CN218408545U - Eccentric butterfly valve with detachable sealing structure - Google Patents
Eccentric butterfly valve with detachable sealing structure Download PDFInfo
- Publication number
- CN218408545U CN218408545U CN202222243480.7U CN202222243480U CN218408545U CN 218408545 U CN218408545 U CN 218408545U CN 202222243480 U CN202222243480 U CN 202222243480U CN 218408545 U CN218408545 U CN 218408545U
- Authority
- CN
- China
- Prior art keywords
- groove
- valve body
- butterfly valve
- connecting box
- axostylus axostyle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses an eccentric butterfly valve with detachable seal structure, which comprises a valve body, the connecting box is installed to the upper end of valve body, the upper end of connecting box is equipped with the case lid, the inside of connecting box is equipped with the axostylus axostyle, the connecting box is linked together through logical groove and valve body, the axostylus axostyle runs through logical groove and connects through sealing mechanism, be equipped with the butterfly plate in the valve body, install the disk seat in the valve body, the butterfly plate is located the disk seat, just fixedly connected with installing frame on the butterfly plate, the axostylus axostyle is connected with the installing frame through the screw, the worm wheel is installed to the upper end of axostylus axostyle, be equipped with drive worm wheel pivoted actuating mechanism on the connecting box. The utility model discloses it is convenient to dismantle rubber seal, sealing ring and change, and realizes double seal through rubber seal, sealing ring for sealed effect is better between axostylus axostyle and valve body, the connecting box.
Description
Technical Field
The utility model relates to an eccentric butterfly valve technical field especially relates to eccentric butterfly valve with detachable seal structure.
Background
Seal through the sealing washer between axostylus axostyle and the valve body when present eccentric butterfly valve installation, along with the increase of sealing washer live time, the sealed effect of sealing washer can reduce, so can lead to eccentric butterfly valve upper end axostylus axostyle department to leak, and also inconvenient to the change of sealing washer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing an eccentric butterfly valve with detachable seal structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
eccentric butterfly valve with detachable seal structure, including the valve body, the connecting box is installed to the upper end of valve body, the upper end of connecting box is equipped with the case lid, the inside of connecting box is equipped with the axostylus axostyle, the connecting box is linked together through logical groove and valve body, the axostylus axostyle runs through logical groove and passes through sealing mechanism and connect, be equipped with the butterfly plate in the valve body, install the disk seat in the valve body, the butterfly plate is located the disk seat, just fixedly connected with installing frame on the butterfly plate, the axostylus axostyle is connected with the installing frame through the screw, the worm wheel is installed to the upper end of axostylus axostyle, be equipped with drive worm wheel pivoted actuating mechanism on the connecting box.
Preferably, actuating mechanism includes the worm of being connected with the connecting box inner wall rotation, the round bar is installed to the other end of worm, the round bar runs through the connecting box and is connected rather than rotating, the other end fixedly connected with hand wheel of round bar.
Preferably, the sealing mechanism comprises a plurality of rubber sealing rings fixed on the outer wall of the shaft rod, the rubber sealing rings are abutted to the inner wall of the through groove, a sealing ring is sleeved on the outer wall of the shaft rod, and the sealing ring is abutted to the inner wall of the through groove.
Preferably, the sealing ring is made of stainless steel, and the sealing ring is in interference fit with the shaft rod.
Preferably, the outer wall of the sealing ring is provided with lubricating oil, and the lubricating oil forms an oil film between the sealing ring and the through groove.
Preferably, the case cover is connected to the connection case by bolts.
Preferably, the worm wheel is vertically provided with a connecting groove in a penetrating manner, the upper end of the shaft rod is fixedly connected with a coaxial connecting block, the connecting groove is arranged in a penetrating manner through the connecting block, a stop block which is abutted against the connecting block is arranged on the worm wheel, and the stop block is connected with the connecting block through a fixing bolt.
Preferably, the connecting block is a rectangular block, and the connecting groove is a rectangular groove.
Preferably, the length of the stopper is greater than the length of the coupling groove.
Preferably, the worm wheel is provided with a connecting groove in an up-and-down penetrating manner, the upper end of the shaft rod is fixedly connected with a coaxial connecting block, the connecting groove is formed in the penetrating manner, the connecting block is a rectangular block, the connecting groove is a rectangular groove, the four vertical rods are fixedly connected to the inner top of the box cover, and the four vertical rods are all provided with balls which are abutted to the worm wheel at the bottoms of the vertical rods.
