CN210687018U - Butterfly valve with limiting and locking functions - Google Patents
Butterfly valve with limiting and locking functions Download PDFInfo
- Publication number
- CN210687018U CN210687018U CN201921936148.0U CN201921936148U CN210687018U CN 210687018 U CN210687018 U CN 210687018U CN 201921936148 U CN201921936148 U CN 201921936148U CN 210687018 U CN210687018 U CN 210687018U
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- limiting
- valve rod
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- disc
- handle
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Abstract
The utility model provides a butterfly valve with limit locking, which comprises a valve body, a disc plate, a valve rod, a handle, a limit disc, a valve rod sleeve and a locking mechanism; the disc plate is positioned in the valve body, and the valve rod is inserted in the valve body and the disc plate; the valve rod sleeve is fixedly arranged on the valve body, the limiting disc is fixedly arranged at the top of the valve rod sleeve, the upper end of the valve rod sequentially penetrates through the valve body, the valve rod sleeve and the limiting disc, and a handle is fixedly arranged at the top of the valve rod; a locking mechanism is arranged between the handle and the limiting disc; the locking mechanism comprises a limiting piece and a spring; the limiting piece and the spring are sleeved on the valve rod, and the limiting piece is positioned above the spring; the limiting piece can move up and down along the valve rod; the upper surface undercut of spacing dish forms the recess, and the top opening part fixed cover of recess has annular separation blade, is equipped with the spacing breach that is used for blocking the locating part lower extreme that a plurality of is radial distribution on the annular separation blade. The butterfly valve with the limiting locking function can be locked at a certain fixed angle.
Description
Technical Field
The utility model relates to a valve especially relates to a take butterfly valve of spacing locking.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for the on-off control of low-pressure pipeline media, and is a valve which is opened and closed by rotating around a valve shaft and taking a closing member (a valve clack or a butterfly plate) as a disc. 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.
The existing butterfly valve can only be adjusted between open and closed without a position locking device, that is, the butterfly valve can not be locked at a required angle.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a can lock the butterfly valve of taking spacing locking on certain fixed angle.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a butterfly valve with limit locking comprises a valve body, a disc plate, a valve rod, a handle, a limit disc, a valve rod sleeve and a locking mechanism;
the disc plate is positioned in the valve body, the valve rod is inserted in the valve body and the disc plate, and the valve rod is fixedly connected with the disc plate; the lower end of the valve rod is rotatably arranged in the valve body, the valve rod sleeve is fixedly arranged on the valve body, the limiting disc is fixedly arranged at the top of the valve rod sleeve, the upper end of the valve rod sequentially penetrates out of the valve body, the valve rod sleeve and the limiting disc, and a handle is fixedly arranged at the top of the valve rod; a locking mechanism is arranged between the handle and the limiting disc;
the locking mechanism comprises a limiting piece and a spring; the limiting piece and the spring are sleeved on the valve rod, and the limiting piece is positioned above the spring; the limiting piece can move up and down along the valve rod; the valve rod is provided with a limiting component for limiting the rotation of the limiting part;
the upper surface of the limiting disc is downwards sunken to form a groove, an opening above the groove is fixedly covered with an annular blocking piece, and the annular blocking piece is provided with a plurality of radially distributed limiting notches for clamping the lower end of the limiting piece; the lower end of the spring is abutted against the bottom of the groove, and the upper end of the spring is abutted against the lower part of the limiting part.
Further, the locating part includes Z type pole and lantern ring, the lantern ring cover is on the valve rod, the last horizontal limit fixed connection of Z type pole is on the lantern ring, and the lower horizontal limit card of Z type pole is in spacing breach department.
Further, the limiting assembly comprises a long-strip-shaped limiting key arranged on the side wall of the valve rod and a key groove arranged on the inner side wall of the sleeve ring and matched with the limiting key for use.
Further, still fixed cover is equipped with the spacing retaining ring that is used for restricting locating part displacement on the valve rod, spacing retaining ring is located the top of locating part.
Further, the valve rod comprises a cylindrical section and a rectangular section, and the rectangular section is positioned above the cylindrical section; the locating part is sleeved on the cylindrical section, and the handle is connected to the rectangular section.
Furthermore, the side wall of the rectangular section is provided with a through hole, and the handle is provided with an insertion hole with the same cross section as that of the rectangular section; the rectangular bar section is inserted into the insertion hole, and the fixing bolt is inserted into the through hole.
Compared with the prior art, the butterfly valve with the limiting locking function has the following advantages:
(1) take valve body of butterfly valve of spacing locking on be equipped with the valve rod cover, valve rod cover top is equipped with spacing dish, spacing dish upper surface is equipped with the recess, recess upper surface annular separation blade is equipped with the spacing breach that blocks the locating part on the annular separation blade, the locating part cover is established on the valve rod to can follow the valve rod and reciprocate and can not rotate around the valve rod, still overlap on the valve rod of locating part below and establish the spring. When the butterfly valve is used, the limiting piece is pressed down by a hand, the limiting piece is pressed into the groove of the limiting disc, the handle is rotated at the same time, the handle drives the valve rod to rotate, the valve rod drives the disc plate to rotate, and the butterfly valve is opened; the position of spacing breach has corresponded the different turned angle of dish board, and when rotating the angle that needs, the locating part just in time aims at a certain spacing breach this moment, loosens the locating part, and the locating part is ejecting under the effect of spring, makes the locating part just in time block in this spacing breach department, locks the angle that the dish board was opened this moment from this. Moreover, the limiting notches are provided with a plurality of notches, so that different opening angles of the disc plate can be realized, and the disc plate can be locked at a certain fixed angle.
(2) Spacing key of rectangular shape on the valve rod lateral wall, the keyway that uses with spacing key cooperation on the inside wall of the lantern ring, keyway and spacing key mutually support, realize preventing that the locating part from rotating around the valve rod to the fixing of locating part.
(3) The valve rod on still fixed cover be equipped with spacing retaining ring, can restrict the locating part along the distance of valve rod rebound.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a butterfly valve with a locking function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a locking mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a valve stem according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the limiting plate according to the embodiment of the present invention.
Description of reference numerals:
1-a valve body; 2-a disc plate; 3-a valve stem; 4-a handle; 5-limiting disc; 6-a limiting part; 7-a jack; 8-a groove; 9-a limit notch; 10-a spring; 11-Z-shaped rods; 12-a collar; 13-a keyway; 14-a cylindrical section; 15-rectangular bar section; 16-a limit key; 17-a through hole; 18-a dead bolt; 19-a valve stem sleeve; 20-limiting retainer ring; 21-ring-shaped baffle plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Fig. 1 is a schematic view of a butterfly valve with a locking function according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a locking mechanism according to an embodiment of the present invention; fig. 4 is a schematic structural view of the limiting plate according to the embodiment of the present invention.
As shown in fig. 1, 2 and 4, a butterfly valve with limit locking comprises a valve body 1, a disc plate 2, a valve rod 3, a handle 4, a limit disc 5, a valve rod sleeve 19 and a locking mechanism;
the disc plate 2 is positioned in the valve body 1, the valve rod 3 is inserted in the valve body 1 and the disc plate 2, and the valve rod 3 is fixedly connected with the disc plate 2; the lower end of the valve rod 3 is rotatably arranged in the valve body 1, the valve rod sleeve 19 is fixedly arranged on the valve body 1, the limiting disc 5 is fixedly arranged at the top of the valve rod sleeve 19, the upper end of the valve rod 3 sequentially penetrates through the valve body 1, the valve rod sleeve 19 and the limiting disc 5, and the top of the valve rod 3 is fixedly provided with a handle 4; a locking mechanism is arranged between the handle 4 and the limiting disc 5;
the locking mechanism comprises a limiting piece 6 and a spring 10; the limiting piece 6 and the spring 10 are sleeved on the valve rod 3, and the limiting piece 6 is positioned above the spring 10; the limiting part 6 can move up and down along the valve rod 3; the valve rod 3 is provided with a limiting component for limiting the rotation of the limiting part 6;
the upper surface of the limiting disc 5 is downwards sunken to form a groove 8, an opening above the groove 8 is fixedly covered with an annular baffle 21, and the annular baffle 21 is provided with a plurality of radially distributed limiting notches 9 for clamping the lower end of the limiting part 6; the lower extreme of spring 10 supports in the tank bottom of recess 8, and the upper end supports in the below of locating part 6, and when compression spring 10, the lower extreme of locating part 6 stretches into in the recess 8 to the lower extreme of locating part 6 can break away from the restriction of spacing breach 9.
The working principle of the butterfly valve with the limit locking function is as follows:
be equipped with valve rod cover 19 on the valve body 1 of butterfly valve, valve rod cover 19 top is equipped with spacing dish 5, and spacing dish 5 upper surface is equipped with recess 8, 8 upper surface annular separation blade 21 of recess, is equipped with the spacing breach 9 that blocks locating part 6 on the annular separation blade 21, and locating part 6 cover is established on valve rod 3 to can reciprocate and can not rotate around valve rod 3 along valve rod 3, still overlap on the valve rod 3 of locating part 6 below and establish spring 10.
When the butterfly valve is used, the limiting piece 6 is pressed down by hand, the lower end of the limiting piece 6 is pressed into the groove 8 of the limiting disc 5, the lower end of the limiting piece 6 is separated from the limitation of the limiting notch 9, meanwhile, the handle 4 is rotated, the handle 4 drives the valve rod 3 to rotate, the valve rod 3 drives the disc plate 2 to rotate, and therefore the butterfly valve is opened; the position of spacing breach 9 has corresponded the different turned angle of dish board, and when rotating the angle that needs, locating part 6 just in time aims at a certain spacing breach 9 this moment, loosens locating part 6, and locating part 6 is ejecting under the effect of spring 10, makes locating part 6 just in time block in this spacing breach 9 department, locks the angle that the dish board was opened this moment from this. Moreover, the limiting notches 9 are provided with a plurality of notches, so that different opening angles of the disc plate can be realized, and the disc plate can be locked at a certain fixed angle.
Example 2
Fig. 3 is a schematic structural diagram of a valve rod according to an embodiment of the present invention.
On the basis of the above embodiment, for example, as shown in fig. 3, the limiting member 6 includes 2Z-shaped rods 11 and collars 12, the collars 12 are sleeved on the valve rod 3, an upper lateral edge of the Z-shaped rod 11 is fixedly connected to the collars 12, and a lower lateral edge of the Z-shaped rod 11 is clamped at the limiting notch 9.
Specifically, the limiting assembly comprises an elongated limiting key 16 arranged on the side wall of the valve rod 3 and a key groove 13 arranged on the inner side wall of the sleeve ring 12 and matched with the limiting key 16.
The key groove 13 and the limiting key 16 are matched with each other to fix the limiting piece 6 and prevent the limiting piece from rotating around the valve rod.
Illustratively, the valve rod 3 is further fixedly sleeved with a limiting check ring 20 for limiting the moving distance of the limiting member 6, and the limiting check ring 20 is located above the limiting member 6.
Illustratively, the valve rod 3 comprises a cylindrical section 14 and a rectangular bar section 15, and the rectangular bar section 15 is positioned above the cylindrical section 14; the limiting piece 6 is sleeved on the cylindrical section 14, and the handle 4 is connected to the rectangular section 15.
Specifically, the side wall of the rectangular bar section 15 is provided with a through hole 17, and the handle 4 is provided with an insertion hole 7 with the same cross section as that of the rectangular bar section 15; the rectangular bar section 15 is inserted into the insertion hole 7, and a fixing bolt 18 is inserted into the through hole 17.
The above description is only a 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 (6)
1. The utility model provides a take butterfly valve of spacing locking which characterized in that: comprises a valve body (1), a disc plate (2), a valve rod (3), a handle (4), a limiting disc (5), a valve rod sleeve (19) and a locking mechanism;
the disc plate (2) is positioned in the valve body (1), the valve rod (3) is inserted in the valve body (1) and the disc plate (2), and the valve rod (3) is fixedly connected with the disc plate (2); the lower end of the valve rod (3) is rotatably arranged in the valve body (1), the valve rod sleeve (19) is fixedly arranged on the valve body (1), the limiting disc (5) is fixedly arranged at the top of the valve rod sleeve (19), the upper end of the valve rod (3) sequentially penetrates through the valve body (1), the valve rod sleeve (19) and the limiting disc (5), and the top of the valve rod (3) is fixedly provided with a handle (4); a locking mechanism is arranged between the handle (4) and the limiting disc (5);
the locking mechanism comprises a limiting piece (6) and a spring (10); the limiting piece (6) and the spring (10) are sleeved on the valve rod (3), and the limiting piece (6) is located above the spring (10); the limiting piece (6) can move up and down along the valve rod (3); the valve rod (3) is provided with a limiting component for limiting the rotation of the limiting part (6);
the upper surface of the limiting disc (5) is downwards sunken to form a groove (8), an opening above the groove (8) is fixedly covered with an annular blocking piece (21), and a plurality of radially distributed limiting notches (9) for clamping the lower end of the limiting piece (6) are arranged on the annular blocking piece (21); the lower end of the spring (10) is abutted against the bottom of the groove (8), and the upper end of the spring is abutted against the lower part of the limiting piece (6).
2. The butterfly valve with limit locking according to claim 1, wherein: the limiting part (6) comprises a Z-shaped rod (11) and a sleeve ring (12), the sleeve ring (12) is sleeved on the valve rod (3), the upper transverse edge of the Z-shaped rod (11) is fixedly connected to the sleeve ring (12), and the lower transverse edge of the Z-shaped rod (11) is clamped at the limiting notch (9).
3. The butterfly valve with limit lock of claim 2, wherein: the limiting assembly comprises a long-strip-shaped limiting key (16) arranged on the side wall of the valve rod (3) and a key groove (13) which is arranged on the inner side wall of the sleeve ring (12) and is matched with the limiting key (16) for use.
4. The butterfly valve with limit locking according to claim 1, wherein: still fixed cover is equipped with spacing retaining ring (20) that are used for restricting locating part (6) displacement on valve rod (3), spacing retaining ring (20) are located the top of locating part (6).
5. The butterfly valve with limit locking according to claim 1, wherein: the valve rod (3) comprises a cylindrical section (14) and a rectangular strip section (15), and the rectangular strip section (15) is positioned above the cylindrical section (14); the limiting piece (6) is sleeved on the cylindrical section (14), and the handle (4) is connected to the rectangular section (15).
6. The butterfly valve with limit lock of claim 5, wherein: a through hole (17) is formed in the side wall of the rectangular section (15), and a jack (7) with the same cross section as that of the rectangular section (15) is formed in the handle (4); the rectangular bar section (15) is inserted into the insertion hole (7), and a fixing bolt (18) is inserted into the through hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936148.0U CN210687018U (en) | 2019-11-11 | 2019-11-11 | Butterfly valve with limiting and locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936148.0U CN210687018U (en) | 2019-11-11 | 2019-11-11 | Butterfly valve with limiting and locking functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210687018U true CN210687018U (en) | 2020-06-05 |
Family
ID=70886329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921936148.0U Active CN210687018U (en) | 2019-11-11 | 2019-11-11 | Butterfly valve with limiting and locking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210687018U (en) |
-
2019
- 2019-11-11 CN CN201921936148.0U patent/CN210687018U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |