CN211231653U - High-pressure gate valve sealing device - Google Patents
High-pressure gate valve sealing device Download PDFInfo
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- CN211231653U CN211231653U CN201922288996.1U CN201922288996U CN211231653U CN 211231653 U CN211231653 U CN 211231653U CN 201922288996 U CN201922288996 U CN 201922288996U CN 211231653 U CN211231653 U CN 211231653U
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- gate valve
- valve
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- valve body
- sealing device
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Abstract
The utility model discloses a high-pressure gate valve sealing device, which comprises an outer valve body, a threaded column and a rod for opening and closing; a sealing groove is formed in the bottom side of the inner part of the outer valve body, a control outer cylinder is inserted into the upper side of the outer valve body in a penetrating mode, and the sealing groove is located right below the control outer cylinder; the upside of the middle part threaded connection of screw thread post at urceolus for control, the upper end fixedly connected with carousel of screw thread post, the lower extreme of screw thread post rotates the upside of connecting at the roof, the downside left and right ends of roof all articulates through the hinge has the rotation valve plate, and two one side fixedly connected with seal membranes that rotate the valve plate and keep away from each other shift up and descend through rotating the screw thread post messenger rotation valve plate. This high pressure gate valve sealing device, the leakproofness of multiplicable gate valve reduces the friction of valve plate and valve body when the switch gate valve, improves the life of gate valve internals, rotates the valve plate when the switch gate valve, and is more laborsaving when the switch gate valve, and the leakproofness is stronger.
Description
Technical Field
The utility model relates to a high-pressure gate valve technical field specifically is a high-pressure gate valve sealing device.
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. The gate valve is sealed by the contact of the valve seat and the gate plate, and a sealing surface is usually welded with metal materials to increase the wear resistance, such as 1Cr13, STL6, stainless steel and the like, however, the conventional gate valve has some disadvantages in use, for example, the conventional high pressure gate valve has a high internal pressure, when in use, the internal medium is easy to be drawn out from the connection part of the gate valve, which causes medium leakage, thus the use effect is poor, and the flashboard is tightly extruded on the valve seat of the valve body in the opening and closing process of the gate valve, after the valve plate moves up and down in a reciprocating manner, the valve seat or the valve plate is easy to be worn, the sealing performance of the gate valve is reduced, and the gate valve can not be used continuously, thereby shortening the service life of the gate valve, limiting the application of the gate valve, in view of the design provided in the comparative application No. 201810056448.3, the design can increase the sealing performance of the high-pressure gate valve, but the gate valve is opened and closed in a labor-consuming manner and is seriously worn.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a high pressure gate valve sealing device, at first the leakproofness of multiplicable gate valve reduces the friction of valve plate and valve body when the switch gate valve, improves the life of gate valve internals, rotates the valve plate when the switch gate valve, and is more laborsaving when the switch gate valve, and the leakproofness is stronger, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure gate valve sealing device comprises an outer valve body, a threaded column and a rod for opening and closing;
an outer valve body: a sealing groove is formed in the bottom side of the inner part of the outer valve body, a control outer cylinder is inserted into the upper side of the outer valve body in a penetrating mode, and the sealing groove is located right below the control outer cylinder;
a threaded column: the middle part of the threaded column is in threaded connection with the upper side of the outer control cylinder, the upper end of the threaded column is fixedly connected with a rotary table, the lower end of the threaded column is rotatably connected with the upper side of the top plate, the left end and the right end of the lower side of the top plate are hinged with rotary valve plates through hinges, one sides, far away from each other, of the two rotary valve plates are fixedly connected with sealing films, the rotary valve plates move upwards and downwards through the rotation of the threaded column, the opening and the closing of the gate valve are further controlled, and the sealing films are abutted in the sealing grooves to;
opening and closing lever: the lower end of the rod for opening and closing vertically movably penetrates through the center of the rotary table, the center of the threaded column and the center of the top plate, the bottom end of the rod for opening and closing is fixedly connected to the upper side of the pull-down frame, the front side and the rear side of the interior of the pull-down frame are fixedly connected with center shafts, the center shafts are respectively rotatably connected to the upper ends of the two intermediate ejector rods, the lower ends of the two intermediate ejector rods are respectively hinged to one side, close to each other, of the two rotary valve plates through hinges, when the rotary valve plates move downwards, the lower ends of the two rotary valve plates are mutually closed, water is saved more easily, the rotary valve plates are pressed downwards in a water inclined mode, water is saved more firmly, when the rotary valve plates move upwards, the impact force of the water can be utilized to obliquely push the rotary valve plates upwards, the rotary valve plates can move upwards more conveniently, the.
Furthermore, the upper ends of the two sealing films, which are far away from each other, are provided with an encryption groove, and the gap between the outer cylinder for control and the rotary valve plate can be sealed through the encryption groove.
Further, still including the handle, the downside fixed connection of handle is in the upper end of pole for the switching, conveniently controls the rotation of rotating the valve plate through the handle.
