CN220396529U - Disk valve - Google Patents

Abstract

The utility model discloses a disc valve, which comprises a valve body, a valve disc assembly and a pressing piece, wherein the valve body is provided with a medium channel and a valve cavity which are communicated; a valve disc assembly disposed within the valve cavity, the valve disc assembly including a first valve disc and a second valve disc; the compressing piece is arranged on the valve body corresponding to the first valve disc and is annularly arranged at the port of the medium channel; under the action of the driving force, the first valve disc is provided with a compressing state abutting against the compressing piece and a separating state separating from the compressing piece, and in the compressing state, the compressing piece applies pressure to the second valve disc through the first valve disc; the first valve disc comprises a second compaction cambered surface which is matched with the first compaction cambered surface. The disk valve with the structure is beneficial to improving the tightness of the disk valve, avoids wasting and polluting, and also avoids the contact between the first valve disk and the second valve disk and the valve body at any time, thereby increasing the abrasion of the first valve disk and the second valve disk and further reducing the service life of the disk valve.

Description

Disk valve

Technical Field

The utility model relates to the technical field of chemical engineering valves, in particular to a disc valve.

Background

Valves are components in a pipe transportation system for controlling a fluid, for changing the direction of the fluid or intercepting the fluid. When the existing manual valve is used, the valve core is gradually lifted by rotating the disc valve, so that the pipeline is conducted. In the industrial and mining production process system, a few valves on medium conveying pipelines such as steam (gas), water and the like are arranged in the air below an operation platform due to process requirements or other reasons, and the operation frequency of the valves is low, and manual valves are generally adopted.

In the prior art, when the disc valve needs to be sealed, the disc valve slides on a sealing surface at the side of a valve channel under the drive of a rocker arm until the disc valve completely seals the valve channel, so that the sealing can be completed; when the disc valve needs to circulate, the disc valve slides on the sealing surface at the side of the valve channel under the drive of the rocker arm until the valve channel is completely exposed, and the circulation of the disc valve can be completed.

However, in the existing disc valve, in the process of plugging or avoiding a valve channel, the disc valve is always tightly abutted against a sealing surface at the side of the valve channel, so that the disc valve is easy to damage, the service life of the disc valve is further reduced, and the disc valve is enabled to leak, so that waste and pollution are caused.

Disclosure of Invention

The technical problem to be solved by the present utility model is therefore to overcome the drawbacks.

To this end, the utility model provides a disc valve comprising:

the valve body is provided with a medium channel and a valve cavity which are communicated;

a valve disc assembly disposed within the valve cavity, the valve disc assembly including oppositely disposed first and second valve discs;

the compressing piece is arranged on the valve body corresponding to the first valve disc and is annularly arranged at the port of the medium channel;

the first valve disc has a pressing state of abutting against the pressing member and a separating state of separating from the pressing member under the action of a driving force, and in the pressing state, the pressing member applies pressure to the second valve disc through the first valve disc;

the first valve disc comprises a second compaction cambered surface which is matched with the first compaction cambered surface.

Optionally, in the above disc valve, the first pressing arc surface is provided with a first spacing section and a first pressing section, and the second pressing arc surface is provided with a second spacing section and a second pressing section corresponding to the first spacing section and the first pressing section.

Optionally, the disc valve described above, the valve disc assembly further comprises a connecting member disposed between the first valve disc and the second valve disc, the connecting member being adapted to connect the first valve disc and the second valve disc.

Optionally, in the above disc valve, an abutment portion is provided on the pressing member, the abutment portion is a boss structure, and the first pressing cambered surface is provided on the boss structure.

Optionally, the above-mentioned disk valve, still include drive assembly, drive assembly includes driving piece and transmission structure, the driving piece sets up on the valve body and the drive end with transmission structure's one end is connected, transmission structure's the other end with the connecting piece is connected, so as to drive under the drive of driving piece the valve disc subassembly slides.

Optionally, the above-mentioned disk valve, the transmission structure includes first driving medium, rotation piece and second driving medium, rotation piece rotationally sets up on the valve body, the both ends of first driving medium respectively with the drive end of driving medium with the one end of rotation piece is connected, the both ends of second driving medium respectively with the other end of rotation piece with the connecting piece is connected.

Optionally, the disc valve further comprises a connecting assembly, the connecting assembly comprises a fastener and a bearing, the fastener is sleeved on the connecting piece and connected with one end of the second transmission piece, and the bearing is arranged between the fastener and the connecting piece.

