CN209705406U - A kind of butterfly valve for float glass lehr - Google Patents
A kind of butterfly valve for float glass lehr Download PDFInfo
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- CN209705406U CN209705406U CN201920555949.6U CN201920555949U CN209705406U CN 209705406 U CN209705406 U CN 209705406U CN 201920555949 U CN201920555949 U CN 201920555949U CN 209705406 U CN209705406 U CN 209705406U
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- connecting tube
- valve seat
- front axle
- half front
- butterfly
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Abstract
The utility model relates to a kind of butterfly valves for float glass lehr, including the valve seat matched, a connecting tube is separately connected on the barrel of valve seat two sides, butterfly plate is set in valve seat, the mandrel both ends of butterfly plate are separately connected half front axle and rear semiaxis, mandrel two sides connect semicircle flap, and the boss in valve seat is equipped with conical socket, and flap edge is equipped with the taper convex block matched；Circular stem seal circle, axle sleeve, carbon seal ring and gland are successively arranged on half front axle in connecting tube；The half front axle for stretching out connecting tube is connected with an actuator flange, and actuator flange is connected in connecting tube by preceding support.The utility model has the advantages that long service life, heat-resisting quantity is strong, guarantees the normal operation of production.
Description
Technical field
The utility model relates to float glass making equipment technical fields, more particularly to one kind to be used for float glass lehr
Butterfly valve.
Background technique
In float glass equipment, annealing kiln is one of three big main Thermal Equipments, and effect is controlledly to drop
The temperature of the warm cooling float glass come out from molten tin bath, makes the residual stress of its generation in the range of allowing, cut with satisfaction,
Transport and the requirement of following process.In float glass, glass, which is annealed, directly affects the quality and yield of product, it is therefore desirable to
Strict control annealing temperature, and temperature is closely bound up with air quantity.
In actual production, often appearance annealing is unstable, and glass plate fries the situation of plate and cutting difficulty, mainly due on plate
Air quantity difference under plate is big, big so as to cause the temperature difference.Annealing kiln is generally divided into 8 areas: the area A, the area B, the area C, the area D, Zone R, the area E,
The area F1 and the area F2.In the important closing temperature controlled region in the area A, the area B, the area C, the butterfly valve for adjusting air quantity is equipped on air hose.When production not
When the glass of same specification, the aperture of butterfly valve is different, needs frequently to adjust；The environment in the especially area A, the area B, the area C of annealing kiln is multiple
It is miscellaneous, temperature is high, butterfly valve need long lasting for work, easily cause the aging and abrasion of equipment, it is also very inconvenient to repair.
Currently, the service life of existing butterfly valve seal circle is 6 ~ 12 months, the workload that butterfly valve had not only increased operator is often replaced, but also
It influences the quality normally produced to stablize, causes production loss.
Utility model content
The purpose of this utility model is exactly that existing butterfly valve heat-resisting quantity is poor, sealing ring service life is short, maintenance in order to solve
Inconvenient problem provides a kind of novel butterfly valve for float glass lehr, conventional hermetic circle is not only substituted, improves
The service life of butterfly valve produces problem from maintenance bring, and heat-resisting quantity is strong, alleviate the aging and abrasion of equipment
Situation.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of butterfly valve for float glass lehr, including mutually matched valve seat and butterfly plate, the barrel of valve seat two sides
On be separately connected a connecting tube, butterfly plate is set in valve seat, butterfly plate includes a mandrel and two semicircles for being connected to mandrel two sides
The flap of shape, semiaxis after one end connection half front axle, the other end of mandrel connect, forward and backward semiaxis is rod-like structure, and the two is divided
She Yu not be in the cavity of both ends connecting tube, the cylinder of flap and valve seat cooperates, it is characterised in that:
The boss that one circle of connection is arranged along barrel middle line in valve seat, boss are equipped with conical socket, and the edge of flap is equipped with
Taper convex block, taper convex block and conical socket cooperate, to achieve the purpose that sealing by the tight fit of the conical surface.
Circular stem seal circle, axle sleeve, carbon seal ring and gland, core are successively arranged on half front axle in connecting tube
Simmer ring is close to the mandrel side of butterfly plate, to be used to guarantee the air-tightness of butterfly valve；
Carbon seal ring is set between axle sleeve and gland, to prevent carbon seal ring vibration；
Gland is connected by fastening bolt with preceding support, to pass through rotational fastener bolt for gland push-tight；
The setting of rear semiaxis in connecting tube is identical as half front axle.
The half front axle one end for stretching out connecting tube is equipped with the retaining ring for preventing axial motion, and half front axle and an actuator
Flange is connected, and actuator flange is connected with a pneumatic actuator for remotely controlling, to control butterfly plate by actuator
Rotation；
The rear semiaxis one end for stretching out connecting tube connects a pointer and switch mark plate, to pass through pointer and mark observation butterfly
The rotational angle of plate judges air force.
Actuator flange is fixed on preceding support one end, and the other end of preceding support is fixed in the connection pipe outer wall of valve seat；
Switch mark plate is fixed on one end of rear support, and the other end of rear support is fixed on the connecting tube of the valve seat other side
On.
Pneumatic actuator is the prior art, is the executive device with the opening and closing of air pressure power drive or control valve, and by title gas
Dynamic executing agency or pneumatic device, are mainly made of cylinder, piston, rotary shaft, end cap, sealing element, screw etc., the present apparatus passes through
Half front axle is connected with the rotary shaft in pneumatic actuator, achievees the purpose that rotary shaft drives half front axle rotation.
In the technical solution of the utility model, half front axle rotation is controlled by actuator, is connected to drive with half front axle
Butterfly plate rotation, the opening and closing degree in control valve seat, regulating air volume are come with this；When being completely in closed state, butterfly plate
The conical surface convex block of outer is matched with the conical socket of valve seat inner convex platform, achievees the effect that sealing, is passed through instead of original valve seat
Sealing ring is sealed with butterfly plate, improves the service life of butterfly valve, reduces the frequency of maintenance, ensure that the normal fortune of production
Row, furthermore carbon seal ring has not only acted as the effect of lubrication, and increases the heat-resisting quantity of butterfly valve, alleviates the old of equipment
Change and abrasion condition.
Detailed description of the invention
Fig. 1 is a kind of front view of butterfly valve for float glass lehr of the utility model；
Fig. 2 is a kind of top view of butterfly valve for float glass lehr of the utility model；
Fig. 3 is the A-A cross-sectional view of Fig. 1；
Fig. 4 is the B-B cross-sectional view of Fig. 2；
Fig. 5 is the C partial enlarged view of Fig. 3.
Specific embodiment
For the utility model is more clearly understood, float glass is used for one kind of the utility model with reference to the accompanying drawing
The butterfly valve of annealing kiln further illustrates that specific embodiment described herein is only used for explaining the utility model, is not used to limit
Determine the utility model.
Referring to fig. 2, Fig. 4, a kind of butterfly valve for float glass lehr, including mutually matched valve seat 1,1 liang of valve seat
It is separately connected a connecting tube 1a on the barrel of side, butterfly plate 2 is equipped in valve seat 1, butterfly plate 2 includes that a mandrel and two are connected to
Semiaxis 4 after one end connection half front axle 3, the other end of the semicircular flap 2b of mandrel two sides, mandrel 2a connect, 3 He of half front axle
Semiaxis 4 is rod-like structure afterwards, and the two is respectively arranged in the cavity of both ends connecting tube 1a, and flap 2b and the cylinder of valve seat 1 are matched
It closes, it is characterised in that:
Referring to Fig. 3, Fig. 5, the boss 15 that one circle of connection is arranged along barrel middle line in valve seat 1, it is recessed that boss 15 is equipped with taper
Slot 16, the edge of flap 2b are equipped with taper convex block 17, and taper convex block 17 and conical socket 16 cooperate, to pass through the tight of the conical surface
Close fit achievees the purpose that sealing.
Referring to fig. 4, circular stem seal circle 11, axle sleeve 12, graphite are successively arranged on the half front axle 3 in connecting tube 1a
Sealing ring 13 and gland 14, stem seal circle 11 is close to 2 side of butterfly plate, to be used to guarantee the air-tightness of butterfly valve；
Carbon seal ring 13 is set between axle sleeve 12 and gland 14, to prevent 13 vibration of carbon seal ring；
Gland 14 is connected by fastening bolt 19 with preceding support 5, with by rotational fastener bolt 19 that gland 14 is inside
Push-tight；
The setting of rear semiaxis 4 in connecting tube 1a is identical as half front axle 3.
Referring to Fig. 1, Fig. 2 and Fig. 4,3 one end of half front axle for stretching out connecting tube 1a is equipped with the retaining ring for preventing axial motion
10, and half front axle 3 is connected with an actuator flange 7, actuator flange 7 and a pneumatic actuator 8 for remotely controlling
It is connected, to control the rotation of butterfly plate by actuator；
4 one end of rear semiaxis for stretching out connecting tube 1a connects a pointer 9 and switch mark plate 18, to pass through pointer and mark
The rotational angle of butterfly plate is observed to judge air force；
Actuator flange 7 is fixed on preceding 5 one end of support, and the other end of preceding support 5 is fixed on the connecting tube 1a outer wall of valve seat 1
On；
Switch mark plate 18 is fixed on one end of rear support 6, and the other end of rear support 6 is fixed on the company of 1 other side of valve seat
On adapter tube 1a.
Pneumatic actuator 8 is the prior art, is the executive device with the opening and closing of air pressure power drive or control valve, and by title gas
Dynamic executing agency or pneumatic device, are mainly made of cylinder, piston, rotary shaft, end cap, sealing element, screw etc., the present apparatus passes through
Half front axle 3 is connected with the rotary shaft in pneumatic actuator 8, to drive half front axle 3 to revolve by the rotation of control rotary shaft
Turn, achievees the purpose that flap 2b is opened and closed.
In the utility model, pointer 9 and switch mark plate 18 are made of stainless steel, and are used to indicate butterfly valve opening；Half front axle 3
It is made with rear semiaxis 4, preceding support 5, rear support 6 and actuator flange 7 of carbon steel, through over mechanical processing；14 carbon steel of gland
Manufacture, for compressing carbon seal ring 13；Valve seat 1 is welded by carbon steel, interior for installing main parts size through over mechanical processing
Portion's weldering has conical socket 16 there are two the steel boss 15 of semi arch thereon, for cooperating with the taper convex block 17 on butterfly plate 2,
It seals；The manufacture of flap 2b carbon steel, it is free to rotate；Remote control pneumatic actuator 8 is for controlling butterfly valve opening；Graphite
13 high temperature resistant of sealing ring, good seal performance, heat-proof quality are good；Axle sleeve 12 is used to prevent 13 vibration of carbon seal ring；Mandrel is close
Seal 11 is manufactured by heat-resisting material, guarantees butterfly valve air-tightness.
The utility model controls half front axle 3 by actuator and rotates, so that the butterfly plate 2 being connected with half front axle 3 is driven to rotate,
By the cooperation between flap 2b and valve seat 1, come the opening and closing degree in control valve seat 1, regulating air volume；It is closed when being completely in
When conjunction state, the conical surface convex block 17 of 2 outer of butterfly plate is matched with the conical socket 16 of 1 inner convex platform 15 of valve seat, reaches the effect of sealing
Fruit is sealed by sealing ring and butterfly plate instead of original valve seat, improves the service life of butterfly valve, reduce the frequency of maintenance
Rate ensure that the normal operation of production, and furthermore carbon seal ring has not only acted as the effect of lubrication, and increases the resistance to of butterfly valve
It is high temperatures, alleviate aging and the abrasion condition of equipment.
Claims (3)
1. a kind of butterfly valve for float glass lehr divides on the barrel of valve seat (1) two sides including cylindric valve seat (1)
Not Lian Jie a connecting tube (1a), be equipped with butterfly plate (2) in valve seat (1), mandrel one end (2a) connection half front axle (3) of butterfly plate (2),
Semiaxis (4) after other end connection, forward and backward semiaxis are respectively arranged in the cavity of both ends connecting tube (1a), the connection of the mandrel two sides (2a)
Two semicircular flaps (2b), the cylinder cooperation of flap (2b) and valve seat (1), it is characterised in that:
The boss (15) that one circle of connection is arranged along barrel middle line in valve seat (1), boss (15) are equipped with conical socket (16), flap
The edge of (2b) is equipped with taper convex block (17), and taper convex block (17) and conical socket (16) cooperate；
Circular stem seal circle (11), axle sleeve (12), graphite grazing are successively arranged on half front axle (3) in connecting tube (1a)
(13) and gland (14) are enclosed, stem seal circle (11) is set to axis close to the side mandrel (2a) of butterfly plate (2), carbon seal ring (13)
It covers between (12) and gland (14), gland (14) is connected by fastening bolt (19) with preceding support (5)；
The setting of rear semiaxis (4) in connecting tube (1a) is identical as half front axle (3)；
Stretch out connecting tube (1a) half front axle (3) be connected with an actuator flange (7), actuator flange (7) be used for remotely
The pneumatic actuator (8) of control is connected；
Actuator flange (7) is fixed on preceding support (5) one end, and the other end of preceding support (5) is fixed on the connecting tube of valve seat (1)
On (1a) outer wall.
2. a kind of butterfly valve for float glass lehr according to claim 1, it is characterised in that:
Rear semiaxis (4) one end for stretching out connecting tube (1a) connects a pointer (9) and switch mark plate (18), switch mark plate
(18) it is fixed on a rear support (6), rear support (6) is fixed in the connecting tube (1a) of valve seat (1).
3. a kind of butterfly valve for float glass lehr according to claim 1 or 2, it is characterised in that:
Half front axle (3) one end for stretching out connecting tube (1a) is equipped with the retaining ring (10) for preventing axial motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555949.6U CN209705406U (en) | 2019-04-23 | 2019-04-23 | A kind of butterfly valve for float glass lehr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920555949.6U CN209705406U (en) | 2019-04-23 | 2019-04-23 | A kind of butterfly valve for float glass lehr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705406U true CN209705406U (en) | 2019-11-29 |
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ID=68650249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920555949.6U Active CN209705406U (en) | 2019-04-23 | 2019-04-23 | A kind of butterfly valve for float glass lehr |
Country Status (1)
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| CN (1) | CN209705406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973714A (en) * | 2019-04-23 | 2019-07-05 | 蚌埠中光电科技有限公司 | A kind of butterfly valve for float glass lehr |
-
2019
- 2019-04-23 CN CN201920555949.6U patent/CN209705406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973714A (en) * | 2019-04-23 | 2019-07-05 | 蚌埠中光电科技有限公司 | A kind of butterfly valve for float glass lehr |
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