Further, still including backplate and restriction prevent moving the pole, the lower extreme fixed connection of backplate is in the upper side rear end of urceolus for the control, the activity interlude has the restriction to prevent moving the pole around the front side upper end of backplate, the restriction prevents moving the front end activity of pole and alternates in the handle, prevents moving the pole through the restriction and prevents moving the pole to move up for the switching when closing the gate valve.
Furthermore, still including crossing water and using the piece, cross water and use piece fixed connection in the inside left and right ends four corners of outer valve body, reduce the resistance in the inside four corners of outer valve body that water received through crossing water and using the piece.
Compared with the prior art, the beneficial effects of the utility model are that: this high pressure gate valve sealing device has following benefit:
1. make the rotation valve plate shift up and descend through rotating the screw post, and then control opening and closing of gate valve, utilize the seal membrane to support and seal the gate valve with the inslot for sealing, when the rotation valve plate moves down, the lower extreme of two rotation valve plates draws close each other, it is easier to make the water conservation, and water slant pushes down the rotation valve plate, it is more firm to make the water conservation, when the rotation valve plate moves up, can utilize the impulsive force slant top of water to rotate the valve plate, it is more convenient to make the rotation valve plate shift up, and shift up with outer valve body contact still less when moving the valve plate, the friction has been reduced, and part life is prolonged.
2. Can seal the gap between urceolus and the rotation valve plate for the control through the encryption groove, conveniently control the rotation of rotating the valve plate through the handle, prevent moving the pole through the restriction and prevent moving on the pole for the switching when closing the gate valve, reduce the resistance in the inside four corners of outer valve body that water received through crossing water with the piece.
3. This high pressure gate valve sealing device, at first the leakproofness of multiplicable gate valve reduces the friction of valve plate and valve body when the switch gate valve, improves the life of gate valve internals, rotates the valve plate when the switch gate valve, and is more laborsaving when the switch gate valve, and the leakproofness is stronger.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a handle 1, an opening and closing rod 2, a threaded column 3, a back plate 4, an outer control cylinder 5, an outer valve body 6, a sealing film 7, a rotary valve plate 8, a central shaft 9, an intermediate ejector rod 10, a pull-down frame 11, a water passing block 12, a top plate 13, a rotating disc 14 and a limiting anti-moving rod 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a high-pressure gate valve sealing device comprises an outer valve body 6, a threaded column 3 and a rod 2 for opening and closing;
the outer valve body 6: the bottom side of the inside of the outer valve body 6 is provided with a sealing groove, the upper side of the outer valve body 6 is inserted with a control outer cylinder 5, the sealing groove is positioned under the control outer cylinder 5, the sealing groove also comprises a back plate 4 and a limiting anti-moving rod 15, the lower end of the back plate 4 is fixedly connected to the rear end of the upper side of the control outer cylinder 5, the limiting anti-moving rod 15 is movably inserted in the front and back of the upper end of the front side of the back plate 4, the front end of the limiting anti-moving rod 15 is movably inserted in the handle 1, the limiting anti-moving rod 15 prevents the opening and closing rod 2 from moving upwards when the gate valve is closed, the sealing groove also comprises a water passing block 12, the water passing block 12 is fixedly connected to the four corners of the left end and the right end inside the outer valve body 6, and the resistance;
the threaded column 3: the middle part of the threaded column 3 is in threaded connection with the upper side of the outer control cylinder 5, the upper end of the threaded column 3 is fixedly connected with a rotary table 14, the lower end of the threaded column 3 is rotatably connected with the upper side of a top plate 13, the left end and the right end of the lower side of the top plate 13 are hinged with rotary valve plates 8 through hinges, one sides, far away from each other, of the two rotary valve plates 8 are fixedly connected with sealing films 7, the rotary valve plates 8 move upwards and descend through the rotation of the threaded column 3, opening and closing of the gate valve are further controlled, the gate valve is sealed by abutting the sealing films 7 in a sealing groove, the upper ends, far away from each other, of the two sealing films 7 are provided with a thickening groove, and gaps between the outer control;
opening/closing lever 2: the lower end of the opening and closing rod 2 vertically moves to penetrate through the center of the rotary table 14, the center of the threaded column 3 and the center of the top plate 13, the bottom end of the opening and closing rod 2 is fixedly connected to the upper side of the lower pull frame 11, the front side and the rear side of the interior of the lower pull frame 11 are fixedly connected with the central shaft 9, the central shaft 9 is respectively and rotatably connected to the upper ends of the two intermediate ejector rods 10, the lower ends of the two intermediate ejector rods 10 are respectively hinged to one side of the two rotary valve plates 8 close to each other through hinges, when the rotary valve plates 8 move downwards, the lower ends of the two rotary valve plates 8 are mutually closed, water is saved more easily, the water obliquely downwards presses the rotary valve plates 8, water is saved more firmly, when the rotary valve plates 8 move upwards, the impact force of the water is utilized to obliquely upwards push the rotary valve plates 8 upwards, the rotary valve plates 8 move upwards more conveniently, and the rotary valve plates 8 are less in, still including handle 1, the downside fixed connection of handle 1 is in the upper end of pole 2 for the switching, conveniently controls the rotation of rotating valve plate 8 through handle 1.
When in use: when the gate valve needs to be closed, the limiting anti-moving rod 15 is pulled backwards, the lifting handle 1 is not blocked any more, the rotary table 14 is rotated, the rotary table 14 drives the threaded column 3 to rotate, the threaded column 3 drives the top plate 13 to move downwards, the top plate 13 drives the rotary valve plate 8 to move downwards, meanwhile, the lifting handle 1 is pressed downwards, the lifting handle 1 drives the opening and closing rod 2 to move downwards, the opening and closing rod 2 drives the pull-down frame 11 to move downwards, the pull-down frame 11 drives the central shaft 9 to move downwards, the central shaft 9 drives the upper end of the intermediary top rod 10 to move downwards, the lower end of the intermediary top rod 10 separates the two rotary valve plates 8, the rotary valve plates 8 are sent into the sealing groove, at the moment, the two sealing films 7 abut against the left side and the right side of the sealing groove; when the gate valve needs to be opened, the handle 1 is pulled upwards and the rotary table 14 is rotated to enable the lower ends of the two rotary valve plates 8 to be close to each other, then the two rotary valve plates 8 move upwards in an inverted triangle shape at the moment, and the rotary valve plates 8 can be pressed by water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high pressure gate valve sealing device which characterized in that: comprises an outer valve body (6), a threaded column (3) and a rod (2) for opening and closing;
outer valve body (6): a sealing groove is formed in the bottom side of the inner part of the outer valve body (6), the outer control cylinder (5) penetrates through the upper side of the outer valve body (6), and the sealing groove is located right below the outer control cylinder (5);
threaded post (3): the middle part of the threaded column (3) is in threaded connection with the upper side of the outer control cylinder (5), the upper end of the threaded column (3) is fixedly connected with a rotary table (14), the lower end of the threaded column (3) is rotatably connected with the upper side of a top plate (13), the left end and the right end of the lower side of the top plate (13) are hinged with rotary valve plates (8) through hinges, and one sides, far away from each other, of the two rotary valve plates (8) are fixedly connected with sealing films (7);
opening/closing lever (2): the center that the center of carousel (14), screw post (3) and the center of roof (13) are passed in the activity from top to bottom of the lower extreme of pole (2) for the switching, the bottom fixed connection of pole (2) for the switching is at the upside of pulldown frame (11), side fixedly connected with center pin (9) around the inside of pulldown frame (11), center pin (9) rotate respectively and connect in the upper end of two intermediary ejector pins (10), and the lower extreme of two intermediary ejector pins (10) articulates the one side that is close to each other in two rotation valve plates (8) through the hinge respectively.
2. The high-pressure gate valve sealing device according to claim 1, wherein: the upper ends of the sides of the two sealing films (7) far away from each other are provided with an encryption groove.
3. The high-pressure gate valve sealing device according to claim 1, wherein: the multifunctional lifting appliance is characterized by further comprising a lifting handle (1), wherein the lower side of the lifting handle (1) is fixedly connected to the upper end of the opening and closing rod (2).
4. The high-pressure gate valve sealing device according to claim 1, wherein: the handle is characterized by further comprising a back plate (4) and a limiting anti-moving rod (15), the lower end of the back plate (4) is fixedly connected to the rear end of the upper side of the outer barrel (5) for control, the limiting anti-moving rod (15) is movably inserted in the front and back of the upper end of the front side of the back plate (4), and the front end of the limiting anti-moving rod (15) is movably inserted in the handle (1).
5. The high-pressure gate valve sealing device according to claim 1, wherein: the water-saving valve is characterized by further comprising a water passing block (12), wherein the water passing block (12) is fixedly connected to four corners of the left end and the right end inside the outer valve body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288996.1U CN211231653U (en) | 2019-12-18 | 2019-12-18 | High-pressure gate valve sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288996.1U CN211231653U (en) | 2019-12-18 | 2019-12-18 | High-pressure gate valve sealing device |
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| Publication Number | Publication Date |
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| CN211231653U true CN211231653U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922288996.1U Active CN211231653U (en) | 2019-12-18 | 2019-12-18 | High-pressure gate valve sealing device |
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| CN (1) | CN211231653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032330A (en) * | 2020-08-26 | 2020-12-04 | 杜华为 | Seal valve for solid-liquid mixed conveying pipeline |
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2019
- 2019-12-18 CN CN201922288996.1U patent/CN211231653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032330A (en) * | 2020-08-26 | 2020-12-04 | 杜华为 | Seal valve for solid-liquid mixed conveying pipeline |
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