CN207830576U - A kind of two-way butterfly valve - Google Patents

A kind of two-way butterfly valve Download PDF

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Publication number
CN207830576U
CN207830576U CN201820124318.4U CN201820124318U CN207830576U CN 207830576 U CN207830576 U CN 207830576U CN 201820124318 U CN201820124318 U CN 201820124318U CN 207830576 U CN207830576 U CN 207830576U
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CN
China
Prior art keywords
butterfly plate
ring
butterfly
valve
sealing
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
Application number
CN201820124318.4U
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Chinese (zh)
Inventor
陈兵
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.)
Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd
Original Assignee
Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd filed Critical Shandong Shanghai Industrial Valve Manufacturing Ltd By Share Ltd
Priority to CN201820124318.4U priority Critical patent/CN207830576U/en
Application granted granted Critical
Publication of CN207830576U publication Critical patent/CN207830576U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of two-way butterfly valves, include valve body, valve seat, butterfly plate and valve rod, taper overlay cladding is provided on the valve seat, the butterfly plate sealing ring with the sealing cooperation of taper overlay cladding is provided on the butterfly plate, the annular groove for installing butterfly plate sealing ring is installed on the butterfly plate, flexible pressure ring is set on the inner ring of the butterfly plate sealing ring, and the periphery of the elasticity pressure ring is butted on the inner ring wall of butterfly plate sealing ring, and the inner wall of the elasticity pressure ring is butted on the slot bottom of annular groove.Sealing surface uses circular cone overlaying surface, primary seal can be made to form reliable face sealing, and elastic pressure ring carries out elastic packing compensation to butterfly plate sealing ring, improves the sealing performance of valve, also prevents excessive hardness sealing from causing the abrasion of sealing surface.

Description

A kind of two-way butterfly valve
Technical field
The utility model is related to valve field, specifically a kind of two-way butterfly valve.
Background technology
Butterfly valve is a kind of regulating valve simple in structure, and the butterfly valve that can be used for the switch control of low pressure pipeline medium refers to butterfly Plate is disk, and a kind of valve of open and close is reached around valve shaft rotation.Butterfly valve is widely used in metallurgy, electric power, oil In work, municipal pipeline, it is used as and adjusts flow and block fluid use.General butterfly valve is influenced by self structure can only positive pressure-bearing Sealing, the floating valve seat Bidirectional pressure butterfly valve then developed using O-ring seal because simply preventing valve seat from revealing, sealing performance It is evidently poor, and the rigidity of its butterfly plate is often insufficient.
Invention content
The purpose of this utility model:In order to overcome the deficiencies of existing technologies, the utility model provides a kind of sealing performance The rigid strong two-way butterfly valve of good, butterfly plate.
The technical solution of the utility model:Include valve body, valve seat, butterfly plate and valve rod, cone is provided on the valve seat Shape overlay cladding is provided with the butterfly plate sealing ring with the sealing cooperation of taper overlay cladding on the butterfly plate, is installed on the butterfly plate Flexible pressure ring is arranged on the inner ring of the butterfly plate sealing ring for annular groove for installing butterfly plate sealing ring, the elasticity pressure ring Periphery is butted on the inner ring wall of butterfly plate sealing ring, and the inner wall of the elasticity pressure ring is butted on the slot bottom of annular groove.
Using above-mentioned technical proposal, sealing surface uses circular cone overlaying surface, and primary seal can be made to form reliable face sealing, and bullet Property pressure ring elastic packing compensation is carried out to butterfly plate sealing ring, improve the sealing performance of valve, also prevent excessive hardness close Envelope causes the abrasion of sealing surface.
The further setting of the utility model:The section of elastic pressure ring is in wavy, includes peak potion and peak potion both sides Valley, the peak potion top is against on the inner ring wall of butterfly plate sealing ring, and the bottom end of the valley is against on the slot bottom of annular groove, institute It states and is against on the side wall of annular groove on the outside of valley.
Using above-mentioned further setting, there is valley good supporting point can also prevent elasticity to enhance the elastic force of peak potion The excessive deformation of pressure ring.
The further setting of the utility model:The material of elastic pressure ring is 65Mn spring steel.
Further it is arranged using above-mentioned, has many advantages, such as excellent elastic property, there is heat-resisting, low-temperature resistance, corrosion-resistant.
The further setting again of the utility model:Valve rod includes upper valve rod and lower valve rod, is respectively arranged in butterfly plate top Portion and bottom are provided with radial hollow hole in the butterfly plate, several slanting gussets are equipped in the hollow hole.
Using above-mentioned setting further again, valve rod takes double short axle structure designs, butterfly plate then to use brace plate girder Formula designs, and valve is made to have the characteristic that rigidity is good, area of passage is big.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model specific embodiment;
Fig. 2 is the enlarged drawing at the utility model A;
Fig. 3 is the outline drawing of the utility model butterfly plate;
Wherein, valve body 1, valve seat 2, butterfly plate 3, valve rod 4, taper overlay cladding 21, butterfly plate sealing ring 31, annular groove 32, elasticity pressure Ring 33, peak potion 331, valley 332, upper valve rod 41, lower valve rod 42, hollow hole 34, gusset 35.
Specific implementation mode
A kind of two-way butterfly valve as shown in Figure 1 and Figure 2, includes valve body 1, valve seat 2, butterfly plate 3 and valve rod 4, on valve seat 2 It is provided with taper overlay cladding 21, the butterfly plate sealing ring 31 with the sealing cooperation of taper overlay cladding 21 is provided on butterfly plate 3, on butterfly plate 3 It is installed with the annular groove 32 for installing butterfly plate sealing ring 31, flexible pressure ring 33, bullet are set on the inner ring of butterfly plate sealing ring 31 The periphery of property pressure ring 33 is butted on the inner ring wall of butterfly plate sealing ring 31, and the inner wall of elastic pressure ring 33 is butted on the slot bottom of annular groove 32. The section of elastic pressure ring 33 is in wavy, including there are one peak potions 331 and two valley 332, valley 332 to be located at peak potion 331 Both sides, 331 top of peak potion are against on the inner ring wall of butterfly plate sealing ring 31, its elastic force is made to act directly on butterfly plate sealing ring 31, The bottom end of valley 332 is against on the slot bottom of annular groove 32, and outside is against on the side wall of annular groove 32, and each valley 332 is made to have two A supporting point.The material of elastic pressure ring 33 uses 65Mn spring steel materials.Sealing surface uses circular cone overlaying surface, can make primary seal shape It is sealed at reliable face, and elastic pressure ring carries out elastic packing compensation to butterfly plate sealing ring 31, improves the leakproofness of valve Can, also prevent excessive hardness sealing from causing the abrasion of sealing surface.
As shown in figure 3, valve rod 4 includes upper valve rod 41 and lower valve rod 42, it is respectively arranged in 3 top and bottom of butterfly plate, butterfly Plate 3 is internally provided with radial hollow hole 34, is run through without valve rod in hollow hole 34, increased using radial hollow structure Area of passage, flow resistance are also reduced, and slanting gusset 35 there are four being set in hollow hole 34, and gusset 35 is with respect to 3 axis of butterfly plate It is symmetrical arranged, both sides are respectively set two, increase the rigidity of butterfly plate 3, improve load-carrying properties.

Claims (4)

1. a kind of two-way butterfly valve includes valve body, valve seat, butterfly plate and valve rod, it is characterised in that:Cone is provided on the valve seat Shape overlay cladding is provided with the butterfly plate sealing ring with the sealing cooperation of taper overlay cladding on the butterfly plate, is installed on the butterfly plate Flexible pressure ring is arranged on the inner ring of the butterfly plate sealing ring for annular groove for installing butterfly plate sealing ring, the elasticity pressure ring Periphery is butted on the inner ring wall of butterfly plate sealing ring, and the inner wall of the elasticity pressure ring is butted on the slot bottom of annular groove.
2. a kind of two-way butterfly valve according to claim 1, it is characterised in that:The section of the elasticity pressure ring in wavy, Include peak potion and the valley of peak potion both sides, the peak potion top is against on the inner ring wall of butterfly plate sealing ring, the valley Bottom end is against on the slot bottom of annular groove, is against on the side wall of annular groove on the outside of the valley.
3. a kind of two-way butterfly valve according to claim 2, it is characterised in that:The material of the elasticity pressure ring is 65Mn springs Steel.
4. a kind of two-way butterfly valve according to claim 1 or 3, it is characterised in that:The valve rod includes upper valve rod under Valve rod is respectively arranged at the top and bottom of butterfly plate, and radial hollow hole is provided in the butterfly plate, if being equipped in the hollow hole Dry slanting gusset.
CN201820124318.4U 2018-01-25 2018-01-25 A kind of two-way butterfly valve Active CN207830576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820124318.4U CN207830576U (en) 2018-01-25 2018-01-25 A kind of two-way butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820124318.4U CN207830576U (en) 2018-01-25 2018-01-25 A kind of two-way butterfly valve

Publications (1)

Publication Number Publication Date
CN207830576U true CN207830576U (en) 2018-09-07

Family

ID=63394642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820124318.4U Active CN207830576U (en) 2018-01-25 2018-01-25 A kind of two-way butterfly valve

Country Status (1)

Country Link
CN (1) CN207830576U (en)

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Legal Events

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GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 261000 Huizhi Industrial Park, Yuandu, Zhongnan high tech Zone, taixiang street and Wenhua Road, Weifang Economic Development Zone, Shandong Province 91

Patentee after: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD.

Address before: 261000 2-2211, complex building 12, Qinghe Park, No. 5738, Dongfeng East Street, high tech Zone, Weifang City, Shandong Province

Patentee before: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD.