CN214677209U - Fish bowl and excrement collecting separator - Google Patents

Abstract

The utility model discloses a fish bowl fish just collects separator belongs to fish bowl accessory technical field. Comprises a base, a separator main pipe, a top cover, a filter screen cylinder, a fish excrement funnel, an excrement suction pipe, an excrement discharge pipe and a switching valve component; the excrement suction pipe and the excrement discharge pipe are arranged on the side face of the separator main pipe, the top end of the excrement suction pipe is communicated with the top cover, an excrement suction port is formed in the bottom end of the excrement suction pipe, the top end of the excrement discharge pipe is communicated with the top cover, and an excrement discharge port communicated with the base is formed in the bottom end of the excrement discharge pipe; and the top cover is provided with a switching valve assembly for switching the excrement suction pipe and the excrement discharge pipe to be communicated with the top cover respectively. Through the utility model discloses, be responsible for the side at the separator and set up excrement suction pipe and defecation pipe, excrement suction pipe is equipped with excrement suction port, excrement discharge pipe is equipped with the defecation mouth that communicates with the base, installs switching valve subassembly on the top cap, and the switching valve subassembly can inhale excrement discharge pipe, defecation discharge pipe through manual switching respectively with the top cap intercommunication, only need same water pump just can accomplish the collection and the separation of fish just, easy operation, convenient easy-to-use.

Description

Fish bowl and excrement collecting separator

Technical Field

The utility model relates to a fish bowl fish just collects separator belongs to fish bowl accessory technical field.

Background

The filtering system of the fish tank is the most concerned problem for current fish culture enthusiasts, and the concept of 'culturing fish first and then culturing water and filtering the water' is a consensus of the fish culture enthusiasts. A fish tank water filtering system with scientific design and high efficiency is the most relevant problem for fish culture lovers. The fish feces in the fish tank water is the main cause of pollution to the water quality of the fish tank, and the fish feces can be quickly and efficiently separated from the water in the fish tank and discharged, which is the most important premise for ensuring the water quality of the fish tank, so that the burden of biochemical filtration of the fish tank can be greatly reduced. Can make the biochemical filtration process water quality to achieve excellent and clear water quality in one cylinder.

The fish excrement separator is an instrument for filtering fish excrement in water in the fish tank, and can remove fish excrement, impurities and the like in the water body through the fish excrement separator, so that the cleanliness of the water body in the fish tank is guaranteed, the living environment of fish is maintained, and the normal survival of the fish is guaranteed.

Chinese patent application No. CN202021334085.4 discloses an inner separation multifunctional combined fish feces separator, which comprises a waterproof wire outlet assembly, a top cover assembly, a stainless steel wire filter screen, a top cover seat assembly, a transparent tube, a fish feces isolation cover, a base, a fish feces discharge port, a water inlet and a water outlet arranged at the top of the transparent tube, and a fish feces discharge port arranged on the base.

Although the fish excrement separator can realize separation treatment of fish excrement in the fish tank, a water pump is required to be installed independently at a water outlet and a fish excrement discharge port of the fish excrement separator in the using process, water absorption and excrement suction and excrement discharge treatment are respectively carried out, the use cost is increased by the design, a worker is required to respectively open and close the water suction pump and the excrement suction pump to achieve separation treatment of the fish excrement, the use process is complex, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a separator is just collected to fish bowl fish, can make absorb water and inhale and realize freely switching between just and the defecation, only need same water pump just can accomplish the collection and the separation of fish just, easy operation, convenient easy-to-use.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a fish bowl fish excrement collecting separator comprises a base, a separator main pipe, a top cover, a filter screen cylinder, a fish excrement funnel, an excrement suction pipe, an excrement discharge pipe and a switching valve assembly;

the bottom end of the separator main pipe is detachably mounted on the base, the bottom of the base is sealed, the top end of the separator main pipe is detachably mounted with the top cover, the top of the top cover is provided with an opening, the filter screen cylinder is arranged inside the separator main pipe, the top end of the filter screen cylinder is communicated with the top cover, and the bottom end of the filter screen cylinder is provided with the fish excrement funnel;

the excrement suction pipe is arranged on the side face of the separator main pipe, the top end of the excrement suction pipe is communicated with the top cover, and an excrement suction port is formed in the bottom end of the excrement suction pipe;

the excrement discharging pipe is also arranged on the side surface of the separator main pipe, the top end of the excrement discharging pipe is communicated with the top cover, and the bottom end of the excrement discharging pipe is provided with an excrement discharging port communicated with the base;

the top cover is provided with a switching valve assembly for switching the excrement suction pipe and the excrement discharge pipe to be communicated with the top cover respectively;

the switching valve subassembly includes a fixed valve seat and a rotary valve core, the fixed valve seat includes a fixed cylinder, the fixed cylinder bottom is equipped with down the valve clack, form trompil down between the opening of lower valve clack and top cap, valve clack center department is equipped with the fixed axle under the inner tube, the rotary valve core includes the urceolus and establishes the inner tube in the urceolus, it is sealed between urceolus top edge and the inner tube top edge, when the inner tube inserts fixed cylinder inside, the urceolus is fixed in the outside of fixed cylinder, the inner tube bottom is equipped with the valve clack, the inner tube side is equipped with the trompil, it is equipped with the mounting hole to go up valve clack center department, the inner tube passes through the mounting hole and is connected with the fixed axle rotation, go up the trompil respectively with lower trompil and inhale just mouth intercommunication, the opening and shutting between last valve clack and the lower trompil is controlled by the rotation of rotary valve core.

As a preferred example, a limiting groove is formed in the side surface of the outer cylinder of the rotary valve element, a limiting block is arranged on the outer wall of the fixed cylinder of the fixed valve seat, the limiting block is clamped in the limiting groove, an arc-shaped notch is further formed in the side surface of the outer cylinder of the rotary valve element, a butt joint pipe is arranged on the side surface of the fixed cylinder of the fixed valve seat, the butt joint pipe is communicated with the excrement suction port, and the butt joint pipe is limited in the arc-shaped notch.

As a preferable example, a notch allowing the limiting block to pass through is further formed in the side face of the outer cylinder of the rotary valve core, the notch is communicated with the edge of the bottom of the limiting groove, and arc-shaped protruding blocks used for limiting the limiting block to move are respectively arranged on two sides of the limiting groove.

As a preferable example, a water pump connecting seat communicated with the rotary valve core is further arranged in the inner cylinder of the rotary valve core, the water pump connecting seat is rotatably connected with the fixed shaft, and an adjusting valve clack is further arranged at the bottom of the water pump connecting seat.

As a preferable example, the bottom of the fixed cylinder is provided with two integrally-formed lower valve clacks, the bottom of the inner cylinder is provided with two integrally-formed upper valve clacks, the lower valve clacks, the upper valve clacks and the lower openings are all fan-shaped, and the size of the upper valve clacks is consistent with that of the lower openings.

Preferably, a shifting piece is further fixed on the side surface of the outer cylinder of the rotary valve core.

As a preferable example, the filter screen cylinder is made of stainless steel, and the separator main pipe, the excrement suction pipe and the excrement discharge pipe are all made of transparent acrylic materials.

As a preferable example, the bottom of the base is provided with a mounting groove with a flow guide hole, a support conduit is fixed between the fish excrement funnel and the mounting groove, the top end of the support conduit is communicated with the fish excrement funnel, and the bottom end of the support conduit is communicated with the flow guide hole of the mounting groove.

As a preferable example, the bottom surface of the base is inclined, and the excrement suction port of the excrement discharge pipe is arranged at the lowest part of the inclined bottom surface of the base.

As a preferable example, the bottom end of the excrement suction pipe is further provided with a water inlet connecting seat, the water inlet connecting seat comprises a connecting part inserted into the excrement suction pipe and a water inlet part communicated with the water body of the fish tank, the water inlet part is a cylindrical cover with an opening at the bottom, a plurality of water through grooves uniformly distributed on the circumference are arranged on the side wall of the cylindrical cover, and the connecting part and the water inlet part are connected into a whole.

The utility model has the advantages that:

(1) through the utility model, the side surface of the main pipe of the separator is provided with the excrement suction pipe and the excrement discharge pipe, the excrement suction pipe is provided with the excrement suction port, the excrement discharge pipe is provided with the excrement discharge port communicated with the base, the top cover is provided with the switching valve component, the switching valve component can be respectively communicated with the top cover by manually switching the excrement suction pipe and the excrement discharge pipe, the fish excrement collection and separation can be completed only by the same water pump, and the operation is simple, convenient and easy to use;

(2) through the utility model, the rotary valve core is provided with a limit groove, the fixed valve seat is provided with a limit block which is clamped in the limit groove, the rotary valve core is also provided with an arc notch, the fixed valve seat is provided with a butt joint pipe which is limited in the arc notch,

the limiting groove is matched with the limiting block, so that the rotating angle of the rotary valve core can be ensured, and the closing between the upper valve clack and the lower opening is accurately controlled;

