CN218992674U - Connection structure for valve and ceramic double-flashboard material conveying valve applying same - Google Patents

Abstract

The connecting structure for the valve and the ceramic double-flashboard material conveying valve applying the structure comprise a connecting component, a supporting seat and a pressing device, wherein the valve is connected with a pipeline through the connecting component; the connecting assembly comprises a gasket and a flange plate, the flange plate comprises a first plate body and a second plate body, the first plate body is close to the valve compared with the second plate body, the gasket is positioned between the first plate body and the second plate body, and the first plate body, the second plate body and the gasket are fixed through bolts and nuts; the supporting seat is used for supporting the pipeline and the valve, the compacting device comprises an adjusting mechanism and a plurality of propping frames, and the adjusting mechanism is used for adjusting the positions of the propping frames; each abutting frame comprises a first frame body and a second frame body which are oppositely arranged, the first frame body is close to the valve compared with the second frame body, the first frame body can move to be abutted with the end face of the first disc body through the adjusting mechanism, and the second frame body can also move to be abutted with the end face of the second disc body through the adjusting mechanism. The sealing device has the effect of improving the sealing performance between the valve and the pipeline.

Description

Connection structure for valve and ceramic double-flashboard material conveying valve applying same

Technical Field

The application relates to the technical field of valves, in particular to a connecting structure for a valve and a ceramic double-flashboard material conveying valve applying the structure.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the parameters of the conveying medium. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

In the related art, a valve is connected with a pipeline through a certain connecting component, a feed inlet and a discharge outlet are arranged on the valve, and the feed inlet and the discharge outlet are respectively communicated with the pipeline through the connecting component; the connecting assembly generally comprises a gasket and two groups of flanges, the two groups of flanges respectively correspond to a feed inlet of the valve and a discharge outlet of the valve, and each group of flanges comprises a first disc body and a second disc body which are oppositely arranged; the first disk body is close to the valve in the second disk body, and two first disk bodies are in threaded connection with the inner wall of the valve feed inlet and the inner wall of the discharge hole respectively, and two second disk bodies are in threaded connection with the inner wall of the pipeline. The gasket is located between first disk body and the second disk body, passes through bolt and nut between first disk body, the second disk body and the gasket and fixes.

With respect to the related art described above, the inventors consider that as corrosive substances in materials circulate between a valve and a pipe, a flange and a gasket between the valve and the pipe are easily eroded to loosen, thereby degrading the sealability between the valve and the pipe.

Disclosure of Invention

In order to improve the leakproofness between valve and the pipeline, this application provides a connection structure for valve and the ceramic double flashboard material conveying valve of using this structure.

In a first aspect, the present application provides a valve connection structure that adopts the following technical scheme:

the valve connecting structure comprises a connecting component, a supporting seat and a pressing device, wherein the valve is connected with a pipeline through the connecting component; the connecting assembly comprises a gasket and a flange plate, the flange plate comprises a first plate body and a second plate body, the first plate body is close to the valve compared with the second plate body, the gasket is positioned between the first plate body and the second plate body, and the first plate body, the second plate body and the gasket are fixed through bolts and nuts; the supporting seat is used for supporting the pipeline and the valve, the pressing device is positioned on the supporting seat and comprises an adjusting mechanism and a plurality of supporting frames, the supporting frames are respectively positioned at two radial ends of the pipeline, and the adjusting mechanism is used for adjusting the positions of the supporting frames; every support tight frame all includes relative first support body and the second support body that sets up, first support body is close to the valve in the second support body, first support body accessible adjustment mechanism removes until with the terminal surface butt that is close to valve one end on the first disk body, the second support body also accessible adjustment mechanism removes until with the terminal surface butt that is kept away from valve one end on the second disk body.

Through adopting above-mentioned technical scheme, when the material circulate in pipeline and valve, connect through ring flange and gasket between pipeline and the valve, the connection between ring flange and the gasket can produce certain not hard up owing to receive the erosion of material in the pipeline, takes place not hard up between first disk body, second disk body and the gasket promptly to lead to the material to produce when the junction of pipeline and valve and reveal, the leakproofness between valve and the pipeline reduces. The connecting structure for the valve can adjust the positions of the first frame body and the second frame body through the adjusting mechanism, so that the first frame body is abutted against the end face, close to one end of the valve, on the first disc body, the second frame body is moved to be abutted against the end face, far away from one end of the valve, on the second disc body, a plurality of first frame bodies and second frame bodies which are positioned at two radial ends of the pipeline are mutually matched, the positions of the first disc body and the second disc body can be adjusted mutually, and the state of being abutted against the gasket is kept, so that the tightness between the valve and the pipeline is improved.

Optionally, adjustment mechanism includes a plurality of sliders and multiunit drive assembly, set up the spout that supplies the slider to slide on the supporting seat, the slider includes first sliding block and second sliding block, first sliding block passes through the connecting rod and links to each other with first framework, the second sliding block passes through the connecting rod and links to each other with the second framework, drive assembly is used for driving first sliding block and second sliding block slip.

Through adopting above-mentioned technical scheme, when needs first support body and second support body slip, drive first sliding block and second sliding block through drive assembly respectively and slide to drive first support body and second support body and slide, realized the removal of drive first support body and second support body, thereby adjusted the relative position between first disk body and the second disk body, simple structure, simple to operate.

Optionally, every group drive assembly all includes a screw rod and a rotation motor, the screw rod passes first sliding block and second sliding block simultaneously, just screw rod and first sliding block, the equal threaded connection of second sliding block, the threaded connection opposite direction of first sliding block, second sliding block and screw rod, the screw rod links to each other and coaxial setting with the pivot that corresponds rotation motor.

By adopting the technical scheme, when the relative positions of the first disc body and the second disc body are required to be adjusted, the rotating motor is driven to rotate the screw rod, and the first sliding block and the second sliding block relatively move, so that the first frame body is driven to be abutted with the end face, close to one end of the valve, on the first disc body, and the second frame body is driven to be abutted with the end face, far away from one end of the valve, on the second disc body; when the relative positions of the first tray body and the second tray body do not need to be adjusted, the rotating motor is started, so that the screw rod drives the first frame body and the second frame body to move back to back, the first frame body is separated from the first tray body, and the second frame body is separated from the second tray body.

Optionally, the gasket is an anti-corrosion gasket.

By adopting the technical scheme, the corrosion resistance of the gasket is improved, so that corrosive substances in the material are not easy to corrode the gasket, and the service life of the gasket is prolonged.

Optionally, a friction pad is arranged on the abutting frame close to the flange plate.

Through adopting above-mentioned technical scheme, increased the friction between support tight frame and the ring flange, make support tight frame be difficult for skidding when with the ring flange looks butt to support tight frame to the tight effect of support of ring flange has been improved.

Optionally, the valve further comprises a plurality of elastic pads, and the elastic pads are respectively positioned at one end of the first disc body positioned in the valve and one end of the second disc body positioned in the pipeline.

Through adopting above-mentioned technical scheme, reduced the contact between first disk body and the valve inner wall, the contact between second disk body and the pipeline inner wall, and then reduced the frictional force that first disk body and second disk body received when the installation, prolonged the life of first disk body and second disk body.

Optionally, the sliding block is a dovetail block, and the sliding groove is matched with the sliding block.

Through adopting above-mentioned technical scheme, make the slider be difficult for dropping in the spout, improved the stability of slider installation.

In a second aspect, the present application further provides a ceramic dual-gate delivery valve, which adopts the following technical scheme:

the utility model provides a ceramic double-flashboard material conveying valve, includes connection structure for the above-mentioned valve, still includes the cylinder, the valve is made for ceramic, offer in the valve and hold the cavity, feed inlet, the discharge gate of valve all communicate each other with holding the cavity, hold the cavity in through cylinder lift and be provided with a plurality of ceramic flashboard.

Through adopting above-mentioned technical scheme, when cylinder drive flashboard descends to the bottom of flashboard and hold the interior bottom wall of cavity and mutually support the back, valve and flashboard that metal material made are usually used, and ceramic double flashboard material conveying valve is owing to adopted wear-resisting ceramic material to make valve and flashboard, makes valve and flashboard compare in the wearing and tearing of hard particle medium in the material that can bear more, erosion, difficult loss to the leakproofness of valve has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through closing device's setting, when the material circulate in pipeline and valve, connect through ring flange and gasket between pipeline and the valve, the ring flange can produce certain not hard up owing to receive the erosion of material in the pipeline to produce when leading to the junction of material at pipeline and valve and reveal, the leakproofness between valve and the pipeline reduces. The connecting structure for the valve can adjust the positions of the first frame body and the second frame body through the adjusting mechanism, so that the first frame body is abutted against the end face, close to one end of the valve, on the first disc body, and the second frame body is moved to be abutted against the end face, far away from one end of the valve, on the second disc body, and the plurality of first frame bodies and the second frame bodies which are positioned at the two radial ends of the pipeline are mutually matched, so that the positions of the first disc body and the second disc body can be adjusted, and the state of being abutted against the gasket is kept, and the tightness between the valve and the pipeline is improved;

2. through the arrangement of the driving assembly, when the relative positions of the first disc body and the second disc body are required to be adjusted, the rotating motor is driven to rotate the screw rod, and the first sliding block and the second sliding block relatively move, so that the first frame body is driven to be abutted with the end face, close to one end of the valve, on the first disc body, and the second frame body is driven to be abutted with the end face, far away from one end of the valve, on the second disc body; when the relative positions of the first tray body and the second tray body do not need to be adjusted, the rotating motor is started, so that the screw rod drives the first frame body and the second frame body to move back to back, the first frame body is separated from the first tray body, and the second frame body is separated from the second tray body.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a ceramic double-gate feeding valve according to an embodiment of the present application.

Fig. 2 is a schematic structural view for showing the pressing device in the embodiment of the present application.

Fig. 3 is a schematic structural view for showing the adjusting mechanism in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a driving assembly in the embodiment of the present application.

FIG. 5 is a schematic view showing the structure of a ceramic shutter in an embodiment of the present application

Reference numerals illustrate: 1. a valve; 11. a housing chamber; 111. ceramic flashboard; 1111. sealing surfaces; 12. a feed inlet; 13. a discharge port; 14. a pipe; 2. a connection assembly; 21. a gasket; 22. a flange plate; 221. a first tray; 222. a second tray body; 223. an elastic pad; 3. a support base; 31. a chute; 4. a compacting device; 41. an adjusting mechanism; 411. a slide block; 4111. a first slider; 4112. a second slider; 412. a drive assembly; 4121. a screw; 4122. a rotating motor; 42. a tightening frame; 421. a friction pad; 422. a first frame body; 423. a second frame body; 5. a cylinder; 51. a piston rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a ceramic double-flashboard material conveying valve, and the ceramic double-flashboard material conveying valve comprises a valve 1 and a connecting structure for the valve. Referring to fig. 1 and 2, the connection structure for the valve comprises a connection component 2, a supporting seat 3 and a pressing device 4, a containing cavity 11 is formed in the valve 1, a feed inlet 12 and a discharge outlet 13 are formed in the valve 1, the feed inlet 12 and the discharge outlet 13 are communicated with the containing cavity 11, and a pipeline 14 is respectively communicated with the feed inlet 12 and the discharge outlet 13 through the connection component 2. The connecting assembly 2 comprises a gasket 21 and two groups of flanges 22, the two groups of flanges 22 respectively correspond to the feed inlet 12 of the valve 1 and the discharge outlet 13 of the valve 1, and each group of flanges 22 comprises a first disc 221 and a second disc 222 which are oppositely arranged. The gasket 21 is located between the first disc 221 and the second disc 222, and the first disc 221, the second disc 222 and the gasket 21 are connected with each other through screws and nuts. The supporting seat 3 is used for supporting the pipeline 14 and the valve 1, the supporting seat 3 is positioned right below the pipeline 14 and the valve 1, and the pressing device 4 is positioned on the supporting seat 3. When the material is conveyed, corrosive substances in the material loosen the flange 22 and the gasket 21, so that leakage of the material occurs at the joint of the pipeline 14 and the valve 1, and the tightness between the valve 1 and the pipeline 14 is reduced. When the first disc 221, the second disc 222 and the gasket 21 are loosened by the pressing device 4, the positions can be adjusted until the first disc, the second disc and the gasket are abutted against each other, so that the tightness between the valve 1 and the pipeline 14 is improved.

Referring to fig. 2 and 3, the first disc 221 is closer to the valve 1 than the second disc 222, the two first discs 221 are respectively in threaded connection with the inner wall of the feed inlet 12 of the valve 1 and the inner wall of the discharge outlet 13 of the valve 1, the two second discs 222 are respectively in threaded connection with the inner wall of the pipeline 14, elastic pads 223 are respectively sleeved on the first disc 221 and the second disc 222, and the elastic pads 223 are respectively positioned in the valve 1 and the pipeline 14. The gasket 21 is an anti-corrosion gasket 21, and the gasket 21 is made of polyurethane, so that the anti-corrosion performance of the gasket 21 is improved, corrosive substances in materials are not easy to corrode the gasket 21, and the service life of the gasket 21 is prolonged.

Before conveying materials, the pipeline 14 is connected with the valve 1 through the gasket 21 and the flange 22, the elastic pad 223 reduces contact between the first disc 221 and the inner wall of the valve 1, and the second disc 222 is contacted with the inner wall of the pipeline 14, so that friction force born by the first disc 221 and the second disc 222 during installation is reduced, and service lives of the first disc 221 and the second disc 222 are prolonged.

Referring to fig. 1, 2 and 3, the compressing device 4 includes an adjusting mechanism 41 and a plurality of abutting frames 42, and the plurality of abutting frames 42 are respectively located at two ends of the pipe 14 in a radial direction, which is perpendicular to the width direction of the supporting seat 3 in this embodiment. The end face of the abutting frame 42, which is close to the flange 22, is fixedly connected with a friction pad 421, and the friction pad 421 increases friction between the abutting frame 42 and the flange 22, so that the abutting frame 42 and the flange 22 are abutted more tightly. The adjusting mechanism 41 is used for adjusting the position of the abutting frame 42; each abutting frame 42 comprises a first frame body 422 and a second frame body 423 which are oppositely arranged, and the first frame body 422 is close to the valve 1 compared with the second frame body 423. The first frame 422 may move through the adjusting mechanism 41 until abutting against an end surface of the first disc 221 near the end of the valve 1, and the second frame 423 may also move through the adjusting mechanism 41 until abutting against an end surface of the second disc 222 far away from the end of the valve 1.

The positions of the first frame 422 and the second frame 423 are adjusted by the adjusting mechanism 41, so that the first frame 422 is abutted against the end face, close to one end of the valve 1, on the first disc 221, the second frame 423 is moved to be abutted against the end face, far away from one end of the valve 1, on the second disc 222, the plurality of first frames 422 and the second frames 423 are matched with each other, the first disc 221 and the second disc 222 are moved towards the direction of approaching each other, and further the positions of the first disc 221 and the second disc 222 can be adjusted to each other when looseness occurs until the first frame 422 and the second frame 222 are abutted against the gasket 21, and therefore sufficient tightness between the valve 1 and the pipeline 14 is maintained.

Referring to fig. 2 and 3, the adjusting mechanism 41 includes a plurality of sliding blocks 411 and a plurality of groups of driving assemblies 412, the supporting seat 3 is provided with a sliding groove 31 for sliding the sliding blocks 411, the sliding blocks 411 are dovetail blocks, in this embodiment, the sliding groove 31 is manufactured in a manner of being attached to the sliding blocks 411, and the sliding groove 31 is matched with the sliding blocks 411. The slide 411 is not easy to fall from the chute 31, and the stability of the installation of the slide 411 is improved. The slider 411 includes a first slider 4111 and a second slider 4112, the first slider 4111 and the second slider 4112 being juxtaposed in the longitudinal direction of the support base 3. The first sliding block 4111 is fixedly connected to the first frame 422 through a connecting rod, the second sliding block 4112 is fixedly connected to the second frame 423 through a connecting rod, and the driving assembly 412 is used for driving the first sliding block 4111 and the second sliding block 4112 to slide.

When the first frame 422 and the second frame 423 are required to slide, the driving component 412 drives the first sliding block 4111 and the second sliding block 4112 to slide respectively, so that the first frame 422 and the second frame 423 are driven to slide, the moving positions of the first frame 422 and the second frame 423 are adjusted, and the device is simple in structure and convenient to install.

Referring to fig. 3 and 4, each set of driving assemblies 412 includes a screw 4121 and a rotating motor 4122, the screw 4121 passes through the first sliding block 4111 and the second sliding block 4112 at the same time, and the screw 4121 is in threaded connection with both the first sliding block 4111 and the second sliding block 4112, and the first sliding block 4111 and the second sliding block 4112 are in opposite threaded connection directions with the screw 4121, and the screw 4121 is connected with the rotating shaft of the corresponding rotating motor 4122 and is coaxially arranged.

When the relative positions of the first disc 221 and the second disc 222 need to be adjusted, the rotating motor 4122 is driven to rotate the screw 4121, the first sliding block 4111 and the second sliding block 4112 approach each other, so as to drive the first frame 422 to move until the first frame abuts against the end face of the first disc 221 near the valve 1, and the second frame 423 moves until the second frame abuts against the end face of the second disc 222 far from the valve 1, so as to push the first disc 221 and the second disc 222 to move in directions approaching each other; when the relative positions of the first tray 221 and the second tray 222 do not need to be adjusted, the rotating motor 4122 is started, so that the screw 4121 drives the first frame 422 and the second frame 423 to move oppositely, the first frame 422 leaves the first tray 221, the second frame 423 leaves the second tray 222, and the movement of driving the first frame 422 and the second frame 423 is realized.

Referring to fig. 1 and 5, the ceramic double-gate feeding valve further comprises a cylinder 5, the valve 1 is made of ceramic, two ceramic gates 111 are arranged in the accommodating chamber 11 in a lifting manner through the cylinder 5, and the two ceramic gates 111 are fixedly connected with a piston rod 51 of the cylinder 5. When the valve 1 needs to be closed to prevent the material from passing through the accommodating chamber 11, the air cylinder 5 drives the ceramic flashboard 111 to descend to the bottom end of the ceramic flashboard 111 to be mutually abutted with the inner bottom wall of the accommodating chamber 11, and compared with the metal material generally used in the gate valve manufacturing process, the valve 1 and the ceramic flashboard 111 made of the ceramic material can bear the abrasion and erosion of hard particle media in the material, and are not easy to wear, so that the sealing performance of the valve 1 is improved.

The implementation principle of the ceramic double-flashboard material conveying valve provided by the embodiment of the application is as follows: when the pipeline 14 is used for conveying materials into the valve 1, the pipeline 14 and the valve 1 are connected through the gasket 21 and the flange plate 22, the flange plate 22 and the gasket 21 are eroded by corrosive substances of the materials in the pipeline 14, looseness can be generated between the flange plate 22 and the gasket 21, and accordingly leakage of the materials is caused when the materials enter the valve 1 from the pipeline 14, and the sealing performance between the valve 1 and the pipeline 14 is reduced. The positions of the first frame 422 and the second frame 423 are adjusted through the adjusting mechanism 41, so that the first frame 422 is abutted against the end face, close to one end of the valve 1, on the first disc 221, the second frame 423 is moved to be abutted against the end face, far away from one end of the valve 1, on the second disc 222, the plurality of first frame 422 and the second frame 423 are matched with each other, and the positions of the first disc 221, the second disc 222 and the gasket 21 can be adjusted when loosening occurs, so that the state of being abutted against each other is kept, and the tightness between the pipeline 14 and the valve 1 is improved. When the material is required to be controlled to stop conveying in the valve 1, the air cylinder 5 drives the ceramic flashboard 111 to descend to enable the bottom end of the ceramic flashboard 111 to be mutually abutted with the inner bottom wall of the accommodating chamber 11, and compared with the metal material generally used in the gate valve manufacturing process, the valve 1 and the ceramic flashboard 111 made of the ceramic material can bear abrasion and erosion of hard particle media in the material, and are not easy to wear, so that the sealing performance of the valve 1 is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The connecting structure for the valve comprises a connecting component (2), wherein the valve (1) is connected with a pipeline (14) through the connecting component (2); coupling assembling (2) include gasket (21) and ring flange (22), and ring flange (22) include first disk body (221) and second disk body (222), and gasket (21) are located between first disk body (221) and second disk body (222), and be fixed through bolt and nut between first disk body (221), second disk body (222) and the gasket (21), its characterized in that: the hydraulic pipeline pressing device comprises a pipeline (14) and a valve (1), and is characterized by further comprising a supporting seat (3) and a pressing device (4), wherein the supporting seat (3) is used for supporting the pipeline (14) and the valve (1), the pressing device (4) is positioned on the supporting seat (3), the pressing device (4) comprises an adjusting mechanism (41) and a plurality of pressing frames (42), the pressing frames (42) are respectively positioned at two radial ends of the pipeline (14), and the adjusting mechanism (41) is used for adjusting the positions of the pressing frames (42);

every support tight frame (42) all includes relative first support body (422) and second support body (423) that set up, first support body (422) are close to valve (1) in second support body (423), first support body (422) accessible adjustment mechanism (41) remove, until with first disc (221) on be close to the terminal surface butt of valve (1) one end, second support body (423) can also be removed through adjustment mechanism (41) until with second disc (222) on keep away from the terminal surface butt of valve (1) one end.

2. A valve-use connection structure according to claim 1, wherein: the adjusting mechanism (41) comprises a plurality of sliding blocks (411) and a plurality of groups of driving components (412), sliding grooves (31) for the sliding blocks (411) to slide are formed in the supporting seat (3), the sliding blocks (411) comprise first sliding blocks (4111) and second sliding blocks (4112), the first sliding blocks (4111) are connected with the first frame body (422) through connecting rods, the second sliding blocks (4112) are connected with the second frame body (423) through connecting rods, and the driving components (412) are used for driving the first sliding blocks (4111) and the second sliding blocks (4112) to slide.

3. A valve connection according to claim 2, wherein: each group of driving components (412) comprises a screw rod (4121) and a rotating motor (4122), the screw rod (4121) simultaneously penetrates through the first sliding block (4111) and the second sliding block (4112), the screw rod (4121) is in threaded connection with the first sliding block (4111) and the second sliding block (4112), the threaded connection directions of the first sliding block (4111), the second sliding block (4112) and the screw rod (4121) are opposite, and the screw rod (4121) is connected with a rotating shaft of the corresponding rotating motor (4122) and is coaxially arranged.

4. A valve-use connection structure according to claim 1, wherein: the gasket (21) is an anti-corrosion gasket (21).

5. A valve-use connection structure according to claim 1, wherein: a friction pad (421) is arranged on the abutting frame (42) close to the flange plate (22).

6. A valve connection according to claim 2, wherein: the valve further comprises a plurality of elastic gaskets (223), wherein the elastic gaskets (223) are respectively positioned at one end of the first disc body (221) positioned in the valve (1) and one end of the second disc body (222) positioned in the pipeline (14).

7. A valve connection according to claim 2, wherein: the sliding block (411) is a dovetail block, and the sliding groove (31) is matched with the sliding block (411).

8. The utility model provides a ceramic double flashboard material conveying valve which characterized in that: the connecting structure for the valve comprises any one of claims 1-7, and further comprises a cylinder (5), wherein the valve (1) is made of ceramic, a containing cavity (11) is formed in the valve (1), a feed inlet (12) and a discharge outlet (13) of the valve (1) are communicated with the containing cavity (11), and a plurality of ceramic flashboards (111) are arranged in the containing cavity (11) in a lifting manner through the cylinder (5).

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