CN214617927U - Top-arranged flow guide hole type blind rod flat gate valve - Google Patents
Top-arranged flow guide hole type blind rod flat gate valve Download PDFInfo
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- CN214617927U CN214617927U CN202120743280.0U CN202120743280U CN214617927U CN 214617927 U CN214617927 U CN 214617927U CN 202120743280 U CN202120743280 U CN 202120743280U CN 214617927 U CN214617927 U CN 214617927U
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Abstract
The utility model discloses an overhead guide hole type non-rising stem flat gate valve, which belongs to the field of gate valves, and comprises a gate plate, wherein the interior of the gate plate is provided with a guide hole, the inner cavity of the guide hole is provided with a sealing blind plate, the interior of the gate plate is provided with a valve rod lifting hole, the valve rod lifting hole is communicated with the guide hole, one end of the gate plate is provided with a valve rod nut, the inner wall of the valve rod nut is provided with a valve rod, the outer periphery of the valve rod is provided with a valve cover, the lower end of the valve cover is provided with a valve body, the bottom surface of the valve body is provided with a valve seat, the outer periphery of the valve seat is provided with a valve body pipeline, the inner wall of the valve body pipeline is provided with a clamping groove, the inner cavity of the valve body pipeline is provided with a second filter screen, the two sides of the second filter screen are provided with first filter screens, the two ends of the first filter screens are embedded in the clamping groove inner cavity, so that the long-distance boring hole of the gate plate is not easy to damage to the whole structure of the gate plate, the whole mechanical property can be improved, and the defect that the thickness of the raw material is increased due to the thin wall of the through hole is reduced.
Description
Technical Field
The utility model relates to a gate valve field, more specifically say, relate to overhead water conservancy diversion cellular type dark pole plate valve.
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.
The sealing surface of the flat gate valve with the flow guide type non-rising stem is a parallel type and has small operating torque; the flow resistance of the straight-through flow channel is small; the flashboard and the sealing surface of the valve seat are always tightly attached and do not generate front contact with a medium, and the sealing is stable; the hidden rod type valve rod has the advantages that the rising operation space of the valve rod is not required to be reserved, and the hidden rod type valve rod is widely used in pipelines in petrochemical industry and natural gas industry.
The difficulty in gate valve production focuses on the fact that holes close to twice the diameter distance of a channel need to be bored, high requirements are placed on equipment, technology and personnel capacity, long-distance boring of the gate plate damages the whole structure of the gate plate, the whole mechanical performance is reduced, and various defects that the thickness of raw materials is increased for preventing thin walls of through holes are overcome.
Disclosure of Invention
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an overhead water conservancy diversion cellular type dark pole plate valve can realize that the flashboard is long apart from the boring hole to the difficult destruction that causes of flashboard overall structure, and holistic mechanical properties can improve, reduces the through-hole thin wall and increases the shortcoming of raw and other materials thickness.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The upper flow guide hole type non-rising stem flat gate valve comprises a gate plate, wherein flow guide holes are formed in the gate plate, a sealing blind plate is arranged in an inner cavity of each flow guide hole, a valve rod lifting hole is formed in the gate plate, the valve rod lifting hole is communicated with the flow guide holes, a valve rod nut is arranged at one end of the gate plate, a valve rod is arranged on the inner wall of the valve rod nut, a valve cover is arranged on the outer circumferential surface of the valve rod, a valve body is installed at the lower end of the valve cover, a valve seat is installed on the bottom surface of the valve body, a valve body pipeline is arranged on the outer circumferential surface of the valve seat, a clamping groove is formed in the inner wall of the valve body pipeline, a second filter screen is arranged in the inner cavity of the valve body pipeline, first filter screens are arranged on two sides of the second filter screen, two ends of the first filter screens are embedded in the clamping groove inner cavity, and the long-distance boring holes of the gate plate are not prone to damage to the whole structure of the gate plate, the whole mechanical property can be improved, and the defect that the thickness of the raw material is increased due to the thin wall of the through hole is reduced.
Further, the water conservancy diversion hole has been seted up to the flashboard top, sealed blind plate sets up in the flashboard below, valve rod lifting hole length only is original 10%, has reduced the processing degree of difficulty, practices thrift raw and other materials.
Further, the screw thread of valve rod and valve-stem nut revolves to being the dextrorotation, accords with original clockwise drive valve rod for closing the valve, for the operation habit of opening the valve, the operation of being convenient for when anticlockwise driving valve rod.
