CN217272001U

CN217272001U - Dedicated novel blowdown valve steel casting of chemical production

Info

Publication number: CN217272001U
Application number: CN202220827114.3U
Authority: CN
Inventors: 孙汉国; 邱根民
Original assignee: Jiangsu Davi Machinery Co ltd
Current assignee: Jiangsu Davi Machinery Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-23
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a dedicated novel blowdown valve steel-casting of chemical production belongs to chemical industry apparatus technical field, and it includes cast steel casing, cast steel casing's inner wall slides has meso position valve plate and two off normal valve plates, pressure drop race and lifting pulley groove have been seted up respectively with the surface of off normal valve plate to the meso position valve plate. The pressure drop cam descends through the cooperation of the pressure drop wheel groove and moves the middle-position valve plate downwards, simultaneously, two lifting cams and the cooperation of the lifting wheel groove, cooperate two off-position valve plates to make them accomplish upward movement, make two second intercommunicating pores and the first intercommunicating pore accomplish the coincidence, accomplish the flow of liquid this moment, when closing, rotate through the rim plate, make it promote cam and pressure drop cam reset can, when first intercommunicating pore and second intercommunicating pore stagger and reset, can cut off impurity, effectively prevent the foreign matter from blockking the condition that causes the seepage and appearing when making it can quick on-off control.

Description

Dedicated novel blowdown valve steel casting of chemical production

Technical Field

The utility model belongs to the technical field of chemical industry apparatus, specifically be a dedicated novel blowdown valve steel casting of chemical production.

Background

As the current chemical product carries out the in-process of production, can produce a certain amount of waste solution, this type of solution when using discharge through sewage pipes can, this type of pipeline will adopt the blowoff valve to cooperate the control break-make, as present conventional blowoff valve, possess 1 the valve body adopts the clamp formula to be connected with the valve gap. 2. The pressure self-tightening sealing structure is adopted, so that the higher the medium pressure is, the better the sealing property is. 3. The medium flows into the downward sewage from the branch pipe. 4. The valve clack is in a piston structure, and is subjected to boronizing treatment. Corrosion resistance and erosion resistance. The service life is long.

In conclusion, most of the traditional sewage valves adopt a gear-driven mode to realize quick-operation on-off, and the good tightness of the traditional sewage valves needs to be maintained, so that when some impurities exist in sewage, gaps exist at the closed positions, the closed positions are difficult to completely attach, and certain unstable factors exist during use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a dedicated novel blowoff valve steel-casting of chemical production has solved present traditional blowoff valve and has carried out the driven in-process, is difficult to accomplish effective closure under the influence to impurity, very easily appears impurity and blocks the problem that to have the gap to lead to the seepage down.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a dedicated novel blowdown valve steel casting of chemical production, includes the cast steel casing, the inner wall of cast steel casing slides has meso position valve plate and two off normal valve plates, the meso position valve plate has seted up pressure drop race and lifting pulley groove respectively with the surface of off normal valve plate, meso position valve plate runs through with the surface of off normal valve plate and has seted up first intercommunicating pore and second intercommunicating pore.

The inner wall of the cast steel shell is rotatably connected with a wheel disc through a sealing bearing, one end of the wheel disc is connected with a pressure drop cam and two lifting cams in a clamping mode, and interfaces are fixedly connected to the two sides of the cast steel shell.

As a further aspect of the present invention: the lower surface of the interface is communicated with a sealed sliding bin in a penetrating mode, the inner wall of the sealed sliding bin is connected with a partition plate in a sliding mode, and the partition plate slides in the interface and is embedded with the inner wall of the interface in a shape.

As a further aspect of the present invention: two limiting blocks are arranged on two sides of the middle position valve plate, two limiting grooves are formed in opposite surfaces of the two deviation valve plates, and the limiting blocks are connected to corresponding limiting groove inner walls in a sliding mode.

As a further aspect of the present invention: the middle valve plate is fixedly connected with a pressure frame on the lower surface, the surface of the pressure frame is connected with the lower surface of the cast steel shell in a sliding mode through a sliding sleeve, the pressure frame is located between the two deviation valve plates, and the two ends of the pressure frame are fixedly connected with the lower surfaces of the two partition plates.

As a further aspect of the present invention: the lifting cam is connected to the inner wall of the lifting wheel groove formed in the surface of the corresponding deviation valve plate in a sliding mode, the pressure drop cam is located on the inner wall of the pressure drop wheel groove, and the two sides of the middle valve plate are tightly attached to the opposite surfaces of the two deviation valve plates.

As a further aspect of the present invention: the other end of the wheel disc is movably connected with a deflection rod through a rotating piece, the surface of the deflection rod is movably connected with the surface of the wheel disc through a pin shaft, a plurality of clamping blocks are fixedly connected with the surface of the wheel disc, a plurality of clamping grooves are formed in the surface of the cast steel shell, and the clamping blocks are connected to the inner wall of the corresponding clamping grooves in a sliding mode.

As a further aspect of the present invention: the first communication holes and the two second communication holes are horizontally arranged in a staggered mode.

As a further aspect of the present invention: the inner wall of the cast steel shell is fixedly connected with a plurality of sealing elements, and opposite surfaces corresponding to the two sealing elements are tightly attached to the surface of the same offset valve plate.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the novel blow-down valve steel casting special for chemical production is provided with a middle valve plate, an offset valve plate, a lifting cam, a pressure drop cam, a first communicating hole and a second communicating hole, when in use, the pressure drop cam and the two lifting cams are driven to synchronously start to rotate along with the rotation of the wheel disc, then the pressure drop cam descends through the matching of the pressure drop wheel groove to lower the middle valve plate, meanwhile, the two lifting cams are matched with the lifting wheel grooves to match the two deviation valve plates to finish the upward movement of the valve plates, so that the two second communication holes of the valve plates are superposed with the first communication hole to finish the liquid flow, when closing, through the rim plate rotation, make it promote the cam with the pressure drop cam reset can, when first intercommunicating pore and second intercommunicating pore are crisscross to be reset, can cut off impurity, effectively prevent when making its can quick on-off control that the foreign matter from blockking the condition that causes the seepage and appearing.

2. This dedicated novel blowoff valve steel casting of chemical production, through setting up the meso position valve plate, press the frame, the baffle, sealing member and interface, at meso position valve plate downstream in-process, it moves through pressing two baffles of frame synchronous drive to remove, slides in sealed smooth storehouse when making two baffles of it downstream, and the unblocked that can keep the interface position of downstream roll-off interface thereupon, make its cooperation that can carry out the break-make state with first through-hole in step, can adapt to the sewage shutoff with high pressure state.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the cast steel shell of the present invention;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the exploded wheel disc structure of the present invention;

fig. 5 is an exploded view of the middle position valve plate and the offset valve plate of the present invention.

In the figure: the device comprises a cast steel shell 1, a middle-position valve plate 2, a deviation valve plate 3, a lifting cam 4, a pressure drop cam 5, a pressure drop wheel groove 6, a lifting wheel groove 7, a first connecting hole 8, a second connecting hole 9, a pressure frame 10, a partition plate 11, a sealing element 12, a limiting groove 13, a limiting block 14, a wheel disc 15, a deviation rod 16, a rotating element 17, a clamping block 18, a clamping groove 19, a sealing sliding cabin 20 and a connector 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a dedicated novel blowdown valve steel casting of chemical production, includes cast steel housing 1, and cast steel housing 1's inner wall slides has meso position valve plate 2 and two off normal valve plate 3, and meso position valve plate 2 has seted up pressure drop race 6 and lifting pulley groove 7 respectively with the surface of off normal valve plate 3, and meso position valve plate 2 runs through the surface with off normal valve plate 3 and has seted up first intercommunicating hole 8 and second intercommunicating hole 9.

The inner wall of cast steel casing 1 rotates through sealed bearing and is connected with rim plate 15, and the one end joint of rim plate 15 has pressure drop cam 5 and two promotion cams 4, and the equal fixedly connected with interface 21 in both sides of cast steel casing 1.

Specifically, as shown in fig. 2 and 3, a sealed sliding chamber 20 is communicated with the lower surface of the interface 21 in a penetrating manner, a partition 11 is slidably connected to the inner wall of the sealed sliding chamber 20, the partition 11 slides in the interface 21 and is embedded with the inner wall of the interface 21 in shape, a pressing frame 10 is fixedly connected to the lower surface of the middle valve plate 2, the surface of the pressing frame 10 is slidably connected to the lower surface of the cast steel housing 1 through a sliding sleeve, the pressing frame 10 is located between the two offset valve plates 3, two ends of the pressing frame 10 are fixedly connected to the lower surfaces of the two partition 11, the first communication holes 8 and the two second communication holes 9 are horizontally staggered, a plurality of sealing members 12 are fixedly connected to the inner wall of the cast steel housing 1, and the opposite surfaces corresponding to the two sealing members 12 are tightly attached to the surface of the same offset valve plate 3.

Through setting up sealed smooth storehouse 20, sealed smooth storehouse 20 can keep the good cooperation to baffle 11 when using, make it possess fine sealed effect, baffle 11 can keep rather than the good water effect that closes of complex under the state that agrees with each other with interface 21 inner wall shape simultaneously, through establishing pressure frame 10, pressure frame 10 can keep carrying out fine fixed with two baffles 11, make its cooperation motion that keeps stable, through setting up first intercommunicating pore 8, under mutually supporting between first intercommunicating pore 8 and the second intercommunicating pore 9, can keep the horizontal plane of same vertical direction to remove, keep the connected state, simultaneously through the shearing force when staggering, can prevent that the foreign matter from leading to unable closure, through setting up sealing member 12, sealing member 12 can keep playing good airtight effect to it.

Specifically, as shown in fig. 4 and 5, meso position valve plate 2's both sides all are provided with two stopper 14, two spacing grooves 13 have all been seted up to two off normal valve plate 3's opposite face, stopper 14 sliding connection is at the spacing groove 13 inner wall that corresponds, promote 4 sliding connection of cam and correspond the promotion race 7 inner wall that off normal valve plate 3 surface was seted up, pressure drop cam 5 is located the inner wall of pressure drop race 6, meso position valve plate 2's both sides and two off normal valve plate 3's opposite face closely laminate the other end of rim plate 15 have a deflection pole 16 through swivel part 17 swing joint, the surface swing joint of deflection pole 16 through round pin axle and rim plate 15, the fixed surface of rim plate 15 is connected with a plurality of fixture block 18, a plurality of draw-in groove 19 has been seted up on cast steel casing 1's surface, fixture block 18 sliding connection is at the inner wall that corresponds draw-in groove 19.

Through setting up stopper 14, stopper 14 slides at the inner wall of spacing groove 13 along with the motion of meso position valve plate 2, make the cooperation between its meso position valve plate 2 and the side position valve plate down can keep spacing slip each other, the motion of keeping laminating state each other is more stable, through setting up rim plate 15, the deflection pole 16 of the surface through the activity of rotating part 17 of rim plate 15, make its deflection pole 16 rotate simultaneously through rotating part 17 and support, it rotates to drive rim plate 15 through the round pin axle in step, when making its rim plate 15 rotate, the fixture block 18 on its surface slides at the inner wall of draw-in groove 19, the cooperation can keep spacing with rim plate 15 turned angle between draw-in groove 19 and the fixture block 18, make its can be fast accurate carry out on-off control.

The utility model discloses a theory of operation does:

the deflection rod 16 is rotated to drive the wheel disc 15 to deflect under the support of the rotating piece 17 through the pin shaft, the pressure drop cam 5 and the two lifting cams 4 are simultaneously driven to synchronously start to rotate along with the rotation of the wheel disc 15, then the pressure drop cam 5 descends the middle valve plate 2 to move downwards through the matching of the pressure drop wheel groove 6, simultaneously the two lifting cams 4 are matched with the lifting wheel groove 7, the two deflection valve plates 3 are matched to finish the upward movement, the two second communication holes 9 and the first communication hole 8 are overlapped, the liquid flow is finished at the moment, when the valve is closed, the lifting cams 4 and the pressure drop cam 5 are reset through the rotation of the wheel disc 15, when the first communication holes 8 and the second communication holes 9 are reset in a staggered mode, impurities are cut off until the valve plates are completely closed, and when the middle valve plate 2 moves downwards, the two partition plates 11 are synchronously driven to move through the pressing frame 10, two partition plates 11 slide in the sealed sliding bin 20 when moving downwards, and then move downwards to slide out of the interface 21, so that the position of the interface 21 can be kept smooth, and the two partition plates are synchronously matched with the on-off state of the first communication hole 8.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a dedicated novel blowoff valve steel casting of chemical production, includes cast steel casing (1), its characterized in that: a middle valve plate (2) and two deviation valve plates (3) slide on the inner wall of the cast steel shell (1), a pressure drop wheel groove (6) and a lifting wheel groove (7) are respectively formed in the surfaces of the middle valve plate (2) and the deviation valve plates (3), and a first communicating hole (8) and a second communicating hole (9) penetrate through the surfaces of the middle valve plate (2) and the deviation valve plates (3);

the inner wall of the cast steel shell (1) is rotatably connected with a wheel disc (15) through a sealing bearing, one end of the wheel disc (15) is connected with a pressure drop cam (5) and two lifting cams (4) in a clamping mode, and connectors (21) are fixedly connected to the two sides of the cast steel shell (1).

2. The special novel blowdown valve steel casting of claim 1, characterized in that: the lower surface of the interface (21) is communicated with a sealed sliding bin (20) in a penetrating mode, the inner wall of the sealed sliding bin (20) is connected with a partition plate (11) in a sliding mode, the partition plate (11) slides in the interface (21) and is mutually embedded with the inner wall of the interface (21) in shape.

3. The novel blowdown valve steel casting special for chemical production according to claim 1, wherein: two limiting blocks (14) are arranged on two sides of the middle position valve plate (2), two limiting grooves (13) are formed in opposite surfaces of the two deviation valve plates (3), and the limiting blocks (14) are connected to inner walls of the corresponding limiting grooves (13) in a sliding mode.

4. The novel blowdown valve steel casting special for chemical production according to claim 2, wherein: the lower surface of the middle valve plate (2) is fixedly connected with a pressing frame (10), the surface of the pressing frame (10) is connected to the lower surface of the cast steel shell (1) in a sliding mode through a sliding sleeve, the pressing frame (10) is located between the two deviation valve plates (3), and two ends of the pressing frame (10) are fixedly connected with the lower surfaces of the two partition plates (11).

5. The novel blowdown valve steel casting special for chemical production according to claim 3, wherein: promote cam (4) sliding connection and correspond the promotion race (7) inner wall that offside valve plate (3) surface was seted up, pressure drop cam (5) are located the inner wall of pressure drop race (6), the both sides of meso position valve plate (2) and the opposite face of two offside valve plates (3) closely laminate.

6. The novel blowdown valve steel casting special for chemical production according to claim 1, wherein: the other end of the wheel disc (15) is movably connected with a deflection rod (16) through a rotating piece (17), the surface of the deflection rod (16) is movably connected with the surface of the wheel disc (15) through a pin shaft, a plurality of clamping blocks (18) are fixedly connected to the surface of the wheel disc (15), a plurality of clamping grooves (19) are formed in the surface of the cast steel shell (1), and the clamping blocks (18) are slidably connected to the inner wall of the corresponding clamping grooves (19).

7. The novel blowdown valve steel casting special for chemical production according to claim 1, wherein: the first communication holes (8) and the two second communication holes (9) are horizontally staggered.

8. The novel blowdown valve steel casting special for chemical production according to claim 1, wherein: the inner wall of the cast steel shell (1) is fixedly connected with a plurality of sealing elements (12), and opposite surfaces corresponding to the two sealing elements (12) are tightly attached to the surface of the same offset valve plate (3).