CN210715160U - Cutting pump with adjustable radial clearance - Google Patents
Cutting pump with adjustable radial clearance Download PDFInfo
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- CN210715160U CN210715160U CN201921884833.3U CN201921884833U CN210715160U CN 210715160 U CN210715160 U CN 210715160U CN 201921884833 U CN201921884833 U CN 201921884833U CN 210715160 U CN210715160 U CN 210715160U
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- radial clearance
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Abstract
The utility model belongs to the technical field of the cutting pump, refer in particular to a radial clearance adjustable cutting pump, including diving motor and suit in the pivot of diving motor, the cover is equipped with the oil cylinder lid in the pivot, is fixed with the pump body on the oil cylinder lid, the oil cylinder lid forms the pump chamber with the pump body, is equipped with fixed suit in the pump chamber and changes epaxial impeller, and the impeller below is equipped with fixed suit in the pivot cutting knife, the cover is equipped with clearance fit's cutting frame between cutting knife and the pump body, the pump body is kept away from oil cylinder lid one side and is equipped with ring shape boss, and the circumference equipartition runs through on the ring shape boss lateral wall and is equipped with more than two along its radial screw through-hole, runs through in the screw through-hole and is equipped with rather than screw. The utility model has adjustable radial clearance between the cutting knife and the cutting frame and simple and convenient adjustment, and solves the problem of difficult adjustment of user jamming; the pump body and the cutting frame are convenient to assemble, and the production efficiency is high.
Description
The technical field is as follows:
the utility model belongs to the technical field of the cutting pump, refer in particular to a radial clearance adjustable cutting pump.
Background art:
the cutting pump is one kind of sewage draining pump, and can tear and cut off long fiber, bag, belt, grass, cloth and other matter in sewage before draining.
Cutting knife and cutting frame have the cutting effect among the current cutting pump, and the radial clearance of cutting knife and cutting frame will be suitable, and suggestion control is within 0.25mm, and the too big cutting effect that can not reach in clearance, and the jamming phenomenon can appear in the zero clearance. Due to the size error and the accumulated tolerance of the parts, the clamping stagnation phenomenon often occurs on the cutting knife and the cutting frame, and the cutting knife and the cutting frame are difficult to adjust after the clamping stagnation phenomenon occurs. If the jamming phenomenon occurs at the user due to transportation or other reasons, the adjustment is more difficult for the user, and the user dissatisfaction and the user complaint are easily caused. In addition, the pump body and the cutting frame in the existing cutting pump structure are in interference fit, are difficult to assemble and have low production efficiency.
The invention content is as follows:
the utility model aims at providing a cutting pump with adjustable radial clearance, which has adjustable radial clearance between a cutting knife and a cutting frame and simple and convenient adjustment, and solves the problem of difficult adjustment caused by user jamming; the pump body and the cutting frame are convenient to assemble, and the production efficiency is high.
The utility model discloses a realize like this: the utility model provides a radial clearance adjustable cutting pump, includes the pivot of dive motor and suit in the dive motor, the cover is equipped with the oil cylinder lid in the pivot, is fixed with the pump body on the oil cylinder lid, the oil cylinder lid forms the pump chamber with the pump body, is equipped with fixed cover in the pump chamber and installs the epaxial impeller in the pivot, and the impeller below is equipped with fixed cover and installs the epaxial cutting knife in the pivot, the cover is equipped with clearance fit's cutting frame, its characterized in that between cutting knife and the pump body: the side, away from the oil cylinder cover, of the pump body is provided with an annular boss, more than two threaded through holes which are arranged along the radial direction of the annular boss are uniformly distributed on the side wall of the annular boss in a penetrating manner on the circumference, a radial adjusting piece matched with the threads of the threaded through holes penetrates through the threaded through holes, and the radial adjusting piece acts on the outer side wall, opposite to the pump body, of the cutting frame; the end face of the cutting frame is provided with more than two fixed knife edges which are uniformly distributed on the circumference, and the fixed knife edges are provided with fixed knife edge faces which form a cutting function with the rotary knife edge faces of the cutting knife.
In the above cutting pump with adjustable radial clearance, the rotary cutter edge surfaces are uniformly distributed on more than two circumferences.
In the above cutting pump with adjustable radial gap, the outer end face of the circular boss is provided with grooves uniformly distributed on the circumference, and threaded holes are arranged in the grooves; the circumference of the side surface of the cutting frame is provided with lugs corresponding to the shape, position and position of the groove, and through holes corresponding to the positions of the threaded holes are formed in the lugs; and a threaded piece screwed in the threaded hole penetrates through the through hole, and the cutting frame is fixed on the pump body.
