CN210164919U - High leakproofness gate valve - Google Patents
High leakproofness gate valve Download PDFInfo
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- CN210164919U CN210164919U CN201920994143.7U CN201920994143U CN210164919U CN 210164919 U CN210164919 U CN 210164919U CN 201920994143 U CN201920994143 U CN 201920994143U CN 210164919 U CN210164919 U CN 210164919U
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- valve
- valve body
- valve plate
- sealing
- lower extreme
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Abstract
The utility model discloses a high leakproofness gate valve, the water control valve comprises a valve body, the upper end fixedly connected with mounting panel of valve body, the valve body upside is provided with sealed chamber, the middle part of mounting panel is run through and is provided with the valve rod that can reciprocate, the lower extreme of valve rod is provided with the rotation axis, the lower extreme of rotation axis is provided with the valve plate, the lower extreme of valve plate runs through sealed chamber and extends to the inside of valve body, the upside cover that the valve plate is located sealed intracavity is equipped with and is used for sealed first sealing washer. The utility model has the advantages of reasonable design, through sealing mechanism's setting, can improve the sealed effect of gate valve, avoid taking place the phenomenon that the fluid was revealed, and can effectually prevent to cause the damage to the valve body when the valve plate is closed, be convenient for prolong the life of gate valve.
Description
Technical Field
The utility model relates to a gate valve equipment technical field especially relates to a high leakproofness gate 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.
At present, when the gate valve works, a hand wheel drives a valve rod to drive a flashboard through certain external force, so that the flashboard is forced to press a valve seat, and the sealing performance of the gate valve is guaranteed through the matching between the valve seat and the flashboard. However, in the use process of the existing gate valve, the condition of leakage of fluid is easy to occur due to poor sealing effect, and the requirement for use cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the high leakproofness gate valve that proposes, its setting through sealing mechanism can improve the sealed effect of gate valve, avoids taking place the phenomenon that the fluid was revealed, and can effectually prevent to cause the damage to the valve body when the valve plate is closed, is convenient for prolong the life of gate valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high leakproofness gate valve, includes the valve body, the upper end fixedly connected with mounting panel of valve body, the valve body upside is provided with sealed chamber, the middle part of mounting panel is run through and is provided with the valve rod that can reciprocate, the lower extreme of valve rod is provided with the rotation axis, the lower extreme of rotation axis is provided with the valve plate, the lower extreme of valve plate runs through sealed chamber and extends to the inside of valve body, the upside cover that the valve plate is located sealed intracavity is equipped with and is used for sealed first sealing washer, the lower extreme of valve plate is provided with sealing mechanism.
Preferably, the left end and the right end of the valve body are respectively provided with a water inlet and a water outlet.
Preferably, sealing mechanism includes the toper piece of fixed connection at the valve plate lower extreme, the cover is equipped with the second sealing washer on the toper piece, the interior bottom of valve body is provided with the groove of accomodating that is used for accomodating the valve plate bottom, the interior bottom of accomodating the groove be provided with the toper groove of toper piece looks adaptation, the inboard middle-lower position of toper groove is provided with the third sealing washer.
Preferably, the inner bottom of the tapered groove is provided with a buffer pad for buffering.
Preferably, the second sealing ring is arranged at the lower end position of the valve plate.
Preferably, the first sealing ring, the second sealing ring and the third sealing ring are all made of rubber materials.
The utility model has the advantages that:
1. by arranging the sealing mechanism, when the conical block extends into the conical groove, the second sealing groove and the third sealing ring are extruded, so that the sealing effect is achieved, the phenomenon of fluid leakage is prevented, and the sealing performance of the valve body is improved;
2. through setting up the blotter, played the effect of buffering, prevent that valve plate descending position is excessive, cause the bottom of valve plate and valve body to cause the harm, influence sealed effect, the life of extension valve body.
Drawings
Fig. 1 is a schematic structural view of a high-sealing gate valve according to the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: 1 valve body, 2 first sealing washers, 3 mounting plates, 4 valve rods, 5 rotating shafts, 6 sealing cavities, 7 water inlets, 8 valve plates, 9 water outlets, 10 buffer pads, 11 conical grooves, 12 accommodating grooves, 13 second sealing washers, 14 conical blocks and 15 third sealing washers.
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.
