CN214887768U - Safe and reliable's cutting pump - Google Patents

Abstract

The utility model belongs to the technical field of the cutting pump, refer in particular to a safe and reliable cutting pump, including the inside pump body that has the pump chamber, locate the motor on pump body upper portion and by motor drive's pivot, the lower extreme of pivot stretches into to the pump chamber, the cover is equipped with the impeller in the pivot of pump intracavity, be equipped with water inlet and delivery port on the pump body, water inlet department is equipped with fixed blade disc and locates fixed blade disc inboard and fix the epaxial rotary blade of changeing, fixed blade disc forms cutting function with the rotary blade cooperation, water inlet below cover is equipped with fixes the protection base on the pump body, protection base side is equipped with the inlet opening. The utility model discloses be equipped with protective structure, effectively prevent that operator's finger from touch cutting blade, effective protection operator, safe and reliable.

Description

Safe and reliable's cutting pump

The technical field is as follows:

the utility model belongs to the technical field of the cutting pump, refer in particular to a safe and reliable's cutting pump.

Background art:

the cutting pump is one kind of sewage draining water pump with cutting blade capable of cutting fiber, aquatic weed, tree branch and other sundries easily. In the use process, if the fingers of an operator touch the cutting blade, the fingers are easily cut and unsafe.

The invention content is as follows:

the utility model aims at providing a safe and reliable's cutting pump, it is equipped with protective structure, effectively prevents that operator's finger from touchhing cutting blade, effectively protects operator, safe and reliable.

The utility model discloses a realize like this:

the utility model provides a safe and reliable's cutting pump, includes the inside pump body that has the pump chamber, locate pump body upper portion the motor and by motor drive's pivot, the lower extreme of pivot stretches into to the pump chamber, the cover is equipped with the impeller in the pivot of pump intracavity, be equipped with water inlet and delivery port on the pump body, water inlet department is equipped with fixed blade disc and locates fixed blade disc inboard and fix the in-rotation epaxial rotating blade, fixed blade disc forms cutting function with the rotating blade cooperation, the cover of water inlet below is equipped with fixes the protection base on the pump body, protection base side is equipped with the inlet opening.

In foretell safe and reliable's cutting pump, protection base is including fixing both ends open-ended protection casing and shutoff protection casing lower extreme open-ended protection bottom plate on the pump body, the inlet opening sets up on the side of protection casing.

In the above-described safety and reliability cutting pump, the rotary blade is fixed radially to the impeller by a pin.

In the above-mentioned safe and reliable cutting pump, the impeller is driven to rotate by the rotating shaft through the flat key. The fixed cutter head is fixed on the pump body through screws, the rotary blade is fixed on the rotating shaft through screws, the protective cover is fixed on the pump body through screws, and the protective bottom plate is fixed on the protective cover through screws.

In the safe and reliable cutting pump, the impeller comprises a hub sleeved on the rotating shaft and a blade, the inner end of the blade is connected with the hub to form a spiral shape, and the height of the hub is equal to that of the blade.

In the above-mentioned safe and reliable cutting pump, the number of the blades is two, and the impeller is a semi-open type double-blade impeller.

In foretell safe and reliable's cutting pump, be equipped with rotatory cutting edge on the rotatory blade, be equipped with the inhalant canal on the fixed blade disc, inhalant canal's export edge is equipped with fixed cutting edge, rotatory cutting edge is located inhalant canal's exit and forms cutting function with fixed cutting edge.

In foretell safe and reliable's cutting pump, rotatory cutting edge circumference equipartition has two, inhalant canal circumference equipartition has three, fixed cutting edge is provided with threely.

In the above-mentioned safety and reliability cutting pump, the fixed blade is formed in a wave shape.

Compared with the prior art, the utility model outstanding advantage is:

1. the protective base arranged below the water inlet of the utility model forms a protective structure, effectively prevents the fingers of the operator from touching the cutting blade, effectively protects the operator, and is safe and reliable; the rotary blade of the utility model is internally arranged, so that an operator can be further protected;

2. the utility model discloses a rotary blade sets up in fixed blade disc, can let slight hard strip such as packing area, pasture and water cut through fixed blade disc direction, has effectively solved the problem that rotary blade is external and can not cut Microsoft rectangular article;

3. the utility model discloses the inner is connected with wheel hub in the blade, wheel hub's height equals with the height of blade, effectively avoids cutting the thing winding on the blade and between blade and the wheel hub, effectively solves the problem that the impeller was blockked up by the cutting thing.

Description of the drawings:

fig. 1 is a partial cross-sectional view of the present invention;

fig. 2 is a perspective view 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 impeller and rotary blade of the present invention;

fig. 5 is a perspective view of the impeller, rotary blades and stationary cutter head of the present invention.

Reference numerals: 1. a pump body; 11. a pump chamber; 12. a water inlet; 13. a water outlet; 2. a motor; 3. a rotating shaft; 4. an impeller; 41. a hub; 42. a blade; 5. fixing a cutter head; 51. a water inlet channel; 52. fixing the cutting edge; 6. a rotary blade; 61. rotating the blade; 7. a protective base; 71. a water inlet hole; 72. a protective cover; 73. a protective base plate; 8. and a pin.

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 5:

the utility model provides a safe and reliable's cutting pump, includes the inside pump body 1 that has pump chamber 11, locate the motor 2 on the pump body 1 upper portion and by motor 2 driven pivot 3, the lower extreme of pivot 3 stretches into to pump chamber 11, the cover is equipped with impeller 4 on the pivot 3 in the pump chamber 11, be equipped with water inlet 12 and delivery port 13 on the pump body 1, water inlet 12 department is equipped with fixed blade disc 5 and locates fixed blade disc 5 inboard and fix the rotary blade 6 in pivot 3, fixed blade disc 5 forms cutting function with the cooperation of rotary blade 6, water inlet 12 below cover is equipped with fixes protection base 7 on the pump body 1, protection base 7 side is equipped with inlet opening 71. The protective base 7 arranged below the water inlet 12 of the utility model forms a protective structure, effectively prevents the fingers of the operator from touching the cutting blade, effectively protects the operator, and is safe and reliable; the utility model discloses a rotating blade 6 sets up in fixed blade disc 5, can let the strip of little hardness such as baling band, pasture and water cut through the direction of fixed blade disc 5, has effectively solved rotating blade externally and can not carry out the problem of cutting to the rectangular thing of microsoft.

The utility model discloses a theory of operation: as shown in fig. 1, the motor 2 drives the rotating shaft 3 to rotate, so as to drive the impeller 4 and the rotary blade 6 to rotate, and the rotary blade 6 and the fixed cutter head 5 are matched to form a cutting function, so as to cut sundries such as fibers, cloth strips, aquatic weeds, packing belts, branches and the like.

As shown in fig. 1 and 2, the structure of the protection base 7: the protective base 7 comprises a protective cover 72 fixed on the pump body 1 and provided with two open ends and a protective bottom plate 73 blocking the lower opening of the protective cover 72, and the water inlet hole 71 is arranged on the side surface of the protective cover 72.

Furthermore, the rotating shaft 3 drives the impeller 4 to rotate through a flat key. The fixed cutter head 5 is fixed on the pump body 1 through screws, the rotary blade 6 is fixed on the rotary shaft 3 through screws, the protective cover 72 is fixed on the pump body 1 through screws, and the protective base plate 73 is fixed on the protective cover 72 through screws. The protective cover 72 and the protective base plate 73 are of a split structure, and the protective cover 72 is convenient to mount.

In order to further bring the rotary blade 6 into rotation, preventing the rotary blade 6 from rotating due to the loosening of the screw, said rotary blade 6 is radially fixed to the impeller 4 by means of a pin 8, as shown in fig. 1.

As shown in fig. 3 to 5, the structure of the impeller 4 is shown: impeller 4 is connected with hub 41 including the cover establish hub 41 on pivot 3 and inner and is spiral helicine blade 42, hub 41's height equals with blade 42's height, effectively avoids the winding of cutting thing on blade 42 and between blade 42 and hub 41, effectively solves impeller 4 by the problem of cutting thing jam.

Preferably, the number of the vanes 42 is two, and the impeller is a semi-open type double-vane impeller.

As shown in fig. 4 and 5, the structure of the rotary blade 6 and the fixed cutter head 5: be equipped with rotatory cutting edge 61 on the rotating blade 6, be equipped with inlet channel 51 on the fixed blade disc 5, inlet channel 51's export edge is equipped with fixed cutting edge 52, rotatory cutting edge 61 is located inlet channel 51's exit and forms cutting function with fixed cutting edge 52, and the cutting effect is good.

Preferably, there are two rotating blades 61, three water inlet channels 51 and three fixed blades 52.

For better cutting effect, the fixed blade 52 is waved.

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 (7)

1. The utility model provides a safe and reliable's cutting pump, includes the inside pump body (1) that has pump chamber (11), locate motor (2) on the pump body (1) upper portion and by motor (2) driven pivot (3), the lower extreme of pivot (3) stretches into to pump chamber (11), the cover is equipped with impeller (4) on pivot (3) in pump chamber (11), be equipped with water inlet (12) and delivery port (13) on the pump body (1), its characterized in that: water inlet (12) department is equipped with fixed blade disc (5) and locates fixed blade disc (5) inboard and fix revolving blade (6) on pivot (3), fixed blade disc (5) and revolving blade (6) cooperation form cutting function, water inlet (12) below cover is equipped with and fixes protection base (7) on the pump body (1), protection base (7) side is equipped with inlet opening (71).

2. A safe and reliable cutting pump as claimed in claim 1, wherein: the protection base (7) comprises a protection cover (72) fixed on the pump body (1) and provided with openings at two ends and a protection bottom plate (73) used for blocking the lower end of the protection cover (72), and the water inlet hole (71) is formed in the side face of the protection cover (72).

3. A safe and reliable cutting pump as claimed in claim 1, wherein: the rotary blade (6) is radially fixed on the impeller (4) through a pin (8).

4. A safe and reliable cutting pump as claimed in claim 1, wherein: impeller (4) are connected with hub (41) including the hub (41) of cover setting on pivot (3) and inner and be spiral helicine blade (42), the height of hub (41) is equal with the height of blade (42).

5. A safe and reliable cutting pump as claimed in claim 1, wherein: be equipped with rotatory cutting edge (61) on rotary blade (6), be equipped with inhalant canal (51) on fixed blade disc (5), the exit edge of inhalant canal (51) is equipped with fixed cutting edge (52), rotatory cutting edge (61) are located the exit of inhalant canal (51) and form cutting function with fixed cutting edge (52).

6. A safe and reliable cutting pump as claimed in claim 5, characterized in that: rotatory cutting edge (61) circumference equipartition has two, inhalant canal (51) circumference equipartition has three, fixed cutting edge (52) are provided with threely.

7. A safe and reliable cutting pump as claimed in claim 5, characterized in that: the fixed blade (52) is wavy.

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