Furthermore, the flashboard is a member made of an ultrathin steel plate material, the integrity of the flashboard is not easy to damage, the integral mechanical performance is not easy to reduce, and the material cost is reduced.
Further, the aperture of first filter screen is greater than the aperture of second filter screen, first filter screen and second filter screen adopt stainless steel material to make, make impurity can adsorb on the second filter screen, when taking out first filter screen, the inner wall of difficult friction valve body pipeline, impurity drops in the valve body pipeline.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can realize that the flashboard long-distance bore hole is difficult for causing destruction to flashboard overall structure, and holistic mechanical properties can improve, reduces the through-hole thin wall and increases raw and other materials thickness's shortcoming.
(2) The water conservancy diversion hole has been seted up to the flashboard top, and sealed blind plate sets up in the flashboard below, and valve rod lifting hole length only is original 10%, has reduced the processing degree of difficulty, practices thrift raw and other materials.
(3) The screw thread of valve rod and valve-stem nut revolves to for the dextrorotation, accords with original clockwise drive valve rod and is for closing the valve, for the operation custom of opening the valve, the operation of being convenient for when anticlockwise driving the valve rod.
(4) The flashboard is a component made of ultrathin steel plate materials, the integrity of the flashboard is not easy to damage, the integral mechanical performance is not easy to reduce, and the material cost is reduced.
(5) The aperture of first filter screen is greater than the aperture of second filter screen, and first filter screen and second filter screen adopt stainless steel material to make, make impurity can adsorb on the second filter screen, when taking out first filter screen, the inner wall of valve body pipeline is difficult for rubbing, and impurity drops in the valve body pipeline.
Drawings
Fig. 1 is a schematic structural view of the valve assembly of the present invention;
fig. 2 is a schematic structural view of the internal moving mechanism of the present invention;
fig. 3 is a schematic structural diagram of the moving mechanism of the present invention.
The reference numbers in the figures illustrate:
1 flashboard, 2 sealed blind plates, 3 water conservancy diversion holes, 4 valve rod lifting hole, 5 valve-stem nut, 6 valve rods, 7 valve gap, 8 valve bodies, 9 disk seats, 10 valve body pipelines, 11 draw-in grooves, 12 first filter screens, 13 second filter screens.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, the upper flow guide hole type blind-stem flat gate valve comprises a gate plate 1, a flow guide hole 3 is formed in the gate plate 1, a sealing blind plate 2 is arranged in an inner cavity of the flow guide hole 3, a valve stem lifting hole 4 is formed in the gate plate 1, the valve stem lifting hole 4 is communicated with the flow guide hole 3, a valve stem nut 5 is arranged at one end of the gate plate 1, a valve stem 6 is arranged on an inner wall of the valve stem nut 5, a valve cover 7 is arranged on an outer circumferential surface of the valve stem 6, a valve body 8 is arranged at a lower end of the valve cover 7, a valve seat 9 is arranged on a bottom surface of the valve body 8, a valve body pipeline 10 is arranged on an outer circumferential surface of the valve seat 9, a clamping groove 11 is formed in an inner wall of the valve body pipeline 10, a second filter screen 13 is arranged in an inner cavity of the valve body pipeline 10, first filter screens 12 are arranged on two sides of the second filter screen 13, and two ends of the first filter screen 12 are embedded in an inner cavity of the clamping groove 11, so that the long-distance bored hole of the gate plate is not easy to damage to the whole structure, the whole mechanical property can be improved, and the defect that the thickness of the raw material is increased due to the thin wall of the through hole is reduced.
Referring to fig. 2, a diversion hole 3 is formed above the gate plate 1, the sealing blind plate 2 is arranged below the gate plate 1, the length of the valve rod lifting hole 4 is only 10% of the original length, the processing difficulty is reduced, raw materials are saved, the thread turning direction of the valve rod 6 and the valve rod nut 5 is right-handed, the valve rod is driven clockwise to close the valve, and the valve rod is driven anticlockwise to open the valve, so that the operation is convenient.
