CN219549742U - Reversing valve for fast switching of air pipeline - Google Patents
Reversing valve for fast switching of air pipeline Download PDFInfo
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- CN219549742U CN219549742U CN202320384456.7U CN202320384456U CN219549742U CN 219549742 U CN219549742 U CN 219549742U CN 202320384456 U CN202320384456 U CN 202320384456U CN 219549742 U CN219549742 U CN 219549742U
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- driving cylinder
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- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
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Abstract
The utility model provides a reversing valve for rapidly switching an air pipeline, which belongs to the technical field of air pipeline valves and aims to solve the problems that a gate valve is complex to install and the condition of gas leakage is increased due to the increase of connecting flanges on the premise that the air quantity is large when the existing air pipeline is reversed, and the reversing valve comprises a valve body, a door leaf of an inlet hole, a switching driving cylinder, a rapid switching mechanism and a reversing valve cover; the entrance door leaf is fixedly connected to the front end of the valve body; the switching driving cylinder is hinged to the right side of the front of the valve body; the rapid switching mechanism is arranged at the upper end of the front right side of the valve body; the reversing valve cover is rotationally connected in the valve body, so that the combination of the whole device and the existing gas pipe body is facilitated, the application range of the whole device is improved, the maintenance of the internal structure of the valve body is facilitated, the quick reversing function is realized, the probability of valve gas leakage is reduced, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of air pipeline valves, and particularly relates to a reversing valve for rapidly switching an air pipeline.
Background
High-concentration VOC can be generated in a gluing production line and then enter a recovery system, and the high-concentration VOC is generally transported through air pipelines, and most of the air pipelines are subjected to air pipeline reversing by using a three-way butterfly valve or a gate valve at present.
The prior application number is: the control element of the CN86108885 three-position five-way reversing valve consists of two control valve cores. The first valve element controls air intake of the first end part of the cylinder and air exhaust of the second end part of the cylinder; the second valve spool controls intake air at the second end of the cylinder and exhaust air at the first end of the cylinder. The reversing valve has minimum control air clearance space when closing zero positions of all medium joints, compact structure and control action speed
Based on the above, under the prerequisite that the amount of wind is big when current air conduit switching-over, because the pipeline diameter grow, oversized latus rectum butterfly valve cost is higher, generally uses the flashboard valve, but when the superimposed condition of flashboard valve and tee bend appears, the installation is complicated, and because flange increases, has increased the condition of gas leakage.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a reversing valve for rapidly switching an air pipeline, which solves the problems that when the existing air pipeline is reversed, on the premise of large air quantity, the diameter of the pipeline is enlarged, the cost of an oversized drift diameter butterfly valve is higher, a gate valve is generally used, but when the gate valve and a tee joint are overlapped, the installation is complex, and the condition of gas leakage is increased due to the increase of connecting flanges.
The utility model discloses a reversing valve for rapidly switching an air pipeline, which is characterized by comprising the following specific technical means:
a reversing valve for rapidly switching an air pipeline comprises a valve body, an access door leaf, a switching driving cylinder, a rapid switching mechanism and a reversing valve cover;
the entrance door leaf is fixedly connected to the front end of the valve body;
the switching driving cylinder is hinged to the right side of the front of the valve body;
the rapid switching mechanism is arranged at the upper end of the front right side of the valve body;
the reversing valve cover is rotatably connected to the inside of the valve body.
Further, the valve body includes: the first connecting end and the second connecting end;
the first connecting end is welded and connected above the valve body, and is provided with a flange connector structure;
the second connecting end is welded and connected to the right side of the valve body, and the second connecting end is provided with a flange connector structure.
Further, the access door leaf includes: installing a bolt;
the installation bolts are provided with a plurality of groups, the plurality of groups of installation bolts are respectively connected to the front of the entrance door leaf in a threaded mode, and sealing gaskets are arranged at the connection positions of the entrance door leaf and the valve body.
Further, the switching driving cylinder includes: a mounting base;
the installation base fixed connection is on the place ahead right side of valve body to the top of installation base is provided with the pivot structure, and the upper end of installation base is articulated with the lower extreme of switching drive cylinder.
Further, the quick switching mechanism comprises: the device comprises a first switching swing rod, a switching transmission shaft, a second switching swing rod and a limiting rod;
the first switching swing rod is hinged above a piston rod of the switching driving cylinder;
the switching transmission shaft is rotatably connected to the upper right side of the valve body, and the upper end of the first switching swing rod is fixedly connected to the periphery of the switching transmission shaft;
the lower end of the second switching swing rod is fixedly connected to the periphery of the switching transmission shaft;
the limiting rod is rotationally connected to the upper end of the right side in front of the valve body, and the other end of the limiting rod is rotationally connected with the upper end of the second switching swing rod.
Further, the reversing valve cover comprises: a reversing connecting rod;
the reversing connecting rods are arranged in two groups, the right ends of the two groups of reversing connecting rods are fixedly connected to the periphery of the switching transmission shaft, and the left ends of the two groups of reversing connecting rods are respectively and fixedly connected to the two sides of the reversing valve cover.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the second connecting end, when the three-way valve is required to be arranged on the existing pipeline, the whole device is combined with the existing pipeline, and at the moment, the first connecting end, the second connecting end and the valve body jointly form the three-way valve structure, so that the combination of the whole device and the existing gas pipe body is facilitated, and the application range of the whole device is improved.
According to the utility model, through the arrangement of the access door leaf, when the interior of the valve body is damaged, the access door leaf can be opened to maintain the internal structure of the valve body.
According to the utility model, through the arrangement of the quick switching mechanism, when the reversing of the air valve is needed, the switching driving cylinder is opened at the moment, the piston rod of the switching driving cylinder is opened by the switching driving cylinder to move upwards, the switching driving cylinder moves upwards to drive the first switching swing rod to swing, the first switching swing rod swings to drive the switching transmission shaft to rotate, the switching transmission shaft rotates to drive the second switching swing rod to rotate, and the air reversing function is realized when the second switching swing rod rotates to a position where the second switching swing rod and the limiting rod are in a straight line.
The utility model facilitates the combination of the whole device and the existing gas pipe body, improves the application range of the whole device, facilitates the maintenance of the internal structure of the valve body, realizes the quick reversing function, reduces the probability of valve leakage and reduces the cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the fast switching mechanism of the present utility model.
Fig. 3 is a schematic diagram of a switching transmission shaft structure of the present utility model.
Fig. 4 is a schematic diagram of the reversing connecting rod structure of the utility model.
Fig. 5 is a schematic diagram of the reversing valve cover structure of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a valve body; 101. a first connection end; 102. a second connection end; 2. entering the door leaf; 201. installing a bolt; 3. switching a driving cylinder; 301. a mounting base; 4. a fast switching mechanism; 401. a first switching swing rod; 402. switching a transmission shaft; 403. a second switching swing rod; 404. a limit rod; 5. a reversing valve cover; 501. and a reversing connecting rod.
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Detailed Description
As shown in fig. 1 to 5:
the utility model provides a reversing valve for rapidly switching an air pipeline, which comprises a valve body 1, an access door leaf 2, a switching driving cylinder 3, a rapid switching mechanism 4 and a reversing valve cover 5;
the entrance door leaf 2 is fixedly connected to the front end of the valve body 1;
the switching driving cylinder 3 is hinged to the right side in front of the valve body 1;
the quick switching mechanism 4 is arranged at the upper end of the front right side of the valve body 1;
the reversing valve cover 5 is rotatably connected to the inside of the valve body 1.
Wherein, valve body 1 includes: a first connection terminal 101 and a second connection terminal 102;
the first connecting end 101 is welded and connected above the valve body 1, and the first connecting end 101 is provided with a flange connector structure;
the second connection end 102 is welded to the right side of the valve body 1, and the second connection end 102 is provided with a flange connector structure, in use, the first connection end 101, the second connection end 102 and the valve body 1 together form a three-way valve structure.
Wherein, the manhole door leaf 2 comprises: a mounting bolt 201;
the installation bolts 201 are provided with a plurality of groups, the plurality of groups of installation bolts 201 are respectively connected with the front of the access door leaf 2 in a threaded manner, and the connection position of the access door leaf 2 and the valve body 1 is provided with a sealing gasket, when the interior of the valve body 1 is damaged in use, the maintenance of the internal structure of the valve body 1 can be realized by opening the access door leaf 2.
Wherein, switch drive cylinder 3 includes: a mounting base 301;
the mounting base 301 is fixedly connected to the right side of the front of the valve body 1, and a rotating shaft structure is arranged above the mounting base 301, the upper end of the mounting base 301 is hinged with the lower end of the switching driving cylinder 3, and in use, the mounting base 301 enables the switching driving cylinder 3 to rotate around the rotating shaft of the mounting base 301.
Wherein, quick switching mechanism 4 includes: the device comprises a first switching swing rod 401, a switching transmission shaft 402, a second switching swing rod 403 and a limiting rod 404;
the first switching swing rod 401 is hinged above the piston rod of the switching driving cylinder 3;
the switching transmission shaft 402 is rotatably connected to the upper right side inside the valve body 1, and the upper end of the first switching swing rod 401 is fixedly connected to the outer periphery of the switching transmission shaft 402;
the lower end of the second switching swing rod 403 is fixedly connected to the periphery of the switching transmission shaft 402;
the stop lever 404 is rotatably connected to the upper end of the right front side of the valve body 1, and the other end of the stop lever 404 is rotatably connected to the upper end of the second switching swing rod 403, when the reversing of the air valve is needed, the switching driving cylinder 3 is opened at this time, the piston rod of the switching driving cylinder 3 is opened by the switching driving cylinder 3 and moves upwards, the switching driving cylinder 3 moves upwards to drive the first switching swing rod 401 to swing, the first switching swing rod 401 swings to drive the switching transmission shaft 402 to rotate, the switching transmission shaft 402 rotates to drive the second switching swing rod 403 to rotate, and the air reversing function is realized at this time when the second switching swing rod 403 rotates to be in a straight line with the stop lever 404.
Wherein, reversing valve gap 5 includes: a reversing connecting rod 501;
the reversing connecting rods 501 are provided with two groups, the right ends of the two groups of reversing connecting rods 501 are fixedly connected to the periphery of the reversing transmission shaft 402, the left ends of the two groups of reversing connecting rods 501 are fixedly connected to two sides of the reversing valve cover 5, in use, when reversing of an air valve is needed, the reversing driving cylinder 3 is opened, the piston rod of the reversing driving cylinder 3 is opened by the reversing driving cylinder 3 to move upwards, the reversing driving cylinder 3 moves upwards to drive the first reversing swing rod 401 to swing, the first reversing swing rod 401 swings to drive the reversing transmission shaft 402 to rotate, the reversing transmission shaft 402 rotates to drive the second reversing swing rod 403 to rotate, the reversing transmission shaft 402 rotates to drive the reversing connecting rod 501 to rotate when the second reversing swing rod 403 rotates to be in a straight line with the limiting rod 404, the reversing connecting rod 501 rotates to drive the reversing valve cover 5 to rotate to realize a reversing function, when air circulation reversing is needed again, the reversing driving cylinder 3 is closed, and the reversing valve cover 5 is reset under the action of dead weight.
Specific use and action of the embodiment:
first, when a three-way valve is required to be provided for an existing pipeline, the whole device is combined with the existing pipeline, and at this time, the first connection end 101, the second connection end 102 and the valve body 1 together form a three-way valve structure.
Then, when the reversing of the air valve is needed, the switching driving cylinder 3 is opened at the moment, the piston rod of the switching driving cylinder 3 is opened by the switching driving cylinder 3 to move upwards, the switching driving cylinder 3 moves upwards to drive the first switching swing rod 401 to swing, the first switching swing rod 401 swings to drive the switching transmission shaft 402 to rotate, the switching transmission shaft 402 rotates to drive the second switching swing rod 403 to rotate, the switching transmission shaft 403 stops when the second switching swing rod 403 rotates to the position-limiting rod 404 to be in a straight line, meanwhile, the switching transmission shaft 402 rotates to drive the reversing connecting rod 501 to rotate, the reversing connecting rod 501 rotates to drive the reversing valve cover 5 to rotate, the reversing valve cover 5 rotates to realize the reversing function, when the air circulation reversing is needed again, the switching driving cylinder 3 is closed at the moment, and the switching driving cylinder 3 closes the reversing valve cover 5 to reset under the action of dead weight.
Claims (6)
1. A reversing valve for air duct fast switching, characterized in that: comprises a valve body (1), an entrance door leaf (2), a switching driving cylinder (3), a quick switching mechanism (4) and a reversing valve cover (5); the entrance door leaf (2) is fixedly connected to the front end of the valve body (1); the switching driving cylinder (3) is hinged to the right side in front of the valve body (1); the rapid switching mechanism (4) is arranged at the upper end of the front right side of the valve body (1); the reversing valve cover (5) is rotatably connected to the inside of the valve body (1).
2. A reversing valve for air duct quick switching as set forth in claim 1, wherein: the valve body (1) comprises: a first connection end (101) and a second connection end (102); the first connecting end (101) is welded and connected above the valve body (1), and the first connecting end (101) is provided with a flange connector structure; the second connecting end (102) is welded and connected to the right side of the valve body (1), and the second connecting end (102) is provided with a flange connector structure.
3. A reversing valve for air duct quick switching as set forth in claim 1, wherein: the entrance door leaf (2) comprises: a mounting bolt (201); the installation bolts (201) are provided with a plurality of groups, the plurality of groups of installation bolts (201) are respectively connected to the front of the entrance door leaf (2) in a threaded mode, and sealing gaskets are arranged at the connection positions of the entrance door leaf (2) and the valve body (1).
4. A reversing valve for air duct quick switching as set forth in claim 1, wherein: the switching driving cylinder (3) comprises: a mounting base (301); the installation base (301) is fixedly connected to the right side in front of the valve body (1), a rotating shaft structure is arranged above the installation base (301), and the upper end of the installation base (301) is hinged to the lower end of the switching driving cylinder (3).
5. A reversing valve for air duct quick switching as set forth in claim 1, wherein: the quick switching mechanism (4) comprises: the device comprises a first switching swing rod (401), a switching transmission shaft (402), a second switching swing rod (403) and a limiting rod (404); the first switching swing rod (401) is hinged above a piston rod of the switching driving cylinder (3); the switching transmission shaft (402) is rotatably connected above the right side inside the valve body (1), and the upper end of the first switching swing rod (401) is fixedly connected to the periphery of the switching transmission shaft (402); the lower end of the second switching swing rod (403) is fixedly connected to the periphery of the switching transmission shaft (402); the limiting rod (404) is rotatably connected to the upper end of the front right side of the valve body (1), and the other end of the limiting rod (404) is rotatably connected with the upper end of the second switching swing rod (403).
6. A reversing valve for air duct quick switching as set forth in claim 5, wherein: the reversing valve cover (5) comprises: a reversing connecting rod (501); the reversing connecting rods (501) are arranged in two groups, the right ends of the two groups of reversing connecting rods (501) are fixedly connected to the periphery of the switching transmission shaft (402), and the left ends of the two groups of reversing connecting rods (501) are respectively and fixedly connected to the two sides of the reversing valve cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320384456.7U CN219549742U (en) | 2023-03-04 | 2023-03-04 | Reversing valve for fast switching of air pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320384456.7U CN219549742U (en) | 2023-03-04 | 2023-03-04 | Reversing valve for fast switching of air pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549742U true CN219549742U (en) | 2023-08-18 |
Family
ID=87701132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320384456.7U Active CN219549742U (en) | 2023-03-04 | 2023-03-04 | Reversing valve for fast switching of air pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549742U (en) |
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2023
- 2023-03-04 CN CN202320384456.7U patent/CN219549742U/en active Active
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