CN221374489U - Sealing protection structure of bidirectional pressure butterfly valve - Google Patents

Sealing protection structure of bidirectional pressure butterfly valve Download PDF

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Publication number
CN221374489U
CN221374489U CN202323143507.6U CN202323143507U CN221374489U CN 221374489 U CN221374489 U CN 221374489U CN 202323143507 U CN202323143507 U CN 202323143507U CN 221374489 U CN221374489 U CN 221374489U
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China
Prior art keywords
ring
elastic sealing
sealing ring
valve
butterfly valve
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Active
Application number
CN202323143507.6U
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Chinese (zh)
Inventor
王雪平
陈松
朱伟
居忠义
张泽龙
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Kedewao Valve Jiangsu Co ltd
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Kedewao Valve Jiangsu Co ltd
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Priority to CN202323143507.6U priority Critical patent/CN221374489U/en
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Abstract

The utility model relates to the field of bidirectional butterfly valves, in particular to a bidirectional butterfly valve sealing protection structure, which comprises a valve body, wherein a valve plate is rotationally connected inside the valve body, a mounting ring is fixedly arranged on the inner surface of the valve body, stepped elastic sealing rings are symmetrically and movably arranged on two sides of the mounting ring, a connecting groove is formed in the surface of one side of each stepped elastic sealing ring, a metal sealing ring is fixedly embedded and arranged inside the connecting groove, a first fixing ring is movably arranged on the other side of each stepped elastic sealing ring, and a second fixing ring is movably arranged on the other side of each stepped elastic sealing ring. According to the utility model, the impact force born by the elastic sealing ring can be reduced, the aging of the elastic sealing ring is slowed down, meanwhile, the elastic sealing ring and the metal sealing ring are disassembled on the premise that the valve rod and the valve plate are not integrally disassembled, the disassembly process is simplified, and the elastic sealing ring is convenient to install and replace rapidly.

Description

Sealing protection structure of bidirectional pressure butterfly valve
Technical Field
The utility model relates to the field of two-way butterfly valves, in particular to a sealing protection structure of a two-way butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline medium.
The bulletin number is: CN212338215U, the disclosed "a compound seal structure of two-way pressure-bearing fire control signal butterfly valve", including valve body and valve rod, the top of valve body and the surface swing joint of valve rod, swing joint has the butterfly plate between the top and the bottom of valve body inner wall, and the surface fixedly connected with sealing mechanism of butterfly plate, sealing mechanism includes elastic seal circle and metal seal circle, the dovetail with elastic seal circle looks adaptation has been seted up to the surface of butterfly plate, the bottom fixedly connected with spring of dovetail inner wall, the utility model relates to butterfly valve technical field. The composite sealing structure of the bidirectional pressure-bearing fire control signal butterfly valve comprises an elastic sealing ring and a metal sealing ring, wherein the elastic sealing ring and the metal sealing ring are combined for use, so that the deformation resistance of the sealing mechanism is improved, and under the action of a spring, the sealing mechanism can still be attached to a valve body after being used for a long time, and the service life of the sealing mechanism is prolonged;
When the valve rod and the valve plate are replaced, the valve rod and the valve plate are required to be integrally disassembled, the disassembly process is complicated, and the elastic sealing ring is inconvenient to install and replace quickly.
Disclosure of utility model
In order to overcome the technical problems, the utility model aims to provide a sealing protection structure of a bidirectional pressure butterfly valve, which is characterized in that two metal sealing rings are respectively clamped into connecting grooves on opposite sides, so that the two stepped elastic sealing rings are connected, the firmness and the extrusion resistance of the connecting part are improved, the first fixing ring and the second fixing ring fix the stepped elastic sealing rings on the outer side of a mounting ring, and simultaneously, the direct impact of water flow on the stepped elastic sealing rings is blocked, so that the impact force born by the stepped elastic sealing rings can be reduced, the ageing speed of the stepped elastic sealing rings is slowed down, otherwise, a nut is disassembled, and the first fixing ring and the second fixing ring are disassembled, so that the stepped elastic sealing rings and the metal sealing rings are disassembled on the premise that a valve rod and a valve plate are not integrally disassembled, the disassembly process is simplified, and the stepped elastic sealing rings are convenient to install and replace quickly.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a two-way butterfly valve seal protection structure that presses, includes the valve body, the inside rotation of valve body is connected with the valve plate, the inside fixed surface of valve body installs the collar, collar bilateral symmetry activity is equipped with echelonment elastic sealing ring, the spread groove has been seted up on echelonment elastic sealing ring one side surface, the inside fixed embedding of spread groove installs metal seal circle, one the activity of echelonment elastic sealing ring opposite side is equipped with the solid fixed ring No. one, another the activity of echelonment elastic sealing ring opposite side is equipped with the solid fixed ring No. two.
The method is further characterized in that: the valve is characterized in that a valve sleeve is fixedly embedded in the outer side surface of the valve body, a shell is fixedly arranged at the upper end of the valve sleeve, a rotating handle is movably embedded in the outer side surface of the shell, and a valve rod is rotatably connected in the valve sleeve.
The method is further characterized in that: the valve plate is characterized in that a thread groove is formed in the surface of the upper end of the valve plate, the valve rod is connected with the thread groove in a screwed mode, a blocking block is fixedly arranged on the surface of the outer side of the valve rod, and a connecting block is fixedly arranged on the surface of the lower end of the valve plate.
The method is further characterized in that: the installation ring is characterized in that a first through hole is formed in the upper end of the outer side surface of the installation ring, a connecting seat is fixedly arranged at the lower end of the inner side surface of the installation ring, the blocking block is in sliding connection with the first through hole, and the connecting block is rotationally connected with the connecting seat.
The method is further characterized in that: semicircular clamping grooves are symmetrically formed in the surface of one side of the outer side of the stepped elastic sealing ring, and the inner diameter of each semicircular clamping groove is identical to the outer diameter of the connecting seat and the outer diameter of the corresponding plugging block.
The method is further characterized in that: the fixed ring No. two, echelonment elastic seal circle and collar one side surface equal distance have seted up No. two through-holes, fixed ring one side surface equidistance fixed mounting has a plurality of screws, the screw rod runs through adjacent No. two through-holes, screw rod outside surface one end department closes soon and is connected with the nut.
The method is further characterized in that: the metal sealing ring is movably clamped and connected with the adjacent other connecting groove.
The utility model has the beneficial effects that:
1. Through semicircle draw-in groove laminating connecting seat and sprue, increase the leakproofness of this department, when two echelonment elastic sealing washer card in the collar both sides, two metal seal circle card respectively go into inside the spread groove of offside, make two echelonment elastic sealing washer connect to increase the fastness and the anti extrusion ability of junction, fixed ring and No. two fixed rings are fixed echelonment elastic sealing washer in the collar outside, block rivers to echelonment elastic sealing washer direct impact simultaneously, thereby can reduce the impact force that echelonment elastic sealing washer bore, slow down its ageing speed.
2. The valve plate is screwed, the angle of the valve plate is vertical to the mounting ring, the nut is screwed, the valve plate is disassembled, the first fixing ring and the second fixing ring are disassembled, the stepped elastic sealing ring is pulled towards two sides to be disassembled, and therefore the stepped elastic sealing ring and the metal sealing ring are disassembled on the premise that the valve rod and the valve plate are not integrally disassembled, the disassembling process is simplified, and the stepped elastic sealing ring is convenient to install and replace rapidly.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the split structure of the valve plate and the stepped elastic seal ring of the present utility model;
FIG. 3 is a schematic view of the overall vertical cross-section of the present utility model;
FIG. 4 is a schematic side cross-sectional view of a valve body and valve plate of the present utility model;
Fig. 5 is a schematic view of the overall oblique cross-section structure of the present utility model.
In the figure: 1. a valve body; 101. a valve sleeve; 102. a housing; 103. a rotating handle; 2. a valve plate; 201. a thread groove; 202. a valve stem; 203. blocking; 204. a connecting block; 3. a mounting ring; 301. a connecting seat; 302. a first through hole; 4. a stepped elastic seal ring; 401. a semicircular clamping groove; 402. a connecting groove; 403. a metal seal ring; 404. a second through hole; 5. a first fixing ring; 501. a screw; 502. a second fixing ring; 503. and (3) a nut.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, a sealing protection structure of a bi-directional butterfly valve comprises a valve body 1, a valve sleeve 101 is fixedly embedded in the outer side surface of the valve body 1, a housing 102 is fixedly arranged at the upper end of the valve sleeve 101, a rotating handle 103 is movably embedded in the outer side surface of the housing 102, a valve rod 202 is rotatably connected in the valve sleeve 101, a valve plate 2 is rotatably connected in the valve body 1, a mounting ring 3 is fixedly arranged on the inner side surface of the valve body 1, stepped elastic sealing rings 4 are symmetrically and movably arranged on two sides of the mounting ring 3, a connecting groove 402 is formed in one side surface of the stepped elastic sealing rings 4, a metal sealing ring 403 is fixedly embedded in the connecting groove 402, a first fixing ring 5 is movably arranged on the other side of one stepped elastic sealing ring 4, and a second fixing ring 502 is movably arranged on the other side of the other stepped elastic sealing ring 4.
The upper end surface of the valve plate 2 is provided with a thread groove 201, a valve rod 202 is connected with the thread groove 201 in a screwing way, a blocking block 203 is fixedly arranged on the outer side surface of the valve rod 202, a connecting block 204 is fixedly arranged on the lower end surface of the valve plate 2, and the valve plate 2 can be quickly disassembled and installed through screwing of the valve rod 202 and the thread groove 201; a first through hole 302 is formed in the upper end of the outer side surface of the mounting ring 3, a connecting seat 301 is fixedly arranged at the lower end of the inner side surface of the mounting ring 3, a blocking block 203 is in sliding connection with the first through hole 302, a connecting block 204 is in rotary connection with the connecting seat 301, the blocking block 203 blocks the mounting ring 3 and is attached to a semicircular clamping groove 401, and the sealing performance of the valve rod 202 is improved; a semicircular clamping groove 401 is symmetrically formed in the surface of one side of the outer side of the stepped elastic sealing ring 4, the inner diameter of the semicircular clamping groove 401 is the same as the outer diameters of the connecting seat 301 and the blocking block 203, and the semicircular clamping groove 401 is used for attaching the connecting seat 301 and the blocking block 203, so that the tightness of the position is improved; the metal sealing ring 403 is movably clamped and connected with the adjacent other connecting groove 402, when the two step-shaped elastic sealing rings 4 are clamped at two sides of the mounting ring 3, the two metal sealing rings 403 are respectively clamped into the connecting grooves 402 at the opposite sides, so that the two step-shaped elastic sealing rings 4 are connected, and the firmness and the extrusion resistance of the connecting part are improved; the second through holes 404 are formed in the second fixing ring 502, the step-shaped elastic sealing ring 4 and the mounting ring 3 at equal intervals, a plurality of screws 501 are fixedly mounted on the first fixing ring 5 at equal intervals on the first fixing ring 5, the screws 501 penetrate through the second adjacent through holes 404, nuts 503 are screwed and connected to one end of the outer side surface of the screws 501, the step-shaped elastic sealing ring 4 is fixed on the outer side of the mounting ring 3 through the first fixing ring 5 and the second fixing ring 502, meanwhile, water flow is blocked from directly impacting the step-shaped elastic sealing ring 4, so that impact force born by the step-shaped elastic sealing ring 4 can be reduced, the aging speed of the step-shaped elastic sealing ring is slowed down, otherwise, the valve plate 2 is screwed, the angle of the valve plate is made to be perpendicular to the mounting ring 3, the nuts 503 are screwed, the step-shaped elastic sealing ring 4 is pulled towards the two sides to be detached, and accordingly the step-shaped elastic sealing ring 4 and the metal sealing ring 403 are detached on the premise that the valve rod 202 and the valve plate 2 are not integrally detached, the detachment process is simplified, and rapid installation and replacement of the step-shaped elastic sealing ring 4 are facilitated.
Working principle: during the use, through the spiral of valve rod 202 and thread groove 201, make valve plate 2 dismantle and install fast, semicircle draw-in groove 401 is used for laminating connecting seat 301 and sprue 203, increase the leakproofness of this department, when two echelonment elastic sealing washer 4 card were in the collar 3 both sides, inside connecting groove 402 of opposite side was gone into to two metal seal rings 403 card respectively, make two echelonment elastic sealing washer 4 connect, and increase the fastness and the anti extrusion ability of junction, first solid fixed ring 5 and No. two solid fixed rings 502 are fixed echelonment elastic sealing washer 4 in the collar 3 outside, stop rivers simultaneously and directly strike echelonment elastic sealing washer 4, thereby can reduce the impact force that echelonment elastic sealing washer 4 bore, slow down its ageing speed, otherwise, twist valve plate 2, make its angle perpendicular with collar 3, twist nut 503, dismantle it, then remove first solid fixed ring 5 and No. two solid fixed rings 502, pull echelonment elastic sealing washer 4 to both sides, split it, thereby under the prerequisite that does not whole dismantlement valve rod 202 and valve plate 2, with echelonment elastic sealing washer 4 is simplified, and metal seal ring 4 is carried out the echelonment elastic sealing washer 4, and the change fast, and the process of changing the echelonment elastic sealing washer 4 is convenient for install fast.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims (7)