Compared with the prior art, the utility model, its beneficial effect does:
1. the rubber sealing ring plays a first-step sealing role, and an oil film formed by lubricating oil between the sealing ring and the through groove plays a second-step sealing role, so that the shaft rod, the valve body and the connecting box can be ensured to be in sealing connection; if need change rubber seal, sealing ring, take off the screw and separate axostylus axostyle and installing frame, so shift up the axostylus axostyle and can take off, the convenience is dismantled change rubber seal, sealing ring.
2. Need dismantle rubber seal, sealing ring when changing, take off the gim peg for connecting block and spread groove separation compare prior art's interference fit, it is more convenient to dismantle, and the pull-up worm can be taken off, so can take off the sealing ring from the upper end, and is more convenient.
3. When taking out the axostylus axostyle, need take off case lid and worm wheel, when this embodiment installation case lid, the ball of montant bottom offsets with the worm wheel, can not influence the rotation of worm wheel and take off the case lid and can take off the worm wheel, and it is more convenient to dismantle the worm wheel, and then the convenience is dismantled rubber seal, sealing ring and is changed.
To sum up, the utility model discloses it is convenient to dismantle the change to rubber seal, sealing ring, and realizes double seal through rubber seal, sealing ring for sealed effect is better between axostylus axostyle and valve body, the connecting box.
Drawings
FIG. 1 is a schematic structural view of an eccentric butterfly valve with a detachable sealing structure according to embodiment 1;
FIG. 2 is a schematic structural view of an eccentric butterfly valve with a detachable sealing structure according to embodiment 2;
fig. 3 is a schematic structural diagram of an eccentric butterfly valve with a detachable sealing structure according to embodiment 3.
In the figure: the valve comprises a valve body 1, a valve seat 2, a butterfly plate 3, a mounting frame 4, a shaft rod 5, a rubber sealing ring 6, a through groove 7, a sealing ring 8, a connecting box 9, a box cover 10, a worm wheel 11, a worm 12, a round rod 13, a hand wheel 14, a connecting groove 15, a connecting block 16, a stop block 17, a fixing bolt 18, a vertical rod 19 and a ball 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1, the eccentric butterfly valve with the detachable sealing structure comprises a valve body 1, a connecting box 9 is installed at the upper end of the valve body 1, a box cover 10 is arranged at the upper end of the connecting box 9, and the box cover 10 is connected with the connecting box 9 through bolts.
The inside of connecting box 9 is equipped with axostylus axostyle 5, connecting box 9 is linked together with valve body 1 through leading to groove 7, axostylus axostyle 5 runs through to lead to groove 7 and is connected through sealing mechanism, sealing mechanism is including fixing a plurality of rubber seal 6 on 5 outer walls of axostylus axostyle, rubber seal 6 offsets the setting with the inner wall that leads to groove 7, the outer wall cover of axostylus axostyle 5 is equipped with sealing ring 8, sealing ring 8 offsets the setting with the inner wall that leads to groove 7, wherein, sealing ring 8 is stainless steel material, and sealing ring 8 and 5 interference fit of axostylus axostyle, the outer wall of sealing ring 8 is equipped with lubricating oil, lubricating oil forms the oil film between sealing ring 8 and lead to groove 7.
Be equipped with butterfly plate 3 in the valve body 1, install disk seat 2 in the valve body 1, butterfly plate 3 is located disk seat 2, and fixedly connected with installing frame 4 on the butterfly plate 3, axostylus axostyle 5 is connected with installing frame 4 through the screw, worm wheel 11 is installed to the upper end of axostylus axostyle 5, be equipped with 11 pivoted actuating mechanism of drive worm wheel on the connecting box 9, actuating mechanism includes and rotates the worm 12 of being connected with the 9 inner walls of connecting box, round bar 13 is installed to the other end of worm 12, round bar 13 runs through connecting box 9 and rotates rather than being connected, round bar 13's other end fixedly connected with hand wheel 14.