Optionally, the disc valve further comprises a fixing member and a locking member, wherein the fixing member is arranged on the peripheral wall surface of the fastening member, and the locking member is suitable for penetrating through the fixing member and the fastening member to connect the fixing member and the fastening member.

Optionally, the disc valve further comprises a protection component, wherein the protection component comprises a protection piece, and the protection piece is arranged between the fastening piece and the bearing to block the bearing from the outside.

Optionally, the disc valve further comprises a dust-proof member, wherein the dust-proof member is disposed between the protection member and the pressing member to block dust from the bearing and the outside.

Optionally, the disc valve, the protection assembly further includes:

an elastic member disposed between the connecting member and the first valve disc, the elastic member being adapted to drive the first valve disc toward the direction of the pressing member;

and the blocking piece is arranged on one side of the elastic piece away from the first valve disc and is suitable for blocking the elastic piece and the outside.

The technical scheme provided by the utility model has the following advantages:

1. the utility model provides a disc valve, which comprises a valve body, a valve disc assembly and a pressing piece, wherein the valve body is provided with a medium channel and a valve cavity which are communicated; a valve disc assembly disposed within the valve cavity, the valve disc assembly including oppositely disposed first and second valve discs; the compressing piece is arranged on the valve body corresponding to the first valve disc and is annularly arranged at the port of the medium channel; under the action of the driving force, the first valve disc is provided with a compressing state abutting against the compressing piece and a separating state separating from the compressing piece, and in the compressing state, the compressing piece applies pressure to the second valve disc through the first valve disc; the first valve disc comprises a second compaction cambered surface which is matched with the first compaction cambered surface.

The disc valve of this structure, through setting up valve disc subassembly and the piece that compresses tightly on the valve body, the valve body has medium passageway and the valve pocket that the intercommunication set up, wherein, medium passageway then sets up in the valve pocket, valve disc subassembly includes first valve disc and second valve disc, and first valve disc and second valve disc can seal up medium passageway under the effect of external force, it then sets up on the valve body to compress tightly the piece, and the ring is established in medium passageway's port department, simultaneously, it corresponds first valve disc setting to compress tightly the piece position on the valve body, when medium passageway is in the state that supplies medium circulation, be in the separation state of separating under the effect of external force for first valve disc and the piece that compresses tightly, when medium passageway is in by the state of being blocked, be in the state of compressing tightly each other for first valve disc and the piece that compresses tightly under the effect of external force, in addition, have the first cambered surface that compresses tightly with the second cambered surface that corresponds the piece to set up on the first valve disc, when compressing tightly the state, first valve disc is close to compressing tightly the piece under the effect of external force, and second cambered surface and compressing tightly the second cambered surface, and the mutual effect makes the valve disc and the second valve disc and the valve disc is further down in the opposite direction of the second valve disc, thereby the valve disc is compressed tightly, the valve disc is further avoided to the second valve disc and the valve disc, the valve disc is more has been made to the face, and the valve disc is more to the face, and the valve disc is more has improved, and the valve disc is further to the face and the valve, and the valve disc is further to the face and the valve.

2. The disc valve provided by the utility model has the advantages that the first compression cambered surface is provided with the first spacing section and the first compression section, and the second compression cambered surface is provided with the second spacing section and the second compression section which are corresponding to each other. The valve disc assembly further includes a connector disposed between the first valve disc and the second valve disc, the connector adapted to connect the first valve disc and the second valve disc. The pressing piece is provided with an abutting part, the abutting part is of a boss structure, and the first pressing cambered surface is arranged on the boss structure.

The disc valve of this structure through setting up first interval section and the first section that compresses tightly on the cambered surface and setting up second interval section and the second section that compresses tightly on first valve disc, when compressing tightly the state, first valve disc is close to the piece that compresses tightly under the effect of external force, in the in-process that is close to, interval each other between first interval section and the second interval section, but first interval section and second interval section can be close to each other, until first interval section and second interval section contact completely, at this moment, the process of closing up between first valve disc and the piece that compresses tightly has been accomplished, afterwards, continue to take place relative slip under the effect of external force between first valve disc and the piece that compresses tightly, make first pressure section and second pressure section contact area between the section increase gradually under the effect of external force, thereby make the piece that compresses tightly apply pressure to the second valve disc through first valve disc, and then realize the close contact between second valve disc and the valve body, with the leakproofness of improvement disc valve. Through the connecting piece that sets up between first valve disc and second valve disc, the one end and the first valve disc of connecting piece are connected, and the other end is connected with the second valve disc to when compressing tightly the piece and exerting pressure to the second valve disc through first valve disc, the connecting piece can be with pressure transmission from first valve disc department to second valve disc department, in order to realize pressure transmission. Through setting up the butt portion on compressing tightly the piece, the butt portion specifically is the boss structure on compressing tightly the piece, and first cambered surface that compresses tightly sets up on boss structure, when compressing tightly the piece and installing on the valve body, the main part of compressing tightly the piece falls into the mounting groove on the valve body completely, only boss structure protrusion valve body for when first valve disc is close to compressing tightly the piece, first cambered surface and second cambered surface that compresses tightly can contact each other, and then makes to compress tightly the piece and can exert pressure to the second valve disc through first valve disc, finally realizes the close contact of second valve disc and valve body.

