CN220749082U - Two-way knife gate valve - Google Patents
Two-way knife gate valve Download PDFInfo
- Publication number
- CN220749082U CN220749082U CN202322519376.0U CN202322519376U CN220749082U CN 220749082 U CN220749082 U CN 220749082U CN 202322519376 U CN202322519376 U CN 202322519376U CN 220749082 U CN220749082 U CN 220749082U
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- China
- Prior art keywords
- wall
- gate valve
- pawl
- ratchet
- threaded rod
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Links
- 238000007789 sealing Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 description 12
- 210000001503 joint Anatomy 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model relates to the technical field of pipeline valves, in particular to a two-way knife gate valve which comprises a circular ring, wherein a clamping mechanism is arranged on the inner wall of a rotating plate, a threaded rod is arranged at the bottom of the circular ring, and a gate valve main body is rotatably connected with the outer wall of the threaded rod. Through cup jointing the ratchet inside the round bar at the top of threaded rod, drive the handle rotation, the handle drives the ring and rotates clockwise, the ring drives the pawl and rotates clockwise around the ratchet, the ratchet dials the pawl open, the pawl compresses the spring, when pawl and ratchet separate, the spring that is in compressed state helps the pawl to reset, pawl and ratchet mesh once more, rotate the handle to the certain direction time, drive the handle reverse rotation, the handle drives the pawl reverse rotation, the pawl promotes the ratchet anticlockwise rotation, the ratchet drives the threaded rod rotation, accomplish opening and close of two-way knife gate valve, this kind of mode makes two-way knife gate valve can use in narrow and small space, thereby make two-way knife gate valve's application scope extensive.
Description
Technical Field
The utility model relates to the technical field of pipeline valves, in particular to a bidirectional knife gate valve.
Background
The knife gate valve, also called knife gate valve, knife slurry valve, has very wide application range, and can be used for sewage treatment from coal dressing, gangue discharging and slag discharging of mine power plants to cities, and the two-way knife gate valve is also one of the knife gate valves.
For example, the authority bulletin number CN107575592a is named as a bidirectional sealing knife gate, although the gate main body and the rotary valve column are improved, the influence of the medium on the butt joint of the knife gate caused by the adhesion on the rotary valve column in the flowing process is avoided, the butt joint efficiency is improved, the air tightness of the butt joint of the valve is guaranteed, the safety is high, and the practicability is high, but the existing bidirectional knife gate still exists in the using process, the ring is regulated, the valve rod is driven by the ring to provide pressure for the gate main body, so that the gate main body and the toothed groove on the rotary valve column are in butt joint to complete sealing, thereby closing the gate, otherwise, the gate can be opened through the regulation of the ring, and the ring at the top of the gate occupies more space, so that the bidirectional knife gate cannot be installed in a narrow space, thereby the application range of the bidirectional knife gate is not wide enough.
Disclosure of Invention
The utility model aims to solve the problem that the bidirectional knife gate valve cannot be installed in a narrow space due to the fact that the circular ring at the top of the gate valve occupies more space, so that the application range of the bidirectional knife gate valve is not wide enough.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a two-way knife gate valve, includes the ring, the inner wall of ring is equipped with joint mechanism, the bottom of ring is equipped with the threaded rod, the outer wall rotation of threaded rod links to each other there is the gate valve main part, the outer wall screw thread of threaded rod meets there is the slide bar, the outer wall of slide bar and the inner wall slip joint of gate valve main part, the sealing washer has been cup jointed to the outer wall of slide bar, the bottom of sealing washer and the inner wall looks rigid coupling of gate valve main part, the outer wall slip joint of slide bar has the sliding frame, the interior slip joint of sliding frame has the valve plate, the laminating of the inner wall of valve plate has the toper piece, the one end of slide bar and the top looks rigid coupling of toper piece.
Preferably, the clamping mechanism comprises a backup plate, the outer side of the backup plate is fixedly connected with the inner wall of the circular ring, the inner wall of the backup plate is fixedly connected with the outer wall of the circular rod, the outer wall of the circular rod is in sliding clamping connection with the inner wall of the ratchet wheel, the outer wall of the ratchet wheel is clamped with one end of the pawl, one end of the pawl is rotatably connected with the inner wall of the circular ring, the bottom of the pawl is rotatably connected with one end of the spring, one end of the spring is rotatably connected with the inner wall of the circular ring, and the outer wall of the ratchet wheel is adjacent to the handle.
Preferably, one end of the handle is fixedly connected with the outer wall of the circular ring, and the inner wall of the ratchet wheel is clamped with the outer wall of the threaded rod.
Preferably, a sealing gasket is attached to the outer side of the valve plate, and the outer side of the sealing gasket is fixedly connected with the inner wall of the gate valve main body.
Preferably, a tension spring is fixedly connected to the inner side of the valve plate, and a water pipe is attached to the outer side of the gate valve main body.
Preferably, the inner wall thread of the gate valve main body is connected with a bolt, and the outer wall of the bolt is connected with the inner wall thread of the water pipe.
The bidirectional knife gate valve provided by the utility model has the beneficial effects that: through cup jointing the ratchet inside the round bar at the top of threaded rod, drive the handle rotation, the handle drives the ring and rotates clockwise, the ring drives the pawl and rotates clockwise around the ratchet, the ratchet dials the pawl open, the pawl compresses the spring, when pawl and ratchet separate, the spring that is in compressed state helps the pawl to reset, pawl and ratchet mesh once more, rotate the handle to the certain direction time, drive the handle reverse rotation, the handle drives the pawl reverse rotation, the pawl promotes the ratchet anticlockwise rotation, the ratchet drives the threaded rod rotation, accomplish opening and close of two-way knife gate valve, this kind of mode makes two-way knife gate valve can use in narrow and small space, thereby make two-way knife gate valve's application scope extensive.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic plan view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the backup plate, round bar and ratchet of FIG. 1;
FIG. 4 is an enlarged schematic view of the tapered block of FIG. 2;
fig. 5 is an enlarged schematic view of the threaded rod 3 of fig. 2.
In the figure: 1. the device comprises a circular ring, 2, a clamping mechanism, 201, a backup plate, 202, a circular rod, 203, a ratchet wheel, 204, a spring, 205, a pawl, 206, a handle, 2a1, a cross rod, 2a2, a sliding block, 3, a threaded rod, 4, a sealing ring, 5, a sliding rod, 6, a sliding frame, 7, a valve plate, 8, a conical block, 9, a sealing gasket, 10, a tension spring, 11, a gate valve main body, 12, a water pipe, 13 and a bolt.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-5: in this embodiment 1, a two-way knife gate valve, including ring 1, ring 1's inner wall is equipped with joint mechanism 2, joint mechanism 2 is convenient fixed to ring 1, ring 1's bottom is equipped with threaded rod 3, threaded rod 3's outer wall rotates and links to each other has gate valve main part 11, gate valve main part 11 is spacing to threaded rod 3, threaded rod 3's outer wall thread has slide bar 5, threaded rod 3 drives slide bar 5 and removes, slide bar 5's outer wall and gate valve main part 11's inner wall slip joint, gate valve main part 11 is spacing to slide bar 5, slide bar 5's outer wall has cup jointed sealing washer 4, sealing washer 4 seals gate valve main part 11 and slide bar 5 junction, sealing washer 4's bottom and gate valve main part 11's inner wall looks rigid coupling, slide bar 5's outer wall slip joint has slide frame 6, slide bar 5 is spacing to slide frame 6, slide frame 6's interior slip joint has valve plate 7 spacing to slide frame 7, the laminating of valve plate 7 has conical block 8, conical block extrusion valve plate 7 outwards removes, slide bar 5's one end and conical block 8's top looks rigid coupling, slide bar 5 drives conical block 8 and remove.
The clamping mechanism 2 comprises a backup plate 201, the outer side of the backup plate 201 is fixedly connected with the inner wall of the circular ring 1, the inner wall of the backup plate 201 is fixedly connected with the outer wall of the circular rod 202, the backup plate 201 is fixedly connected with the circular rod 202, the outer wall of the circular rod 202 is in sliding clamping connection with the inner wall of the ratchet wheel 203, the circular rod 202 is limited to the ratchet wheel 203, the outer wall of the ratchet wheel 203 is clamped with one end of a pawl 205, the pawl 205 is limited to the ratchet wheel 205, one end of the pawl 205 is rotatably connected with the inner wall of the circular ring 1, the pawl 205 is rotatably connected with one end of a spring 204, the spring 204 is used for helping the pawl 205 to reset, one end of the spring 204 is rotatably connected with the inner wall of the circular ring 1, the circular ring 1 is limited to the spring 204, a handle 206 is arranged adjacent to the outer wall of the ratchet wheel 203, one end of the handle 206 is fixedly connected with the outer wall of the circular ring 1, the handle 206 is convenient to drive the circular ring 1 to rotate, the handle 206 and the circular ring 1 forms a rotating handle, the inner wall of the ratchet wheel 203 is clamped with the outer wall of the threaded rod 3, and the ratchet wheel 203 drives the threaded rod 3 to rotate;
the ratchet 203 in the round rod 1 is sleeved on the top of the threaded rod 3, the handle 206 is driven to rotate, the handle 206 drives the round ring 1 to rotate clockwise, the round ring 1 drives the pawl 205 to rotate clockwise around the ratchet 203, the pawl 205 is pulled out by the ratchet 203, the pawl 205 compresses the spring 204, when the pawl 205 is separated from the ratchet 203, the pawl 205 is assisted to reset by the spring 204 in a compressed state, the pawl 205 is meshed with the ratchet 203 again, the handle 206 is driven to rotate in a certain direction, the handle 206 is driven to rotate reversely, the pawl 206 drives the pawl 205 to rotate reversely, the pawl 205 drives the ratchet 203 to rotate anticlockwise, the ratchet 203 drives the threaded rod 3 to rotate, and the opening and closing of the bidirectional knife gate valve are completed.
The outside laminating of valve plate 7 has sealed pad 9, and sealed pad 9 seals the junction of gate valve main part 11 and valve plate 7, and sealed pad 9's outside and gate valve main part 11's inner wall looks rigid coupling, and the inboard rigid coupling of valve plate 7 has extension spring 10, and extension spring 10 helps valve plate 7 to reset, and gate valve main part 11's outside laminating has water pipe 12, and gate valve main part 11's inner wall thread phase has bolt 13, and bolt 13's outer wall and water pipe 12's inner wall thread phase, and bolt 13 fixes gate valve main part 11 and water pipe 12 together.
Working principle:
the ratchet 203 in the round rod 1 is sleeved at the top of the threaded rod 3, the handle 206 is driven to rotate, the handle 206 drives the round ring 1 to rotate clockwise, the round ring 1 drives the pawl 205 to rotate clockwise around the ratchet 203, the pawl 205 is pulled out by the ratchet 203, the pawl 205 compresses the spring 204, when the pawl 205 is separated from the ratchet 203, the pawl 205 is assisted to reset by the compressed spring 204, the pawl 205 is meshed with the ratchet 203 again, when the handle 206 rotates to a certain direction, the handle 206 is driven to rotate reversely, the handle 206 drives the pawl 205 to rotate reversely, the pawl 205 drives the ratchet 203 to rotate anticlockwise, the ratchet 203 drives the threaded rod 3 to rotate, the opening and closing of the bidirectional knife gate valve is completed, the bidirectional knife gate valve can be used in a narrow space, so that the application range of the bidirectional knife gate valve is wide, the threaded rod 3 rotates to drive the slide rod 5 to move downwards, the conical block 8 is driven to move downwards by the slide rod 5, the conical block 8 drives the valve plate 7 to move downwards, when the valve plate 7 is attached to the inside of the gate valve body 11, the conical block 8 is driven to move downwards by the slide rod 5, the conical block 8 is driven by the limit of the slide block 6, the valve 7 to be pressed by the conical block 8, the valve 7 to move to the valve body 7 to press the valve 7 to the valve body 11, and the sealing pad 13 is matched with the valve body 13 to be closed, and the bolt 11 is matched with the main body 13, and the bolt is closed.
Example 2:
referring to fig. 2, the present utility model provides a technical solution: the clamping mechanism 2 can further comprise a cross rod 2a1, the inner side of the cross rod 2a1 is fixedly connected with the outer wall of the slide rod 5, the cross rod 2a1 is used for limiting the slide rod 5, the outer side of the cross rod 2a1 is fixedly connected with the inner side of the slide block 2a2, the slide block 2a2 is used for limiting the slide rod 2a1, the outer wall of the slide block 2a2 is in sliding clamping connection with the inner wall of the gate valve main body 11, and the gate valve main body 11 is used for limiting the slide block 2a 2;
the gate valve main body 11 limits the sliding block 2a2, the sliding block 2a2 limits the cross rod 2a1, the cross rod 2a1 limits the sliding rod 5, and the sliding rod 5 is prevented from rotating.
Working principle:
the gate valve main body 11 limits the sliding block 2a2, the sliding block 2a2 limits the cross rod 2a1, the cross rod 2a1 limits the sliding rod 5, and the sliding rod 5 is prevented from rotating.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a two-way knife gate valve, includes ring (1), its characterized in that: the inner wall of ring (1) is equipped with joint mechanism (2), the bottom of ring (1) is equipped with threaded rod (3), the outer wall rotation of threaded rod (3) links to each other has gate valve main part (11), the outer wall screw thread of threaded rod (3) has met slide bar (5), the outer wall of slide bar (5) and the inner wall slip joint of gate valve main part (11), sealing washer (4) have been cup jointed to the outer wall of slide bar (5), the bottom of sealing washer (4) and the inner wall looks rigid coupling of gate valve main part (11), the outer wall slip joint of slide bar (5) has sliding frame (6), the interior joint of sliding frame (6) has valve plate (7), the laminating of the inner wall of valve plate (7) has conical block (8), the one end of slide bar (5) and the top looks rigid coupling of conical block (8).
2. The bi-directional knife gate valve of claim 1, wherein: the clamping mechanism (2) comprises a backup plate (201), the outer side of the backup plate (201) is fixedly connected with the inner wall of the circular ring (1), the inner wall of the backup plate (201) is fixedly connected with the outer wall of the circular rod (202), the outer wall of the circular rod (202) is slidably clamped with the inner wall of the ratchet wheel (203), the outer wall of the ratchet wheel (203) is clamped with one end of the pawl (205), one end of the pawl (205) is rotatably connected with the inner wall of the circular ring (1), the bottom of the pawl (205) is rotatably connected with one end of the spring (204), one end of the spring (204) is rotatably connected with the inner wall of the circular ring (1), and the outer wall of the ratchet wheel (203) is adjacent with the handle (206).
3. A bi-directional knife gate valve according to claim 2, wherein: one end of the handle (206) is fixedly connected with the outer wall of the circular ring (1), and the inner wall of the ratchet wheel (203) is clamped with the outer wall of the threaded rod (3).
4. The bi-directional knife gate valve of claim 1, wherein: the outside laminating of valve plate (7) has sealed pad (9), the outside of sealed pad (9) is with the inner wall looks rigid coupling of gate valve main part (11).
5. The bi-directional knife gate valve of claim 1, wherein: the inside of valve plate (7) rigid coupling has extension spring (10), the outside laminating of gate valve main part (11) has water pipe (12).
6. The bi-directional knife gate valve of claim 5 wherein: the inner wall thread of the gate valve main body (11) is connected with a bolt (13), and the outer wall of the bolt (13) is connected with the inner wall thread of the water pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519376.0U CN220749082U (en) | 2023-09-18 | 2023-09-18 | Two-way knife gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519376.0U CN220749082U (en) | 2023-09-18 | 2023-09-18 | Two-way knife gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220749082U true CN220749082U (en) | 2024-04-09 |
Family
ID=90571402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322519376.0U Active CN220749082U (en) | 2023-09-18 | 2023-09-18 | Two-way knife gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220749082U (en) |
-
2023
- 2023-09-18 CN CN202322519376.0U patent/CN220749082U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |