CN218294481U - Butterfly valve with high sealing performance - Google Patents
Butterfly valve with high sealing performance Download PDFInfo
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- CN218294481U CN218294481U CN202221890669.9U CN202221890669U CN218294481U CN 218294481 U CN218294481 U CN 218294481U CN 202221890669 U CN202221890669 U CN 202221890669U CN 218294481 U CN218294481 U CN 218294481U
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- connecting rod
- worm
- valve
- cavity
- fixedly connected
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Abstract
The utility model relates to a butterfly valve technical field just discloses a butterfly valve of high sealing performance, which comprises a valve body, the top fixedly connected with valve gap of valve body, the pivot of valve body runs through to the inside and the fixedly connected with worm wheel of valve gap, the lateral wall meshing of worm wheel is connected with the worm, the both ends pole wall of worm is connected through the inner wall rotation of sealed bearing with the valve gap respectively, the cavity has been seted up to the inside of worm, the inside of cavity is provided with auxiliary drive mechanism. The utility model discloses a to adjustable fender's self-locking function, effectively avoided adjustable fender's not hard up, guaranteed sealed effect.
Description
Technical Field
The utility model relates to a butterfly valve technical field especially relates to a butterfly valve of high sealing performance.
Background
Through retrieval, chinese patent provides CN214036917U a butterfly valve with high sealing performance, which belongs to the technical field of valves and comprises a device main body, a surface groove, a side protrusion, a movable rotating shaft, a transmission gear, a movable baffle, a clamping groove and a movable rotating shaft two.
Aiming at the technical scheme, the following problems exist:
among the above-mentioned technical scheme, adopt two drive gears to drive, the problem that leads to like this does not carry on spacingly when using, and then influences sealed effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and adopting two transmission gears to drive adjustable fender among the prior art, have not hard up condition, get into the problem that influences the sealed effect, and the butterfly valve of a high sealing performance who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a butterfly valve of high sealing performance, includes the valve body, the top fixedly connected with valve gap of valve body, the pivot of valve body runs through to the inside and the fixedly connected with worm wheel of valve gap, the lateral wall meshing of worm wheel is connected with the worm, the both ends pole wall of worm is connected through the inner wall rotation of sealed bearing with the valve gap respectively, the cavity has been seted up to the inside of worm, the inside of cavity is provided with supplementary actuating mechanism.
Preferably, the auxiliary driving mechanism comprises a first connecting rod, a second connecting rod and a connecting block, a notch is formed in one end of the first connecting rod, a third connecting rod is fixedly connected to one end of the second connecting rod, the third connecting rod is connected with the notch through a shaft pin in a rotating mode, the connecting block is fixedly connected to the other end of the first connecting rod, a through hole is formed in one side of the cavity, the second connecting rod is movably arranged in the through hole in a penetrating mode and located in the outer portion of the cavity, a pulling block is fixedly connected to one end of the second connecting rod, and the side wall of the connecting block is connected with a limiting mechanism and is connected with the inner wall of the cavity in a sliding mode through the limiting mechanism.
Preferably, stop gear includes two stoppers, two spacing grooves have been seted up to the inner wall symmetry of cavity, two stopper symmetry fixed connection just slides respectively in the inside in the spacing groove that corresponds in the lateral wall of connecting block.
Preferably, the rod walls of the first connecting rod and the second connecting rod are movably sleeved with springs, and two ends of each spring are respectively in contact connection with the connecting block and the inner wall of the cavity.
Preferably, one end of the worm penetrates through the valve cover and is fixedly sleeved with the knob.
Preferably, the side wall of the valve body is fixedly connected with a flange.
Compared with the prior art, the utility model provides a butterfly valve of high leakproofness ability possesses following beneficial effect:
this butterfly valve of high sealing performance through worm wheel and the worm that sets up, can drive the worm wheel and rotate when the worm pivoted, and then realize the control to the regulating valve to can realize spacing to the pivot through the self-locking function between worm wheel and the worm, avoid the pivot not hard up as far as possible, guarantee the normal use of butterfly valve.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a to adjustable fender's self-locking function, effectively avoided adjustable fender's not hard up, guaranteed sealed effect.
Drawings
Fig. 1 is a schematic structural diagram of a butterfly valve with high sealing performance according to the present invention;
FIG. 2 is a schematic sectional view of the connection between the worm and the auxiliary driving mechanism in FIG. 1
Fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure: the valve comprises a valve body 1, a valve cover 2, a worm wheel 3, a worm 4, a first connecting rod 5, a second connecting rod 6, a connecting block 7, a third connecting rod 8, a shaft pin 9, a pulling block 10, a limiting block 11, a spring 12, a knob 13, a flange 14 and a rotating shaft 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a butterfly valve with high sealing performance, including a valve body 1, a top fixedly connected with valve gap 2 of the valve body 1, a rotating shaft 15 of the valve body 1 penetrates through to the inside of the valve gap 2 and is fixedly connected with a worm wheel 3, a side wall of the worm wheel 3 is engaged with a worm 4, two end rod walls of the worm 4 are respectively connected with an inner wall of the valve gap 2 through a sealing bearing in a rotating manner, a cavity is formed in the worm 4, an auxiliary driving mechanism is arranged in the cavity, the auxiliary driving mechanism includes a first connecting rod 5, a second connecting rod 6 and a connecting block 7, a notch is formed in one end of the first connecting rod 5, one end of the second connecting rod 6 is fixedly connected with a third connecting rod 8, the third connecting rod 8 is connected with the inside of the notch in a rotating manner through a shaft pin 9, the connecting block 7 is fixedly connected with the other end of the first connecting rod 5, a through hole is formed in one side of the cavity, the second connecting rod 6 movably penetrates through the through hole and is fixedly connected with a pulling block 10 located outside the cavity, the shaft pin 9 and the third connecting rod 8 are utilized, the second connecting rod can drive the second connecting rod 6 to rotate in the rotating process of the first connecting rod 5, thereby ensuring the normal operation of the auxiliary driving mechanism.
Referring to fig. 2, the lateral wall of connecting block 7 is connected with stop gear and through the inner wall sliding connection of stop gear and cavity, stop gear includes two stopper 11, two spacing grooves have been seted up to the inner wall symmetry of cavity, two stopper 11 symmetry fixed connection just slide respectively in the inside of the spacing groove that corresponds in the lateral wall of connecting block 7, utilize two stopper 11 and the sliding connection between the spacing groove that corresponds, can rotate through two stopper 11 drive worms 4 when connecting block 7 rotates, and then realize the drive to worm wheel 3.
Referring to fig. 2-3, the spring 12 is sleeved on the rod wall of the first connecting rod 5 and the second connecting rod 6 in a common movable manner, two ends of the spring 12 are respectively in contact connection with the connecting block 7 and the inner wall of the cavity, the spring 12 is arranged, the first connecting rod 5 can be retained in the cavity through the elasticity of the spring 12, and the whole device is prevented from occupying a large space.
Referring to fig. 1, the one end of worm 4 runs through valve gap 2 and fixed the having cup jointed knob 13, utilizes the knob 13 that sets up, can be convenient for drive worm 4, and then realizes the regulation to the butterfly valve.
Referring to fig. 1, a flange 14 is fixedly connected to a side wall of the valve body 1, and the valve body 1 can be easily mounted by using the flange 14.
The utility model discloses in, when needs adjust the butterfly valve, rotate knob 13, knob 13 drives worm 4 and rotates, worm 4 drives worm wheel 3 and rotates, worm wheel 3 drives pivot 15 and rotates, and then can realize the regulation to the butterfly valve, in the use, through the auto-lock function between worm wheel 3 and the worm 4, can realize the automation spacing to pivot 15, avoid pivot 15 not hard up and influence sealed effect, when the great rotation knob 13 that is difficult to of worm 4 resistance, pulling pull block 10, take head rod 5 out from the inside of cavity, take out back rotatory head rod 5 with head rod 5, head rod 5 drives third connecting rod 8 and rotates, can realize the regulation to the arm of force through head rod 5, and then can be convenient for drive worm 4.
The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a butterfly valve of high sealing performance, includes valve body (1), its characterized in that, top fixedly connected with valve gap (2) of valve body (1), pivot (15) of valve body (1) run through inside and fixedly connected with worm wheel (3) to valve gap (2), the lateral wall meshing of worm wheel (3) is connected with worm (4), the both ends pole wall of worm (4) is connected through the inner wall rotation of sealed bearing with valve gap (2) respectively, the cavity has been seted up to the inside of worm (4), the inside of cavity is provided with supplementary actuating mechanism.
2. The butterfly valve with high sealing performance according to claim 1, wherein the auxiliary driving mechanism comprises a first connecting rod (5), a second connecting rod (6) and a connecting block (7), a notch is formed in one end of the first connecting rod (5), a third connecting rod (8) is fixedly connected to one end of the second connecting rod (6), the third connecting rod (8) is rotatably connected to the inside of the notch through a shaft pin (9), the connecting block (7) is fixedly connected to the other end of the first connecting rod (5), a through hole is formed in one side of the cavity, the second connecting rod (6) is movably arranged in the through hole in a penetrating mode and is fixedly connected with a pulling block (10) at one end of the through hole, and the side wall of the connecting block (7) is connected with a limiting mechanism and is connected with the inner wall of the cavity in a sliding mode through the limiting mechanism.
3. The butterfly valve with high sealing performance according to claim 2, wherein the limiting mechanism comprises two limiting blocks (11), two limiting grooves are symmetrically formed in the inner wall of the cavity, and the two limiting blocks (11) are symmetrically and fixedly connected to the side wall of the connecting block (7) and are respectively slidably disposed inside the corresponding limiting grooves.
4. The butterfly valve with high sealing performance according to claim 2, wherein the rod walls of the first connecting rod (5) and the second connecting rod (6) are movably sleeved with a spring (12), and two ends of the spring (12) are respectively in contact connection with the connecting block (7) and the inner wall of the cavity.
5. A butterfly valve with high sealing performance according to claim 1, characterized in that one end of the worm (4) extends through the valve cover (2) and is fixedly sleeved with a knob (13).
6. A butterfly valve with high sealing performance according to claim 1, characterized in that a flange (14) is fixedly connected to the side wall of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890669.9U CN218294481U (en) | 2022-07-21 | 2022-07-21 | Butterfly valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221890669.9U CN218294481U (en) | 2022-07-21 | 2022-07-21 | Butterfly valve with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218294481U true CN218294481U (en) | 2023-01-13 |
Family
ID=84792320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221890669.9U Active CN218294481U (en) | 2022-07-21 | 2022-07-21 | Butterfly valve with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218294481U (en) |
-
2022
- 2022-07-21 CN CN202221890669.9U patent/CN218294481U/en active Active
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