CN207814482U - Double plate valve - Google Patents

Abstract

The utility model is related to position moushroom valve, a kind of double plate valve is disclosed.In the utility model, double plate valve include upper valve body, lower valve body, spool, the first valve seat being arranged in upper valve body, with matched first valve disc of the first valve seat, the second valve seat, with matched second valve disc of the second valve seat, upper disk seat, the first disc spring, the first disc spring seat to offset with the first disc spring and the first valve disc, the second disc spring, the second disc spring seat, the upper bracket being connected with upper disk seat, the upper valve rod being connected with upper bracket, the upper rocking bar being connected with upper valve rod, the upper cylinder being connected with upper rocking bar；Third valve seat and the matched third valve disc of third valve seat, the 4th valve seat and matched 4th valve disc of the 4th valve seat, lower wall seat, third disc spring, third disc spring seat, the 4th disc spring, the 4th disc spring seat, lower bracket, lower valve rod, lower rocking bar, the lower cylinder being arranged in lower valve body.Compared with prior art so that the double plate valve sealing effect is good, and service life is long.

Description

Double plate valve

Technical field

The utility model is related to moushroom valve, more particularly to a kind of double plate valve.

Background technology

In the higher graininess of hardness or dust-like material and slurry delivery system, existing valve is due to valve seal Face can quickly by jump the queue therebetween material abrasion, high-velocity fluid seal failure is made to valve sealing face erosion, material conveying leakage. Therefore the continuous long-term normal work under bad working environments, it may appear that wear must not the valve infrequently replaced or repaired, use Short life is inconvenient for operation.

Utility model content

The purpose of this utility model is to provide a kind of double plate valves so that the double plate valve sealing effect is good, and service life is long.

In order to solve the above technical problems, the embodiment of the utility model provides a kind of double plate valve, including：Upper valve body, The lower valve body that is oppositely arranged with the upper valve body, is arranged in the upper valve spool for connecting the upper valve body and the lower valve body Internal the first valve seat, with matched first valve disc of first valve seat, be arranged on the spool and with first valve The second valve seat that seat is oppositely arranged, with matched second valve disc of second valve seat, connect first valve disc and described the The first disc spring to offset with the upper disk seat in the upper disk seat and first disc spring is arranged in the upper disk seat of two valve discs The second dish to offset with the upper disk seat in the upper disk seat is arranged in the first disc spring seat for offseting with first valve disc Spring, the second disc spring seat to offset with second disc spring and second valve disc, the upper bracket being connected with the upper disk seat, with The upper bracket is connected and has the upper valve rod of the spool support, the upper rocking bar being connected with the upper valve rod and the upper rocking bar The upper cylinder for being connected and being used to that the upper rocking bar to be pushed to shake；And first disc spring is for pushing the first disc spring seat direction First valve seat direction moves, and the first disc spring seat is used to push first valve disc close after being pushed by first disc spring Seal first valve seat；Second disc spring is for pushing the second disc spring seat to be moved towards second valve seat direction, institute It states after the second disc spring seat is pushed by second disc spring for pushing second valve disc to seal second valve seat；

The double plate valve further includes：It is the third valve seat that is arranged in the lower valve body, matched with the third valve seat Third valve disc, the 4th valve seat for being arranged on the spool and being oppositely arranged with the third valve seat and the 4th valve seat phase 4th valve disc of cooperation, the lower wall seat for connecting the third valve disc and the 4th valve disc are arranged in the lower wall seat and institute State the third disc spring and the third disc spring that lower wall seat offsets and the third disc spring seat that the third valve disc offsets, setting The 4th disc spring that offsets with the lower wall seat in the lower wall seat offsets with the 4th disc spring and the 4th valve disc The 4th disc spring seat, the lower bracket being connected with the lower wall seat, the lower valve that is connected with the lower bracket and has spool support Bar, the lower rocking bar being connected with the lower valve rod are connected with the lower rocking bar and the lower cylinder for pushing the lower rocking bar；And institute Third disc spring is stated for pushing the third disc spring seat to be moved towards third valve seat direction, the third disc spring seat is described Third disc spring after pushing is used to that the third valve disc to be pushed to seal the third valve seat；4th disc spring is for pushing described the Four disc spring seats are moved towards the 4th valve seat direction, and the 4th disc spring seat is used to push institute after being pushed by the 4th disc spring It states the 4th valve disc and seals the 4th valve seat；

Wherein, the upper rocking bar is used to rotate in the upper valve rod for shaking the upper valve rod rotation, the upper bracket After drive the upper bracket to swing, the upper bracket drives the upper disk seat to swing after swinging, the upper disk seat drives after swinging First valve disc and second valve disc are swung；First valve disc is additionally operable to grind when swinging miscellaneous on the first valve seat Matter；Second valve disc is additionally operable to grind the impurity on the second valve seat when swinging；

The lower rocking bar is used to after lower valve rod rotation drive for shaking the lower valve rod rotation, the lower bracket The lower bracket is swung, and the lower bracket drives the lower wall seat to swing after swinging, and the lower wall seat drives described the after swinging Three valve discs and the 4th valve disc are swung；The third valve disc is additionally operable to the impurity on grinding third valve seat when swinging；It is described 4th valve disc is additionally operable to the impurity on the 4th valve seat of grinding when swinging.

The utility model embodiment in terms of existing technologies, due to being equipped with upper valve body, lower valve body, spool, first Valve seat, the first valve disc, the second valve seat, the second valve disc, the first valve seat are arranged in upper valve body, and the second valve seat is opposite with the first valve seat Setting and it is arranged on spool, the first valve disc and the first valve seat, which match, closes the first valve seat, the second valve disc and the second valve seat phase Matching the second valve seat of closing.And equipped with upper disk seat, the first disc spring, the first disc spring seat, the second disc spring, the second disc spring seat, the first dish Spring offsets with upper disk seat, and the first disc spring seat offsets with the first disc spring spring and the first valve disc, and the second disc spring and the second valve disc offset It holds, the first disc spring pushes the first disc spring seat, the first disc spring seat that the first valve disc, the second disc spring is pushed to push the second spring abutment, the second dish Spring abutment pushes the second valve disc, so that the first valve seat is sealed by the first valve disc, the second valve seat is sealed by the second valve disc, and seals Effect is preferable.Again due to being equipped with upper bracket, upper valve rod, upper rocking bar, upper cylinder, upper cylinder pushes upper rocking bar, upper rocking bar to be pushed Upper valve rod rotation is driven afterwards, drives upper disk seat to swing after upper valve rod rotation, upper disk seat drives the first valve disc and the second valve after swinging Disk is swung, and to which the first valve disc grinds the impurity on the first valve seat, the second valve disc grinds the impurity on the second valve seat, prevents impurity Abrasion to the first valve seat and the second valve seat, so that the first valve seat and the second valve seat will not be let out after being used for a long time sealing Leakage increases service life.Likewise, due to being equipped with lower valve body, spool, third valve seat, third valve disc, the 4th valve seat, the 4th valve Disk, third valve seat are arranged in lower valve body, and the 4th valve seat and third valve seat are oppositely arranged and be arrangeds under spool, third valve disc and Third valve seat, which matches, closes third valve seat, and the 4th valve disc and the 4th valve seat, which match, closes the 4th valve seat.And equipped with lower wall seat, Third disc spring, third disc spring seat, the 4th disc spring, the 4th disc spring seat, third disc spring offset with lower wall seat, third disc spring seat and third Disc spring and third valve disc offset, and the 4th disc spring and the 4th valve disc offset, and third disc spring pushes third disc spring seat, third disc spring Seat pushes third valve disc, the 4th disc spring to push the 4th disc spring seat, and the 4th disc spring seat pushes the 4th valve disc, so that third valve seat It is sealed by third valve disc, the 4th valve seat is sealed by the 4th valve disc, and sealing effect is preferable.Again due to be equipped with lower bracket, lower valve rod, Lower rocking bar, lower cylinder, lower cylinder push lower rocking bar, lower rocking bar to drive lower valve rod rotation after being pushed, driven after lower valve rod rotation Lower wall seat is swung, and lower wall seat drives third valve disc and the 4th valve disc to swing after swinging, under third valve disc grinding third valve seat Impurity, the 4th valve disc grind the 4th valve seat under impurity, prevent abrasion of the impurity to third valve seat and the 4th valve seat, and then make Obtaining third valve seat and the 4th valve seat can be used for a long time after sealing and will not leak, and increase service life.And then it is more also by more valve discs The use of valve seat makes the valve multi-ensuring, and in the case of a valve seat can not be sealed wherein, remaining valve seat as usual can be close Envelope, does not influence its use, enhances the practicability of valve.

In addition, the double plate valve further includes：It is connected with the upper valve body and the lower valve body and for fixing the upper gas The fixed plate of cylinder and the lower cylinder, the upper air blowing for being connected with the upper valve body and being used to dispel the impurity in the upper valve body Pipe, the lower gas blow pipe for being connected with the lower valve body and being used to dispel the impurity in the lower valve body.

Description of the drawings

Fig. 1 is the structural schematic diagram of the double plate valve of the utility model first embodiment；

Fig. 2 is the sectional view of the double plate valve of the utility model first embodiment.

Specific implementation mode

It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model In embodiment, in order to make the reader understand this application better, many technical details are proposed.But even if without these skills Art details and various changes and modifications based on the following respective embodiments can also realize that each claim of the application is required and protect The technical solution of shield.

The first embodiment of the utility model is related to a kind of double plate valve, and as depicted in figs. 1 and 2, double plate valve includes upper valve Body 1, the spool 3 for connecting upper valve body 1 and lower valve body 2, is arranged in upper valve body 1 lower valve body 2 being oppositely arranged with upper valve body 1 First valve seat 4, with 4 matched first valve disc 5 of the first valve seat, be arranged on spool 3 and be oppositely arranged with the first valve seat 4 the Two valve seats 6 exist with 6 matched second valve disc 7 of the second valve seat, the upper disk seat 8 for connecting the first valve disc 5 and the second valve disc 7, setting The first disc spring 9 to offset with upper disk seat 8 in upper disk seat 8, the first disc spring seat to offset with the first disc spring 9 and the first valve disc 5 10, the second disc spring 11 to offset with upper disk seat 8 in the upper disk seat 8 is set, offset with the second disc spring 11 and the second valve disc 7 Second disc spring seat 12, the upper bracket 13 being connected with upper disk seat 8, be connected with upper bracket 13 and have spool 3 support upper valve rod 14, with The connected upper rocking bar 15 of upper valve rod 14, the upper cylinder 16 for being connected with upper rocking bar 15 and being used to that upper rocking bar 15 to be pushed to shake.And medium From upper valve body to lower valve body stream, the first disc spring 9 is for pushing the first disc spring seat 10 to be moved towards 4 direction of the first valve seat, the first dish Spring abutment 10 after being pushed by the first disc spring 9 is used to that the first valve disc 5 to be pushed to seal the first valve seat 4；Second disc spring 11 is for pushing second Disc spring seat 12 is moved towards 6 direction of the second valve seat, and the second disc spring seat 12 is used to push the second valve disc 7 after being pushed by the second disc spring 11 Seal the second valve seat 6.

In addition, double plate valve further includes the third valve seat 17 being arranged in lower valve body 2 and 17 matched third of third valve seat Valve disc 18, the 4th valve seat 19 for being arranged on spool 3 and being oppositely arranged with third valve seat 17, with the 4th valve seat 19 matched the Four valve discs 20, the lower wall seat 21 of connection third valve disc 18 and the 4th valve disc 20, setting offset in lower wall seat 21 with lower wall seat 21 The third disc spring 22 held, is arranged in lower wall seat 21 the third disc spring seat 23 to offset with third disc spring 22 and third valve disc 18 The 4th disc spring 24 that offsets with lower wall seat 21, the 4th disc spring seat 25 to offset with the 4th disc spring 24 and the 4th valve disc 20, with The connected lower bracket 26 of lower wall seat 21, is connected at the lower valve rod 27 that is connected with lower bracket 26 and has the support of spool 3 with lower valve rod 27 Lower rocking bar 28, the lower cylinder 29 for being connected with lower rocking bar 28 and being used to push lower rocking bar 28.And third disc spring 22 is for pushing third Disc spring seat 23 is moved towards 17 direction of third valve seat, and third disc spring seat 23 is used to push third valve disc after being pushed by third disc spring 22 18 sealing third valve seats 17；4th disc spring 24 is for pushing the 4th disc spring seat 25 to be moved towards 19 direction of the 4th valve seat, the 4th dish Spring abutment 25 after being pushed by the 4th disc spring 24 is used to that the 4th valve disc 20 to be pushed to seal the 4th valve seat 19；

Specifically, in actual use, upper rocking bar 15 is used for for shaking the rotation of upper valve rod 14, upper bracket 13 in upper valve Bar 14 drives upper bracket 13 to swing after rotating, and upper bracket 13 drives upper disk seat 8 to swing after swinging, and upper disk seat 8 drives the after swinging One valve disc 5 and the second valve disc 7 are swung；First valve disc 5 is additionally operable to grind the impurity on the first valve seat 4 when swinging；Second valve disc 7 It is additionally operable to grind the impurity on the second valve seat 6 when swinging.Lower rocking bar 28 is used for for shaking the rotation of lower valve rod 27, lower bracket 26 Lower bracket 26 is driven to swing after the rotation of lower valve rod 27, lower bracket 26 drives lower wall seat 21 to swing after swinging, and lower wall seat 21 is swung Third valve disc 18 and the 4th valve disc 20 is driven to swing afterwards；Third valve disc 18 is additionally operable to miscellaneous on grinding third valve seat 17 when swinging Matter；4th valve disc 20 is additionally operable to the impurity on the 4th valve seat 19 of grinding when swinging.

Through the above it is not difficult to find that due to being equipped with upper valve body 1, lower valve body 2, spool 3, the first valve seat 4, the first valve disc 5, the second valve seat 6, the second valve disc 7, the first valve seat 4 are arranged in upper valve body 1, the second valve seat 6 and the first valve seat 4 be oppositely arranged and It is arranged on spool 3, the first valve disc 5 and the first valve seat 4, which match, closes the first valve seat 4, the second valve disc 7 and 6 phase of the second valve seat Matching the second valve seat 6 of closing.And equipped with upper disk seat 8, the first disc spring 9, the first disc spring seat 10, the second disc spring 11, the second disc spring seat 12, the first disc spring 9 offsets with upper disk seat 8, and the first disc spring seat 10 offsets with the first disc spring 9 and the first valve disc 5, the second disc spring 11 It offsets with the second valve disc 7, the first disc spring 9 pushes the first disc spring seat 10, the first disc spring seat 10 to push the first valve disc 5, the second dish Spring 11 pushes the second disc spring seat 12, and the second disc spring seat 12 pushes the second valve disc 7, so that the first valve seat 4 is close by the first valve disc 5 Envelope, the second valve seat 6 is sealed by the second valve disc 7, and sealing effect is preferable.Again due to being equipped with upper bracket 13, upper valve rod 14, upper rocking bar 15, upper cylinder 16, upper cylinder 16 drive upper valve rod 14 to rotate after pushing upper rocking bar 15, upper rocking bar 15 to be pushed, 14 turns of upper valve rod Upper disk seat 8 is driven to swing after dynamic, upper disk seat 8 drives the first valve disc 5 and the second valve disc 7 to swing after swinging, to which the first valve disc 5 is ground The impurity on the first valve seat 4 is ground, the second valve disc 7 grinds the impurity on the second valve seat 6, prevents the first valve seat of impurity pair 4 and second The abrasion of valve seat 6 increases so that the first valve seat 4 and the second valve seat 6 will not leak after being used for a long time sealing and uses the longevity Life.Likewise, due to being equipped with lower valve body 2, spool 3, third valve seat 17, third valve disc 18, the 4th valve seat 19, the 4th valve disc 20, Third valve seat 17 is arranged in lower valve body 2, and the 4th valve seat 19 is oppositely arranged and is arranged under spool 3 with third valve seat 17, third Valve disc 18 matches with third valve seat 17 closes third valve seat 17, and the 4th valve disc 20 and the 4th valve seat 19, which match, closes the 4th valve Seat 19.And equipped with lower wall seat 21, third disc spring 22, third disc spring seat 23, the 4th disc spring 24, the 4th disc spring seat 25, third disc spring 22 offset with lower wall seat 21, and third disc spring seat 23 offsets with third disc spring 22 and third valve disc 18, the 4th disc spring 24 and the 4th Valve disc 20 offsets, and third disc spring 22 pushes third disc spring seat 23, third disc spring seat 23 to push third valve disc 18, the 4th disc spring 24 The 4th disc spring seat 25 is pushed, the 4th disc spring seat 25 pushes the 4th valve disc 20, so that third valve seat 17 is close by third valve disc 18 Envelope, the 4th valve seat 19 is sealed by the 4th valve disc 20, and sealing effect is preferable.Again due to be equipped with lower bracket 26, lower valve rod 27, under shake Bar 28, lower cylinder 29, lower cylinder 29 push lower rocking bar 28, lower rocking bar 28 to drive lower valve rod 27 to rotate after being pushed, lower valve rod 27 Lower wall seat 21 is driven to swing after rotation, lower wall seat 21 drives third valve disc 18 and the 4th valve disc 20 to swing after swinging, to third Valve disc 18 grinds the impurity under third valve seat 17, and the 4th valve disc 20 grinds the impurity under the 4th valve seat 19, prevents impurity to third The abrasion of valve seat 17 and the 4th valve seat 19, so that third valve seat 17 and the 4th valve seat 19 will not be let out after being used for a long time sealing Leakage increases service life.And then also by the more valve seats of more valve discs use, make the valve multi-ensuring, wherein a valve seat without In the case of method is sealed, remaining valve seat can be sealed as usual, is not influenced its use, is enhanced the practicability of valve.

Further, as shown in Figure 1, double plate valve further includes upper valve body 1 is connected with lower valve body 2 and for fixing upper cylinder 16 It is connected with the fixed plate 30 of lower cylinder 29, with upper valve body 1 and is used to dispel the upper gas blow pipe 31 of the impurity in upper valve body 1, under Valve body 2 is connected and the lower gas blow pipe 32 for dispelling the impurity in lower valve body 2.

It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model And range.

Claims (2)

1. a kind of double plate valve, which is characterized in that including：Upper valve body, the lower valve body being oppositely arranged with the upper valve body, connect described in It is upper valve body and the spool of the lower valve body, the first valve seat being arranged in the upper valve body, matched with first valve seat First valve disc, the second valve seat for being arranged on the spool and being oppositely arranged with first valve seat and the second valve seat phase Second valve disc of cooperation, the upper disk seat for connecting first valve disc and second valve disc are arranged in the upper disk seat and institute State the first disc spring and first disc spring that disk seat offsets and the first disc spring seat that first valve disc offsets, setting The second disc spring for offseting with the upper disk seat in the upper disk seat offsets with second disc spring and second valve disc The second disc spring seat, the upper bracket being connected with the upper disk seat, the upper valve that is connected with the upper bracket and has spool support Bar, the upper rocking bar being connected with the upper valve rod, the upper cylinder for being connected with the upper rocking bar and being used to that the upper rocking bar to be pushed to shake； And first disc spring is for pushing the first disc spring seat towards the movement of first valve seat direction, the first disc spring seat quilt First disc spring after pushing is used to that first valve disc to be pushed to seal first valve seat；Second disc spring is for pushing institute It states the second disc spring seat to move towards second valve seat direction, the second disc spring seat is used to push away after being pushed by second disc spring Dynamic second valve disc seals second valve seat；

The double plate valve further includes：The third valve seat being arranged in the lower valve body and the matched third of third valve seat Valve disc, the 4th valve seat for being arranged on the spool and being oppositely arranged with the third valve seat are matched with the 4th valve seat The 4th valve disc, connect the third valve disc and the 4th valve disc lower wall seat, be arranged in the lower wall seat with it is described under Third disc spring and the third disc spring that disk seat offsets and the third disc spring seat that the third valve disc offsets are arranged in institute The for stating the 4th disc spring to offset with the lower wall seat in lower wall seat, offseting with the 4th disc spring and the 4th valve disc Four disc spring seats, the lower bracket being connected with the lower wall seat, the lower valve rod for being connected with the lower bracket and having spool support, with The connected lower rocking bar of the lower valve rod, the lower cylinder for being connected with the lower rocking bar and be used to push the lower rocking bar；And described Three disc springs are for pushing the third disc spring seat to be moved towards third valve seat direction, and the third disc spring seat is by the third Disc spring after pushing is used to that the third valve disc to be pushed to seal the third valve seat；4th disc spring is for pushing the 4th dish Spring abutment is moved towards the 4th valve seat direction, the 4th disc spring seat pushed by the 4th disc spring after for pushing described the Four valve discs seal the 4th valve seat；

Wherein, the upper rocking bar is used for the band after upper valve rod rotation for shaking the upper valve rod rotation, the upper bracket It moves the upper bracket to swing, the upper bracket drives the upper disk seat to swing after swinging, after the upper disk seat is swung described in drive First valve disc and second valve disc are swung；First valve disc is additionally operable to grind the impurity on the first valve seat when swinging；Institute The second valve disc is stated to be additionally operable to grind the impurity on the second valve seat when swinging；

The lower rocking bar is used for after lower valve rod rotation for shaking the lower valve rod rotation, the lower bracket described in drive Lower bracket is swung, and the lower bracket drives the lower wall seat to swing after swinging, and the lower wall seat drives the third valve after swinging Disk and the 4th valve disc are swung；The third valve disc is additionally operable to the impurity on grinding third valve seat when swinging；Described 4th Valve disc is additionally operable to the impurity on the 4th valve seat of grinding when swinging.

2. double plate valve according to claim 1, which is characterized in that the double plate valve further includes：With the upper valve body and institute Lower valve body is stated to be connected and for fixing the fixed plate of the upper cylinder and the lower cylinder, with the upper valve body being connected and for blowing The upper gas blow pipe of the impurity in the upper valve body is dissipated, is connected with the lower valve body and for dispelling the impurity in the lower valve body Lower gas blow pipe.