1. The utility model provides a two-way butterfly valve seal protection architecture that presses, its characterized in that, including valve body (1), valve body (1) inside rotation is connected with valve plate (2), valve body (1) inside surface fixed mounting has collar (3), collar (3) bilateral symmetry activity is equipped with echelonment elastic sealing ring (4), spread groove (402) have been seted up on echelonment elastic sealing ring (4) one side surface, metal sealing ring (403) are installed to spread groove (402) inside fixed embedding, one echelonment elastic sealing ring (4) opposite side activity is equipped with fixed ring (5) No. one, another echelonment elastic sealing ring (4) opposite side activity is equipped with fixed ring (502) No. two.
2. The sealing and protecting structure of the bi-directional pressure butterfly valve according to claim 1, wherein a valve sleeve (101) is fixedly embedded in the outer side surface of the valve body (1), a shell (102) is fixedly arranged at the upper end of the valve sleeve (101), a rotating handle (103) is movably embedded in the outer side surface of the shell (102), and a valve rod (202) is rotatably connected in the valve sleeve (101).
3. The sealing and protecting structure of the bi-directional pressure butterfly valve according to claim 2, wherein a thread groove (201) is formed in the upper end surface of the valve plate (2), the valve rod (202) is screwed with the thread groove (201), a blocking block (203) is fixedly mounted on the outer side surface of the valve rod (202), and a connecting block (204) is fixedly mounted on the lower end surface of the valve plate (2).
4. The sealing and protecting structure of a bi-directional pressure butterfly valve according to claim 3, wherein a first through hole (302) is formed at the upper end of the outer side surface of the mounting ring (3), a connecting seat (301) is fixedly installed at the lower end of the inner side surface of the mounting ring (3), the blocking block (203) is slidably connected with the first through hole (302), and the connecting block (204) is rotatably connected with the connecting seat (301).
5. The sealing and protecting structure of the bi-directional pressure butterfly valve according to claim 4, wherein semicircular clamping grooves (401) are symmetrically formed in the outer side surface of the stepped elastic sealing ring (4), and the inner diameter of each semicircular clamping groove (401) is the same as the outer diameters of the connecting seat (301) and the blocking block (203).
6. The sealing and protecting structure of the bi-directional pressure butterfly valve according to claim 1, wherein a second through hole (404) is formed in one side surface of the second fixing ring (502), the step-shaped elastic sealing ring (4) and the mounting ring (3) at equal intervals, a plurality of screws (501) are fixedly mounted on one side surface of the first fixing ring (5) at equal intervals, the screws (501) penetrate through the adjacent second through holes (404), and nuts (503) are screwed and connected at one end of the outer side surface of the screws (501).
7. The sealing and protecting structure of a bi-directional pressure butterfly valve according to claim 1, wherein the metal sealing ring (403) is movably clamped and connected with the adjacent other connecting groove (402).
CN202323143507.6U 2023-11-21 2023-11-21 Sealing protection structure of bidirectional pressure butterfly valve Active CN221374489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323143507.6U CN221374489U (en) 2023-11-21 2023-11-21 Sealing protection structure of bidirectional pressure butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323143507.6U CN221374489U (en) 2023-11-21 2023-11-21 Sealing protection structure of bidirectional pressure butterfly valve

Publications (1)

Publication Number Publication Date
CN221374489U true CN221374489U (en) 2024-07-19

Family

ID=91891440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323143507.6U Active CN221374489U (en) 2023-11-21 2023-11-21 Sealing protection structure of bidirectional pressure butterfly valve

Country Status (1)

Country Link
CN (1) CN221374489U (en)

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