CN107559439A

CN107559439A - A kind of valve

Info

Publication number: CN107559439A
Application number: CN201711066234.6A
Authority: CN
Inventors: 邵丽娃
Original assignee: Individual
Current assignee: Zhou Chang
Priority date: 2017-11-02
Filing date: 2017-11-02
Publication date: 2018-01-09
Anticipated expiration: 2037-11-02
Also published as: CN107559439B

Abstract

This application provides a kind of valve, including：Valve body, a pair of valve plates, drive mechanism and a moving member, the valve body has prepass, passage and valve pocket afterwards, the valve pocket connects the prepass with the rear passage, a pair of valve plates are located in the valve body, and it is articulated in the fixed plate of the valve body, the drive mechanism includes cylinder and a pair of guide pillars, the cylinder is fixed on the valve body, a pair of guide pillars are movably arranged on the upper lid of the valve body, stretching axis connection of the top of a pair of guide pillars with the cylinder, the moving member is fixedly mounted on the bottom of a pair of guide pillars, the moving member is in contact with a pair of valve plates.The valve that the application provides, valve mechanism is novel, during work operating personnel by making cylinder operation so as to driving moving member to move up and down, and then drive valve plate to realize the keying to valve port around jointed shaft rotation, so that the valve has, simple to operate, opening and closing time is short, can be to the advantages of water for flowing through valve is controlled, service life is long.

Description

A kind of valve

Technical field

The present invention relates to a kind of valve.

Background technology

Valve be in fluid system, for control the direction of fluid, pressure, flow device, be to make pipe arrangement and equipment Interior medium (liquid, gas, powder) flowing or stopping simultaneously controlling the device of its flow.Valve is pipeline fluid induction system Middle control unit, for changing path section and media flow direction, there is water conservancy diversion, cut-off, throttling, non-return, shunting or overflow The functions such as release.

Existing valve because limitation that driving structure selects causes the complex operation of valve, opening and closing time length, and There is relative slip between the sealing surface being in contact due to valve plate with valve seat, long-term friction can form damage, have impact on making for valve With life-span, particularly slide valve.

The content of the invention

It is an object of the invention to provide a kind of valve, solve that complex operation, opening and closing time are long, service life is short asks Topic.

In order to solve the above technical problems, the present invention provides following technical scheme：

A kind of valve, wherein, including：

Valve body, the valve body have prepass, rear passage and a valve pocket, the valve pocket by the prepass and it is described after passage Connection；

A pair of valve plates, a pair of valve plates are located in the valve body, and are articulated in the fixed plate of the valve body；

Drive mechanism, the drive mechanism include cylinder and a pair of guide pillars, and the cylinder is fixed on the valve body, a pair Guide pillar is movably arranged on the upper lid of the valve body, the stretching axis connection of the top of a pair of guide pillars with the cylinder；

One moving member, the moving member are fixedly mounted on the bottom of a pair of guide pillars, and the moving member connects with a pair of valve plates Touch；

Wherein, when the cylinder drives the moving member movement, the moving member drives a pair of valve plates to swing therewith, with Make the valve opening or closing.

Further, the cylinder drives the moving member to move down, actuating arm a pair of valve plates of driving of the moving member On the outside of middle part so that a pair of valve plates rotate around jointed shaft, and then cause the butting section of the bottom of a pair of valve plates and the valve pocket Valve port separates, and opens the valve.

Further, the cylinder drives the moving member to move up, and the actuating arm of the moving member drives a pair of valve plates Middle part on the outside of so that a pair of valve plates rotates around jointed shaft, so cause a pair of valve plates bottom butting section and the valve pocket Valve port closure, close the valve.

Further, the valve plate has articulated section and card top, and the articulated section is articulated under the fixed plate Portion, the card top are arranged on the side of the articulated section, when the moving member moves up, the convex arc blocking part of the actuating arm Keep out at the top of the card so that the valve is closed.

Further, the valve plate also has transition position and press section, when the moving member moves down, the actuating arm Underarm contradict the transition position and the press section successively so that the valve opening.

Further, the termination of the underarm can be contradicted on the transition position.

Further, the interior binding face of the underarm can be contradicted on the press section, the outer binding face of the underarm It can contradict on the flange of the upper shed of the valve pocket.

Further, the top of the actuating arm is connected on the lower surface of the top plate of the moving member.

Further, the actuating arm is a pair.

Further, the fixed plate extends to a pair of actuating arms through the mesopore of the top plate.

It can be seen from above-mentioned technical proposal the invention has the advantages that：

1. as a result of the driving structure of pneumatic type, so that the valve is simple to operate in use, open and close Time is short, improves operating efficiency；

2. as a result of moving member and rotatable valve plate, valve plate is driven to be put under the migration of moving member It is dynamic, thus avoid and occur to produce friction with respect to slip between the sealing surface of valve plate and the valve seat of valve body lower portion, so as to avoid To damage between valve plate and sealing surface, the service life of the valve is extended.

3. because valve plate can be swung in certain angular range so that when valve is opened, swung in valve plate different When angle, the diameter of its water stream channel can also change therewith, and swing angle is small, then water stream channel diameter is small, flows through Water it is then small, swing angle is big, then water stream channel diameter is big, and the water flowed through is then big, and water is flowed through so as to control How much.

The present invention is described in further detail with reference to the accompanying drawings and detailed description.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing of offer obtains other accompanying drawings.

Fig. 1 is the sectional view when valve port of the present invention is closed.

Fig. 2 is the sectional view when valve port of the present invention is opened.

Fig. 3 is the sectional view of the moving member of the present invention.

Fig. 4 is the sectional view of the valve plate of the present invention.

Fig. 5 is the sectional view of the valve body lower portion of the present invention.

Description of reference numerals：Cylinder -10, projecting shaft -11, guide pillar -12, substrate -13, support base -20, upper lid -30, movement Part -40, top plate -41, mesopore -411, actuating arm -42, underarm -421, outer binding face -4211, interior binding face -4212, convex arc support Stopper -422, fixed plate -50, valve plate -60, articulated section -61, card top -62, transition position -63, press section -64, butting section -65, Valve body -70, prepass -71, rear passage -72, left flange -73, right flange -74, upper flange -75, valve pocket -76, water inlet valve port - 761st, water outlet valve port -762, upper shed -763, flange -7631.

Embodiment

Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.

The application is described further below with reference to Fig. 1 to Fig. 5, a kind of valve as depicted in figs. 1 and 2, including：Valve Body 70, a pair of valve plates 60, drive mechanism and a moving member 40.As shown in Figure 1 and Figure 5, the valve body 70 have prepass 71, after Passage 72 and valve pocket 76, the valve pocket 76 connect the prepass 71 with the rear passage 72, the upper flange of the valve body 70 It is connected by screw between 75 and the upper lid 30 of valve body 70, leads between the upper lid 30 and the cylinder 10 of the drive mechanism Cross support base 20 to be connected, the valve body 70 also has left flange 73 and right flange 74, and the left flange 73 is located at prepass 71 left end, the right flange 74 are located at the right-hand member of rear passage 72.

As depicted in figs. 1 and 2, a pair of valve plates 60 are located in the valve body 70, and are articulated in the fixed plate of the valve body 70 On 50, the fixed plate 50 is fixedly connected on the lower end of the upper lid 30.

As depicted in figs. 1 and 2, the drive mechanism includes cylinder 10 and a pair of guide pillars 12, and the cylinder 10 is fixed on institute State on the support base 20 of valve body 70, a pair of guide pillars 12 are movably arranged on the upper lid 30 of the valve body 70, a pair of guide pillars 12 it is upper Projecting shaft 11 of the portion with the cylinder 10 is connected, and the drive mechanism also includes a substrate 13, and the substrate 13 is positioned at described Between projecting shaft 11 and the guide pillar 12, the top of the guide pillar 12 is connected by the substrate 13 with the projecting shaft 11, by In the driving structure be pneumatic type so that the valve it is simple to operate, can be achieved to automatically control, as long as cylinder 10 work To drive moving member 40 to move up and down, so as to drive valve plate 60 to be rotated around jointed shaft, so as to control the keying of the valve, existing skill In art, valve plate is generally overall structure, and compared with prior art, the present invention does not have to move up the entirety of valve plate 60 or the realization pair of lower in-migration The keying of valve, so as to shorten the opening and closing time of the valve, the response time of fluid circulation is improved, improves valve opening Operating efficiency.

As depicted in figs. 1 and 2, the moving member 40 is fixedly mounted on the bottom of a pair of guide pillars 12, the moving member 40 with A pair of valve plates 60 are in contact, and are flexibly connected between the moving member 40 and the fixed plate 50.

Wherein, when the cylinder 10 drives the moving member 40 to move up, the moving member 40 drives a pair of valve plates therewith Swung out on the outside of 60 middle part, so that the valve is closed；When the cylinder 10 drives the moving member 40 to move down, the shifting Moving part 40 drives inside backswing on the outside of the middle part of a pair of valve plates 60 therewith, so that the valve opening.

As shown in figure 4, the valve plate 60 has articulated section 61 and card top 62, the articulated section 61 is articulated in the fixation The bottom of plate 50, the left valve plate of the valve plate 60 are articulated in the lower left quarter of the fixed plate 50, the right valve plate pivot of the valve plate 60 The right lower quadrant of the fixed plate 50 is connected on, the card top 62 is arranged on the side of the articulated section 61, specifically, the left valve The card top 62 of plate is arranged on the left side of the articulated section 61 of the left valve plate, and 62 are arranged on the right side at the top of the card of the right valve plate The right side of the articulated section 61 of valve plate, sealing ring is provided between the contact surface of the valve seat of valve plate 60 and valve body 70 bottom, When the moving member 40 moves up, the convex arc blocking part 422 of the actuating arm 42 is kept out on 62 at the top of the card so that the valve Close.

As shown in Figure 3 and Figure 4, the valve plate 60 also has transition position 63 and press section 64, is moved down in the moving member 40 When, the underarm 421 of the actuating arm 42 contradicts the transition position 63 and the press section 64 successively so that the valve opening, During the moving member 40 moves down, the termination of the underarm 421 can be contradicted on the transition position 63, the underarm 421 Interior binding face 4212 can contradict on the press section 64, the outer binding face 4211 of the underarm 421 can be contradicted in the valve On the flange 7631 of the upper shed 763 of chamber 76.

As shown in figure 3, the top of the actuating arm 42 is connected on the lower surface of the top plate 41 of the moving member 40, it is described Actuating arm 42 is a pair, the fixed plate 50 extends to a pair of actuating arms 42 through the mesopore 411 of the top plate 41.

As shown in Fig. 2 when the cylinder 10 drives the moving member 40 to move down, the projecting shaft 11 extends, the shifting The actuating arm 42 of moving part 40 is driven on the outside of the middle part of a pair of valve plates 60 so that a pair of valve plates 60 rotate around jointed shaft, and then cause The butting section 65 of the bottom of a pair of valve plates 60 separates with the valve port of the valve pocket 76, that is, causes the water intaking valve of left valve plate and valve pocket 76 Certain angle is produced between mouth 761, produces certain angle between the water outlet valve port 762 of right valve plate and valve pocket 76 so that valve The press section 64 of plate 60 is bonded, caused the outer binding face 4211 and valve body 70 of moving member 40 with the interior binding face 4212 of moving member 40 Flange 7631 be in contact, to cause the middle part of the bottom of the moving member 40 and the valve plate 60 to be stuck in a left side for the valve body 70 Between right two flanges 7631, and then open the valve.

Particularly, during the moving member 40 moves down, when the termination of the underarm 421 is contradicted in the transition position When on 63, at this time moving member 40 just starts drive valve plate 60 and rotated so that butting section 65 and the valve port of the valve pocket 76 Separation.

In the present embodiment, when being opened to the valve, produced between the left valve plate and water inlet valve port 761 certain Angle, certain angle is produced between right valve plate and water outlet valve port 762, above-mentioned two angle when between 0 °~7.32 °, Valve can be opened, and current can be by when the angle ranging from 7.32 °, for the maximum angle of the rotation of valve plate 60, now flowing The water-carrying capacity crossed is maximum, due to there is provided rotatable valve plate 60, and because the angle that valve plate 60 rotates is different, its water stream channel Diameter it is also different, when the angle that valve plate 60 rotates is small, then the diameter of water stream channel is small, and the water flowed through is then few, When the angle that valve plate 60 rotates is big, then the diameter of water stream channel is big, and the water flowed through is then big, and therefore, the valve realizes valve Flow control, and the control response time is fast, meets engineering demand.

As shown in figure 1, when the cylinder 10 drives the moving member 40 to move up, the projecting shaft 11 shrinks, the shifting The actuating arm 42 of moving part 40 is driven on the outside of the middle part of a pair of valve plates 60 so that a pair of valve plates 60 rotate around jointed shaft, and then cause The butting section 65 of the bottom of a pair of valve plates 60 and the valve port of the valve pocket 76 close, that is, cause left valve plate will the water inlet envelope of valve port 761 Firmly so that right valve plate seals water outlet valve port 762 so that the flange 7631 of the press section 64 of the valve plate 60 and the valve body 70 Fitting, the convex arc blocking part 422 of the moving member 40 lean with the top of the card of the valve plate 60 62, and then close the valve.

Particularly, during the moving member 40 moves up, when the termination of the underarm 421 is contradicted in the transition position At this time moving member 40 just starts drive valve plate 60 and rotated when on 63 so that valve plate 60 closes valve port.

In the present invention, due to causing moving member 40 to move up and down under the induced effect of cylinder 10, so as to drive valve plate 60 articulated section 61 rotates around jointed shaft, and then controls the keying of the valve, in the rotary course of valve plate 60, avoids Due to producing friction with respect to slip between the sealing surface of valve plate 60 and the valve seat of valve body 70 bottom, sealing is destroyed, so as to Reduce the damage to valve plate 60 and sealing surface, extend the service life of the valve.

The valve is rotated by the articulated section 61 of drive valve plate 60 around jointed shaft, come realize water inlet valve port 761 with The closure of water outlet valve port 762, the closure is that one kind is extrusion type sealed, thus butting section 65 and water inlet valve port 761 or water outlet valve port During 762 closure, sealing ring is not damaged, hence in so that the service life length of the valve.

The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, Equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

A kind of 1. valve, it is characterised in that including：

Valve body (70), the valve body (70) have prepass (71), rear passage (72) and a valve pocket (76), and the valve pocket (76) is by institute Prepass (71) is stated to connect with the rear passage (72)；

A pair of valve plates (60), a pair of valve plates (60) are located in the valve body (70), and are articulated in the fixed plate of the valve body (70) (50) on；

Drive mechanism, the drive mechanism include cylinder (10) and a pair of guide pillars (12), and the cylinder (10) is fixed on the valve On body (70), a pair of guide pillars (12) are movably arranged on the upper lid (30) of the valve body (70), and the top of a pair of guide pillars (12) is equal It is connected with the projecting shaft (11) of the cylinder (10)；

One moving member (40), the moving member (40) are fixedly mounted on the bottom of a pair of guide pillars (12), the moving member (40) with A pair of valve plates (60) are in contact；

Wherein, when the cylinder (10) drives the moving member (40) mobile, the moving member (40) drives a pair of valves therewith Plate (60) is swung, so that the valve opening or closing.
2. valve according to claim 1, it is characterised in that the cylinder (10) drives the moving member (40) to move down, The actuating arm (42) of the moving member (40) is driven on the outside of the middle part of a pair of valve plates (60) so that a pair of valve plates (60) are around jointed shaft Rotation, and then the butting section (65) of the bottom of a pair of valve plates (60) is separated with the valve port of the valve pocket (76), open the valve Door.
3. valve according to claim 2, it is characterised in that the cylinder (10) drives the moving member (40) to move up, The actuating arm (42) of the moving member (40) is driven on the outside of the middle part of a pair of valve plates (60) so that a pair of valve plates (60) are around jointed shaft Rotation, and then the butting section (65) of the bottom of a pair of valve plates (60) is closed with the valve port of the valve pocket (76), close the valve Door.
4. valve according to claim 3, it is characterised in that the valve plate (60) has articulated section (61) and card top (62), the articulated section (61) is articulated in the bottom of the fixed plate (50), and (62) are arranged on the articulated section at the top of the card (61) side, when the moving member (40) moves up, the convex arc blocking part (422) of the actuating arm (42) is kept out in the card On top (62) so that the valve is closed.
5. valve according to claim 4, it is characterised in that the valve plate (60) also has transition position (63) and press section (64), when the moving member (40) moves down, the underarm (421) of the actuating arm (42) contradict successively the transition position (63) and The press section (64) so that the valve opening.
6. valve according to claim 5, it is characterised in that the termination of the underarm (421) can be contradicted in the transition Locate on (63).
7. valve according to claim 6, it is characterised in that the interior binding face (4212) of the underarm (421) can contradict On the press section (64), the outer binding face (4211) of the underarm (421) can contradict the upper shed in the valve pocket (76) (763) on flange (7631).
8. valve according to claim 2, it is characterised in that the top of the actuating arm (42) is connected to the moving member (40) on the lower surface of top plate (41).
9. valve according to claim 8, it is characterised in that the actuating arm (42) is a pair.
10. valve according to claim 9, it is characterised in that the fixed plate (50) is passed through in the top plate (41) Hole (411) is extended between a pair of actuating arms (42).