CN212775638U - External scraper rotary valve - Google Patents
External scraper rotary valve Download PDFInfo
- Publication number
- CN212775638U CN212775638U CN202021793428.3U CN202021793428U CN212775638U CN 212775638 U CN212775638 U CN 212775638U CN 202021793428 U CN202021793428 U CN 202021793428U CN 212775638 U CN212775638 U CN 212775638U
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- blade
- shell body
- scraper blade
- scraper
- rotary valve
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Abstract
The utility model discloses an external scraper blade rotary valve, including the shell body, central authorities are equipped with the pivot in the shell body, connect the blade in the pivot, and shell body top and blade handing-over department are equipped with the scraper blade, and the scraper blade is evenly arranged in shell body top both sides. The utility model has the advantages of reasonable design ingenious, scraper blade and blade separation, the scraper blade replacement is with low costs, and replacement convenient and fast reduces the maintenance cost to in rotary valve work, when the great material adhesion of viscidity is on the blade, when the blade passes through the scraper blade, the scraper blade can be scraped the material down, plays the clearance effect to the blade.
Description
Technical Field
The utility model relates to an external scraper blade rotary valve.
Background
The rotary valve is when carrying out the great material of viscosity and carrying, to avoid the material adhesion to lead to the blade card to die, generally can set up the doctor-bar on the blade, the doctor-bar is flexible material, form the shearing force with the casing inner wall when the blade gets into the casing, cut off the viscidity material, but the easy adhesion of material is on the blade, long-time accumulation also can lead to the blade card to die, need maintain the replacement with the blade, the maintenance replacement cost of blade is than higher, manufacturing cost has been improved.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an external scraper blade rotary valve with scraper blade and blade separation, reduces the consumptive material cost, has certain clearance effect to the blade.
To achieve the purpose, the utility model adopts the structure that: the utility model provides an external scraper blade rotary valve, includes the shell body, be equipped with the pivot in the shell body, distribute the blade around the pivot, the polylith scraper blade of having arranged with blade handing-over department in shell body top both sides, the scraper blade passes through screw rod nut to be fixed on the shell body.
The scraper blade is flexible metal or rubber sheet.
The blade and the central line of the rotating shaft form an included angle of 5-15 degrees.
The beneficial effects are as follows: the utility model has the advantages of reasonable design ingenious, scraper blade and blade separation, the scraper blade replacement is with low costs, and replacement convenient and fast reduces the maintenance cost to in rotary valve work, when the great material adhesion of viscidity is on the blade, when the blade passes through the scraper blade, the scraper blade can be scraped the material down, plays the clearance effect to the blade.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a top view structural diagram of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
An external scraper rotary valve as shown in fig. 1, fig. 2, fig. 3 includes shell body 1, be equipped with pivot 2 in the shell body 1, distribute blade 3 around the pivot 2, the polylith scraper blade 4 has been arranged with blade 3 handing-over department in shell body 1 top both sides, and scraper blade 4 passes through the screw nut to be fixed on shell body 1.
The scraper 4 is a flexible metal or rubber sheet.
The blade 3 and the central line of the rotating shaft 2 form an included angle of 5-15 degrees.
The utility model has the advantages of reasonable design ingenious, scraper blade and blade separation, the scraper blade replacement is with low costs, and replacement convenient and fast reduces the maintenance cost to in rotary valve work, when the great material adhesion of viscidity is on the blade, when the blade passes through the scraper blade, the scraper blade can be scraped the material down, plays the clearance effect to the blade.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (3)
1. The utility model provides an external scraper blade rotary valve, includes shell body (1), its characterized in that, be equipped with pivot (2) in shell body (1), distribute blade (3) around pivot (2), shell body (1) top both sides and blade (3) handing-over department polylith scraper blade (4) of having arranged, scraper blade (4) pass through the screw rod nut to be fixed on shell body (1).
2. External scraper rotary valve according to claim 1, characterized in that the scraper (4) is a flexible metal or rubber sheet.
3. The external scraper rotary valve as claimed in claim 1, wherein the angle between the blade (3) and the center line of the rotary shaft (2) is 5-15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021793428.3U CN212775638U (en) | 2020-08-25 | 2020-08-25 | External scraper rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021793428.3U CN212775638U (en) | 2020-08-25 | 2020-08-25 | External scraper rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775638U true CN212775638U (en) | 2021-03-23 |
Family
ID=75054717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021793428.3U Active CN212775638U (en) | 2020-08-25 | 2020-08-25 | External scraper rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775638U (en) |
-
2020
- 2020-08-25 CN CN202021793428.3U patent/CN212775638U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |