CN218207883U - Gate valve with protection function - Google Patents
Gate valve with protection function Download PDFInfo
- Publication number
- CN218207883U CN218207883U CN202222525393.0U CN202222525393U CN218207883U CN 218207883 U CN218207883 U CN 218207883U CN 202222525393 U CN202222525393 U CN 202222525393U CN 218207883 U CN218207883 U CN 218207883U
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- valve
- valve body
- gate
- gate valve
- protection function
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000035939 shock Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 14
- 230000008261 resistance mechanism Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model provides a gate valve with protection function, which comprises a valve body; the valve cover is fixedly arranged at the top of the valve body; a gate slidably mounted within the valve body; the valve rod is fixedly arranged on the top of the gate plate; the impact resistance mechanism comprises a rotating shaft, a baffle and a rotating handle. The utility model provides a gate valve with protect function has when closing the gate valve, reduces the impact force of fluid medium to the flashboard of closing the in-process, avoids the flashboard to receive the great impact force of fluid medium and take place deformation to lead to the sealing line of gate valve to reduce the advantage of leaking the phenomenon in causing for a long time at the in-process of closing.
Description
Technical Field
The utility model relates to a gate valve technical field especially relates to a gate valve with protect function.
Background
The gate valve is a shutter plate, the movement direction of the shutter plate is perpendicular to the fluid direction, and the shutter plate is lifted by rotating a hand wheel, so that the passage of the valve body is opened. 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.
However, in the use of the gate valve, when the gate valve is closed, the gate plate is lowered, the flowing fluid medium has impact force on the gate plate, especially in the use scene of high fluid medium pressure and high flow rate, the inertia of the flowing fluid medium is high, the impact force of the fluid medium on the gate plate is also high in the process that the gate plate is lowered to be closed, the gate plate is easily subjected to fine deformation caused by the impact of the fluid medium in the flow passage of the valve body, and the deformation amount of the gate plate is accumulated so as not to completely offset the valve seat in the long-term use process, so that the sealing performance of the valve body is poor, and the inner leakage phenomenon is caused.
Therefore, it is necessary to provide a new gate valve with protection function to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can be when closing the gate valve, reduce the impact force of fluid medium to the flashboard of closing the in-process, avoid the flashboard to receive the great impact force of fluid medium and take place deformation to lead to the sealing line reduction of gate valve to cause the interior gate valve that has the protect function of leaking the phenomenon in the in-process of closing for a long time.
In order to solve the above technical problem, the utility model provides a gate valve with protect function includes: a valve body; the valve cover is fixedly arranged at the top of the valve body; a gate slidably mounted within the valve body; the valve rod is fixedly arranged on the top of the gate plate; impact mechanism, impact mechanism is including pivot, baffle and commentaries on classics handle, the horizontally rotation of pivot is installed intake of valve body is served on the inner wall, the fixed cover of baffle is established in the pivot, a plurality of through-holes have been seted up on the baffle, change fixed mounting in the one end of pivot just is located the valve body outside, the second mounting groove has all been seted up to the both sides of valve body, install the apron in two second mounting grooves respectively, the apron passes through sealing washer sealing connection with the pivot.
Preferably, still include actuating mechanism, actuating mechanism is including fixed sleeve, screw rod, threaded sleeve, connecting block and hand wheel, fixed sleeve fixed mounting be in the top of valve gap, screw rod fixed mounting be in the top of valve rod, threaded sleeve rotates to be installed in the fixed sleeve, the screw rod extends to in the threaded sleeve, connecting block fixed mounting be in threaded sleeve's top, hand wheel fixed mounting be in the connecting block top.
Preferably, a first mounting groove is formed in the top of the valve cover, a plurality of first sealing rings are arranged in the first mounting groove, the first sealing rings are sealed and slidably sleeved on the valve rod, and the bottom of the fixing sleeve is tightly pressed against the first sealing rings.
Preferably, the inner walls of the two sides of the valve body are provided with sliding grooves, the two sides of the valve rod are fixedly provided with sliding blocks, and the two sliding blocks are respectively connected with the two sliding grooves in a sliding mode.
Preferably, a flow direction indicating arrow is arranged on the valve body, an on/off indicating arrow is arranged on the rotating handle, and a marking line is arranged on the valve body.
Compared with the prior art, the utility model provides a gate valve with protect function has following beneficial effect:
the utility model provides a gate valve with protect function:
through the cooperation of the valve body, the valve cover, the gate plate, the valve rod and the driving mechanism, when the fluid medium conveying pipeline is opened and closed, the impact force of the fluid medium on the gate plate in the closing process can be reduced through the impact resisting mechanism when the gate valve needs to be closed, so that the gate plate is effectively protected, and the phenomenon that the sealing line of the gate valve is reduced to cause inner leakage due to deformation caused by the fact that the gate plate is subjected to large impact force of the fluid medium for a long time in the closing process is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a gate valve with a protection function according to a preferred embodiment of the present invention;
fig. 2 is a schematic front view of the external structure of the present invention;
FIG. 3 is an enlarged view of the portion A shown in FIG. 2;
fig. 4 is a schematic side view of the impact resistance mechanism and the valve body.
Reference numbers in the figures: 1. a valve body; 2. a valve cover; 3. a shutter plate; 4. a valve stem; 5. fixing the sleeve; 6. a screw; 7. a threaded sleeve; 8. connecting blocks; 9. a hand wheel; 10. a first seal ring; 11. a slider; 12. a rotating shaft; 13. a baffle plate; 14. and (4) turning the handle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1-4, wherein fig. 1 is a schematic structural diagram of a gate valve with a protection function according to a preferred embodiment of the present invention; fig. 2 is a schematic front view of the external structure of the present invention; FIG. 3 is an enlarged view of the portion A shown in FIG. 2; fig. 4 is a schematic side view of the impact resistance mechanism and the valve body. A gate valve having a protection function includes: a valve body 1; the valve cover 2 is fixedly arranged on the top of the valve body 1; the gate plate 3 is slidably mounted in the valve body 1; the valve rod 4 is fixedly arranged on the top of the gate plate 3; impact mechanism, impact mechanism is including pivot 12, baffle 13 and commentaries on classics 14, pivot 12 horizontally rotates to be installed on the end inner wall of intaking of valve body 1, baffle 13 fixed cover is established in pivot 12, a plurality of through-holes have been seted up on the baffle 13, change 14 fixed mounting in the one end of pivot 12 just is located the valve body outside, the second mounting groove has all been seted up to the both sides of valve body 1, install the apron in two second mounting grooves respectively, the apron passes through sealing washer sealing connection with pivot 12, when the gate valve is closed to needs through impact mechanism, reduces the impact force of fluid medium to closing the flashboard 3 of in-process to play effective protection to flashboard 3.
Still include actuating mechanism, actuating mechanism is including fixed sleeve 5, screw rod 6, threaded sleeve 7, connecting block 8 and hand wheel 9, fixed sleeve 5 fixed mounting be in the top of valve gap 2, 6 fixed mounting of screw rod are in the top of valve rod 4, threaded sleeve 7 rotates and installs in fixed sleeve 5, screw rod 6 extends to in the threaded sleeve 7, 8 fixed mounting of connecting block are in the top of threaded sleeve 7, 9 fixed mounting of hand wheel are in 8 tops of connecting block can order about valve rod 4 through actuating mechanism and drive flashboard 3 and go up and down to the runner to valve body 1 opens and shuts.
First mounting groove has been seted up at the top of valve gap 2, be equipped with a plurality of first sealing washer 10 in the first mounting groove, a plurality of first sealing washers 10 are all sealed and the slip cap is established on the valve rod 4, the bottom of fixed sleeve 5 compresses tightly a plurality ofly first sealing washer 10 seals up valve rod 4 and 2 inner wall gaps of valve gap through a plurality of first sealing washers 10.
The spout has all been seted up on the both sides inner wall of valve body 1, the equal fixed mounting in both sides of valve rod 4 has slider 11, two slider 11 respectively with two spout sliding connection, through the slip of two sliders 11 and two spouts, avoid screw rod 6 to rotate when can making threaded sleeve 7 rotate, and make screw rod 6 go up and down.
The valve body 1 is provided with a flow direction indication arrow, the rotating handle 14 is provided with an on/off indication arrow, and the valve body 1 is provided with a mark line.