In this embodiment, the hand wheel 14 is manually rotated to rotate the round rod 13 and the worm 12, and the worm 12 rotates to drive the worm wheel 11 and the shaft rod 5 to rotate, so that the rubber seal ring 6 and the seal ring 8 rotate, and the rotation of the seal ring 8 can enable an oil film formed by lubricating oil between the seal ring 8 and the through groove 7 to be more uniform and stable;
the rubber sealing ring 6 plays a role in first-step sealing, and an oil film formed by lubricating oil between the sealing ring 8 and the through groove 7 plays a role in second-step sealing, so that the shaft rod 5 can be ensured to be in sealing connection with the valve body 1 and the connecting box 9; if need change rubber seal 6, sealing ring 8, take off the screw and separate axostylus axostyle 5 and installing frame 4, so shift up axostylus axostyle 5 and can take off, the convenience is dismantled the change to rubber seal 6, sealing ring 8.
Example 2
Referring to fig. 2, this embodiment is different from embodiment 1 in that a connecting groove 15 is vertically penetrated through a worm wheel 11 in this embodiment, a coaxial connecting block 16 is fixedly connected to an upper end of a shaft rod 5, the connecting groove 15 is penetrated through the connecting block 16, a stop block 17 abutting against the connecting block 16 is arranged on the worm wheel 11, the stop block 17 is connected to the connecting block 16 through a fixing bolt 18, the connecting block 16 is a rectangular block, the connecting groove 15 is a rectangular groove, and the length of the stop block 17 is greater than that of the connecting groove 15.
In this embodiment, when needing to dismantle the change to rubber seal 6, sealing ring 8, take off gim peg 18 for connecting block 16 and the separation of spread groove 15, compare prior art's interference fit, it is more convenient to dismantle, and it can take off to pull up worm wheel 11, so can take off sealing ring 8 from the upper end, and is more convenient.
Example 3
Referring to fig. 3, the difference between this embodiment and embodiments 1 and 2 is that in this embodiment, a connecting groove 15 is provided in an up-and-down penetrating manner on a worm wheel 11, a coaxial connecting block 16 is fixedly connected to the upper end of a shaft rod 5, the connecting groove 15 is provided in a penetrating manner on the connecting block 16, the connecting block 16 is a rectangular block, the connecting groove 15 is a rectangular groove, four vertical rods 19 are fixedly connected to the inner top of a case cover 10, and balls 20 abutting against the worm wheel 11 are installed at the bottoms of the four vertical rods 19.
In this embodiment, need take off case lid 10 and worm wheel 11 when taking out axostylus axostyle 5, when this embodiment installation case lid 10, the ball 20 of montant 19 bottom offsets with worm wheel 11, can not influence the rotation of worm wheel 11 and take off case lid 10 and can take off worm wheel 11, and it is more convenient to dismantle worm wheel 11, and then the change is dismantled to rubber seal 6, sealing ring 8 to the convenience.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (10)
1. Eccentric butterfly valve with detachable seal structure, including valve body (1), its characterized in that, connecting box (9) are installed to the upper end of valve body (1), the upper end of connecting box (9) is equipped with case lid (10), the inside of connecting box (9) is equipped with axostylus axostyle (5), connecting box (9) are linked together with valve body (1) through leading to groove (7), axostylus axostyle (5) run through to lead to groove (7) and connect through sealing mechanism, be equipped with butterfly plate (3) in valve body (1), install disk seat (2) in valve body (1), butterfly plate (3) are located disk seat (2), just fixedly connected with installing frame (4) on butterfly plate (3), axostylus axostyle (5) are connected with installing frame (4) through the screw, worm wheel (11) are installed to the upper end of axostylus axostyle (5), be equipped with drive worm wheel (11) pivoted actuating mechanism on connecting box (9).
2. The eccentric butterfly valve with the detachable sealing structure according to claim 1, wherein the driving mechanism comprises a worm (12) rotatably connected with the inner wall of the connecting box (9), a round rod (13) is installed at the other end of the worm (12), the round rod (13) penetrates through the connecting box (9) and is rotatably connected with the connecting box, and a hand wheel (14) is fixedly connected with the other end of the round rod (13).
3. The eccentric butterfly valve with the detachable sealing structure according to claim 1, wherein the sealing mechanism comprises a plurality of rubber sealing rings (6) fixed on the outer wall of the shaft rod (5), the rubber sealing rings (6) are disposed against the inner wall of the through groove (7), the outer wall of the shaft rod (5) is sleeved with a sealing ring (8), and the sealing ring (8) is disposed against the inner wall of the through groove (7).
4. The eccentric butterfly valve with detachable sealing structure according to claim 3, characterized in that the sealing ring (8) is made of stainless steel, and the sealing ring (8) is in interference fit with the shaft (5).