In the cutting pump with the adjustable radial clearance, the clearance of the clearance fit between the pump body and the cutting frame is controlled within 0.05 mm.
In the above cutting pump with adjustable radial clearance, the outer side wall of the circular ring-shaped boss is provided with the plane boss penetrated by the thread through hole, so that the contact surface between the radial adjusting piece and the outer side of the circular ring-shaped boss is a plane, and the radial adjusting piece is better fastened.
In the above cutting pump with adjustable radial clearance, the radial adjusting member and the threaded member are bolts or screws.
In the above cutting pump with the adjustable radial gap, the threaded part is sleeved with the washer, and the fastening effect of the threaded part is firmer.
In the above cutting pump with adjustable radial gap, the impeller is provided with the impeller boss and the convex table surface thereof, the cutting knife is provided with the inner end surface of the cutting knife, and the inner end surface of the cutting knife is abutted against the convex table surface to axially limit the cutting knife.
In foretell radial clearance adjustable cutting pump, the axle head setting of pivot is in the cutting knife, and it is dead to prevent to twine the foreign matter card when the pivot is rotatory, and then leads to the overheated burnout of motor.
In the cutting pump with the adjustable radial clearance, the rotary cutter edge surface is a spiral cutter edge surface, so that the cutting effect is better.
In the above cutting pump with adjustable radial gap, the fixed knife edges are all located on the side of the cutting frame far away from the impeller.
In the cutting pump with the adjustable radial gap, the fixed knife edges are respectively positioned at the upper side and the lower side of the cutting frame, more than two fixed knife edges are arranged at each side of the cutting frame, and the fixed knife edges positioned at the upper side of the cutting frame and the fixed knife edges positioned at the lower side of the cutting frame are distributed at intervals.
In the cutting pump with the adjustable radial clearance, the threaded through holes correspond to the fixed cutter edges in position and quantity one by one, and the radial adjusting piece acts on the outer side wall of the cutting frame corresponding to the fixed cutter edges, so that the clearance between the fixed cutter edge surface and the rotary cutter edge surface can be conveniently adjusted.
Compared with the prior art, the utility model outstanding advantage is:
1. the utility model adjusts the radial clearance between the cutting knife and the cutting frame by adjusting the position of the radial adjusting piece, the adjustment is simple and convenient and fast, and the problem that the user is stuck and difficult to adjust is solved;
2. the utility model discloses cutting frame and pump body clearance fit, the installation of the cutting frame of being convenient for, convenient assembling, production efficiency is high.
Description of the drawings:
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a perspective view of the pump body of the present invention;
fig. 3 is a perspective view of the impeller of the present invention;
fig. 4 is a perspective view of the cutting knife of the present invention;
fig. 5 is a first perspective view of the cutting frame of the present invention;
fig. 6 is a perspective view of the cutting frame of the present invention.
Reference numerals: 1. a rotating shaft; 2. an oil cylinder cover; 3. a pump body; 31. a circular boss; 311. a threaded through hole; 312. a groove; 3121. a threaded hole; 313. a planar boss; 4. an impeller; 41. an impeller boss; 411. a convex table surface; 5. a cutting knife; 51. rotating the knife edge surface; 52. an inner end face of the cutting knife; 6. a cutting frame; 61. fixing a knife edge; 611. fixing the knife edge surface; 62. a lug; 621. a through hole; 7. a radial adjustment member; 8. a threaded member.
The specific implementation mode is as follows:
the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 6:
the utility model provides a radial clearance adjustable cutting pump, includes that dive motor and suit are in pivot 1 of dive motor, the cover is equipped with the oil cylinder lid 2 in the pivot 1, is fixed with the pump body 3 on the oil cylinder lid 2, the oil cylinder lid 2 forms the pump chamber with the pump body 3, is equipped with fixed suit at the epaxial impeller 4 of pivot in the pump chamber, and impeller 4 below is equipped with fixed suit at the epaxial cutting knife 5 of pivot, the cover is equipped with clearance fit's cutting frame 6, its characterized in that between cutting knife 5 and the pump body 3: the side, away from the oil cylinder cover 2, of the pump body 3 is provided with an annular boss 31, the side wall of the annular boss 31 is uniformly provided with more than two threaded through holes 311 along the radial direction in a penetrating manner on the circumference, a radial adjusting piece 7 matched with the threads of the threaded through holes 311 penetrates through the threaded through holes 311, and the radial adjusting piece 7 acts on the outer side wall, opposite to the pump body 3, of the cutting frame 6; the end face of the cutting frame 6 is provided with more than two fixed knife edges 61 which are uniformly distributed on the circumference, and the fixed knife edges 61 are provided with fixed knife edge faces 611 which form a cutting function with the rotary knife edge face 51 of the cutting knife 5.
Preferably, the rotary cutting edge surface 51 is distributed uniformly in more than two circumferences.
Preferably, the outer end surface of the circular boss 31 is provided with grooves 312 uniformly distributed on the circumference, and threaded holes 3121 are arranged in the grooves 312; the circumference of the side surface of the cutting frame 6 is provided with lugs 62 corresponding to the shape, position and number of the grooves 312, and through holes 621 corresponding to the positions of the threaded holes 3121 are arranged in the lugs 62; a screw 8 screwed into the screw hole 3121 penetrates through the through hole 621.
Preferably, the clearance of the clearance fit between the pump body 3 and the cutting frame 6 is controlled within 0.05 mm.
Preferably, the outer side wall of the circular boss 31 is provided with a plane boss 313 penetrated by the threaded through hole 311, so that the contact surface between the radial adjusting piece 7 and the outer side of the circular boss 31 is a plane, and the radial adjusting piece 7 is better fastened.
Preferably, the radial adjusting member 7 and the screw member 8 are bolts or screws. In the present embodiment, the radial adjustment member 7 and the screw member 8 are bolts.
In order to make the fastening function of the screw member 8 more firm, the screw member 8 is sleeved with a washer.
The impeller 4 is provided with an impeller boss 41 and a boss surface 411 thereof, the cutting knife 5 is provided with a cutting knife inner end surface 52, and the cutting knife inner end surface 52 is abutted against the boss surface 411 to axially limit the cutting knife 5.
Meanwhile, in order to prevent the rotating shaft 1 from being wound with foreign matters and being stuck when rotating, and further leading to the overheating and burning out of the motor, the shaft end of the rotating shaft 1 is arranged in the cutting knife 5.
Meanwhile, for better cutting effect, the rotary cutting edge surface 51 is a spiral cutting edge surface.
The fixed knife edges 61 are all positioned on one side of the cutting frame 6 far away from the impeller 4.
The fixed knife edges 61 are respectively positioned at the upper side and the lower side of the cutting frame 6, more than two fixed knife edges 61 are arranged at each side of the cutting frame 6, and the fixed knife edges 61 positioned at the upper side of the cutting frame 6 and the fixed knife edges 61 positioned at the lower side of the cutting frame 6 are distributed at intervals.
In order to adjust the gap between the fixed blade edge surface 611 and the rotating blade edge surface 51 conveniently, the threaded through holes 311 and the fixed blade edges 61 are in one-to-one correspondence in position and number, and the radial adjusting piece 7 acts on the outer side wall of the cutting frame 6 corresponding to the fixed blade edges 61.
In the present embodiment, there are two rotary blade surfaces 51, the fixed blades 61 are respectively located at the upper and lower sides of the cutting frame 6, and there are two fixed blades 61 at each side of the cutting frame 6, the fixed blades 61 located at the upper side are distributed at 90 ° intervals from the fixed blades 61 located at the lower side of the cutting frame 6, there are four screw through holes 311 corresponding to the fixed blades 61 in position, there are four grooves 312, and the grooves 312 are distributed at 90 ° intervals from the screw through holes 311.
The utility model discloses a theory of operation:
the cutting knife 5 is fixedly arranged on the rotating shaft 1, the lug 62 of the cutting frame 6 is placed in the groove 312 of the pump body 3, and the thread part 8 is pre-tightened to screw the radial adjusting part 7. When the electric pump is operated, if the fixed cutting edge surface 611 and the rotary cutting edge surface 51 have the clamping stagnation phenomenon, the radial adjusting piece 7 is adjusted, so that the relative position of the cutting frame 6 and the cutting knife 5 is adjusted, namely, the gap between the fixed cutting edge surface 611 and the rotary cutting edge surface 51 is adjusted, and the clamping stagnation phenomenon is eliminated. After no clamping stagnation, the screw 8 is screwed down.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a radial clearance adjustable cutting pump, includes pivot (1) of dive motor and suit in the dive motor, the cover is equipped with oil cylinder lid (2) on pivot (1), is fixed with pump body (3) on oil cylinder lid (2), oil cylinder lid (2) and pump body (3) form the pump chamber, are equipped with impeller (4) of fixed suit on pivot (1) in the pump chamber, and impeller (4) below is equipped with fixed suit cutting knife (5) on pivot (1), the cover is equipped with clearance fit's cutting frame (6) between cutting knife (5) and the pump body (3), its characterized in that: a circular boss (31) is arranged on one side, away from the oil cylinder cover (2), of the pump body (3), more than two radial threaded through holes (311) are uniformly formed in the side wall of the circular boss (31) in a penetrating mode along the circumference of the side wall, a radial adjusting piece (7) matched with the threaded through holes (311) penetrates through the threaded through holes (311), and the radial adjusting piece (7) acts on the outer side wall, opposite to the pump body (3), of the cutting frame (6); the end face of the cutting frame (6) is provided with more than two fixed knife edges (61) which are uniformly distributed in the circumferential direction, and the fixed knife edges (61) are provided with fixed knife edge surfaces (611) which form a cutting function with the rotary knife edge surfaces (51) of the cutting knife (5).
2. A cutting pump with adjustable radial clearance according to claim 1, wherein: the outer end face of the circular boss (31) is provided with grooves (312) which are uniformly distributed on the circumference, and threaded holes (3121) are arranged in the grooves; the circumference of the side surface of the cutting frame (6) is provided with lugs (62) corresponding to the shapes, positions and numbers of the grooves (312), and through holes (621) corresponding to the positions of the threaded holes (3121) are arranged in the lugs (62); a screw (8) screwed in the threaded hole (3121) penetrates through the through hole (621).
3. A cutting pump with adjustable radial clearance according to claim 1, wherein: the clearance between the pump body (3) and the cutting frame (6) is controlled within 0.05 mm.
4. A cutting pump with adjustable radial clearance according to claim 1, wherein: and a plane boss (313) penetrated by the threaded through hole (311) is arranged on the outer side wall of the circular boss (31).
5. A cutting pump with adjustable radial clearance according to claim 1, wherein: the radial adjusting piece (7) is a bolt or a screw.
6. A cutting pump with adjustable radial clearance according to claim 1, wherein: the impeller (4) is provided with an impeller boss (41) and a boss surface (411) thereof, the cutting knife (5) is provided with a cutting knife inner end surface (52), and the cutting knife inner end surface (52) is propped against the boss surface (411).
7. A cutting pump with adjustable radial clearance according to claim 1, wherein: the shaft end of the rotating shaft (1) is arranged in the cutting knife (5).
8. A cutting pump with adjustable radial clearance according to claim 1, wherein: the fixed knife edges (61) are all positioned on one side of the cutting frame (6) far away from the impeller (4).
9. A cutting pump with adjustable radial clearance according to claim 1, wherein: the fixed knife edges (61) are respectively positioned at the upper side and the lower side of the cutting frame (6), more than two fixed knife edges (61) are arranged at each side of the cutting frame (6), and the fixed knife edges (61) positioned at the upper side of the cutting frame (6) and the fixed knife edges (61) positioned at the lower side of the cutting frame (6) are distributed at intervals.
10. A cutting pump with adjustable radial clearance according to any one of claims 1 to 9, characterized in that: the threaded through holes (311) correspond to the fixed knife edges (61) in position and number one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884833.3U CN210715160U (en) | 2019-11-04 | 2019-11-04 | Cutting pump with adjustable radial clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884833.3U CN210715160U (en) | 2019-11-04 | 2019-11-04 | Cutting pump with adjustable radial clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715160U true CN210715160U (en) | 2020-06-09 |
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ID=70932650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921884833.3U Active CN210715160U (en) | 2019-11-04 | 2019-11-04 | Cutting pump with adjustable radial clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518748A (en) * | 2021-06-24 | 2022-12-27 | 威乐欧洲股份公司 | Cutting ring for a pump for liquids loaded with solids |
| US20240109076A1 (en) * | 2022-10-04 | 2024-04-04 | Wilo Se | Cutting Ring For A Pump Liquid Loaded With Solids |
-
2019
- 2019-11-04 CN CN201921884833.3U patent/CN210715160U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518748A (en) * | 2021-06-24 | 2022-12-27 | 威乐欧洲股份公司 | Cutting ring for a pump for liquids loaded with solids |
| LU102840B1 (en) * | 2021-06-24 | 2022-12-27 | Wilo Se | Cutting ring for a pump liquid loaded with solids |
| EP4108935A1 (en) * | 2021-06-24 | 2022-12-28 | Wilo Se | Cutting ring for a pump for a liquid containing solids |
| US20240109076A1 (en) * | 2022-10-04 | 2024-04-04 | Wilo Se | Cutting Ring For A Pump Liquid Loaded With Solids |
| US12083527B2 (en) * | 2022-10-04 | 2024-09-10 | Wilo Se | Cutting ring for a pump liquid loaded with solids |
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