Referring to fig. 1-2, a high leakproofness gate valve, including valve body 1, the left end and the right-hand member of valve body 1 are water inlet 7 and delivery port 9 respectively, the upper end fixedly connected with mounting panel 3 of valve body 1, 1 upside of valve body is provided with sealed chamber 6, the middle part of mounting panel 3 is run through and is provided with valve rod 4 that can reciprocate, the lower extreme of valve rod 4 is provided with rotation axis 5, the lower extreme of rotation axis 5 is provided with valve plate 8, the lower extreme of valve plate 8 runs through sealed chamber 6 and extends to the inside of valve body 1, the upside cover that valve plate 8 is located sealed chamber 6 is equipped with and is used for sealed first sealing washer 2, sealed effect has been played, avoid the condition that takes place the fluid and reveal in sealed chamber 6, the lower.
Specifically, sealing mechanism includes conical block 14 of fixed connection at 8 lower extremes of valve plate, the cover is equipped with second sealing washer 13 on the conical block 14, the interior bottom of valve body 1 is provided with the groove 12 of accomodating that is used for accomodating 8 bottoms of valve plate, the interior bottom of accomodating groove 12 is provided with the bell jar 11 with 14 looks adaptations of conical block, the inboard middle and lower position of bell jar 11 is provided with third sealing washer 15, third sealing washer 15 is arranged in rather than matched with inside the seal groove through sticky mode, first sealing washer 2, second sealing washer 13, third sealing washer 15 is rubber material.
Specifically, the inner bottom of the tapered groove 11 is provided with a buffer pad 10 for buffering, which prevents the bottom of the valve plate 8 and the valve body 1 from being damaged due to the excessive descending position of the valve plate 8, and the sealing effect is affected.
Specifically, second sealing washer 13 sets up the lower extreme position at valve plate 8, and the position of valve plate 8 lower extreme is provided with the seal groove with second sealing washer 13 matched with, and inside the seal groove was arranged in through sticky mode to second sealing washer 13.
When closing this gate valve, valve plate 8 can block the gate valve passageway, and the bottom displacement of valve plate 9 is to the inside of accomodating groove 12, and tapered block 14 stretches into the inside of tapered groove 11 when the bottom of valve plate 8 stretches into accomodating groove 12 is inside to support second sealing washer 13 and third sealing washer 15 tightly, reached sealed effect, when tapered block 14 stretches the bottom of tapered groove 11, utilize blotter 10 to play the effect of buffering, can avoid causing the damage to valve body 1.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high leakproofness gate valve, includes valve body (1), its characterized in that, the upper end fixedly connected with mounting panel (3) of valve body (1), valve body (1) upside is provided with seal chamber (6), the middle part of mounting panel (3) is run through and is provided with valve rod (4) that can reciprocate, the lower extreme of valve rod (4) is provided with rotation axis (5), the lower extreme of rotation axis (5) is provided with valve plate (8), the lower extreme of valve plate (8) runs through seal chamber (6) and extends to the inside of valve body (1), the upside cover that valve plate (8) are located seal chamber (6) is equipped with and is used for sealed first sealing washer (2), the lower extreme of valve plate (8) is provided with sealing mechanism.
2. The gate valve with high sealing performance according to claim 1, wherein the left end and the right end of the valve body (1) are respectively a water inlet (7) and a water outlet (9).
3. The gate valve with high sealing performance according to claim 1, wherein the sealing mechanism comprises a conical block (14) fixedly connected to the lower end of the valve plate (8), a second sealing ring (13) is sleeved on the conical block (14), a containing groove (12) used for containing the bottom of the valve plate (8) is arranged at the inner bottom of the valve body (1), a conical groove (11) matched with the conical block (14) is arranged at the inner bottom of the containing groove (12), and a third sealing ring (15) is arranged at the middle-lower position of the inner side of the conical groove (11).
4. A gate valve with high sealing performance according to claim 3, wherein the inner bottom of the tapered groove (11) is provided with a buffer pad (10) for buffering.
5. A high-sealability gate valve according to claim 3, wherein the second seal ring (13) is provided at the lower end position of the valve plate (8).
6. A gate valve with high sealing performance according to claim 3, wherein the first sealing ring (2), the second sealing ring (13) and the third sealing ring (15) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994143.7U CN210164919U (en) | 2019-06-28 | 2019-06-28 | High leakproofness gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994143.7U CN210164919U (en) | 2019-06-28 | 2019-06-28 | High leakproofness gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164919U true CN210164919U (en) | 2020-03-20 |
Family
ID=69794931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994143.7U Active CN210164919U (en) | 2019-06-28 | 2019-06-28 | High leakproofness gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164919U (en) |
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2019
- 2019-06-28 CN CN201920994143.7U patent/CN210164919U/en active Active
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