The utility model provides a gate valve with protect function's theory of operation as follows: when the gate valve is installed, the installation direction of the gate valve on a pipeline of a fluid medium is to enable a flow direction indication arrow marked on the valve body 1 to be consistent with the flow direction of the fluid medium;
when the gate valve is used, the gate plate 3 is in an open state, the baffle 13 is also in a circulation state of the valve body 1, namely, an open indication arrow on the rotating handle 14 points to a mark line on the valve body 1, when a fluid medium needs to close the gate valve in normal flow, the rotating handle 14 is rotated firstly, the baffle 13 is driven to rotate through the rotating shaft 12, and a close indication arrow marked on the rotating handle 14 points to the mark line on the valve body 1, so that the baffle 13 is perpendicular to the flow direction of the fluid medium, the baffle 13 blocks the fluid medium, the fluid medium flows from a through hole on the baffle 13, the flow of the fluid medium in unit time is reduced, and the fluid pressure of the fluid medium after passing through the baffle 13 is reduced;
then, the hand wheel 9 is rotated, the screw rod 6 is lowered through the rotation of the threaded sleeve 7, so that the gate plate 3 is lowered through the valve rod 4, in the process that the gate plate 3 is lowered, the impact force of the fluid medium with the pressure reduced through the baffle 13 on the gate plate 3 is reduced, the gate plate 3 is protected, the phenomenon that the gate plate 3 is deformed due to the fact that the impact force of the fluid medium is too large in the process of closing the flow channel of the valve body 1 is avoided, and the flow channel of the valve body 1 is closed until the gate plate 3 is lowered to the bottom end, namely the gate valve is in a closed state;
the baffle 13 is slightly deformed by the impact force of the fluid medium, but the baffle 13 hardly influences the obstruction of the flow pressure of the fluid medium, so that the flashboard 3 can be still protected when the flashboard 3 is closed;
when the gate valve needs to be opened again, the hand wheel 9 is rotated reversely, the screw rod 6 is made to ascend to the bottom of the connecting block 8, the gate plate 3 just opens the flow channel of the valve body 1 completely, the rotating handle 14 is rotated, an opening indication arrow on the rotating handle 14 points to a marking line on the valve body 1, the baffle 13 is made to be in an opening state, and fluid media can be conveyed normally.
Compared with the prior art, the utility model provides a gate valve with protect function has following beneficial effect:
the utility model provides a gate valve with protect function, through valve body 1, valve gap 2, flashboard 3, valve rod 4, actuating mechanism cooperatees, when opening and closing on the fluid medium conveying pipeline, accessible impact resistance mechanism is when the gate valve is closed to needs, reduce the impact force of fluid medium to flashboard 3 of closing the in-process, thereby play effective protection to flashboard 3, avoid flashboard 3 to receive the great impact force of fluid medium and take place deformation to lead to the sealing line of gate valve to reduce and cause interior hourglass phenomenon in the in-process of closing for a long time.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known;
furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise;
in addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (5)
1. A gate valve with a protection function, characterized by comprising:
a valve body;
the valve cover is fixedly arranged at the top of the valve body;
a gate slidably mounted within the valve body;
the valve rod is fixedly arranged on the top of the gate plate;
mechanism shocks resistance, mechanism shocks resistance is including pivot, baffle and commentaries on classics handle, the horizontally rotation of pivot is installed intake of valve body is served and is held on the inner wall, the fixed cover of baffle is established in the pivot, a plurality of through-holes have been seted up on the baffle, change fixed mounting be in the one end of pivot just is located the valve body outside, the second mounting groove has all been seted up to the both sides of valve body, install the apron in two second mounting grooves respectively, the apron passes through sealing washer sealing connection with the pivot.
2. The gate valve with the protection function according to claim 1, further comprising a driving mechanism, wherein the driving mechanism comprises a fixing sleeve, a screw rod, a threaded sleeve, a connecting block and a hand wheel, the fixing sleeve is fixedly installed at the top of the valve cover, the screw rod is fixedly installed at the top end of the valve rod, the threaded sleeve is rotatably installed in the fixing sleeve, the screw rod extends into the threaded sleeve, the connecting block is fixedly installed at the top end of the threaded sleeve, and the hand wheel is fixedly installed at the top of the connecting block.
3. The gate valve with the protection function of claim 2, wherein a first mounting groove is formed in the top of the valve cover, a plurality of first sealing rings are arranged in the first mounting groove, the plurality of first sealing rings are hermetically and slidably sleeved on the valve rod, and the plurality of first sealing rings are tightly pressed by the bottom of the fixing sleeve.
4. The gate valve with protection function of claim 1, wherein the inner walls of the two sides of the valve body are respectively provided with a sliding groove, the two sides of the valve rod are respectively fixedly provided with a sliding block, and the two sliding blocks are respectively connected with the two sliding grooves in a sliding manner.
5. The gate valve with protection function as claimed in claim 1, wherein the valve body is provided with a flow direction indication arrow, the rotating handle is provided with an on/off indication arrow, and the valve body is provided with a marking line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222525393.0U CN218207883U (en) | 2022-09-23 | 2022-09-23 | Gate valve with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222525393.0U CN218207883U (en) | 2022-09-23 | 2022-09-23 | Gate valve with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207883U true CN218207883U (en) | 2023-01-03 |
Family
ID=84638614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222525393.0U Active CN218207883U (en) | 2022-09-23 | 2022-09-23 | Gate valve with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4400749A1 (en) * | 2023-01-13 | 2024-07-17 | Georg Fischer Rohrleitungssysteme AG | Slide unit for a shut-off valve |
-
2022
- 2022-09-23 CN CN202222525393.0U patent/CN218207883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4400749A1 (en) * | 2023-01-13 | 2024-07-17 | Georg Fischer Rohrleitungssysteme AG | Slide unit for a shut-off valve |
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