CN219734326U - Rotary valve assembly of vacuum extractor - Google Patents
Rotary valve assembly of vacuum extractor Download PDFInfo
- Publication number
- CN219734326U CN219734326U CN202320578464.5U CN202320578464U CN219734326U CN 219734326 U CN219734326 U CN 219734326U CN 202320578464 U CN202320578464 U CN 202320578464U CN 219734326 U CN219734326 U CN 219734326U
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- Prior art keywords
- rotary valve
- wall
- top shell
- spring
- shell
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- 241000237983 Trochidae Species 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 12
- 238000005381 potential energy Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to the technical field of vacuum sealing, in particular to a rotary valve assembly of a vacuum extractor, which comprises a rotary valve top shell, wherein an adjusting mechanism is arranged on the inner wall of the rotary valve top shell, a rotary valve bottom shell is attached to the bottom of the rotary valve top shell, a bolt is connected with the inner wall of the rotary valve top shell through threads, the outer wall of the bolt is connected with the inner wall of the rotary valve bottom shell through threads, and a nut is connected with the outer wall of the bolt through threads. Through driving the threaded rod and rotating when the spring force weakens, the threaded rod drives the sliding frame to remove, and the sliding frame drives the slide bar and removes, and the slide bar compresses the spring, and the spring receives elasticity potential energy increase after the compression, can drive sealing rubber and reset to can carry out the shutoff to the vacuum dehydration machine, need not change the rotary valve subassembly, thereby promoted the life of rotary valve subassembly.
Description
Technical Field
The utility model relates to the technical field of vacuum sealing, in particular to a rotary valve assembly of a vacuumizing dehydrator.
Background
The flow of the gas in the vacuum system pipeline can be classified into turbulence, viscous flow, transition flow, molecular flow and the like, and in order to prevent the vacuum dehydrator from being flattened by the air pressure under the condition of negative pressure in the vacuum dehydrator, a vacuum switching valve needs to be arranged to solve the problems.
For example, the authorized bulletin number CN215045409U is named as a vacuumizing device and a vacuum switching valve thereof, although the vacuum tightness of the vacuum valve is improved, the defect that a traditional corrugated pipe cannot be repaired after being damaged is overcome, maintenance and repair are convenient, but the existing vacuum dehydrator switching valve assembly still exists in the use process, when the inside of the vacuum dehydrator is in a negative pressure state, the rubber pad in the vacuum dehydrator switching valve assembly is pushed to move by atmospheric pressure, the rubber pad is not used for plugging the vacuum dehydrator any more, the internal and external air pressures of the vacuum dehydrator are the same, the vacuum dehydrator is prevented from being damaged, after water flows into the inside of the vacuum dehydrator, the rubber pad is helped to be reset to plug the vacuum dehydrator by a spring, the long-term use elasticity of the spring is weakened, so that the vacuum dehydrator cannot be plugged, the switching valve assembly needs to be replaced, and the service life of the switching valve assembly is reduced.
Disclosure of Invention
The utility model aims to solve the problems that the elasticity of a spring is weakened after long-term use, so that a vacuum dehydrator cannot be plugged, and a rotary valve assembly needs to be replaced, so that the service life of the rotary valve assembly is shortened, and the rotary valve assembly of the vacuumizing dehydrator is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the rotary valve assembly of the vacuumizing dehydrator comprises a rotary valve top shell, an adjusting mechanism is arranged on the inner wall of the rotary valve top shell, a rotary valve bottom shell is attached to the bottom of the rotary valve top shell, a bolt is connected with the inner wall thread of the rotary valve top shell, the outer wall of the bolt is connected with the inner wall thread of the rotary valve bottom shell, and a nut is connected with the outer wall thread of the bolt.
Preferably, the adjusting mechanism comprises a threaded rod, a sliding frame, a sliding rod, a circular plate, a spring and sealing rubber;
the outer wall of threaded rod and the inner wall screw thread of change valve top shell meet, the one end of threaded rod rotates with the top of sliding frame and links to each other, the inner wall of sliding frame and the outer wall slip joint of slide bar, the outer wall of slide bar cup joints with the inner wall of spring mutually, the one end of slide bar and the bottom looks rigid coupling of plectane, the one end of spring is laminated mutually with the inboard of sliding frame, the one end of spring is laminated mutually with one side of sealing rubber pad, the one end of slide bar is fixedly connected mutually with sealing rubber pad's bottom, sealing rubber pad's top is laminated mutually with the inner wall of change valve top shell.
Preferably, the bottom of the nut is attached to the bottom of the rotary valve bottom shell, and one side of the rotary valve bottom shell is communicated with an exhaust valve.
Preferably, the inner wall of the exhaust valve is slidably clamped with a connecting rod, and one end of the connecting rod is fixedly connected with a floating block.
Preferably, one end of the connecting rod is fixedly connected with a plugging block, and the outer wall of the plugging block is in sliding clamping connection with the inner wall of the exhaust valve.
The rotary valve assembly of the vacuumizing dehydrator has the beneficial effects that: through driving the threaded rod and rotating when the spring force weakens, the threaded rod drives the sliding frame to remove, and the sliding frame drives the slide bar and removes, and the slide bar compresses the spring, and the spring receives elasticity potential energy increase after the compression, can drive sealing rubber and reset to can carry out the shutoff to the vacuum dehydration machine, need not change the rotary valve subassembly, thereby promoted the life of rotary valve subassembly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the threaded rod, the sliding frame and the sliding rod in FIG. 1;
FIG. 3 is a schematic view of the floating block, connecting rod and plugging block in FIG. 1;
fig. 4 is an enlarged schematic view of the portion a in fig. 1.
In the figure: 1. the rotary valve top shell comprises 2 parts of a rotary valve top shell, 2 parts of an adjusting mechanism, 201 parts of a threaded rod, 202 parts of a sliding frame, 203 parts of a sliding rod, 204 parts of a circular plate, 205 parts of a spring, 206 parts of sealing rubber, 2a1 parts of an air vent, 3 parts of a rotary valve bottom shell, 4 parts of an exhaust valve, 5 parts of a floating block, 6 parts of a connecting rod, 7 parts of a plugging block, 8 parts of a bolt, 9 parts of a nut.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-4: in this embodiment 1, a vacuum extractor changes valve subassembly, including changeing valve top shell 1, the inner wall that changes valve top shell 1 is equipped with adjustment mechanism 2, adjustment mechanism 2 adjusts the elasticity of spring 205, it has changeing valve drain pan 3 to change valve top shell 1 to laminate in the bottom of changeing valve top shell 1, it supports to change valve drain pan 3, it has bolt 8 to change valve top shell 1 to change the inner wall screw thread of valve top shell 1 to meet, it is spacing to change valve top shell 1 to the bolt 8, the outer wall of bolt 8 meets with the inner wall screw thread of changeing valve drain pan 3, bolt 8 is in the same place changeing valve top shell 1 and changeing valve drain pan 3, the outer wall screw thread of bolt 8 meets has nut 9, nut 9 consolidates bolt 8.
The adjusting mechanism 2 comprises a threaded rod 201, a sliding frame 202, a sliding rod 203, a circular plate 204, a spring 205 and sealing rubber 206, wherein the outer wall of the threaded rod 201 is in threaded connection with the inner wall of the rotary valve top shell 1, the rotary valve top shell 1 limits the threaded rod 201, one end of the threaded rod 201 is rotationally connected with the top of the sliding frame 202, the threaded rod 201 drives the sliding frame 202 to move, the inner wall of the sliding frame 202 is in sliding clamping connection with the outer wall of the sliding rod 203, the sliding frame 202 limits the sliding rod 203, the outer wall of the sliding rod 203 is in sleeved connection with the inner wall of the spring 205, the sliding rod 203 limits the spring 205, one end of the sliding rod 203 is fixedly connected with the bottom of the circular plate 204, the circular plate 204 limits the sliding rod 203, one end of the spring 205 is in fit with the inner side of the sliding frame 202, one end of the spring 205 is in fit with one side of the sealing rubber 206, the spring 205 helps the sealing rubber 206 to reset, one end of the sliding rod 203 is fixedly connected with the bottom of the sealing rubber 206, the sliding rod 203 drives the sealing rubber 206 to move, the top of the sealing rubber 206 is in fit with the inner wall of the rotary valve top shell 1, and the sealing rubber 206 is sealed against the rotary valve top shell 1.
When the elasticity of the spring 205 weakens, the threaded rod 201 is driven to rotate, the threaded rod 201 drives the sliding frame 202 to move, the sliding frame 202 drives the sliding rod 203 to move, the sliding rod 203 compresses the spring 205, the elastic potential energy of the spring 205 after being compressed is increased, and the sealing rubber 206 can be driven to reset, so that the vacuum dehydrator can be plugged, the rotary valve assembly is not required to be replaced, and the service life of the rotary valve assembly is prolonged.
The bottom of nut 9 laminates with the bottom of change valve drain pan 3 mutually, and the one side intercommunication of change valve drain pan 3 has discharge valve 4, and discharge valve 4 is to the inside air of change valve subassembly outwards discharges, and discharge valve 4's inner wall slip joint has connecting rod 6, and discharge valve 4 is spacing to connecting rod 6, and the one end rigid coupling of connecting rod 6 has floating block 5, and floating block 5 drives connecting rod 6 and removes, and the one end rigid coupling of connecting rod 6 has shutoff piece 7, and connecting rod 6 drives shutoff piece 7 and removes, the outer wall of shutoff piece 7 and the inner wall slip joint of discharge valve 4, and discharge valve 4 seals shutoff piece 7.
Working principle:
when the negative pressure state occurs in the vacuum dehydrator, the external air pressure pushes the sealing phase 206 to move, the sealing rubber 206 compresses the spring 205, air enters the vacuum dehydrator after the sealing rubber is opened, the air pressure inside and outside the vacuum dehydrator is the same, the sealing rubber 206 is assisted to reset by the spring 205 in a compressed state, the sealing rubber 206 seals the rotary valve assembly, when the elastic force of the spring 205 is weakened, the threaded rod 201 is driven to rotate, the threaded rod 201 drives the sliding frame 202 to move, the sliding frame 202 drives the sliding rod 203 to move, the sliding rod 203 compresses the spring 205, the elastic potential energy of the spring 205 is increased after being compressed, the sealing rubber 206 can be driven to reset, the vacuum dehydrator can be blocked, the rotary valve assembly is not required to be replaced, the service life of the rotary valve assembly is prolonged, after water flows into the rotary valve assembly, the water flow drives the connecting rod 6 on the floating block 5 to move, the connecting rod 6 drives the blocking block 7 to move, the top of the exhaust valve 4 is not blocked by the blocking block 7, and gas inside the rotary valve assembly is discharged outwards.
Example 2:
referring to fig. 2, the present utility model provides a technical solution: the rotary valve assembly of the vacuumizing dehydrator, the regulating mechanism 2 can also comprise a vent port 2a1, the vent port 2a1 is processed on the inner wall of the rotary valve top shell 1, and the vent port 2a1 facilitates the gas to enter the rotary valve assembly;
the vent 2a1 facilitates the entry of gas into the interior of the rotary valve assembly, which pushes the sealing rubber 206 to move so that the pressure inside the rotary valve assembly is the same as the external pressure.
Working principle:
the vent 2a1 facilitates the entry of gas into the interior of the rotary valve assembly, which pushes the sealing rubber 206 to move so that the pressure inside the rotary valve assembly is the same as the external pressure.
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 (5)
1. The utility model provides an evacuation hydroextractor rotary valve subassembly, includes rotary valve top shell (1), its characterized in that: the inner wall of the rotary valve top shell (1) is provided with an adjusting mechanism (2), the bottom of the rotary valve top shell (1) is attached with a rotary valve bottom shell (3), the inner wall thread of the rotary valve top shell (1) is connected with a bolt (8), the outer wall of the bolt (8) is connected with the inner wall thread of the rotary valve bottom shell (3), and the outer wall thread of the bolt (8) is connected with a nut (9).
2. The evacuation dehydrator rotary valve assembly of claim 1, wherein: the adjusting mechanism (2) comprises a threaded rod (201), a sliding frame (202), a sliding rod (203), a circular plate (204), a spring (205) and a sealing rubber pad (206);
the outer wall of threaded rod (201) and the inner wall screw thread of changeing valve top shell (1) meet, the one end of threaded rod (201) rotates with the top of sliding frame (202) and links to each other, the outer wall slip joint of sliding frame (202) and slide bar (203), the outer wall of slide bar (203) cup joints with the inner wall of spring (205) mutually, the one end of slide bar (203) is fixedly connected with the bottom of plectane (204), the one end of spring (205) is laminated with the inboard of sliding frame (202) mutually, the one end of spring (205) is laminated with one side of sealing rubber pad (206), the one end of slide bar (203) is fixedly connected with the bottom of sealing rubber pad (206) mutually, the top of sealing rubber pad (206) is laminated with the inner wall of changeing valve top shell (1) mutually.
3. The evacuation dehydrator rotary valve assembly of claim 1, wherein: the bottom of the nut (9) is attached to the bottom of the rotary valve bottom shell (3), and one side of the rotary valve bottom shell (3) is communicated with an exhaust valve (4).
4. A rotary valve assembly for a vacuum extractor as defined in claim 3, wherein: the inner wall sliding joint of discharge valve (4) has connecting rod (6), the one end rigid coupling of connecting rod (6) has floating block (5).
5. The rotary valve assembly of a vacuum extractor of claim 4 wherein: one end of the connecting rod (6) is fixedly connected with a blocking block (7), and the outer wall of the blocking block (7) is in sliding clamping connection with the inner wall of the exhaust valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578464.5U CN219734326U (en) | 2023-03-21 | 2023-03-21 | Rotary valve assembly of vacuum extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320578464.5U CN219734326U (en) | 2023-03-21 | 2023-03-21 | Rotary valve assembly of vacuum extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734326U true CN219734326U (en) | 2023-09-22 |
Family
ID=88032713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320578464.5U Active CN219734326U (en) | 2023-03-21 | 2023-03-21 | Rotary valve assembly of vacuum extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734326U (en) |
-
2023
- 2023-03-21 CN CN202320578464.5U patent/CN219734326U/en active Active
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