CN208169562U - A kind of knife gate valve - Google Patents
A kind of knife gate valve Download PDFInfo
- Publication number
- CN208169562U CN208169562U CN201820699095.4U CN201820699095U CN208169562U CN 208169562 U CN208169562 U CN 208169562U CN 201820699095 U CN201820699095 U CN 201820699095U CN 208169562 U CN208169562 U CN 208169562U
- Authority
- CN
- China
- Prior art keywords
- flashboard
- brake disc
- collection tank
- knife gate
- gate valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a kind of knife gate valves, two flaps including being in mirror symmetry, the lower end of flap is circular ring shape brake disc, rubber ring is equipped in brake disc, rubber ring includes hollow rubber circle ontology, opotism is connected on the outside of hollow rubber circle ontology, opotism is connect with brake disc inner ring, two hollow rubber circle ontologies on two flaps are in close contact, circular ring shape brake disc upper end is connected with square cavity, flashboard is equipped in cavity, the lower end surface of flashboard is to be downwardly projected wedge angle, the outer surface of flashboard is coated with tetrafluoroethene layer, flashboard upper end is connected with pull rod, pull rod is connected with executing agency, rectangular collection tank is connected on the downside of brake disc, collection tank lower end is connected with cover board, collection tank is connected to the gap that two brake discs are formed.By the way that rubber ring to be designed with to hollow structure, compressed capability is improved, no matter whether flashboard is cut between two rubber rings, and two rubber rings all form closed structure, avoid the entrance of particulate matter.
Description
Technical field
The utility model relates to valve technology fields, it particularly relates to a kind of knife gate valve.
Background technique
In petrochemical industry and thermoelectricity field, mine metallurgy, sewage treatment, papermaking etc. containing powder, ore pulp, slurries, waste residue,
On the pipeline of particle, disconnecting link valve gear is widely applied to control and convey screenings, ore pulp.Currently, common knife gate valve lacks
Point:Easily enter particulate matter in brake disc, influences using effect.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of knife gate valves, are able to solve above-mentioned skill
Art problem.
To realize the above-mentioned technical purpose, the technical solution of the utility model is realized in:
A kind of knife gate valve, including valve body, the valve body include two flaps in mirror symmetry, and the lower end of the flap is
Circular ring shape brake disc, the brake disc is interior to be equipped with rubber ring, and the rubber ring includes hollow rubber circle ontology, the hollow rubber circle sheet
Opotism is connected on the outside of body, the opotism is connect with brake disc inner ring, and two hollow rubber circle ontologies on two flaps are close
Contact, circular ring shape brake disc upper end are connected with square cavity, and flashboard is equipped in the cavity, and the top of the flashboard is side
Shape, the lower part of the flashboard are semicircle, and the lower end surface of the flashboard is to be downwardly projected wedge angle, the outer surface coating of the flashboard
There is tetrafluoroethene layer, the flashboard upper end is connected with pull rod, and the pull rod is connected with executing agency, the downside connection of the brake disc
There is rectangular collection tank, the collection tank lower end is connected with cover board, the sky that the collection tank is formed with two brake discs
Gap connection.
Further, the angle of the wedge angle is 30 °.
Further, the executing agency selects rotation handwheel.
Further, the executing agency selects motor, and the motor is connected with retarder.
Further, the executing agency selects cylinder, is connected between the cylinder and the flashboard by atmospheric pressure pole.
The beneficial effects of the utility model:By the way that rubber ring to be designed with to hollow structure, compressed capability, nothing are improved
Whether cut between two rubber rings by flashboard, two rubber rings all form closed structure, avoid the entrance of particulate matter.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of knife gate valve according to the utility model embodiment.
Fig. 2 is a kind of structural schematic diagram of the flashboard of knife gate valve according to the utility model embodiment.
Fig. 3 is that the structure that a kind of two rubber rings of the knife gate valve according to the utility model embodiment are in close contact is shown
It is intended to.
Fig. 4 is a kind of structural schematic diagram of the rubber ring of knife gate valve according to the utility model embodiment.
In figure:1. brake disc;2. hollow rubber circle ontology;3. opotism;4. cavity;5. flashboard;6. pull rod;7. executing agency;
8. collection tank;9. cover board.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figs 1-4, a kind of knife gate valve according to the utility model embodiment, including valve body, the valve body packet
Two flaps in mirror symmetry are included, the lower end of the flap is circular ring shape brake disc 1, and rubber ring is equipped in the brake disc 1, described
Rubber ring includes hollow rubber circle ontology 2, and the outside of the hollow rubber circle ontology 2 is connected with opotism 3, the opotism 3 and lock
1 inner ring of disk connects, and two hollow rubber circle ontologies 2 on two flaps are in close contact, and 1 upper end of circular ring shape brake disc is connected with
Square cavity 4, is equipped with flashboard 5 in the cavity 4, the top of the flashboard 5 be it is rectangular, the lower part of the flashboard 5 is semicircle,
The lower end surface of the flashboard 5 is to be downwardly projected wedge angle, and the outer surface of the flashboard 5 is coated with tetrafluoroethene layer, on the flashboard 5
End is connected with pull rod 6, and the pull rod is connected with executing agency 7, and the downside of the brake disc 1 is connected with rectangular collection tank 8, described
8 lower end of collection tank is connected with cover board 9, and the collection tank 8 is connected to the gap that two brake discs 1 are formed.
In one embodiment, the angle of the wedge angle is 30 °.
In one embodiment, the executing agency 7 selects rotation handwheel.
In one embodiment, the executing agency 7 selects motor, and the motor is connected with retarder.
In one embodiment, the executing agency 7 selects cylinder, passes through gas between the cylinder and the flashboard 5
Compression bar connection.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode
The above-mentioned technical proposal of type is described in detail.
When specifically used, according to a kind of knife gate valve described in the utility model, including valve body, valve body includes in mirror image pair
The lower end of two flaps claimed, flap is circular ring shape brake disc 1, including two circular ring shape brake discs 1, two circular ring shape brake discs 1 pass through
It is bolted together, the inside of each brake disc 1 is connected with the rubber ring to match, and rubber ring includes hollow rubber circle sheet
Body 2, hollow rubber circle ontology 2 are designed with the structure of middle cavity, can provide compression space, wherein hollow rubber circle sheet
Body 2 thickness satisfaction be not easy it is bad by 5 up and down motion time stamp of flashboard, the volume of the middle cavity of hollow rubber circle ontology 2 and insert
The volume for entering the flashboard 5 between two rubber rings matches, the valve body after installing, and two rubber rings are to be in close contact together
, the structure of a sealing is formed, fluid will not enter in the structure of sealing, and the outside of hollow rubber circle ontology 2 is connected with skirt
Band 3, opotism 3 are a circle rubber structures, are integrally formed in circle with hollow rubber circle ontology 2, and outer ring and 1 inner ring of brake disc connect
It connects, opotism 3 can be designed to that flange plate structure, brake disc 1 are equipped with the rendezvous method matched with opotism 3 by specific connection type
Opotism 3 is directly bolted with the abutted flange disk on brake disc 1 blue disk.1 upper end of brake disc is connected with square cavity 4, chamber
Flashboard 5 is equipped in body 4, the structure of flashboard 5 and the structure of brake disc 1 to cooperation, the top of flashboard 5 be it is rectangular, the lower part of flashboard 5 is
Semicircle, the rectangular width in top are greater than the internal diameter of brake disc 1, and the diameter of lower semicircular shape is greater than the internal diameter of brake disc 1, flashboard 5
Lower end surface is to be downwardly projected wedge angle, designs the end face being pointed at, on the one hand can reduce the resistance moved downward, is on the one hand energy
Between the rubber ring of two close contacts of enough preferably insertions, the outer surface of flashboard 5 is coated with tetrafluoroethene layer, plays preferably
Lubricating action.The downside of brake disc 1 is connected with rectangular collection tank 8, and the length of collection tank 8 is identical as the outer diameter of brake disc 1, collects
The width of cabinet 8 and two brake discs 1 after installation it is of same size, the outside of two brake discs 1 can be bolted, in this way
The inside of two brake discs 1 is closed by the rubber ring of two close contacts, forms gap between the outside of two brake discs 1, in this way,
When flashboard 5 moves downward, it is pressed into the receipts that the particulate matter between two rubber rings can be fallen on to be connected to the gap that brake disc 1 is formed
Collect in cabinet 8,8 lower end of collection tank is connected with cover board 9, and cover board 9 is bolted with collection tank 8, can periodically be cleared up.
At work, when having fluid to pass through, two rubber rings are in close contact, and fluid leakage are not had, when 7 band of executing agency
When dynamic flashboard 5 moves downward, the wedge angle of 5 lower end of flashboard cuts two rubber ring contact surfaces, has due to the inside of rubber ring band
Empty structure, so be in close contact after flashboard 5 is cut or with two rubber rings, the phenomenon that fluid leaks outside generation is not had.
In conclusion by means of the above-mentioned technical proposal of the utility model, it is hollow by the way that rubber ring to be designed with
Structure improves compressed capability, and no matter whether flashboard is cut between two rubber rings, and two rubber rings all form closed structure,
Avoid the entrance of particulate matter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of knife gate valve, including valve body, which is characterized in that the valve body includes two flaps in mirror symmetry, the valve
The lower end of valve is circular ring shape brake disc(1), the brake disc(1)Interior to be equipped with rubber ring, the rubber ring includes hollow rubber circle ontology
(2), the hollow rubber circle ontology(2)Outside be connected with opotism(3), the opotism(3)With brake disc(1)Inner ring connection, two
Two hollow rubber circle ontologies on a flap(2)It is in close contact, the circular ring shape brake disc(1)Upper end is connected with square cavity
(4), the cavity(4)It is interior to be equipped with flashboard(5), the flashboard(5)Top be rectangular, the flashboard(5)Lower part be semicircle
Shape, the flashboard(5)Lower end surface be downwardly projected wedge angle, the flashboard(5)Outer surface be coated with tetrafluoroethene layer, it is described
Flashboard(5)Upper end is connected with pull rod(6), the pull rod is connected with executing agency(7), the brake disc(1)The downside side of being connected with
Shape collection tank(8), the collection tank(8)Lower end is connected with cover board(9), the collection tank(8)With two brake discs
(1)The gap of formation is connected to.
2. a kind of knife gate valve according to claim 1, which is characterized in that the angle of the wedge angle is 30 °.
3. a kind of knife gate valve according to claim 1, which is characterized in that the executing agency(7)Select rotation handwheel.
4. a kind of knife gate valve according to claim 1, which is characterized in that the executing agency(7)Select motor, the motor
It is connected with retarder.
5. a kind of knife gate valve according to claim 1, which is characterized in that the executing agency(7)Select cylinder, the cylinder
With the flashboard(5)Between pass through atmospheric pressure pole connect.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820699095.4U CN208169562U (en) | 2018-05-11 | 2018-05-11 | A kind of knife gate valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820699095.4U CN208169562U (en) | 2018-05-11 | 2018-05-11 | A kind of knife gate valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208169562U true CN208169562U (en) | 2018-11-30 |
Family
ID=64366878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820699095.4U Expired - Fee Related CN208169562U (en) | 2018-05-11 | 2018-05-11 | A kind of knife gate valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208169562U (en) |
-
2018
- 2018-05-11 CN CN201820699095.4U patent/CN208169562U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20190511 |