2019-12-05 | Gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501699U true CN211501699U (en) | 2020-09-15 |
Family
ID=72413765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166017.5U Active CN211501699U (en) | 2019-12-05 | 2019-12-05 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792793A (en) * | 2019-12-05 | 2020-02-14 | 良正阀门有限公司 | Gate valve |
-
2019
- 2019-12-05 CN CN201922166017.5U patent/CN211501699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792793A (en) * | 2019-12-05 | 2020-02-14 | 良正阀门有限公司 | Gate valve |
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