CN209622071U - A kind of pneumatic high-performance butterfly valve - Google Patents

A kind of pneumatic high-performance butterfly valve Download PDF

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Publication number
CN209622071U
CN209622071U CN201920259637.0U CN201920259637U CN209622071U CN 209622071 U CN209622071 U CN 209622071U CN 201920259637 U CN201920259637 U CN 201920259637U CN 209622071 U CN209622071 U CN 209622071U
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China
Prior art keywords
valve rod
valve
plate
butterfly
fixed plate
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CN201920259637.0U
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Chinese (zh)
Inventor
李云勉
姜丽
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ZHEJIANG SHANNENG INSTRUMENTS CO Ltd
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ZHEJIANG SHANNENG INSTRUMENTS CO Ltd
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Abstract

The utility model discloses a kind of pneumatic high-performance butterfly valves, belong to Pneumatic butterfly valve field, a kind of pneumatic high-performance butterfly valve, including valve body, valve body is rotatably connected to butterfly plate, butterfly plate is equipped with symmetrical two decks, deck is equipped with card slot, the inner wall of card slot is equipped with symmetrical two locating pieces, the upper end of valve body is rotatably connected to valve rod, the surface of valve rod has been fixedly attached Limit Bearing, the upper end of valve body is fixedly connected with seal pipe, rotation is socketed with valve rod in seal pipe, the upper end of seal pipe is fixedly connected with fixed plate, fixed plate is equipped with first through hole, rotation is socketed with valve rod in first through hole, fixed plate is equipped with fixing groove, the valve rod that it is arranged has the function of preventing from skidding, the tight fit between butterfly plate can be increased, reduce the abrasion between valve rod and butterfly plate, and the fixed plate being arranged can limit valve rod, so that valve rod is not Meeting upper and lower displacement generates loosening, extends the service life of butterfly valve.

Description

A kind of pneumatic high-performance butterfly valve
Technical field
The utility model relates to Pneumatic butterfly valve fields, more specifically to a kind of pneumatic high-performance butterfly valve.
Background technique
Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium Butterfly valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.
Butterfly valve is many kinds of with the development of technology, including a kind of pneumatic high-performance butterfly valve, existing pneumatic height Performance butterfly valve when in use, mostly there may be skidding between the valve rod and butterfly plate of setting, accelerate valve rod with Abrasion between butterfly plate, and it is possible to the generation of the case where valve rod upper and lower displacement occur, and then generate valve rod and loosen, greatly influence The service life of butterfly valve.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of pneumatic high-performance butterfly valve, The valve rod that it is arranged has the function of preventing from skidding, and can increase the tight fit between butterfly plate, reduce valve rod and butterfly plate Between abrasion, and be arranged fixed plate valve rod can be limited so that valve rod will not upper and lower displacement generate loosening, prolong The service life of butterfly valve is grown.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of pneumatic high-performance butterfly valve, including valve body, the valve body are rotatably connected to butterfly plate, and the butterfly plate is equipped with symmetrical Two decks, the deck are equipped with card slot, and the inner wall of the card slot is equipped with symmetrical two locating pieces, and the upper end of the valve body turns Dynamic to be connected with valve rod, the surface of the valve rod has been fixedly attached Limit Bearing, and the upper end of the valve body is fixedly connected with seal pipe, Rotation is socketed with valve rod in the seal pipe, and the upper end of the seal pipe is fixedly connected with fixed plate, and the fixed plate is equipped with the One through-hole, the interior rotation of the first through hole are socketed with valve rod, and the fixed plate is equipped with fixing groove, and the fixed plate is equipped with installation Slot, the inner wall contact connectio of the mounting groove have limit plate, and the fixed plate is equipped with avoiding hollow groove, and the fixed plate is equipped with the first spiral shell Pit, first threaded hole have been connected through a screw thread bolt, and the valve rod that it is arranged has the function of preventing from skidding, and can increase Tight fit between butterfly plate, reduces the abrasion between valve rod and butterfly plate, and the fixed plate being arranged can to valve rod into Row limit so that valve rod will not upper and lower displacement generate loosening, extend the service life of butterfly valve.
Further, the lower end of the valve rod is fixedly connected with limited block, and the limited block is equipped with symmetrical two limits Slot, the limited block are connected with card slot, are connected with locating piece in the limiting slot, and the company of valve rod and butterfly plate can be effectively fixed Position is connect, slipping phenomenon is prevented.
Further, the upper-end contact of the Limit Bearing is connected with limit plate, and the limit plate is equipped with the second through-hole, institute It states rotation in the second through-hole and is socketed with valve rod, the limit plate is equipped with the second threaded hole, and second threaded hole is connected by screw thread It is connected to bolt, the lower end of the bolt has been connected through a screw thread fixed plate, is limited, is avoided to the upper and lower position of valve rod The case where valve rod moves up.
Further, the valve body is equipped with sealing ring, and the inner surface contact connectio of the sealing ring has butterfly plate, works as butterfly plate When squeezing sealing ring, sealing ring has Packed effect, and butterfly plate is protected not ground because of friction is generated with valve body Damage.
Further, the surface of the valve rod has been fixedly attached Limit Bearing, and the surface of the Limit Bearing connects There is fixing groove, the position of valve rod is fixed in the fixing groove of fixed plate setting, can prevent valve rod from occurring in use Upper and lower displacement, to reduce the service life.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
(1) valve rod of this programme setting has the function of preventing from skidding, and can increase the tight fit between butterfly plate, drop Low abrasion between valve rod and butterfly plate, and the fixed plate being arranged can limit valve rod, so that valve rod will not be upper and lower Displacement generates loosening, extends the service life of butterfly valve.
(2) lower end of valve rod is fixedly connected with limited block, and limited block is equipped with symmetrical two limiting slots, and limited block is connected with Card slot is connected with locating piece in limiting slot, the link position of valve rod and butterfly plate can be effectively fixed, and it is existing to prevent skidding As.
(3) upper-end contact of Limit Bearing is connected with limit plate, and limit plate is equipped with the second through-hole, turning set in the second through-hole It is connected to valve rod, limit plate is equipped with the second threaded hole, and the second threaded hole has been connected through a screw thread bolt, and the lower end of bolt passes through screw thread It is connected with fixed plate, the upper and lower position of valve rod is limited, the case where valve rod moves up is avoided.
(4) valve body is equipped with sealing ring, and the inner surface contact connectio of sealing ring has butterfly plate, when butterfly plate squeezes sealing ring, Sealing ring has Packed effect, and butterfly plate is protected not to be worn because of friction is generated with valve body.
(5) surface of valve rod has been fixedly attached Limit Bearing, and the surface of Limit Bearing, which connects, fixing groove, by valve rod Position be fixed on fixed plate setting fixing groove in, can prevent valve rod from upper and lower displacement occurring in use, to drop Low service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the butterfly plate top view of the utility model;
Fig. 3 is the valve rod lower end surface structural schematic diagram of the utility model;
Fig. 4 is the fixed plate structure schematic diagram of the utility model;
Fig. 5 is the limit plate structural schematic diagram of the utility model.
Figure label explanation:
1 valve body, 11 sealing rings, 2 butterfly plates, 3 decks, 31 card slots, 32 locating pieces, 4 valve rods, 41 Limit Bearings, 42 limited blocks, 43 limiting slots, 5 seal pipes, 6 fixed plates, 61 first through hole, 62 fixing grooves, 63 mounting grooves, 64 avoiding hollow grooves, 65 first threaded holes, 7 Limit plate, 71 second through-holes, 72 second threaded holes, 8 bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh , it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with It is to be detachably connected, or be integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be with Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Fig. 1-5, a kind of pneumatic high-performance butterfly valve, including valve body 1 are please referred to, please refers to Fig. 1-5, valve body 1 is rotatably connected to Butterfly plate 2, butterfly plate 2 are equipped with symmetrical two decks 3, and deck 3 is equipped with card slot 31, and the inner wall of card slot 31 is equipped with symmetrical two positioning Block 32, the upper end of valve body 1 are rotatably connected to valve rod 4, and the surface of valve rod 4 has been fixedly attached Limit Bearing 41, and the upper end of valve body 1 is solid Surely it is connected with seal pipe 5, rotation is socketed with valve rod 4 in seal pipe 5, and the upper end of seal pipe 5 is fixedly connected with fixed plate 6, fixed Plate 6 is equipped with first through hole 61, and rotation is socketed with valve rod 4 in first through hole 61, and fixed plate 6 is equipped with fixing groove 62, and fixed plate 6 is equipped with Mounting groove 63, the inner wall contact connectio of mounting groove 63 have limit plate 7, and fixed plate 6 is equipped with avoiding hollow groove 64, and fixed plate 6 is equipped with first Threaded hole 65, the first threaded hole 65 have been connected through a screw thread bolt 8.
Fig. 2 and 3 are please referred to, the lower end of valve rod 4 is fixedly connected with limited block 42, and limited block 42 is equipped with symmetrical two limits Slot 43, limited block 42 are connected with card slot 31, locating piece 32 are connected in limiting slot 43, and valve rod 4 and butterfly plate 2 can be effectively fixed Link position, prevent slipping phenomenon.
Fig. 1 and 5 are please referred to, the upper-end contact of Limit Bearing 41 is connected with limit plate 7, and limit plate 7 is equipped with the second through-hole 71, Rotation is socketed with valve rod 4 in second through-hole 71, and limit plate 7 is equipped with the second threaded hole 72, and the second threaded hole 72 is connected through a screw thread There is bolt 8, the lower end of bolt 8 has been connected through a screw thread fixed plate 6, is limited to the upper and lower position of valve rod 4, avoids valve The case where bar 4 moves up.
Fig. 1 and 4 are please referred to, valve body 1 is equipped with sealing ring 11, and the inner surface contact connectio of sealing ring 11 has butterfly plate 2, works as butterfly When plate 2 squeezes sealing ring 11, sealing ring 11 has Packed effect, and butterfly plate 2 is protected not generate friction because of with valve body 1 And be worn, the surface of valve rod 4 has been fixedly attached Limit Bearing 41, and the surface of Limit Bearing 41, which connects, fixing groove 62, the position of valve rod 4 is fixed in the fixing groove 62 that fixed plate 6 is arranged, can be prevented on valve rod 4 from occurring in use Bottom offset, to reduce the service life.
When the pneumatic high-performance butterfly valve is installed, first valve rod 4 is downwardly into seal pipe 5, valve rod 4 moves down lower end card In the deck 3 being arranged into butterfly plate 2, the limited block 42 of 4 lower end of valve rod setting is sticked into the card slot 31 of the setting of deck 3, and deck 3 is arranged Locating piece 32 stick into the limiting slot 43 of the setting of limited block 42 and fix the position of valve rod 4 Yu butterfly plate 2, there is the work for preventing skidding With reducing the abrasion between valve rod 4 and butterfly plate 2, valve rod 4 moves down the Limit Bearing 41 that surface is fixedly attached and sticks into fixation In the fixing groove 62 that plate 6 is arranged, then limit plate 7 is sticked into mounting groove 63, the lower end of limit plate 7 is connected in limit shaft 41 upper end is held, then limit plate 7 is fixed on to bolt 8 by screw thread the position for fixing Limit Bearing 41 in mounting groove 63, So that valve rod 4 is not likely to produce the loosening of up and down direction, the service life of butterfly valve is extended.
The preferable specific embodiment of the above, only the utility model;But the protection scope of the utility model not office It is limited to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical new according to this The technical solution of type and its improvement design are subject to equivalent substitution or change, should all cover within the protection scope of the present utility model.