3. The utility model provides a disc valve, which further comprises a driving assembly, wherein the driving assembly comprises a driving piece and a transmission structure, the driving piece is arranged on the valve body, the driving end is connected with one end of the transmission structure, and the other end of the transmission structure is connected with a connecting piece so as to drive the valve disc assembly to slide under the driving of the driving piece. The transmission structure comprises a first transmission part, a rotation part and a second transmission part, wherein the rotation part is rotatably arranged on the valve body, two ends of the first transmission part are respectively connected with the driving end of the driving part and one end of the rotation part, and two ends of the second transmission part are respectively connected with the other end of the rotation part and the connecting part.

The disk valve of this structure, through the drive assembly who sets up on the valve body, drive assembly includes driving piece and transmission structure, wherein, the driving piece sets up on the valve body, and driving piece's drive end is connected with transmission structure's one end, simultaneously, transmission structure's the other end is connected with the connecting piece, when needs are to the shutoff of medium passageway, driving piece's drive end drives transmission structure motion, transmission structure then drives the connecting piece motion, the connecting piece drives first valve disc and second valve disc motion, thereby make the second valve disc block up the medium passageway, when needs intercommunication medium passageway, driving piece's drive end drives transmission structure motion, transmission structure then drives the connecting piece motion, the connecting piece drives first valve disc and second valve disc motion, thereby make the second dodge the medium passageway, in order to make the medium passageway intercommunication. The driving device comprises a valve body, a first driving part, a rotating part and a second driving part, wherein the rotating part is rotationally arranged on the valve body, one end of the first driving part is connected with the driving end of the driving part, the other end of the first driving part is connected with the rotating part, one end of the second driving part is connected with the rotating part, and the other end of the second driving part is connected with the connecting part.

4. The utility model provides a disc valve, which further comprises a connecting component, wherein the connecting component comprises a fastener and a bearing, the fastener is sleeved on the connecting piece and is connected with one end of a second transmission piece, and the bearing is arranged between the fastener and the connecting piece. The connecting assembly further comprises a fixing member and a locking member, wherein the fixing member is arranged on the peripheral wall surface of the fastening member, and the locking member is suitable for penetrating through the fixing member and the fastening member to connect the fixing member and the fastening member.

The disk valve of this structure establishes the fastener on the connecting piece and sets up the bearing between fastener and connecting piece through the cover, and the fastener cover is established on the connecting piece to protect the connecting piece, avoid the connecting piece to receive external damage, simultaneously, the fastener is connected with the second driving piece, thereby drive the connecting piece rotation under the drive of driving piece, the bearing sets up between fastener and connecting piece, the connecting piece wears to establish in the bearing, make the bearing provide a supporting role to the connecting piece, and make the link can rotate relative to the bearing, avoid the connecting piece to appear cracked phenomenon. Through setting up the mounting on fastener periphery wall and setting up the retaining member between mounting and fastener, the mounting sets up on the periphery wall of fastener to fix fastener and connecting piece, avoid the fastener to drop from the connecting piece, the retaining member can run through mounting and fastener, thereby piece mounting links together with the fastener, has further improved the fastening nature that fastener and connecting piece are connected.

5. The disc valve provided by the utility model further comprises a protection assembly, wherein the protection assembly comprises a protection piece, and the protection piece is arranged between the fastening piece and the bearing to block the bearing from the outside. The protection component further comprises a dust-proof piece, and the dust-proof piece is arranged between the protection piece and the pressing piece to block dust between the bearing and the outside. The protection assembly further comprises an elastic piece and a blocking piece, the elastic piece is arranged between the connecting piece and the first valve disc, and the elastic piece is suitable for driving the first valve disc to approach towards the direction of the compressing piece; the blocking piece is arranged on one side of the elastic piece away from the first valve disc, and the blocking piece is suitable for blocking the elastic piece and the outside.

The disk valve with the structure is characterized in that the protection piece is arranged between the fastening piece and the bearing, so that the bearing is isolated from the outside, and the outside impurities are prevented from entering a gap between the fastening piece and the bearing, so that the bearing is damaged, and the bearing is protected. Through the dustproof piece that sets up between protector and compress tightly the piece, further separation bearing and external, avoided external dust to get into in compressing tightly the clearance between piece and the bearing to cause the damage to the bearing, and then be favorable to protecting the bearing. Through setting up the elastic component between connecting piece and first valve disc and setting up the separation spare in one side that the elastic component kept away from first valve disc, when compressing tightly the state, the second that compresses tightly on the first valve disc compresses tightly the cambered surface and compresses tightly the first cambered surface contact that compresses tightly on the piece, the elastic component can provide an elastic force to first valve disc for first valve disc is sticked up with compressing tightly the piece all the time, thereby makes to compress tightly the piece and can provide pressure through first valve disc to the second valve disc, separation spare can seal the space between elastic component and the connecting piece, avoid opening to separate in the granule gets into the space, influence the performance of elastic component.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a disc valve provided in an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a drive assembly in a disk valve provided in an embodiment of the present utility model;

FIG. 3 is a schematic illustration of the structure of a valve disc assembly and a hold-down member in a disc valve provided in an embodiment of the present utility model;

FIG. 4 is a schematic plan view of a coupling assembly and a shield assembly in a disc valve provided in an embodiment of the present utility model;

FIG. 5 is a schematic view of a structure of a pressing member in a disc valve according to an embodiment of the present utility model;

reference numerals illustrate:

1-a valve body;

2-a valve disc assembly; 21-a first valve disc; 22-a second valve disc; 23-connecting piece;

3-a pressing member; 31-a first compaction cambered surface;

4-a drive assembly; 41-a driving member; 42-a transmission structure; 421—a first transmission; 422-rotating member; 423-a second transmission member;

a 5-connection assembly; 51-fasteners; 52-bearing; 53-a fixing member; 54-locking piece;

6-a protective component; 61-guard; 62-dustproof piece; 63-an elastic member; 64-barrier.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The embodiment provides a disc valve, as shown in fig. 1 to 5, comprising a valve body 1, a valve disc assembly 2 and a pressing piece 3, wherein the valve body 1 is provided with a medium channel and a valve cavity which are communicated; the valve disc assembly 2 is arranged in the valve cavity, and the valve disc assembly 2 comprises a first valve disc 21 and a second valve disc 22 which are oppositely arranged; the compressing piece 3 is arranged on the valve body 1 corresponding to the first valve disc 21 and is annularly arranged at the port of the medium channel; under the action of the driving force, the first valve disc 21 has a pressed state of abutting against the pressing member 3 and a separated state of separating from the pressing member 3, and in the pressed state, the pressing member 3 applies pressure to the second valve disc 22 through the first valve disc 21; wherein, compress tightly piece 3 includes the first cambered surface 31 that compresses tightly that first valve disc 21 set up relatively, and first valve disc 21 includes the second cambered surface that compresses tightly with first cambered surface 31 adaptation.

The disc valve with the above structure is characterized in that the valve body 1 is provided with a medium channel and a valve cavity which are communicated, the medium channel can be used for medium circulation, the valve disc assembly 2 is arranged in the valve cavity, the valve disc assembly 2 comprises a first valve disc 21 and a second valve disc 22, the first valve disc 21 and the second valve disc 22 can seal the medium channel under the action of external force, the pressing piece 3 is arranged on the valve body 1 and is annularly arranged at a port of the medium channel, meanwhile, the pressing piece 3 is arranged on the valve body 1 corresponding to the first valve disc 21 in position, when the medium channel is in a state for medium circulation, namely, the first valve disc 21 and the pressing piece 3 are in a separated state under the action of external force, and when the medium channel is in a sealed state, namely, the first valve disc 21 and the compressing element 3 are in a compressing state of compressing each other under the action of external force, in addition, the first compressing element 3 is provided with a first compressing cambered surface 31 corresponding to the first valve disc 21, the first valve disc 21 is provided with a second compressing cambered surface corresponding to the compressing element 3, in the compressing state, the first valve disc 21 is close to the compressing element 3 under the action of external force until the first compressing cambered surface 31 and the second compressing cambered surface are contacted with each other, and the first valve disc 21 and the compressing element 3 slide relatively under the action of external force, so that the compressing element 3 applies pressure to the valve body 1 towards the direction of the second valve disc 22 through the first valve disc 21, and the second valve disc 22 applies pressure to the valve body 1, finally, the second valve disc 22 is tightly attached to the valve body 1, the sealing performance of the disc valve is improved, waste and pollution are avoided, simultaneously, the first and second valve discs 21 and 22 are prevented from coming into contact with the valve body 1 at any time, thereby increasing wear on the first and second valve discs 21 and 22 and reducing the service life of the disc valve.

As shown in fig. 1 to 5, the disc valve provided in this embodiment has a first compression arc surface 31 with a first spacing section and a first compression section, and a second compression arc surface with a second spacing section and a second compression section. In the disc valve with the above structure, through the first spacing section and the first compressing section which are arranged on the first compressing cambered surface 31 and the second spacing section and the second compressing section which are arranged on the first valve disc 21, the heights of the two ends of the first compressing cambered surface 31, which are opposite to the end surface of the medium channel on the valve body 1, are higher than the heights of the middle position on the compressing element 3, the heights of the two ends of the second compressing cambered surface, which are opposite to the end surface of the medium channel on the valve body 1, are lower than the heights of the middle position on the first valve disc 21, in the compressing state, the first valve disc 21 is close to the compressing element 3 under the action of external force, in the process of closing, the first spacing section and the second spacing section are mutually spaced, and contact is not generated, but the first spacing section and the second spacing section are mutually close until the first spacing section and the second spacing section are completely contacted, at this time, the closing process between the first spacing section 21 and the compressing element 3 is completed, then, the relative sliding between the first valve disc 21 and the compressing element 3 is continued under the action of external force, so that the first compressing section and the second compressing section are mutually contacted, and the second compressing section is gradually contacted with the first valve disc 22, and the second compressing section is gradually contacted with the first valve disc 1, and the compressing section is gradually contacted with the second compressing section, and the valve disc 22 is gradually contacted with the second compressing section, and the compressing section is pressed with the first valve disc and the second compressing section, and the compression is gradually and the compression is contacted with the second compression section.

The present embodiment provides a disc valve, as shown in fig. 3, in which the valve disc assembly 2 further includes a connecting member 23, the connecting member 23 being disposed between the first valve disc 21 and the second valve disc 22, the connecting member 23 being adapted to connect the first valve disc 21 and the second valve disc 22. In the disk valve having the above-described structure, the connecting member 23 is a connecting shaft in this embodiment through the connecting member 23 provided between the first valve disk 21 and the second valve disk 22, and one end of the connecting member 23 is connected to the first valve disk 21 and the other end is connected to the second valve disk 22, so that when the pressing member 3 applies pressure to the second valve disk 22 through the first valve disk 21, the connecting member 23 can transmit the pressure from the first valve disk 21 to the second valve disk 22 to achieve pressure transmission.

As shown in fig. 3, the disc valve provided in this embodiment is provided with an abutment portion on the pressing member 3, the abutment portion is a boss structure, and the first pressing cambered surface 31 is disposed on the boss structure. The disc valve of above-mentioned structure, through setting up the butt portion on compressing tightly 3, the butt portion specifically is the boss structure on compressing tightly 3, and first cambered surface 31 that compresses tightly sets up on boss structure, when compressing tightly 3 when installing on valve body 1, the main part of compressing tightly 3 falls into the mounting groove on the valve body 1 completely, only boss structure protrusion valve body 1 for when first valve disc 21 is close to compressing tightly 3, first cambered surface 31 and second cambered surface that compresses tightly can contact each other, and then make compressing tightly 3 can apply pressure to second valve disc 22 through first valve disc 21, finally realize the close contact of second valve disc 22 and valve body 1.

The disc valve provided in this embodiment, as shown in fig. 2, further includes a driving component 4, where the driving component 4 includes a driving member 41 and a transmission structure 42, the driving member 41 is disposed on the valve body 1, and the driving end is connected with one end of the transmission structure 42, and the other end of the transmission structure 42 is connected with the connecting piece 23, so as to drive the valve disc assembly 2 to slide under the driving of the driving member 41. The disc valve of above-mentioned structure, through setting up the drive assembly 4 on valve body 1, drive assembly 4 includes driving piece 41 and transmission structure 42, driving piece 41 is the cylinder in this embodiment, wherein, driving piece 41 sets up on valve body 1, and driving piece 41's drive end is connected with one end of transmission structure 42, simultaneously, transmission structure 42's the other end is connected with connecting piece 23, when needs are to the shutoff of medium passageway, driving piece 41's drive end drives transmission structure 42 motion, transmission structure 42 then drives connecting piece 23 motion, connecting piece 23 drives first valve disc 21 and second valve disc 22 motion, thereby make second valve disc 22 block up the medium passageway, when needs intercommunication medium passageway, driving piece 41's drive end drives transmission structure 42 motion, transmission structure 42 then drives connecting piece 23 motion, connecting piece 23 drives first 21 and second valve disc 22 motion, thereby make second valve disc 22 dodge the medium passageway, so that the medium passageway intercommunication.

The disc valve provided in this embodiment, as shown in fig. 2, the transmission structure 42 includes a first transmission member 421, a rotation member 422 and a second transmission member 423, the rotation member 422 is rotatably disposed on the valve body 1, two ends of the first transmission member 421 are respectively connected with the driving end of the driving member 41 and one end of the rotation member 422, and two ends of the second transmission member 423 are respectively connected with the other end of the rotation member 422 and the connecting member 23. The disc valve with the above structure comprises a first transmission member 421, a rotation member 422 and a second transmission member 423 through arranging the transmission structure 42, wherein the first transmission member 421 is a first transmission rod in the embodiment row, the second transmission member 423 is a second transmission rod in the embodiment row, the rotation member 422 is a rotation rod in the embodiment row, wherein the rotation member 422 is rotatably arranged on the valve body 1, one end of the first transmission member 421 is connected with the driving end of the driving member 41, the other end of the first transmission member 421 is connected with the rotation member 422, one end of the second transmission member 423 is connected with the connection member 23, when a medium channel is required to be plugged, the driving end of the driving member 41 drives the first transmission member 421 to move, the first transmission member 421 drives the rotation member 422 to rotate, the rotation member 422 drives the second transmission member 423 to synchronously rotate, the connection member 23 is driven by the second transmission member 423, and the connection member 23 drives the first valve disc 21 and the second valve disc 22 to rotate, so that the medium channel is plugged by the second valve disc 22, and when the medium channel is required to be communicated, the driving end of the driving member 41 drives the first transmission member 421 to drive the first transmission member 421 to move towards the second valve disc 22, and the second valve disc 22 is driven to synchronously rotate, and the medium channel is driven by the second transmission member 423 to rotate, and the medium channel is driven to synchronously rotate, and the medium channel is driven by the second transmission member 423 to drive the medium channel is driven to rotate.

The disc valve provided in this embodiment, as shown in fig. 4, further includes a connection assembly 5, where the connection assembly 5 includes a fastener 51 and a bearing 52, the fastener 51 is sleeved on the connection member 23 and connected to one end of the second transmission member 423, and the bearing 52 is disposed between the fastener 51 and the connection member 23. The disc valve of above-mentioned structure is through the cover setting up fastener 51 on connecting piece 23 and the bearing 52 of setting between fastener 51 and connecting piece 23, fastener 51 is the steel pipe in this embodiment, the fastener 51 cover is established on connecting piece 23 to protect connecting piece 23, avoid connecting piece 23 to receive external damage, simultaneously, fastener 51 is connected with second driving piece 423, thereby drive connecting piece 23 rotation under the drive of driving piece 41, bearing 52 sets up between fastener 51 and connecting piece 23, connecting piece 23 wears to establish in bearing 52, make bearing 52 provide a supporting role to connecting piece 23, and make the link rotate relative bearing 52, avoid connecting piece 23 to appear cracked phenomenon.

The disc valve provided in this embodiment, as shown in fig. 4, further includes a fixing member 53 and a locking member 54, the fixing member 53 being provided on an outer peripheral wall surface of the fastening member 51, the locking member 54 being adapted to penetrate the fixing member 53 and the fastening member 51 to connect the fixing member 53 and the fastening member 51. The disc valve of the above-described structure, by the fixing member 53 provided on the outer peripheral wall surface of the fastener 51 and the locking member 54 provided between the fixing member 53 and the fastener 51, the fixing member 53 is a fixing ring in the present embodiment, the locking member 54 is a screw in the present embodiment, and the fixing member 53 is provided on the outer peripheral wall surface of the fastener 51, thereby fixing the fastener 51 and the connecting member 23, preventing the fastener 51 from falling off from the connecting member 23, and the locking member 54 can penetrate the fixing member 53 and the fastener 51, thereby connecting the fixing member 53 and the fastener 51 together, and further improving the fastening property of the connection of the fastener 51 and the connecting member 23.

