CN210423744U - Butterfly valve capable of preventing valve rod from rotating - Google Patents
Butterfly valve capable of preventing valve rod from rotating Download PDFInfo
- Publication number
- CN210423744U CN210423744U CN201921130926.7U CN201921130926U CN210423744U CN 210423744 U CN210423744 U CN 210423744U CN 201921130926 U CN201921130926 U CN 201921130926U CN 210423744 U CN210423744 U CN 210423744U
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- Prior art keywords
- valve
- spout
- rotating
- rod
- butterfly valve
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- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a can prevent butterfly valve of valve rod gyration, concretely relates to butterfly valve field, including valve body, valve plate and valve rod, the fixed box that is provided with in top of valve body, the inside of fixed box is provided with the rolling disc, be provided with first spout on the outer end lateral wall of rolling disc, it is provided with the sliding block to slide in the first spout, one side fixedly connected with connecting rod of sliding block, the ball is installed to the one end of connecting rod, the ball rolls and sets up in the second spout, the bottom of second spout is provided with the third spout, the both ends of third spout all are provided with the recess, the upper end both sides of connecting rod are all fixed and are provided with the bracing piece, two the fixed handle that is provided with between the top of bracing piece. The utility model discloses treat the valve plate and close the back for during the ball joint goes into the recess, avoid the ball to rotate, thereby realize the fixed of connecting rod and rolling disc, avoid the valve rod gyration to lead to the valve plate to seal the effect not enough.
Description
Technical Field
The utility model relates to a butterfly valve technical field, more specifically say, the utility model relates to a can prevent butterfly valve of valve rod gyration.
Background
The butterfly valve is that the closure member (valve clack or butterfly plate) is the disc, rotate around the valve shaft and reach a kind of valve that opens and close, mainly play cutting off and throttle effect on the pipeline, the butterfly valve opening and closing member is a disc butterfly plate, it is rotatory around its self axis in the valve body, thereby reach the purpose of opening and close or adjusting, the butterfly valve is applicable to producer, coal gas, natural gas, liquefied petroleum gas, city coal gas, cold and hot air, chemical industry is smelted and is generated electricity environmental protection etc. in the engineering system transport various corrosivity, non-corrosive fluid medium's pipeline, be used for adjusting and cut off the flow of medium, the butterfly valve classification has: handle butterfly valves, turbine butterfly valves, pneumatic butterfly valves, electric butterfly valves, and the like.
However, when the existing butterfly valve cuts off the fluid, the sealing effect of the butterfly valve is poor due to the rotation of the valve rod, and the practicability of the butterfly valve is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a can prevent butterfly valve of valve rod gyration, through being provided with fixed box, the rolling disc, first spout, the second spout, the third spout, the sliding block, connecting rod and ball, when utilizing the valve plate to cut off the fluid, the valve rod drives the rolling disc motion, rolling disc one side connecting rod rotates in the second spout of fixed box lateral wall, treat the valve plate and close the back, the ball of connecting rod one end rotates in the third spout, then descend the connecting rod, make the ball joint go into in the recess, avoid the ball to rotate, thereby realize the fixed of connecting rod and rolling disc, it leads to the valve plate to seal the effect not enough to avoid the valve rod gyration.
In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve capable of preventing a valve rod from rotating comprises a valve body, a valve plate and a valve rod, wherein a flow guide hole is formed in the valve body, the valve plate is arranged at the position of the flow guide hole, the valve rod is fixedly connected to the valve plate, one end of the valve rod penetrates through the side wall of the top end of the valve body and is fixedly connected with a rotating handle, a fixing box is fixedly arranged at the top end of the valve body, a rotating disc is arranged inside the fixing box, the valve rod penetrates through the fixing box and the rotating disc, the valve rod is fixedly connected with the rotating disc, a first sliding groove is formed in the side wall of the outer end of the rotating disc, a sliding block is arranged in the first sliding groove in a sliding mode, a connecting rod is fixedly connected to one side of the sliding block, a ball is installed at one end of the connecting rod and is arranged in a second sliding groove in a rolling, the both ends of third spout all are provided with the recess, the upper end both sides of connecting rod all are fixed and are provided with the bracing piece, the top of bracing piece passes the top lateral wall setting of fixed box, two fixed handle that is provided with between the top of bracing piece, be provided with spacing lug on the bracing piece.
In a preferred embodiment, an installation groove is formed in the inner side wall of the diversion hole in the valve body, and a sealing ring is arranged in the installation groove.
In a preferred embodiment, a limiting plate is arranged on the outer side of the first sliding chute, and a plugging plate is arranged on the outer side of the second sliding chute.
In a preferred embodiment, the second sliding groove and the third sliding groove are communicated, the second sliding groove and the third sliding groove are perpendicular to each other, and the first sliding groove and the two third sliding grooves are parallel to each other.
In a preferred embodiment, the upper surface of the fixing box is provided with an arc-shaped through hole for the support rod to rotate.
In a preferred embodiment, the limit projection on the support rod is arranged inside the fixing box.
In a preferred embodiment, the rotation handle and the handle are provided with anti-slip sleeves.
In a preferred embodiment, the third sliding groove is communicated with grooves at two ends, and the grooves are matched with the sizes and the shapes of the balls.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be provided with fixed box, rolling disc, first spout, second spout, third spout, sliding block, connecting rod and ball, when utilizing the valve plate to cut off fluid, the valve rod drives the rolling disc motion, and rolling disc one side connecting rod rotates in the second spout of fixed box lateral wall, treats that the valve plate closes the back, and the ball of connecting rod one end rotates to the third spout, then descends the connecting rod, makes the ball joint go into in the recess, avoids the ball to rotate, thereby realizes the fixed of connecting rod and rolling disc, avoids the valve rod gyration to lead to the valve plate to seal the effect not enough;
2. the utility model discloses a be provided with limiting plate and shutoff board, when can avoiding the connecting rod to slide from top to bottom, roll-off in sliding block and the ball follow first spout and the second spout causes the unable use of connecting rod.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the fixing box of the present invention.
Fig. 3 is a schematic side view of the rotating disk of the present invention.
Fig. 4 is a schematic view of the inner side wall structure of the fixing box of the present invention.
Fig. 5 is a schematic view of the upper surface structure of the fixing box of the present invention.
The reference signs are: 1 valve body, 2 valve plates, 3 valve rods, 4 rotating handles, 5 fixed boxes, 6 rotating discs, 7 first sliding grooves, 8 sliding blocks, 9 connecting rods, 10 balls, 11 second sliding grooves, 12 third sliding grooves, 13 grooves, 14 supporting rods, 15 lifting handles, 16 limiting convex blocks, 17 sealing rings and 18 plugging plates.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
According to the butterfly valve shown in fig. 1-5, which can prevent the valve rod from rotating comprises a valve body 1, a valve plate 2 and a valve rod 3, wherein a flow guide hole is formed in the valve body 1, the valve plate 2 is arranged at the flow guide hole, the valve rod 3 is fixedly connected to the valve plate 2, one end of the valve rod 3 penetrates through the top side wall of the valve body 1 and is fixedly connected with a rotating handle 4, a fixed box 5 is fixedly arranged at the top end of the valve body 1, a rotating disc 6 is arranged inside the fixed box 5, the valve rod 3 penetrates through the fixed box 5 and the rotating disc 6, the valve rod 3 is fixedly connected with the rotating disc 6, a first sliding groove 7 is formed in the outer end side wall of the rotating disc 6, a sliding block 8 is arranged in the first sliding groove 7 in a sliding manner, a connecting rod 9 is fixedly connected to one side of the sliding block 8, a ball 10 is installed at one end of, second spout 11 sets up on the inside wall of fixed box 5, the both ends of second spout 11 all are provided with third spout 12, the bottom of third spout 12 is provided with recess 13, the upper end both sides of connecting rod 9 are all fixed and are provided with bracing piece 14, the top lateral wall setting of fixed box 5 is passed on the top of bracing piece 14, two fixed handle 15 that is provided with between the top of bracing piece 14, be provided with spacing lug 16 on the bracing piece 14.
Further, the inside wall in water conservancy diversion hole is provided with the mounting groove on the valve body 1, just be provided with sealing washer 17 in the mounting groove.
Further, the second sliding groove 11 is communicated with the third sliding groove 12, the second sliding groove 11 is perpendicular to the third sliding groove 12, and the first sliding groove 7 is parallel to the two third sliding grooves 12.
Further, the upper surface of the fixing box 5 is provided with an arc-shaped through hole for the rotation of the supporting rod 14.
Furthermore, the limiting projection 16 on the supporting rod 14 is arranged inside the fixing box 5.
Furthermore, anti-slip sleeves are arranged on the rotating handle 4 and the lifting handle 15.
Further, the third sliding groove 12 is communicated with grooves 13 at two ends, and the grooves 13 are matched with the balls 10 in size and shape.
The implementation mode is specifically as follows: when the valve plate 2 is used, when the valve plate 2 is opened or closed, the handle 15 is firstly utilized to lift the support rod 14, the support rod 14 drives the balls 10 and the sliding blocks 8 at two ends to respectively slide in the third sliding groove 12 and the first sliding groove 7, when the support rod 14 drives the balls 10 and the sliding blocks 8 to slide to the top ends of the third sliding groove 12 and the first sliding groove 7, the valve rod 3 is rotated through the rotating handle 4, the valve rod 3 drives the rotating disc 6 and the valve plate 2 to rotate, the rotating disc 6 drives the balls 10 to slide in the second sliding groove 11 through the support rod 14, when the valve plate 2 is completely opened or closed, the balls 10 slide to the other end of the second sliding groove 11 from one end of the second sliding groove 11, then the support rod 14 is pressed downwards through the handle 15, the support rod 14 drives the sliding blocks 8 and the balls 10 to respectively slide to the bottom ends of the first sliding groove 7 and the third sliding groove 12, and the balls 10 cannot, therefore, the supporting rod 14 cannot rotate, so that the rotating disc 6 cannot rotate, the rotating disc 6 is fixed with the valve rod 3, the valve rod 3 can be prevented from rotating, and the sealing performance of the butterfly valve is guaranteed.
According to the butterfly valve capable of preventing the valve rod from rotating shown in fig. 4, the outer side of the first chute 7 is provided with a limiting plate, and the outer side of the second chute 11 is provided with a blocking plate 18.
The implementation mode is specifically as follows: when the sliding blocks 8 and the balls 10 slide in the first sliding grooves 7 and the second sliding grooves 11, the limiting plates and the blocking plates 18 can prevent the sliding blocks 8 and the balls 10 from sliding out of the first sliding grooves 7 and the second sliding grooves 11.
The utility model discloses the theory of operation: during the use, when opening or closing valve plate 2, utilize handle 15 earlier to lift up bracing piece 14, bracing piece 14 drives ball 10 and the sliding block 8 at both ends and slides in third spout 12 and first spout 7 respectively, when waiting that bracing piece 14 to drive ball 10 and sliding block 8 and slide to the top of third spout 12 and first spout 7, rotate valve rod 3 through rotatory handle 4, valve rod 3 drives rolling disc 6 and valve plate 2 and rotates, rolling disc 6 drives ball 10 through bracing piece 14 and slides in second spout 11, when waiting that valve plate 2 to open or close completely, ball 10 slides to the other end of second spout 11 from the one end of second spout 11, then push down bracing piece 14 through handle 15, bracing piece 14 drives sliding block 8 and ball 10 and slides in the bottom of first spout 7 and third spout 12 respectively.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The butterfly valve capable of preventing the valve rod from rotating comprises a valve body (1), a valve plate (2) and a valve rod (3), wherein a flow guide hole is formed in the valve body (1), the valve plate (2) is arranged at the position of the flow guide hole, the valve rod (3) is fixedly connected to the valve plate (2), and the butterfly valve is characterized in that one end of the valve rod (3) penetrates through the side wall of the top end of the valve body (1) and is fixedly connected with a rotating handle (4), a fixing box (5) is fixedly arranged at the top end of the valve body (1), a rotating disc (6) is arranged inside the fixing box (5), the valve rod (3) penetrates through the fixing box (5) and the rotating disc (6) and is fixedly connected with the valve rod (3) and the rotating disc (6), a first sliding chute (7) is formed in the side wall of the outer end of the rotating disc (6), and a sliding block (8, one side fixedly connected with connecting rod (9) of sliding block (8), ball (10) are installed to the one end of connecting rod (9), ball (10) roll and set up in second spout (11), second spout (11) set up on the inside wall of fixed box (5), the both ends of second spout (11) all are provided with third spout (12), the bottom of third spout (12) is provided with recess (13), the upper end both sides of connecting rod (9) are all fixed and are provided with bracing piece (14), the top lateral wall setting that fixed box (5) were passed on the top of bracing piece (14), two fixed handle (15) that are provided with between the top of bracing piece (14), be provided with spacing lug (16) on bracing piece (14).
2. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the inside wall in water conservancy diversion hole is provided with the mounting groove on valve body (1), just be provided with sealing washer (17) in the mounting groove.
3. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the outside of first spout (7) is provided with the limiting plate, the outside of second spout (11) is provided with shutoff board (18).
4. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the second sliding groove (11) is communicated with the third sliding groove (12), the second sliding groove (11) is perpendicular to the third sliding groove (12), and the first sliding groove (7) is parallel to the two third sliding grooves (12).
5. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the upper surface of the fixed box (5) is provided with an arc-shaped through hole for the rotation of the supporting rod (14).
6. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the limiting convex block (16) on the supporting rod (14) is arranged inside the fixed box (5).
7. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: and anti-skidding sleeves are arranged on the rotating handle (4) and the lifting handle (15).
8. A butterfly valve having a stem prevented from rotating in accordance with claim 1, wherein: the third sliding groove (12) is communicated with grooves (13) at two ends, and the size and the shape of the grooves (13) are matched with those of the balls (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130926.7U CN210423744U (en) | 2019-07-18 | 2019-07-18 | Butterfly valve capable of preventing valve rod from rotating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130926.7U CN210423744U (en) | 2019-07-18 | 2019-07-18 | Butterfly valve capable of preventing valve rod from rotating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423744U true CN210423744U (en) | 2020-04-28 |
Family
ID=70381479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921130926.7U Expired - Fee Related CN210423744U (en) | 2019-07-18 | 2019-07-18 | Butterfly valve capable of preventing valve rod from rotating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339528A (en) * | 2021-07-02 | 2021-09-03 | 西玛克（厦门）阀门有限公司 | Butterfly valve |
-
2019
- 2019-07-18 CN CN201921130926.7U patent/CN210423744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339528A (en) * | 2021-07-02 | 2021-09-03 | 西玛克（厦门）阀门有限公司 | Butterfly valve |
| CN113339528B (en) * | 2021-07-02 | 2023-03-14 | 西玛克（厦门）阀门有限公司 | Butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |