CN205534279U - Dismouting structure of butterfly plate and valve rod and have butterfly valve of this structure - Google Patents

Dismouting structure of butterfly plate and valve rod and have butterfly valve of this structure Download PDF

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Publication number
CN205534279U
CN205534279U CN201620291768.3U CN201620291768U CN205534279U CN 205534279 U CN205534279 U CN 205534279U CN 201620291768 U CN201620291768 U CN 201620291768U CN 205534279 U CN205534279 U CN 205534279U
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CN
China
Prior art keywords
valve rod
butterfly plate
valve
disassembly
butterfly
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.)
Expired - Fee Related
Application number
CN201620291768.3U
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Chinese (zh)
Inventor
李方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG SITONG VALVE MANUFACTURING Co Ltd
Original Assignee
ZHEJIANG SITONG VALVE MANUFACTURING Co Ltd
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Filing date
Publication date
Application filed by ZHEJIANG SITONG VALVE MANUFACTURING Co Ltd filed Critical ZHEJIANG SITONG VALVE MANUFACTURING Co Ltd
Priority to CN201620291768.3U priority Critical patent/CN205534279U/en
Application granted granted Critical
Publication of CN205534279U publication Critical patent/CN205534279U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a dismouting structure of butterfly plate and valve rod, be equipped with first dismouting structure between first valve rod and the butterfly plate, be equipped with second dismouting structure between second valve rod and the butterfly plate, and first dismouting structure and second dismouting structure set up with the central mirror symmetry of butterfly plate, first dismouting structure is including locating the butterfly plate just to the circular cavity on the first valve rod lateral wall, rampart in the cavity is equipped with uniformly spaced back -off piece, the back -off piece is equipped with relative cavity bottom and is the wedge face of invering, the one end of the relative cavity of first valve rod is equipped with the fixture block of establishing with back -off piece matched with to the evagination, the fixture block is equipped with and places upside down wedge face assorted wedge face, fixture block and draw -in groove the rotatory in -process of first valve rod realize with the joint of butterfly plate with break away from, set the valve rod to first valve rod and second valve rod, when realizing the installation with the butterfly plate, only need to aim at respectively the cavity on the butterfly plate that sets up, just, can realize the installation, need not borrow other instrument, reach the effect that makes things convenient for the dismouting.

Description

The disassembly and assembly structure of butterfly plate and valve rod and the butterfly valve with this structure
Technical field
This utility model relates to valve manufacture field, more specifically, it relates to a kind of butterfly valve.
Background technology
Butterfly valve is again flap valve, it it is the regulation valve of a kind of simple in construction, simultaneously can be used for the on-off control of low pressure pipeline medium, can be widely applied to all kinds of acid-alkali salt gases, liquid, high-temperature steam, mud and the Ash water system of the industries such as petrochemical industry, metallurgy, papermaking, power station, oil refining, coal makes adjustments flow or cuts off medium.
At present, the Chinese patent of Application No. 200720306906.1 discloses a kind of Ceramic butterfly gate, it include valve body, valve rod, butterfly plate, described butterfly plate be in valve body in and fixing with valve rod be connected, butterfly plate therein uses bolt to fix with the connected mode of valve rod, first butterfly plate is put in valve body, then pass butterfly plate with valve rod from vertical direction, finally fix with bolt, thus, when valve rod rotates when, the rotation of butterfly plate can be driven by valve rod, reach to open and close the effect of butterfly valve.
But when using the fixed form of this butterfly plate and valve rod, owing to being provided with screwed hole on valve rod, butterfly plate is arranged at the through hole that screwed hole is relative, then with bolt, both is fixed.So needing rotation valve rod to make screwed hole could lock bolt with the through hole of butterfly plate to corresponding when valve rod after butterfly plate installing when, thus this extremely complex being difficult to of mounting means operates, and dismounting when, also needing to, with specific purpose tool, bolt disassembles from butterfly plate the dismounting that could realize valve rod from butterfly plate, dismounting bothers the most very much.
Utility model content
Mesh one of the present utility model be to provide a kind of butterfly plate that at least can solve the problem that the problems referred to above and the disassembly and assembly structure of valve rod.
nullAbove-mentioned technical purpose one of the present utility model has the technical scheme that the disassembly and assembly structure of a kind of butterfly plate and valve rod,Described butterfly plate is symmetrically arranged with the first valve rod by same axis and the second valve rod,It is provided with the first disassembly and assembly structure between described first valve rod and butterfly plate、The second disassembly and assembly structure it is provided with between second valve rod and butterfly plate,And described first disassembly and assembly structure and the second disassembly and assembly structure are symmetrical arranged with the centre mirror picture of butterfly plate,Described first disassembly and assembly structure includes being located at butterfly plate just to the circular-shaped, concave cavity on the first valve rod sidewall,Ring wall in described cavity is provided with evenly spaced back-off block,Described back-off block is provided with bottom counter-impression in being inverted lozenges,One end of described first valve rod counter-impression is provided with the fixture block of the outside projection matched with back-off block,Described fixture block is provided with the lozenges matched with described inversion lozenges,Described fixture block and draw-in groove realize the clamping with butterfly plate and disengaging in the first valve rod rotary course.
Pass through such scheme, butterfly plate and valve rod are installed when, have only to the cavity on the end alignment butterfly plate of the first valve rod, then the first valve rod is rotated, the back-off block that fixture block will snap in and be equipped with it, lozenges and inversion lozenges are during fixture block and back-off block mutually rotate and snap in, form extruding, ensure that the connectivity robustness between the first valve rod and butterfly plate, be also adopted by identical method and the second valve rod is installed, so achieve the connection between valve rod and butterfly plate and install;When needs dismounting valve rod when, it is only necessary to rotate backward the first valve rod and the second valve rod, just can realize disassembling the first valve rod and the second valve rod from butterfly plate.
It is optimized for further: described back-off block arranges four on the ring wall of cavity uniformly, and the fixture block being arranged on the first valve rod accordingly is also configured as four.
By such scheme, back-off block being uniformly arranged into 4, by fixture block and the mutual clamping of back-off block when, snap effect is more firm.
Being optimized for further: the limit rib being set to cavity ring wall projection dorsad of described back-off block, another side is set to the circular arc spigot surface to cavity ring wall transition.
Pass through such scheme, by circular arc spigot surface, make fixture block more smooth and easy when screwing in back-off block, when making fixture block screw-in back-off block realize clamping by limit rib, it is prevented from it excessively to rotate, and when rotating to be inverted lozenges limit rib on one side, the contact site of fixture block and draw-in groove is most, so snap effect is best.
It is optimized for further: described lozenges is 15 degree with the angle of vertical direction.
The purpose of this utility model two is to provide a kind of butterfly valve that at least can solve the problem that the problems referred to above.
Above-mentioned technical purpose two of the present utility model has the technical scheme that a kind of butterfly valve, including valve body, is provided with the disassembly and assembly structure of above-mentioned butterfly plate and valve rod in described valve body.
By such scheme, butterfly valve arranges this disassembly and assembly structure, will become more convenient dismounting butterfly plate with valve rod when.
It is optimized for further: the bottom of described valve body is provided with mounting seat and the valve neck being on same axis with mounting seat, and described second valve rod penetrates valve body by mounting seat, the first valve rod penetrates valve body by valve neck.
Pass through such scheme, valve rod is installed when, first butterfly plate is placed in valve body, then the second valve rod realizes installing after the cavity rotation of base alignment valve body, first valve rod realizes installing after the cavity rotation of valve neck alignment valve body, thus realizes valve rod in butterfly valve and install with the convenient of valve body.
Being optimized for further: described first valve rod penetrates valve neck portion and is provided with in worm screw section, and valve neck and is provided with perpendicular handwheel, described handwheel connects the worm screw section having worm gear and arrange on the first valve rod and realizes bonding.
Pass through such scheme, hand wheel rotating will drive worm gear wheel, worm gear wheel rotates driving the worm screw section on the first valve rod, and then drive butterfly plate rotation together with the second valve rod, realize the keying function between butterfly plate and valve body, use this handwheel to drive the mode of worm and gear to operate the keying of butterfly plate, reach laborsaving easy-operating effect.
In sum, this utility model has the advantages that and valve rod is arranged to the first valve rod and the second valve rod, realizing installing with butterfly plate when, have only to the cavity being respectively aligned on the butterfly plate of setting, just can realize installing, it is not necessary to use other instrument, reach the effect of easy disassembly.
Accompanying drawing explanation
Fig. 1 is butterfly plate and the first valve rod, the decomposing schematic representation of the second valve rod of embodiment one;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the butterfly plate cavity top view of embodiment;
Fig. 4 is the butterfly valve schematic diagram of embodiment two.
In figure, 1, butterfly plate;21, the first valve rod;211, worm screw section;22, the second valve rod;3, fixture block;31, lozenges;4, cavity;5, back-off block;51, it is inverted lozenges;52, circular arc spigot surface;53, limit rib;6, valve body;61, valve neck;62, valve seat;7, handwheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
nullEmbodiment one,Butterfly plate 1 and the disassembly and assembly structure of valve rod,See accompanying drawing 1,Include butterfly plate 1 be arranged on the symmetrical both sides of butterfly plate 1 and cross the first valve rod 21 and the second valve rod 22 of same axis,It is provided with the first disassembly and assembly structure between the first valve rod 21 butterfly plate 1,The second disassembly and assembly structure (being not drawn in figure) it is provided with between the second valve rod 22 and butterfly plate 1,And first disassembly and assembly structure and the second disassembly and assembly structure be symmetrical arranged with the centre mirror picture of butterfly plate 1,First disassembly and assembly structure sees accompanying drawing 2 and accompanying drawing 3,Include and be located at butterfly plate 1 sidewall and just to the circular-shaped, concave cavity 4 on the first valve rod 21,Ring wall in cavity 4 is provided with evenly spaced four back-off blocks 5,Back-off block 5 is provided with bottom counter-impression 4 in being inverted lozenges 51,One end of first valve rod 21 counter-impression 4 is provided with the fixture block 3 of the outside projection matched with back-off block 5,Described fixture block 3 is provided with the lozenges 31 matched with described inversion lozenges 51,And back-off block 5 while being set to the limit rib 53 of cavity 4 ring wall projection dorsad,Another side is set to the circular arc spigot surface 52 to cavity 4 ring wall transition.
Concrete assembling process is as follows:
One end with fixture block 3 of first valve rod 21 is directed at the cavity 4 of butterfly plate 1 and stretches into cavity 4, then the first valve rod 21 is rotated, the back-off block 5 that fixture block 3 will snap in and be equipped with it, during snapping in, the lozenges 31 of fixture block 3 will screw in inversion lozenges 51 by circular arc spigot surface 52, during fixture block 3 and back-off block 5 mutually rotate and snap in, lozenges 31 forms extruding with being inverted lozenges 51, ensure that the connectivity robustness between the first valve rod 21 and butterfly plate 1, and by being arranged on the limit rib 53 of back-off block 5 another side, it is prevented from it excessively to rotate, and when rotating to be inverted lozenges 51 limit rib 53 on one side, the contact site of fixture block 3 and draw-in groove is most, snap effect is optimal;Installing the second valve rod 22 when, owing to the second detaching structure and the first detaching structure are specular, thus when the end alignment cavity 4 of the second valve rod 22 when, realize clamping with the direction oppositely oriented with the first valve rod 21 and install.
Embodiment two, a kind of butterfly valve, see accompanying drawing 4, including valve body 6, be provided with mounting seat and the valve neck 61 being on same axis with mounting seat in the bottom of valve body 6, the second valve rod 22 penetrates valve body the 6, first valve rod 21 by mounting seat and penetrates valve body 6 by valve neck 61, and the first valve rod 21 penetrates valve neck 61 part and is provided with worm screw section 211, and on valve neck 61, it being provided with perpendicular handwheel 7, described handwheel 7 connects the worm screw section 211 having worm gear and arrange on the first valve rod 21 and realizes bonding.
This butterfly valve installs valve rod and base plate when, first butterfly plate 1 is placed in valve body 6, then the second valve rod 22 realizes installing after rotating through the cavity 4 of base alignment valve body 6, and the first valve rod 21 is directed at after the cavity 4 of valve body 6 rotates through valve neck 61 and realizes installing;Operating this butterfly valve when, handwheel 7 rotates will drive worm gear wheel, and worm gear wheel will drive the worm screw section 211 on the first valve rod 21 to rotate, and then drive butterfly plate 1 rotation together with the second valve rod 22, it is achieved the keying function between butterfly plate 1 and valve body 6.

Claims (7)

  1. null1. a butterfly plate and the disassembly and assembly structure of valve rod,It is characterized in that,Described butterfly plate (1) is symmetrically arranged with the first valve rod (21) by same axis and the second valve rod (22),It is provided with the first disassembly and assembly structure between described first valve rod (21) and butterfly plate (1)、It is provided with the second disassembly and assembly structure between second valve rod (22) and butterfly plate (1),And described first disassembly and assembly structure and the second disassembly and assembly structure are symmetrical arranged with the centre mirror picture of butterfly plate (1),Described first disassembly and assembly structure includes being located at butterfly plate (1) just to the circular-shaped, concave cavity (4) on the first valve rod (21) sidewall,Ring wall in described cavity (4) is provided with evenly spaced back-off block (5),Described back-off block (5) is provided with counter-impression (4) bottom in being inverted lozenges (51),One end of described first valve rod (21) counter-impression (4) is provided with the fixture block (3) of the outside projection matched with back-off block (5),Described fixture block (3) is provided with the lozenges (31) matched with described inversion lozenges (51),Described fixture block (3) and draw-in groove realize the clamping with butterfly plate (1) and disengaging in the first valve rod (21) rotary course.
  2. Butterfly plate the most according to claim 1 and the disassembly and assembly structure of valve rod, it is characterized in that, described back-off block (5) arranges four on the ring wall of cavity (4) uniformly, and the fixture block (3) being arranged on accordingly on the first valve rod (21) is also configured as four.
  3. Butterfly plate the most according to claim 2 and the disassembly and assembly structure of valve rod, it is characterized in that, described back-off block (5) while being set to the limit rib (53) of cavity (4) ring wall projection dorsad, another side is set to the circular arc spigot surface (52) to cavity (4) ring wall transition.
  4. Butterfly plate the most according to claim 3 and the disassembly and assembly structure of valve rod, it is characterised in that described lozenges (31) is 15 degree with the angle of vertical direction.
  5. 5. a butterfly valve, including valve body (6), it is characterised in that be provided with the disassembly and assembly structure of the butterfly plate (1) as described in claim 1-4 is arbitrary and valve rod in described valve body (6).
  6. Butterfly valve the most according to claim 5, it is characterized in that, the bottom of described valve body (6) is provided with mounting seat and the valve neck (61) being on same axis with mounting seat, and described second valve rod (22) penetrates valve body (6) by mounting seat, the first valve rod (21) penetrates valve body (6) by valve neck (61).
  7. Butterfly valve the most according to claim 6, it is characterized in that, described first valve rod (21) penetrates valve neck (61) part and is provided with worm screw section (211), and on valve neck (61), it being provided with perpendicular handwheel (7), described handwheel (7) connects the worm screw section (211) having worm gear and arrange on the first valve rod (21) and realizes bonding.
CN201620291768.3U 2016-04-09 2016-04-09 Dismouting structure of butterfly plate and valve rod and have butterfly valve of this structure Expired - Fee Related CN205534279U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620291768.3U CN205534279U (en) 2016-04-09 2016-04-09 Dismouting structure of butterfly plate and valve rod and have butterfly valve of this structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620291768.3U CN205534279U (en) 2016-04-09 2016-04-09 Dismouting structure of butterfly plate and valve rod and have butterfly valve of this structure

Publications (1)

Publication Number Publication Date
CN205534279U true CN205534279U (en) 2016-08-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799518A (en) * 2018-08-29 2018-11-13 致和环境科技(江苏)有限公司 Rectangular butterfly valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799518A (en) * 2018-08-29 2018-11-13 致和环境科技(江苏)有限公司 Rectangular butterfly valve

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20180409

CF01 Termination of patent right due to non-payment of annual fee