CN218454966U - Butterfly valve convenient to overhaul - Google Patents
Butterfly valve convenient to overhaul Download PDFInfo
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- CN218454966U CN218454966U CN202123455030.6U CN202123455030U CN218454966U CN 218454966 U CN218454966 U CN 218454966U CN 202123455030 U CN202123455030 U CN 202123455030U CN 218454966 U CN218454966 U CN 218454966U
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Abstract
The utility model relates to the butterfly valve field, in particular to a butterfly valve convenient to overhaul, which comprises a valve body, a valve plate, a spring a, a blocking piece, a rotating rod and a limiting block; the inner wall of the valve body is provided with a through hole a and a groove a; the through hole a is rotatably provided with a rotating shaft b; a rotating shaft a is rotatably arranged in the groove a; a first baffle and a groove b are arranged on the outer end face of the rotating shaft a; a sliding block is arranged in the groove b in a sliding manner; two ends of the spring a are respectively connected with the inner wall of the groove b and the sliding block; the blocking piece is connected with the sliding block, the valve plate is connected with the blocking piece in a sliding mode, the valve plate is connected with the inner circumferential surface of the valve body in a sliding mode, and a groove c is formed in the end face of the valve plate; a second baffle is arranged on the end face of the rotating shaft b in the valve body, and a through hole b is formed in the rotating shaft b; the rotating rod penetrates through the through hole b and extends into the groove c; the rotating rod is connected with the inner wall of the groove c in a sliding manner through a limiting block; the rotating rod is provided with a fixing component. The utility model can be easily disassembled; the maintenance of the butterfly valve is more perfect.
Description
Technical Field
The utility model relates to a butterfly valve field specifically is and a butterfly valve convenient to overhaul.
Background
The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close; the butterfly valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved; but current butterfly valve can't dismantle and carry out the omnidirectional inspection, only can be through opening and closing the effect of inspection butterfly valve, overhauls not perfect enough like this.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides a butterfly valve convenient to overhaul.
The technical scheme of the utility model: a butterfly valve convenient to overhaul comprises a valve body, a valve plate, a rotating shaft a, a spring a, a blocking piece, a rotating rod, a limiting block and a rotating shaft b;
the inner wall of the valve body is provided with a through hole a and a groove a; the central axis of the groove a is superposed with the central axis of the through hole a;
the rotating shaft a is rotatably arranged in the groove a, and a first baffle and a groove b are arranged on the outer end face of the rotating shaft a; a sliding block is arranged in the groove b in a sliding manner; the spring a is positioned in the groove b, and two ends of the spring a are respectively connected with the inner wall of the groove b and the sliding block;
the blocking piece is connected with the sliding block, and a gap for mounting the valve plate is reserved between the blocking piece and the first baffle; the valve plate is connected with the blocking piece in a sliding mode, the valve plate is connected with the inner circumferential surface of the valve body in a sliding mode, and a groove c is formed in the end face of the valve plate; a plurality of limiting grooves are formed in the inner wall of the groove c;
the rotating shaft b is rotatably connected with the inner wall of the through hole a, a second baffle is arranged on the end face of the rotating shaft b in the valve body, and the through hole b is formed in the rotating shaft b;
a plurality of limiting blocks are connected to the outer peripheral surface of the rotating rod, and one end of the rotating rod penetrates through the through hole b and extends into the groove c; the limiting blocks are respectively connected with the limiting grooves in a sliding manner; the rotating rod is provided with a fixing component.
Preferably, the fixing component comprises a fixing plate, a first rotating shaft, a push plate, a transmission rod, a limiting piece, a moving block and a spring b;
the fixed plate is connected with the end face, far away from the valve plate, of the rotating rod, and a fifth groove is formed in the fixed plate; the moving block is connected with the inner wall of the fifth groove in a sliding manner; the spring b is positioned in the fifth groove, and two ends of the spring b are respectively connected with the inner wall of the fifth groove and the moving block;
the push plate is connected with the fixed plate in a sliding manner, the push plate is connected with the moving block, and the push plate is connected with the limiting piece through the transmission rod; a limiting groove for accommodating a limiting piece is formed in the peripheral surface of the rotating shaft b; the first rotating shaft is rotatably connected with the inner wall of the fifth groove, and a transmission plate is arranged on the first rotating shaft; the driving plate is connected with the push plate in a sliding way.
Preferably, the first rotating shaft is provided with a handle.
Preferably, the periphery of the fixing plate is fully provided with anti-skid grains.
Preferably, the device also comprises two groups of transmission blocks; two sets of driving blocks are connected with the two ends of the driving plate respectively, the two sets of driving blocks are connected with the push plate in a sliding mode, and the end faces, far away from each other, of the two sets of driving blocks are set to be curved surfaces.
Preferably, a first elastic layer is arranged on the end face, close to the valve plate, of the first baffle plate.
Preferably, a second elastic layer is arranged on the end face, close to the valve plate, of the second baffle plate.
Preferably, the barrier has a right-angled trapezoidal projection.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
in the utility model, the device can be installed by matching a plurality of groups of through holes a with screws; when the device needs to install the valve plate, the valve plate can be moved, the valve plate moves and extrudes the blocking piece, the blocking piece is extruded to move under the action of the sliding block and the spring a, and the blocking piece moves reversely under the action of the spring a and the sliding block after the valve plate passes through and fixes the valve plate together with the first baffle; the valve plate can be effectively positioned through the first baffle and the blocking piece; the rotating rod extends into the groove c and enters the limiting groove through the limiting block to mount the rotating rod and the valve plate; finally, the rotating rod is fixed through the fixing assembly; the device can be simply and conveniently disassembled, and can be conveniently and accurately installed after being disassembled; the butterfly valve is more convenient to overhaul, and the overhaul is more perfect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a partially enlarged schematic structural view of a portion a in fig. 2.
Reference numerals: 1. a valve body; 2. a valve plate; 3. a rotating shaft a; 4. a first baffle plate; 5. a spring a; 6. a slider; 7. a blocking member; 8. rotating the rod; 9. a limiting block; 10. a second baffle; 11. a rotating shaft b; 12. a fixing plate; 13. a drive plate; 14. a first rotating shaft; 15. pushing the plate; 16. a transmission rod; 17. and a limiting member.
Detailed Description
Example one
As shown in fig. 1-3, the butterfly valve convenient for maintenance provided by the present invention comprises a valve body 1, a valve plate 2, a rotation axis a3, a spring a5, a blocking member 7, a rotation rod 8, a limiting block 9 and a rotation axis b11;
the inner wall of the valve body 1 is provided with a through hole a and a groove a; the central axis of the groove a is superposed with the central axis of the through hole a, and the groove a and the through hole a are symmetrically distributed by taking the central axis of the valve body 1 as a center;
the rotating shaft a3 is rotatably arranged in the groove a, and a first baffle 4 and a groove b are arranged on the outer end face of the rotating shaft a 3; a sliding block 6 is arranged in the groove b in a sliding manner; the spring a5 is positioned in the groove b, and two ends of the spring a5 are respectively connected with the inner wall of the groove b and the sliding block 6;
the blocking piece 7 is connected with the sliding block 6, a gap for installing the valve plate 2 is reserved between the blocking piece 7 and the first baffle 4, and the projection shape of the blocking piece 7 is a right trapezoid; a first elastic layer is arranged on the end surface of the first baffle 4 close to the valve plate 2;
when the valve plate 2 is installed, the valve plate 2 is in sliding connection with the blocking piece 7, the valve plate 2 is in sliding connection with the inner circumferential surface of the valve body 1, and a groove c is formed in the end surface of the valve plate 2; a plurality of limiting grooves are formed in the inner wall of the groove c;
the rotating shaft b11 is rotatably connected with the inner wall of the through hole a, and a second baffle 10 is arranged on the end face, located in the valve body 1, of the rotating shaft b11; a second elastic layer is arranged on the end surface of the second baffle 10 close to the valve plate 2; a through hole b is formed in the rotating shaft b11;
a plurality of limiting blocks 9 are connected to the peripheral surface of the rotating rod 8, and one end of the rotating rod 8 penetrates through the through hole b and extends into the groove c; the limiting blocks 9 are respectively connected with the limiting grooves in a sliding manner; a fixed component is arranged on the rotating rod 8;
furthermore, the inner wall of the through hole b is also provided with a limit groove corresponding to the inner wall of the groove c.
Example two
As shown in fig. 1-2, compared with the first embodiment, the embodiment of the butterfly valve convenient for maintenance of the present invention further discloses a specific structure of the fixing component; the fixing component comprises a fixing plate 12, a first rotating shaft 14, a push plate 15, a transmission rod 16, a limiting piece 17, a moving block and a spring b;
the fixed plate 12 is connected with the end face, far away from the valve plate 2, of the rotating rod 8, anti-skid grains are fully arranged on the periphery of the fixed plate 12, and a fifth groove is formed in the fixed plate 12; the moving block is connected with the inner wall of the fifth groove in a sliding manner; the spring b is positioned in the fifth groove, and two ends of the spring b are respectively connected with the inner wall of the fifth groove and the moving block;
the push plate 15 is connected with the fixed plate 12 in a sliding manner, the push plate 15 is connected with the moving block, and the push plate 15 is connected with the limiting piece 17 through the transmission rod 16; a limiting groove for accommodating the limiting piece 17 is formed in the outer peripheral surface of the rotating shaft b11; the first rotating shaft 14 is rotatably connected with the inner wall of the fifth groove, and a transmission plate 13 is arranged on the first rotating shaft 14; the driving plate 13 is connected with the push plate 15 in a sliding way, and a handle is arranged on the first rotating shaft 14.
EXAMPLE III
Compared with the second embodiment, the butterfly valve convenient to maintain provided by the utility model further comprises two sets of transmission blocks; two sets of driving blocks are connected with the both ends of driving plate 13 respectively, and two sets of driving blocks all with push pedal 15 sliding connection, the terminal surface that two sets of driving blocks kept away from each other all establishes to the curved surface.
To sum up, in the utility model, the device can be installed by matching a plurality of groups of through holes a with screws; when the device needs to install the valve plate 2, the valve plate 2 can be moved, the valve plate 2 moves and extrudes the blocking piece 7, the blocking piece 7 is extruded to move under the action of the sliding block 6 and the spring a5, and the blocking piece 7 moves in the reverse direction under the action of the spring a5 and the sliding block 6 after the valve plate 2 passes through and fixes the valve plate 2 together with the first baffle 4; the valve plate 2 can be effectively positioned through the first baffle 4 and the blocking piece 7; the rotating rod 8 extends into the groove c and enters the limiting groove through the limiting block 9 to mount the rotating rod 8 and the valve plate 2; finally, the rotating rod 8 is fixed through a fixing component; the device can be simply and conveniently disassembled, and can be conveniently and accurately installed after being disassembled; the butterfly valve is more convenient to overhaul, and the overhaul is more perfect.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (8)
1. A butterfly valve convenient to overhaul is characterized by comprising a valve body (1), a valve plate (2), a rotating shaft a (3), a spring a (5), a blocking piece (7), a rotating rod (8), a limiting block (9) and a rotating shaft b (11);
the inner wall of the valve body (1) is provided with a through hole a and a groove a; the central axis of the groove a is superposed with the central axis of the through hole a;
the rotating shaft a (3) is rotatably arranged in the groove a, and a first baffle (4) and a groove b are arranged on the outer end face of the rotating shaft a (3); a sliding block (6) is arranged in the groove b in a sliding way; the spring a (5) is positioned in the groove b, and two ends of the spring a (5) are respectively connected with the inner wall of the groove b and the sliding block (6);
the blocking piece (7) is connected with the sliding block (6), and a gap for mounting the valve plate (2) is reserved between the blocking piece (7) and the first baffle (4); the valve plate (2) is connected with the blocking piece (7) in a sliding mode, the valve plate (2) is connected with the inner circumferential surface of the valve body (1) in a sliding mode, and a groove c is formed in the end face of the valve plate (2); a plurality of limiting grooves are formed in the inner wall of the groove c;
a rotating shaft b (11) is rotatably connected with the inner wall of the through hole a, a second baffle (10) is arranged on the end face, located in the valve body (1), of the rotating shaft b (11), and a through hole b is arranged on the rotating shaft b (11);
a plurality of limiting blocks (9) are connected to the peripheral surface of the rotating rod (8), and one end of the rotating rod (8) penetrates through the through hole b and extends into the groove c; the limiting blocks (9) are respectively connected with the limiting grooves in a sliding manner; a fixed component is arranged on the rotating rod (8).
2. The butterfly valve convenient for maintenance according to claim 1, wherein the fixing component comprises a fixing plate (12), a first rotating shaft (14), a push plate (15), a transmission rod (16), a limiting piece (17), a moving block and a spring b;
the fixed plate (12) is connected with the end face, far away from the valve plate (2), of the rotating rod (8), and a fifth groove is formed in the fixed plate (12); the moving block is connected with the inner wall of the fifth groove in a sliding manner; the spring b is positioned in the fifth groove, and two ends of the spring b are respectively connected with the inner wall of the fifth groove and the moving block;
the push plate (15) is connected with the fixed plate (12) in a sliding manner, the push plate (15) is connected with the moving block, and the push plate (15) is connected with the limiting piece (17) through the transmission rod (16); a limiting groove for accommodating a limiting piece (17) is formed in the peripheral surface of the rotating shaft b (11); the first rotating shaft (14) is rotatably connected with the inner wall of the fifth groove, and a transmission plate (13) is arranged on the first rotating shaft (14); the driving plate (13) is connected with the push plate (15) in a sliding way.
3. An easy-to-service butterfly valve according to claim 2, characterised in that the first shaft (14) is provided with a handle.
4. An easy-to-service butterfly valve according to claim 2, characterised in that the fixing plate (12) is provided with anti-slip threads around its periphery.
5. The butterfly valve easy to service of claim 2, further comprising two sets of drive blocks; two sets of driving blocks are connected with the two ends of the driving plate (13) respectively, the two sets of driving blocks are connected with the push plate (15) in a sliding mode, and the end faces, far away from each other, of the two sets of driving blocks are set to be curved surfaces.
6. An easy-to-service butterfly valve according to claim 1, characterised in that the first baffle (4) is provided with a first resilient layer on its end face adjacent to the valve plate (2).
7. An easy-to-service butterfly valve according to claim 1, characterised in that the second baffle (10) is provided with a second elastic layer on its end face close to the valve plate (2).
8. An easy-to-service butterfly valve according to claim 1, characterised in that the barrier (7) has a right-angled trapezoidal projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455030.6U CN218454966U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455030.6U CN218454966U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218454966U true CN218454966U (en) | 2023-02-07 |
Family
ID=85123855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123455030.6U Active CN218454966U (en) | 2021-12-31 | 2021-12-31 | Butterfly valve convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218454966U (en) |
-
2021
- 2021-12-31 CN CN202123455030.6U patent/CN218454966U/en active Active
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