Claims (5)

1. a kind of pneumatic high-performance butterfly valve, including valve body (1), it is characterised in that: the valve body (1) is rotatably connected to butterfly plate (2), The butterfly plate (2) is equipped with symmetrical two decks (3), and the deck (3) is equipped with card slot (31), and the inner wall of the card slot (31) is set There are symmetrical two locating pieces (32), the upper end of the valve body (1) is rotatably connected to valve rod (4), and the surface of the valve rod (4) is solid Surely it is socketed with Limit Bearing (41), the upper end of the valve body (1) is fixedly connected with seal pipe (5), rotation in the seal pipe (5) It is socketed with valve rod (4), the upper end of the seal pipe (5) is fixedly connected with fixed plate (6), and it is logical that the fixed plate (6) is equipped with first Hole (61), the interior rotation of the first through hole (61) are socketed with valve rod (4), and the fixed plate (6) is equipped with fixing groove (62), described solid Fixed board (6) is equipped with mounting groove (63), and the inner wall contact connectio of the mounting groove (63) has limit plate (7), and the fixed plate (6) sets Have avoiding hollow groove (64), the fixed plate (6) is equipped with the first threaded hole (65), and first threaded hole (65) has been connected through a screw thread Bolt (8).
2. a kind of pneumatic high-performance butterfly valve according to claim 1, it is characterised in that: the lower end of the valve rod (4) is fixed It is connected with limited block (42), the limited block (42) is equipped with symmetrical two limiting slots (43), and the limited block (42) is connected with Card slot (31), the limiting slot (43) is interior to be connected with locating piece (32).
3. a kind of pneumatic high-performance butterfly valve according to claim 1, it is characterised in that: the upper end of the Limit Bearing (41) Contact connectio has limit plate (7), and the limit plate (7) is equipped with the second through-hole (71), rotation socket in second through-hole (71) Have valve rod (4), the limit plate (7) is equipped with the second threaded hole (72), and second threaded hole (72) has been connected through a screw thread spiral shell The lower end of bolt (8), the bolt (8) has been connected through a screw thread fixed plate (6).
4. a kind of pneumatic high-performance butterfly valve according to claim 1, it is characterised in that: the valve body (1) is equipped with sealing ring (11), the inner surface contact connectio of the sealing ring (11) has butterfly plate (2).
5. a kind of pneumatic high-performance butterfly valve according to claim 1, it is characterised in that: the surface of the valve rod (4) is fixed It is socketed with Limit Bearing (41), the surface of the Limit Bearing (41), which connects, fixing groove (62).
CN201920259637.0U 2019-03-01 2019-03-01 A kind of pneumatic high-performance butterfly valve Active CN209622071U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920259637.0U CN209622071U (en) 2019-03-01 2019-03-01 A kind of pneumatic high-performance butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920259637.0U CN209622071U (en) 2019-03-01 2019-03-01 A kind of pneumatic high-performance butterfly valve

Publications (1)

Publication Number Publication Date
CN209622071U true CN209622071U (en) 2019-11-12

Family

ID=68455435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920259637.0U Active CN209622071U (en) 2019-03-01 2019-03-01 A kind of pneumatic high-performance butterfly valve

Country Status (1)

Country Link
CN (1) CN209622071U (en)

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