5. The eccentric butterfly valve with a removable sealing structure according to claim 3, characterized in that the outer wall of the sealing ring (8) is provided with a lubricating oil, which forms an oil film between the sealing ring (8) and the through groove (7).
6. The eccentric butterfly valve with detachable sealing structure according to claim 1, characterized in that the box cover (10) is connected to the connection box (9) by bolts.
7. The eccentric butterfly valve with the detachable sealing structure according to claim 1, wherein a connecting groove (15) is vertically formed through the worm wheel (11), a coaxial connecting block (16) is fixedly connected to the upper end of the shaft rod (5), the connecting groove (15) is formed through the connecting block (16), a stopper (17) abutting against the connecting block (16) is arranged on the worm wheel (11), and the stopper (17) is connected with the connecting block (16) through a fixing bolt (18).
8. The eccentric butterfly valve with a detachable sealing structure according to claim 7, wherein the connecting block (16) is a rectangular block and the connecting groove (15) is a rectangular groove.
9. The eccentric butterfly valve with a detachable sealing structure according to claim 7, wherein the length of the stopper (17) is greater than the length of the connecting groove (15).
10. The eccentric butterfly valve with the detachable sealing structure according to claim 1, wherein a connecting groove (15) is vertically penetrated through the worm wheel (11), a coaxial connecting block (16) is fixedly connected to the upper end of the shaft rod (5), the connecting groove (15) is arranged through the connecting block (16), the connecting block (16) is a rectangular block, the connecting groove (15) is a rectangular groove, four vertical rods (19) are fixedly connected to the inner top of the case cover (10), and balls (20) abutting against the worm wheel (11) are mounted at the bottoms of the four vertical rods (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243480.7U CN218408545U (en) | 2022-08-25 | 2022-08-25 | Eccentric butterfly valve with detachable sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243480.7U CN218408545U (en) | 2022-08-25 | 2022-08-25 | Eccentric butterfly valve with detachable sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408545U true CN218408545U (en) | 2023-01-31 |
Family
ID=85027412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222243480.7U Active CN218408545U (en) | 2022-08-25 | 2022-08-25 | Eccentric butterfly valve with detachable sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408545U (en) |
-
2022
- 2022-08-25 CN CN202222243480.7U patent/CN218408545U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218408545U (en) | Eccentric butterfly valve with detachable sealing structure | |
| JPS643528B2 (en) | ||
| CN214106668U (en) | Raw material stirring device for production of well logging ignition sealing plug | |
| CN205521930U (en) | Mortar stirrer and stirring shaft end sealing device thereof | |
| CN213148599U (en) | Pressure-bearing pipeline system and valve hydrostatic test device | |
| CN211133610U (en) | Experimental type homogenizing equipment for milk preparation | |
| CN209576563U (en) | A kind of drive mechanism of vertical stirring device | |
| CN210474332U (en) | Centrifuge cover opening device for small hot galvanizing automatic production line | |
| CN208831728U (en) | A kind of side-feeding mixer mechanical seal copper bush | |
| CN210448917U (en) | Stirring tank packing sealing device | |
| CN216343968U (en) | Ultrahigh pressure resistant double-eccentric butterfly valve | |
| CN207634616U (en) | A kind of sanitation-grade stirring dedicated deceleration transmission mechanism | |
| CN213779535U (en) | Raw material storage device for recombinant protein expression and antibody preparation | |
| CN210449042U (en) | Single-motor double-stirring sealing connection device | |
| CN220688034U (en) | Limiting shaft sleeve and shaft body dynamic sealing structure and stirring device applying same | |
| CN220091124U (en) | Ferment zymotic fluid agitating unit | |
| CN220851674U (en) | External inner guide wheel of bearing | |
| CN221339048U (en) | Sealing cover plate structure of mixer for plastic modification | |
| CN215540552U (en) | Stirring and mixing device | |
| CN221317594U (en) | Sealing tank for white spirit production | |
| CN212215202U (en) | Inner stirring shaft of coaxial double-stirring system | |
| CN213180905U (en) | Automatic milk powder sampler mounted on pipeline and capable of sampling under closed state | |
| CN109296813A (en) | A kind of novel evacuated rotation gate valve | |
| CN111559006B (en) | Double-floating sealed stirring device | |
| CN215338388U (en) | Easy-open cover encoder bracket with two-dimensional code |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |