CN206487894U

CN206487894U - A kind of powder valve

Info

Publication number: CN206487894U
Application number: CN201720027727.8U
Authority: CN
Inventors: 陈士勇; 吴江涛
Original assignee: Tianjin Animal Food Co Ltd
Current assignee: Tianjin Animal Food Co Ltd
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2017-09-12
Anticipated expiration: 2027-01-10

Abstract

The utility model discloses a kind of powder valve, a kind of powder valve includes valve body, the upper and lower side of the valve body is respectively arranged with charging aperture and discharging opening, the charging aperture is connected with discharging opening with conveying passage, the valve element for rotating closed walk is provided with the conveying passage, the both sides of the valve element are provided through conveying passage and pass the rotating shaft of valve body, and it is provided with swing arm in the rotating shaft outside valve body, the drive cylinder for driving swing arm to rotate is provided with the valve body, has the advantages that to control fast and stable to the break-make of conveying passage.

Description

A kind of powder valve

Technical field

The utility model is related to a kind of material transferring valve field, more particularly to a kind of powder 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 stops and can control the device of its flow.

For solid particle convey break-make it is general it is the more commonly used be knife valve, opening and closing element be flashboard, the motion of flashboard Direction is perpendicular with flow direction, by that can cut off medium with the knife-edge flashboard of cutting fiber material.

Knife valve is revealed as Authorization Notice No. discloses a kind of hard-sealing zero for CN204213378U Chinese patent, it includes Valve body, its top is provided with guide groove structure；The bonnet on valve body top is installed on, its contact surface between valve body is provided with close Gasket, bonnet top is provided with stuffing-box, and filler is set in the stuffing-box, and stuffing-box is provided between adjustable filler and valve rod The adjusting means of pretightning force；Be installed on valve body media runner and can along guide groove structure upper and lower displacement flashboard, it, which is connected with, passes through It is through at the valve rod of bonnet；Valve upper part of the cover pneumatic actuator is installed on, its clutch end is connected to valve rod；Valve body be provided with The valve seat that flashboard coordinates, is provided with spring loaded mechanism between valve seat and flashboard.

But its gate needs are vertical in conveyance conduit, and its driving structure is on the moving direction of gate, that is, hang down To in duct orientation, this will cause this valve to need to take the substantial amounts of vertical space in pipeline, higher to space requirement, Some circumferential less occasions in space will be difficult to configuration and use.

Utility model content

The purpose of this utility model is to provide a kind of powder valve, and which solving the on-off valve of solid transmission needs occupancy It is substantial amounts of vertical the problem of the space of pipeline.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of powder valve, it is characterized in that：Including valve body, the upper and lower side of the valve body is respectively arranged with charging aperture and discharging Mouthful, the charging aperture is connected with discharging opening with conveying passage, and the valve element for rotating closed walk, institute are provided with the conveying passage The both sides for stating valve element are provided through conveying passage and pass the rotating shaft of valve body, and are provided with the rotating shaft outside valve body pendulum The drive cylinder for driving swing arm to rotate is provided with arm, the valve body.

Using said structure, cylinder is swift in response, and driving force is larger, drives swing arm to rotate using cylinder, and pusher Dynamic axis of rotation, further expands the active force of cylinder, and valve element, which is driven to rotate, while axis of rotation closes or beat Open conveying passage, it is possible to achieve the break-make to conveying passage fast and stable is controlled.

More preferably：The valve element is the disk coordinated with conveying channel internal diameter, and the rotating shaft is disposed radially.

Using said structure, using the full circle of upset as valve element, accounted for without the extra horizontal space that takes, and in unlatching Conveying influence afterwards on material is smaller.

More preferably：The rotating shaft is radially secure to be had brachium is provided with chute in swing arm, the swing arm, described Be provided with the stopper rod of drive cylinder and slide the transferring member that be connected with chute, the transferring member be it is spherical, and the transferring member and Stopper rod is rotatably connected.

Using said structure, using said structure, swing arm is rotary motion, and stopper rod is linear motion, utilizes chute and biography Compensation can be provided in the radial direction of swing arm by passing the effect of part, it is to avoid movement interference.

More preferably：The valve element is the arcuate tab that two arcuate arcs are less than semicircle, and the rotating shaft is set to two It is individual.

Using said structure, two arcuate tabs can be while downwardly turn over when being opened to passage, it is to avoid in single leaf Piece open when need to material carry out it is upward, opening speed is faster.

More preferably：The end of the rotating shaft is fixed with the vertical swing rod in rotating shaft, the swing rod of two rotating shafts Setting is piled, the end of the stopper rod of the cylinder is hinged with two drive rods, and two drive rods are cut with scissors with two swing rods respectively Connect in succession, the stopper rod is in the symmetrical centre of two rotating shafts.

Using said structure, stopper rod control drive rod is moved down, and is driven by it, and swing rod corresponding can be rotated, so that real Existing cylinder drives two axis of rotation simultaneously.

More preferably：The rectilinear end of the arcuate tab is set to the rounding using rotating shaft as axle center, and the arcuate tab Upstream be provided with the dust-break piece being fixedly connected with conveying passage, the dust-break piece is abutted with the rounding of arcuate tab.

Using said structure, rounding can produce when arcuate tab is rotated and get out of the way effect, and dust-break piece can prevent thing Expect the gap squeezed between two arcuate tab roundings.

In summary, the utility model has the advantages that：

It is swift in response using cylinder, and the larger characteristic of driving force carries out the break-make control of fast and stable to conveying passage.

Brief description of the drawings

Fig. 1 is the cut-away view of the valve of embodiment one；

Fig. 2 is Fig. 1 of embodiment one top view；

Fig. 3 is Fig. 1 of embodiment one upward view；

Fig. 4 is the cut-away view of the figure valve of embodiment two；

Fig. 5 is Fig. 4 of embodiment two top view；

Fig. 6 is the structural representation of the valve element of embodiment three；

Fig. 7 is the structural representation of the driving structure of embodiment three.

In figure, 1, valve body；2nd, movable valve plug；3rd, cylinder；4th, rotating seal ring；5th, conveyance conduit；10th, valve element；101st, arch Piece；102nd, rounding；103rd, dust-break piece；11st, charging aperture；12nd, feed pipe；13rd, discharging opening；14th, discharge nozzle；15th, fixed valve plug；151、 Groove；16th, compensating tank；17th, conveying passage；18th, shoulder；21st, upper connecting tube；22nd, lower linking tube；23rd, blocking vane；24th, swing arm； 25th, chute；26th, rotating shaft；31st, stopper rod；32nd, transferring member.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in protection domain of the present utility model by Patent Law.

Embodiment 1：A kind of powder valve, as shown in figure 1, including valve body 1, the upper and lower side of valve body 1 is respectively arranged with charging Mouth 11 and discharging opening 13, and set feed pipe 12 to be connected with charging aperture 11 in valve body 1, set discharge nozzle 14 to connect discharging opening 13；Discharge nozzle 14 is threadedly coupled with discharging opening 13.

Fixed valve plug 15 and movable valve plug 2 are provided with reference picture 1, valve body 1, fixed valve plug 15 is fixed on the end of feed pipe 12； Reference picture 2, fixed valve plug 15 is circumferentially evenly arranged with multiple grooves 151；Reference picture 1 and Fig. 3, movable valve plug 2 include upper connecting tube 21, Lower linking tube 22 and blocking vane 23 therebetween, upper connecting tube 21 is socketed on the outer wall of feed pipe 12, and and feed pipe 12 rotatory sealings are connected, the rotating open-close groove 151 of blocking vane 23；Lower linking tube 22 is embedded in discharge nozzle 14, and with discharge nozzle 14 Rotatory sealing is connected.

Reference picture 1, is provided with mutually between upper connecting tube 21 and feed pipe 12, and between lower linking tube 22 and discharge nozzle 14 The shoulder 18 of cooperation, and rotating seal ring 4 is set on shoulder 18, to increase sealing effectiveness；The bottom of rotating seal ring 4 at two Compensating tank 16 is provided with, to prevent material particles from diffusing to rotatory sealing.

Referring to Figures 1 and 2, the cylinder 3 that driving swing arm 24 is rotated is provided with valve body 1, the provided circumferentially about of movable valve plug 2 has It is provided with to be provided with chute 25, the stopper rod 31 of cylinder 3 along brachium in swing arm 24, swing arm 24 and slides the transmission being connected with chute 25 Part 32, transferring member 32 is spherical, and spherical transferring member 32 is embedded in chute 25, and transferring member 32 is rotatably connected with stopper rod 31；With This avoids stopper rod linear motion and the rotation of swing arm produces interference.

Embodiment 2：As shown in Figures 4 and 5, the difference with embodiment 1 is, charging aperture 11 is with discharging opening 13 with conveying Passage 17 is connected, and valve element 10 is arranged in conveying passage, and valve element 10 is disk with the minor diameter fit of conveying passage 17, and disk Circumference is provided with guiding circle, to prevent from interfering during upset；The both sides of valve element 10 have been disposed radially rotating shaft 26, rotating shaft 26 pass through conveying passage 17 and pass valve body 1；And as different from Example 1, swing arm 24 along rotating shaft 26 it is radially fixed The end of rotating shaft 26.

Relative to embodiment 1, valve element 10 is less to the occupancy of transfer passage, but the power provided required for opening and closing is also bigger, And sealing is also not so good as embodiment 1, the scheme of embodiment 1 is applied to the break-make that smaller particle thing is conveyed, and embodiment 2 is applied to The break-make of larger particles conveying.

Embodiment 3：As shown in fig. 6, being with the difference of embodiment 2, valve element 10 is that two arcuate arcs are less than semicircle Arcuate tab 101, and rotating shaft 26 is set to two, and the rectilinear end of arcuate tab 101 is set to the rounding with rotating shaft 26 for axle center 102, and the upstream of arcuate tab 101 is provided with the dust-break piece 103 being fixedly connected with conveying passage 17, dust-break piece 103 and arcuate tab 101 rounding 102 is abutted.

Reference picture 7, the end of rotating shaft 26 is fixed with the vertical swing rod in rotating shaft 26, and the swing rod of two rotating shafts 26, which is piled, to be set Put, the end of the stopper rod 31 of cylinder 3 is hinged with two drive rods, and two drive rods are articulated and connected with two swing rods respectively, stopper rod 31 in the symmetrical centre of two rotating shafts 26.

Compared to embodiment 2, the reaction of opening and closing is sensitiveer, but closure stability is relatively poor, it is adaptable to which pressure is less Conveying is conveyed.

Claims

1. a kind of powder valve, it is characterized in that：Including valve body (1), the upper and lower side of the valve body (1) is respectively arranged with charging aperture (11) and discharging opening (13), the charging aperture (11) is connected with discharging opening (13) with conveying passage (17), the conveying passage (17) valve element 10 for rotating closed walk is provided with, the both sides of the valve element 10 are provided through conveying passage (17) and passed The rotating shaft (26) of valve body (1), and be provided with the rotating shaft (26) outside valve body (1) on swing arm (24), the valve body (1) and set There is the drive cylinder (3) that drive swing arm (24) is rotated.

2. a kind of powder valve according to claim 1, it is characterized in that：The valve element 10 be and conveying passage (17) internal diameter The disk of cooperation, the rotating shaft (26) is disposed radially.

3. a kind of powder valve according to claim 2, it is characterized in that：The rotating shaft (26) is radially secure swing arm (24), it is provided with chute (25), the stopper rod (31) of the drive cylinder (3) and is provided with sliding along brachium on the swing arm (24) The transferring member (32) of groove (25) sliding connection, the transferring member (32) is spherical, and the transferring member (32) is revolved with stopper rod (31) Turn connection.

4. a kind of powder valve according to claim 1, it is characterized in that：The valve element 10 is that two arcuate arcs are less than semicircle Arcuate tab (101), and the rotating shaft (26) is set to two.

5. a kind of powder valve according to claim 4, it is characterized in that：The end of the rotating shaft (26) be fixed with it is vertical in The swing rod of rotating shaft (26), the swing rod of two rotating shafts (26) piles setting, and the end of the stopper rod (31) of the cylinder (3) is hinged There are two drive rods, two drive rods are articulated and connected with two swing rods respectively, and the stopper rod (31) is in two rotating shafts (26) Symmetrical centre on.

6. a kind of powder valve according to claim 5, it is characterized in that：The rectilinear end of the arcuate tab (101) is set to It is provided with and the fixed company of conveying passage (17) with the upstream of the rounding (102) that rotating shaft (26) is axle center, and the arcuate tab (101) The dust-break piece (103) connect, the dust-break piece (103) abuts with the rounding (102) of arcuate tab (101).