The disc valve provided in this embodiment, as shown in fig. 4, further includes a protection assembly 6, the protection assembly 6 includes a protection member 61, and the protection member 61 is disposed between the fastener 51 and the bearing 52 to block the bearing 52 from the outside. The disc valve with the structure has the advantages that the protective piece 61 is arranged between the fastening piece 51 and the bearing 52, and the protective piece 61 is the bearing 52 sleeve in the embodiment, so that the bearing 52 is isolated from the outside, and the outside impurities are prevented from entering a gap between the fastening piece 51 and the bearing 52, so that the bearing 52 is damaged, and the bearing 52 is protected.

The disc valve provided in this embodiment, as shown in fig. 4, the protection assembly 6 further includes a dust-proof member 62, and the dust-proof member 62 is disposed between the protection member 61 and the pressing member 3 to block dust from the bearing 52 and the outside. The disc valve with the structure has the advantages that the dustproof piece 62 is arranged between the protection piece 61 and the pressing piece 3, the dustproof piece 62 is dustproof filler in the embodiment, the bearing 52 and the outside are further blocked, and external dust is prevented from entering a gap between the pressing piece 3 and the bearing 52, so that the bearing 52 is damaged, and the bearing 52 is protected.

The disc valve provided in this embodiment, as shown in fig. 4, the protection assembly 6 further includes an elastic member 63 and a blocking member 64, the elastic member 63 is disposed between the connecting member 23 and the first valve disc 21, and the elastic member 63 is adapted to drive the first valve disc 21 to approach toward the compressing member 3; the blocking member 64 is arranged at a side of the elastic member 63 remote from the first valve disc 21, and the blocking member 64 is adapted to block the elastic member 63 from the outside. The disc valve with the above structure, through the elastic member 63 arranged between the connecting piece 23 and the first valve disc 21 and the blocking member 64 arranged on the side, far away from the first valve disc 21, of the elastic member 63, the elastic member 63 is a belleville spring in the present embodiment, the blocking member 64 is a graphite rope in the present embodiment, in the compressed state, the second compression cambered surface on the first valve disc 21 is in contact with the first compression cambered surface 31 on the compression member 3, the elastic member 63 can provide an elastic force for the first valve disc 21, so that the first valve disc 21 is always tightly attached to the compression member 3, and the blocking member 64 can provide pressure for the second valve disc 22 through the first valve disc 21, so that the gap between the elastic member 63 and the connecting piece 23 can be sealed, and the performance of the elastic member 63 is prevented from being influenced by the opening particles entering the gap.

The utility model provides a disk valve, through a valve disk assembly 2 and a compressing piece 3 which are arranged on a valve body 1, the valve body 1 is provided with a medium channel and a valve cavity which are communicated, wherein the medium channel can be used for medium circulation, the valve disk assembly 2 is arranged in the valve cavity, the valve disk assembly 2 comprises a first valve disk 21 and a second valve disk 22, the first valve disk 21 and the second valve disk 22 can seal the medium channel under the action of external force, the compressing piece 3 is arranged on the valve body 1 and is annularly arranged at a port of the medium channel, meanwhile, the compressing piece 3 is arranged on the valve body 1 at a position corresponding to the first valve disk 21, when the medium channel is in a state for medium circulation, the first valve disk 21 and the compressing piece 3 are in a separated state under the action of external force, when the medium channel is in a sealed state, the first valve disk 21 and the compressing piece 3 are in a mutually compressed state under the action of external force, in addition, the first compressing piece 3 is provided with a first compressing cambered surface 31 which is arranged corresponding to the first valve disc 21, the first valve disc 21 is provided with a second compressing cambered surface which is arranged corresponding to the compressing piece 3, when in a compressing state, the first valve disc 21 is close to the compressing piece 3 under the action of external force until the first compressing cambered surface 31 and the second compressing cambered surface are contacted with each other, and relative sliding occurs between the first valve disc 21 and the compressing piece 3 under the action of external force, so that the compressing piece 3 applies pressure towards the second valve disc 22 through the first valve disc 21, and the second valve disc 22 applies pressure to the valve body 1, finally, the second valve disc 22 is tightly attached to the valve body 1, the sealing performance of the disc valve is improved, waste and pollution are avoided, meanwhile, the first valve disc 21 and the second valve disc 22 are prevented from contacting the valve body 1 at any time, thereby increasing wear on the first and second valve discs 21, 22 and thus decreasing the service life of the disc valve.

The utility model provides a disc valve, which has the following working process:

first, the driving member 41 is activated; then, the driving end of the driving member 41 drives the first transmission member 421 to move, the first transmission member 421 drives the rotation member 422 to rotate, the rotation member 422 drives the second transmission member 423 to synchronously rotate, the second transmission member 423 drives the connecting member 23 to rotate, and the connecting member 23 drives the first valve disc 21 and the second valve disc 22 to rotate, so that the second valve disc 22 seals the medium channel; finally, the driving end of the driving member 41 drives the first driving member 421 to move, the first driving member 421 drives the rotating member 422 to rotate towards the opposite direction, the rotating member 422 drives the second driving member 423 to synchronously rotate, the second driving member 423 drives the connecting member 23 to rotate, and the connecting member 23 drives the first valve disc 21 and the second valve disc 22 to rotate, so that the second valve disc 22 avoids the medium channel, and the medium channel is communicated. Thus, the working process of the disc valve is completed.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (11)

1. A disc valve, comprising:

the valve body (1), the said valve body (1) has medium channel and valve pocket that set up in communication;

a valve disc assembly (2), the valve disc assembly (2) being disposed within the valve cavity, the valve disc assembly (2) comprising oppositely disposed first and second valve discs (21, 22);

the compressing piece (3) is arranged on the valve body (1) corresponding to the first valve disc (21), and is annularly arranged at the port of the medium channel;

the first valve disk (21) has a pressed state in which it is in contact with the pressing member (3) and a separated state in which it is separated from the pressing member (3), and in the pressed state, the pressing member (3) applies pressure to the second valve disk (22) through the first valve disk (21);

the compression piece (3) comprises a first compression cambered surface (31) which is oppositely arranged on the first valve disc (21), and the first valve disc (21) comprises a second compression cambered surface which is matched with the first compression cambered surface (31).

2. Disc valve according to claim 1, characterized in that the first compression arc surface (31) has a first spacer section and a first compression section thereon, and the second compression arc surface has a corresponding second spacer section and second compression section thereon.

3. A disc valve according to claim 1 or 2, wherein the valve disc assembly (2) further comprises a connecting piece (23), the connecting piece (23) being arranged between the first valve disc (21) and the second valve disc (22), the connecting piece (23) being adapted to connect the first valve disc (21) and the second valve disc (22).

4. A disc valve according to claim 3, characterized in that the pressing member (3) is provided with an abutment portion, which is a boss structure, on which the first pressing arc surface (31) is provided.

5. A disc valve according to claim 4, further comprising a driving assembly (4), wherein the driving assembly (4) comprises a driving member (41) and a transmission structure (42), the driving member (41) is arranged on the valve body (1) and the driving end is connected with one end of the transmission structure (42), and the other end of the transmission structure (42) is connected with the connecting piece (23) so as to drive the valve disc assembly (2) to slide under the driving of the driving member (41).

6. The disc valve according to claim 5, characterized in that the transmission structure (42) comprises a first transmission member (421), a rotation member (422) and a second transmission member (423), the rotation member (422) is rotatably provided on the valve body (1), both ends of the first transmission member (421) are respectively connected with the driving end of the driving member (41) and one end of the rotation member (422), and both ends of the second transmission member (423) are respectively connected with the other end of the rotation member (422) and the connection member (23).

7. The disc valve according to claim 6, further comprising a connection assembly (5), the connection assembly (5) comprising a fastener (51) and a bearing (52), the fastener (51) being sleeved on the connection member (23) and connected to one end of the second transmission member (423), the bearing (52) being arranged between the fastener (51) and the connection member (23).

8. The disc valve according to claim 7, wherein the connection assembly (5) further comprises a fixing member (53) and a locking member (54), the fixing member (53) being provided on an outer circumferential wall surface of the fastening member (51), the locking member (54) being adapted to penetrate the fixing member (53) and the fastening member (51) to connect the fixing member (53) and the fastening member (51).

9. The disc valve according to claim 8, further comprising a guard assembly (6), the guard assembly (6) comprising a guard (61), the guard (61) being disposed between the fastener (51) and the bearing (52) to block the bearing (52) from the outside.

10. Disc valve according to claim 9, characterized in that the protection assembly (6) further comprises a dust guard (62), the dust guard (62) being arranged between the protection (61) and the compression member (3) to block dust of the bearing (52) from the outside.

11. Disc valve according to claim 10, characterized in that the protection assembly (6) further comprises:

-an elastic member (63), said elastic member (63) being arranged between said connecting member (23) and said first valve disc (21), said elastic member (63) being adapted to drive said first valve disc (21) closer towards said compression member (3);

a blocking member (64), the blocking member (64) being arranged on a side of the elastic member (63) remote from the first valve disc (21), the blocking member (64) being adapted to block the elastic member (63) from the outside.