Referring to fig. 2 and 3, the gate plate 1 is a member made of an ultra-thin steel plate, the integrity of the gate plate 1 is not easily damaged, the mechanical performance of the whole is not easily reduced, and the material cost is reduced, the aperture of the first filter 12 is larger than that of the second filter 13, the first filter 12 and the second filter 13 are made of stainless steel, so that impurities can be adsorbed on the second filter 13, when the first filter 12 is taken out, the inner wall of the valve body pipeline 10 is not easily rubbed, and the impurities fall into the valve body pipeline 10.
When an operator uses the utility model, the position of the diversion hole 3 is changed to enable the flashboard 1 to move upwards to close the valve, and the flashboard 1 to move downwards to open the valve, when the valve is closed, the external force driving valve rod 6 rotates to drive the flashboard 1 to move upwards through the screw transmission, the position of the valve rod 6 is unchanged, the lower end of the valve rod 6 enters the diversion hole 3 through the shorter lifting hole of the valve, when the runner is completely cut off at the sealing blind plate 2 position below the flashboard 1, the valve is completely closed, at the moment, the lower end of the valve rod 6 is suspended in the diversion hole 3, when the valve is opened, the external force driving valve rod 6 rotates to drive the flashboard 1 to move downwards through the screw transmission, the position of the valve rod 6 is unchanged, the diversion hole 3 and the runner circumference are completely opened, at the moment, the lower end of the valve rod 6 is suspended in the diversion hole 4 of the flashboard 1, the normal circulation of pipeline media is not influenced, when impurities flow in the valve body pipeline 10, the impurities flow through the first filter screen 12, adsorb on second filter screen 13, take out first filter screen 12 after one section, clear up second filter screen 13, compare with prior art, the utility model discloses can realize that the long-range bore hole of flashboard is difficult for causing destruction to flashboard overall structure, holistic mechanical properties can improve, reduces the through-hole thin wall and increases raw and other materials thickness's shortcoming.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. Overhead water conservancy diversion cellular type non-rising stem plate valve, including flashboard (1), its characterized in that: the water-saving valve is characterized in that a flow guide hole (3) is formed in the gate plate (1), a sealing blind plate (2) is arranged in an inner cavity of the flow guide hole (3), a valve rod lifting hole (4) is formed in the gate plate (1), the valve rod lifting hole (4) is communicated with the flow guide hole (3), a valve body (8) is installed at the lower end of the valve rod lifting hole (4), a valve rod nut (5) is arranged at one end of the gate plate (1), a valve rod (6) is arranged on the inner wall of the valve rod nut (5), a valve cover (7) is arranged on the outer circumferential surface of the valve rod (6), a valve body (8) is installed at the lower end of the valve cover (7), a valve seat (9) is installed on the bottom surface of the valve body (8), a valve body pipeline (10) is arranged on the outer circumferential surface of the valve seat (9), a clamping groove (11) is formed in the inner wall of the valve body pipeline (10), a second filter screen (13) is arranged on two sides of the second filter screen (13) and is provided with a first filter screen (12), the two ends of the first filter screen (12) are embedded in the inner cavity of the clamping groove (11).
2. The inside diameter blind stem plate gate valve with overhead guide holes according to claim 1, wherein: the water conservancy diversion hole (3) has been seted up to flashboard (1) top, sealed blind plate (2) set up in flashboard (1) below, valve rod lift hole (4) length is only 10% original.
3. The inside diameter blind stem plate gate valve with overhead guide holes according to claim 1, wherein: the screw thread turning direction of the valve rod (6) and the valve rod nut (5) is right-handed.
4. The inside diameter blind stem plate gate valve with overhead guide holes according to claim 1, wherein: the flashboard (1) is a component made of an ultrathin steel plate material.
5. The inside diameter blind stem plate gate valve with overhead guide holes according to claim 1, wherein: the aperture of first filter screen (12) is greater than the aperture of second filter screen (13), first filter screen (12) and second filter screen (13) adopt stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120743280.0U CN214617927U (en) | 2021-04-13 | 2021-04-13 | Top-arranged flow guide hole type blind rod flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120743280.0U CN214617927U (en) | 2021-04-13 | 2021-04-13 | Top-arranged flow guide hole type blind rod flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214617927U true CN214617927U (en) | 2021-11-05 |
Family
ID=78401512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120743280.0U Active CN214617927U (en) | 2021-04-13 | 2021-04-13 | Top-arranged flow guide hole type blind rod flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214617927U (en) |
-
2021
- 2021-04-13 CN CN202120743280.0U patent/CN214617927U/en active Active
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