CN221003834U - Gate valve mechanism - Google Patents
Gate valve mechanism Download PDFInfo
- Publication number
- CN221003834U CN221003834U CN202323130886.5U CN202323130886U CN221003834U CN 221003834 U CN221003834 U CN 221003834U CN 202323130886 U CN202323130886 U CN 202323130886U CN 221003834 U CN221003834 U CN 221003834U
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- mounting
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- nut
- installation
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- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of gate valves, in particular to a gate valve mechanism which comprises an installation tube, a fixing part, an installation shell, a valve plate, a threaded rod and a nut, wherein the installation tube is arranged on the installation shell; the mounting pipe is connected with the fixing part; the fixed part is internally provided with a mounting groove, and the valve plate is in sliding connection with the mounting groove; the nut is rotationally connected with the mounting part; the threaded rod is connected with the valve plate, the threaded rod is in threaded fit connection with the nut, and the mounting part is provided with two through holes; the mounting part is provided with a driving mechanism, and the driving mechanism is provided with a locking mechanism. According to the utility model, the valve plate, the threaded rod and the observation rod synchronously move, so that the observation rod can accurately reflect the moving distance of the valve plate, and the position of the valve plate in the fixed part can be judged through the distance of the observation rod on the installation part; the locking mechanism on the mounting plate is simple in operation, the pin rod and the pin hole are matched to fix the position of the mounting plate to prevent the mounting plate from rotating, and the mounting plate can be continuously rotated by pulling the pin rod outwards to be far away from the pin hole.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to a gate valve mechanism.
Background
The gate valve is a shutter, the moving 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 through the contact of disk seat and flashboard, and the metal material is built up to the sealed face in order to increase the wearability generally, and the flashboard has rigid flashboard and elasticity flashboard, and according to the difference of flashboard, the gate valve falls into rigid gate valve and elasticity gate valve.
The Chinese patent with the publication number of CN211009908U discloses a locking mechanism for a gate valve, relates to the field of gate valves, and comprises a valve body, a top cover, a valve rod, a valve core and a sealing element, wherein the sealing element is arranged in the valve body, the sealing element is positioned above the valve core, the valve rod is a square rod, guide grooves are formed in the periphery of the inner wall of the top cover, one side of the guide groove, which is far away from the inner wall of the top cover, is in rolling connection with a guide wheel, the guide wheel is fixedly connected with the side surface of the valve rod, the guide wheel is positioned above the sealing element, and a tooth column I and a tooth column II are respectively meshed on two sides of the valve rod. According to the utility model, through arranging the guide groove, the guide wheel, the tooth column I, the tooth column II, the gear ring, the hand wheel and the magnetic block, the problem that when the hand-operated gate valve locks the lifting and descending valve rod through threads on the surface of the valve rod, the valve rod is easy to rust and clamp after being worn after long-term use, the rotation stroke of the threads is long, and the friction force of sliding connection with the valve rod is large when a bushing sleeved on the surface of the valve rod limits the valve rod is solved.
However, the above technical solution has the following drawbacks: above-mentioned valve is with case drive valve rod when removing in the locking mechanism, and valve rod and locking mechanism all are located the inside of top cap, and inconvenient judgement case's travel distance further can't accurately judge the open condition of case.
Disclosure of utility model
The utility model aims to solve the problems in the background art and provides a gate valve mechanism.
The technical scheme of the utility model is as follows: a gate valve mechanism comprises a mounting tube, a fixing part, a mounting shell, a valve plate, a threaded rod and a nut;
The two mounting pipes are respectively connected with two ends of the fixing part and symmetrically distributed on the fixing part, and the mounting part is connected with the upper end of the fixing part;
The fixed part is of a hollow structure, the fixed part is internally provided with a mounting groove, the valve plate is in sliding connection with the mounting groove, and the outer diameter value of the valve plate is larger than the inner diameter value of the mounting pipe;
The mounting part is of a hollow structure, the fixing part is connected with the inside of the mounting part, the nut is rotationally connected with one end of the mounting part, which is close to the fixing part, and the nut and the mounting part are coaxially distributed;
One end of the threaded rod is connected with the upper end of the valve plate, the threaded rod is in threaded fit connection with the nut, the mounting part is provided with two through holes, and the two through holes are symmetrically distributed on the mounting part;
the mounting part is provided with a driving mechanism, the driving mechanism is used for driving the nut to rotate in the mounting part, and the driving mechanism is provided with a locking mechanism.
Preferably, the driving mechanism comprises a mounting plate, a driven gear, a driving gear, a worm wheel, a rotating shaft and a worm;
The driven gear is connected with the outer peripheral surface of the nut, the installation shell is connected with the installation part, the installation shell is communicated with the installation groove, the rotating shaft is rotationally connected with the inner wall of the installation shell, the driving gear is connected with the rotating shaft, and the driving gear is meshed with the driven gear;
the worm wheel is connected with the rotating shaft, the worm is rotationally connected with the inner wall of the mounting shell, and the worm is meshed with the worm wheel;
The end of worm is connected to the mounting panel, is equipped with locking mechanism on the mounting panel, and locking mechanism is connected with the installation shell cooperation.
Preferably, the locking mechanism comprises a pin rod, a lug, a mounting ring, a spring b and a spring a;
The mounting plate is provided with a chute a, the mounting ring is connected with the outer circumferential surface of the pin rod and is coaxially distributed with the pin rod, the mounting ring is slidably connected with the chute a, and the chute a and the mounting plate are eccentrically arranged;
The spring a is sleeved on the outer side of the pin rod, one end of the spring a is connected with one end of the mounting ring, which is far away from the worm, the other end of the spring a is connected with one end of the sliding groove a, which is far away from the worm, and the spring a is in a compressed state;
the surface of the installation shell is provided with a plurality of pin holes, the plurality of pin holes are uniformly distributed on the circumference of the installation shell, and the pin rod is connected with the pin holes in a matched manner;
The pin rod is provided with two sliding grooves b, the two sliding grooves b are connected with the two protruding blocks in a sliding mode, the two springs b are provided with two sliding grooves, the two springs b are respectively connected with the corresponding protruding blocks and the corresponding sliding grooves b, and the springs b are in a compressed state.
Preferably, the device further comprises a viewing rod and a top plate;
The upper end of threaded rod is connected to the roof and with threaded rod coaxial distribution, the roof is located inside the installation department, and the observation pole is equipped with two, and two observation poles are all connected the roof and on the roof symmetric distribution, and two observation poles pass two through-holes respectively and sliding connection through-hole.
Preferably, the inner wall of the mounting part is provided with an annular groove, the nut is connected with the annular groove in a rotating fit manner, and both ends of the annular groove are provided with sealing parts.
Preferably, sealing rings are arranged at two ends of the valve plate, the sealing rings and the valve plate are coaxially distributed, and the sealing rings compress the ends of the two mounting tubes.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:
According to the utility model, the nut is driven to rotate through the driving mechanism, the threaded rod is in threaded fit connection with the nut, the threaded rod drives the valve plate to move along the axis direction of the mounting part, the observation rod on the top plate is driven to slide on the mounting part when the valve plate moves upwards, the position of the valve plate is conveniently observed through the observation rod, and the valve plate is ensured to be in a fully closed or fully opened state.
According to the utility model, the valve plate, the threaded rod and the observation rod synchronously move, so that the observation rod can accurately reflect the moving distance of the valve plate, and the position of the valve plate in the fixed part can be judged through the distance of the observation rod on the installation part; the locking mechanism on the mounting plate is simple in operation, the pin rod and the pin hole are matched to fix the position of the mounting plate to prevent the mounting plate from rotating, and the mounting plate can be continuously rotated by pulling the pin rod outwards to be far away from the pin hole.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a gate valve mechanism according to the present utility model.
Fig. 3 is a cross-sectional view of a gate valve mechanism according to the present utility model.
Fig. 4 is a schematic diagram of the internal structure at a in fig. 1.
Reference numerals: 1. installing a pipe; 2. a fixing part; 3. a mounting part; 4. a through hole; 5. an observation rod; 6. a mounting shell; 7. a pin rod; 8. a mounting plate; 9. a top plate; 10. a valve plate; 11. a threaded rod; 12. a driven gear; 13. a nut; 14. a drive gear; 15. a pin hole; 16. a worm wheel; 17. a rotating shaft; 18. a worm; 19. a bump; 20. a mounting ring; 21. a spring b; 22. a spring a; 23. and (3) sealing rings.
Detailed Description
Example 1
As shown in fig. 1 to 4, the gate valve mechanism provided by the utility model comprises a mounting tube 1, a fixing part 2, a mounting part 3, a mounting shell 6, a valve plate 10, a threaded rod 11, an observation rod 5, a top plate 9 and a nut 13;
the two mounting tubes 1 are respectively connected with two ends of the fixing part 2 and symmetrically distributed on the fixing part 2, and the mounting part 3 is connected with the upper end of the fixing part 2;
the fixed part 2 is of a hollow structure, a mounting groove is formed in the fixed part 2, the valve plate 10 is connected with the mounting groove in a sliding manner, and the outer diameter value of the valve plate 10 is larger than the inner diameter value of the mounting pipe 1;
further, sealing rings 23 are arranged at two ends of the valve plate 10, the sealing rings 23 and the valve plate 10 are coaxially distributed, and the sealing rings 23 compress the ends of the two mounting pipes 1;
the mounting part 3 is of a hollow structure, the fixing part 2 is connected with the inside of the mounting part 3, the nut 13 is rotationally connected with one end of the mounting part 3 close to the fixing part 2, and the nut 13 and the mounting part 3 are coaxially distributed;
Further, an annular groove is formed in the inner wall of the mounting part 3, the nut 13 is in rotary fit connection with the annular groove, and sealing parts are arranged at two ends of the annular groove;
One end of a threaded rod 11 is connected with the upper end of the valve plate 10, the threaded rod 11 is in threaded fit connection with a nut 13, the mounting part 3 is provided with two through holes 4, and the two through holes 4 are symmetrically distributed on the mounting part 3;
The top plate 9 is connected with the upper end of the threaded rod 11 and is coaxially distributed with the threaded rod 11, the top plate 9 is positioned in the installation part 3, two observation rods 5 are arranged, the two observation rods 5 are connected with the top plate 9 and are symmetrically distributed on the top plate 9, and the two observation rods 5 respectively penetrate through the two through holes 4 and are in sliding connection with the through holes 4;
The mounting portion 3 is provided with a driving mechanism for driving the nut 13 to rotate in the mounting portion 3, and the driving mechanism is provided with a locking mechanism.
In the utility model, the nut 13 is driven to rotate by the driving mechanism, the threaded rod 11 is in threaded fit connection with the nut 13, the threaded rod 11 drives the valve plate 10 to move along the axis direction of the mounting part 3, the observation rod 5 on the top plate 9 is driven to slide on the mounting part 3 when the valve plate 10 moves upwards, the position of the valve plate 10 is conveniently observed by the observation rod 5, and the valve plate 10 is ensured to be in a fully closed or fully opened state.
Example two
As shown in fig. 2-4, in comparison with the first embodiment, the gate valve mechanism according to the present utility model includes a mounting plate 8, a driven gear 12, a driving gear 14, a worm wheel 16, a rotating shaft 17 and a worm 18;
The driven gear 12 is connected with the outer peripheral surface of the nut 13, the installation shell 6 is connected with the installation part 3, the installation shell 6 is communicated with the installation groove, the rotating shaft 17 is rotationally connected with the inner wall of the installation shell 6, the driving gear 14 is connected with the rotating shaft 17, and the driving gear 14 is meshed and connected with the driven gear 12;
The worm wheel 16 is connected with a rotating shaft 17, the worm 18 is rotationally connected with the inner wall of the mounting shell 6, and the worm 18 is meshed with the worm wheel 16;
The end of worm 18 is connected to mounting panel 8, is equipped with locking mechanism on the mounting panel 8, and locking mechanism is connected with the cooperation of mounting shell 6.
In this embodiment, the worm 18 is driven to rotate by rotating the mounting plate 8, the worm 18 is meshed with the worm wheel 16, the worm wheel 16 drives the rotating shaft 17 and the driving gear 14 to rotate, the driving gear 14 is meshed with the driven gear 12, and the driven gear 12 drives the nut 13 to rotate.
Example III
As shown in fig. 4, compared with the first embodiment, the locking mechanism of the present utility model includes a pin 7, a bump 19, a mounting ring 20, a spring b21 and a spring a22;
The mounting plate 8 is provided with a chute a, the mounting ring 20 is connected with the outer peripheral surface of the pin rod 7 and is coaxially distributed with the pin rod 7, the mounting ring 20 is slidably connected with the chute a, and the chute a and the mounting plate 8 are eccentrically arranged;
the spring a22 is sleeved outside the pin rod 7, one end of the spring a22 is connected with one end of the mounting ring 20, which is far away from the worm 18, the other end of the spring a22 is connected with one end of the chute a, which is far away from the worm 18, and the spring a22 is in a compressed state;
The surface of the installation shell 6 is provided with a plurality of pin holes 15, the plurality of pin holes 15 are uniformly distributed on the circumference of the installation shell 6, and the pin rod 7 is connected with the pin holes 15 in a matching way;
The pin rod 7 is provided with two sliding grooves b, the protruding blocks 19 are provided with two sliding grooves b, the two protruding blocks 19 are connected with the two sliding grooves b in a sliding mode, the springs b21 are provided with two springs b21, the two springs b21 are respectively connected with the corresponding protruding blocks 19 and the corresponding sliding grooves b, and the springs b21 are in a compressed state.
In this embodiment, the pin 7 is pulled outwards, so that the pin 7 is far away from the pin hole 15, the two bump springs b21 extend out of the pin 7, the spring a22 is compressed, the two bumps 19 press the end surface of the mounting plate 8 far away from the mounting shell 6, the mounting plate 8 can be rotated, when the mounting plate 8 needs to be locked, the bumps 19 are pressed into the sliding groove b, the spring a22 drives the pin 7 to be close to the pin hole 15, and the pin 7 is connected with the pin hole 15 in a matched manner, so that the position of the mounting plate 8 can be fixed.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. A gate valve mechanism, which is characterized by comprising a mounting pipe (1), a fixing part (2), a mounting part (3), a mounting shell (6), a valve plate (10), a threaded rod (11) and a nut (13);
The two mounting pipes (1) are arranged, the two mounting pipes (1) are respectively connected with the two ends of the fixing part (2) and are symmetrically distributed on the fixing part (2), and the mounting part (3) is connected with the upper end of the fixing part (2);
The fixing part (2) is of a hollow structure, a mounting groove is formed in the fixing part (2), the valve plate (10) is connected with the mounting groove in a sliding mode, and the outer diameter value of the valve plate (10) is larger than the inner diameter value of the mounting pipe (1);
The mounting part (3) is of a hollow structure, the fixing part (2) is connected with the inside of the mounting part (3), and the nut (13) is rotationally connected with one end of the mounting part (3) close to the fixing part (2);
One end of a threaded rod (11) is connected with the upper end of the valve plate (10), the threaded rod (11) is in threaded fit connection with a nut (13), the installation part (3) is provided with two through holes (4), and the two through holes (4) are symmetrically distributed on the installation part (3);
the mounting part (3) is provided with a driving mechanism which is used for driving the nut (13) to rotate in the mounting part (3), and the driving mechanism is provided with a locking mechanism.
2. A gate valve mechanism according to claim 1, characterized in that the driving mechanism comprises a mounting plate (8), a driven gear (12), a driving gear (14), a worm wheel (16), a rotating shaft (17) and a worm (18);
The driven gear (12) is connected with the outer peripheral surface of the nut (13), the installation shell (6) is connected with the installation part (3), the installation shell (6) is communicated with the installation groove, the rotating shaft (17) is rotationally connected with the inner wall of the installation shell (6), the driving gear (14) is connected with the rotating shaft (17), and the driving gear (14) is meshed and connected with the driven gear (12);
The worm wheel (16) is connected with the rotating shaft (17), the worm (18) is rotationally connected with the inner wall of the mounting shell (6), and the worm (18) is meshed with the worm wheel (16);
The mounting plate (8) is connected with the end of the worm (18), and a locking mechanism is arranged on the mounting plate (8) and is matched and connected with the mounting shell (6).
3. A gate valve mechanism according to claim 2, characterized in that the locking mechanism comprises a pin (7), a projection (19), a mounting ring (20), a spring b (21) and a spring a (22);
The mounting plate (8) is provided with a chute a, the mounting ring (20) is connected with the peripheral surface of the pin rod (7), the mounting ring (20) is connected with the chute a in a sliding manner, and the chute a and the mounting plate (8) are eccentrically arranged;
The spring a (22) is sleeved on the outer side of the pin rod (7), one end of the spring a (22) is connected with one end of the mounting ring (20) far away from the worm (18), the other end of the spring a is connected with one end of the chute a far away from the worm (18), and the spring a (22) is in a compressed state;
The surface of the installation shell (6) is provided with a plurality of pin holes (15), the plurality of pin holes (15) are uniformly distributed on the circumference of the installation shell (6), and the pin rod (7) is connected with the pin holes (15) in a matching way;
The pin rod (7) is provided with two sliding grooves b, the protruding blocks (19) are provided with two sliding grooves b, the two protruding blocks (19) are connected with the two sliding grooves b in a sliding mode, the springs b (21) are provided with two, the two springs b (21) are respectively connected with the corresponding protruding blocks (19) and the corresponding sliding grooves b, and the springs b (21) are in a compressed state.
4. A gate valve mechanism according to claim 1, further comprising a viewing rod (5) and a top plate (9);
The upper end of threaded rod (11) is connected to roof (9) and with threaded rod (11) coaxial distribution, roof (9) are located inside installation department (3), and observation pole (5) are equipped with two, and roof (9) are all connected to two observation poles (5) and on roof (9) symmetric distribution, and two observation poles (5) pass two through-holes (4) respectively and sliding connection through-hole (4).
5. A gate valve mechanism according to claim 1, characterized in that the inner wall of the mounting part (3) is provided with an annular groove, the nut (13) is in rotary fit connection with the annular groove, and both ends of the annular groove are provided with sealing parts.
6. A gate valve mechanism according to claim 1, characterized in that both ends of the valve plate (10) are provided with sealing rings (23), the sealing rings (23) are coaxially distributed with the valve plate (10), and the sealing rings (23) compress the ends of the two mounting pipes (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323130886.5U CN221003834U (en) | 2023-11-20 | 2023-11-20 | Gate valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323130886.5U CN221003834U (en) | 2023-11-20 | 2023-11-20 | Gate valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003834U true CN221003834U (en) | 2024-05-24 |
Family
ID=91116726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323130886.5U Active CN221003834U (en) | 2023-11-20 | 2023-11-20 | Gate valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003834U (en) |
-
2023
- 2023-11-20 CN CN202323130886.5U patent/CN221003834U/en active Active
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