(3) through the utility model, the side surface of the rotary valve core is also provided with a notch allowing the limiting block to pass through, the two sides of the limiting groove are respectively provided with the arc-shaped convex block, the notch can facilitate the disassembly between the rotary valve core and the fixed valve seat, the arc-shaped convex block can limit the limiting block, the rotary valve core can not rotate randomly, and the switching between defecation and water absorption is influenced;

(4) through the utility model, the inner cylinder of the rotary valve core is also provided with the water pump connecting seat, the bottom of the water pump connecting seat is also provided with the adjusting valve clack, and the adjusting valve clack controls the sizes of the upper hole and the lower hole, thereby adjusting the water absorption flow;

(5) through the utility model, the side surface of the outer cylinder of the rotary valve core is fixed with the shifting piece, which is convenient for operators to rotate the rotary valve core;

(6) through the utility model, the supporting conduit is fixed between the fish excrement funnel and the mounting groove, on one hand, the supporting conduit is used for supporting the fish excrement funnel to prevent the fish excrement funnel from shaking, so that the stability is improved, on the other hand, the supporting conduit can guide the water flow with the fish excrement, and the fish excrement is collected and guided into the base and the excrement discharge pipe;

(7) by adopting the utility model, the bottom surface of the base is designed to be inclined, the excrement suction port of the excrement discharge pipe is arranged at the lowest part of the inclined bottom surface of the base, and fish excrement entering the base can be collected to the excrement discharge port along the inclined surface, so that the fish excrement collecting effect is better and more efficient;

(8) through the utility model discloses, still install the connecting seat of intaking in excrement suction pipe bottom, the connecting seat of intaking is provided with the water trough of a plurality of circumference equipartitions, can inhale the excrement suction pipe with the fish just when in, avoids the little fish in the fish bowl to be inhaled.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

FIG. 2 is a right-side view of the whole structure of the present invention;

fig. 3 is a schematic view of the overall overhead structure of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention;

FIG. 5 is a schematic view of the overall three-dimensional splitting structure of the present invention;

fig. 6 is a schematic perspective view of the switching valve assembly of the present invention;

fig. 7 is a schematic perspective view of the top cover and the fixed valve seat of the present invention;

fig. 8 is a schematic view of a three-dimensional structure of the rotary valve element of the present invention;

fig. 9 is a schematic view of a three-dimensional structure of the rotary valve element of the present invention;

fig. 10 is a schematic perspective view of the base of the present invention;

fig. 11 is a schematic perspective view of the base of the present invention;

FIG. 12 is a schematic view of the open state between the rotary valve element and the stationary valve seat;

fig. 13 is a schematic view showing a state in which the rotary valve element and the fixed valve seat are closed.

In the figure: 1. a base; 101. a bottom surface; 102. mounting grooves; 103. a flow guide hole; 2. a separator main tube; 3. a top cover; 4. a filter screen cylinder; 5. a fish excrement funnel; 6. a defecation suction pipe; 601. a excrement sucking and pipe descending device; 602. a feces suction middle pipe; 603. a feces suction upper pipe; 604. a defecation suction port; 7. a defecation pipe; 701. discharging the excrement and lowering the pipe; 702. a defecation middle pipe; 703. a defecation upper pipe; 704. a defecation port; 8. a fixed valve seat; 801. a fixed cylinder; 802. a lower valve clack; 803. a lower opening is formed; 804. a fixed shaft; 805. butt-joint pipes; 9. rotating the valve core; 901. an outer cylinder; 902. an inner barrel; 903. an upper valve flap; 904. opening a hole on the upper part; 905. mounting holes; 906. a limiting groove; 907. a limiting block; 908. an arc-shaped notch; 909. a notch; 910. an arc-shaped bump; 911. a shifting sheet; 10. a water pump connecting seat; 1001. adjusting the valve clack; 11. a support conduit; 12. a water inlet connecting seat; 1201. a connecting portion; 1202. a water inlet part; 1203. a water trough.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings and embodiments.

Example (b):

as shown in fig. 1-5, the utility model provides a fish bowl and fish feces collection separator, which comprises a base 1, a separator main pipe 2, a top cover 3, a filter screen cylinder 4, a fish feces funnel 5, a feces suction pipe 6, a feces discharge pipe 7 and a switching valve component.

The separator is responsible for 2 bottoms demountable installation on base 1, and 1 bottom seal of base, separator are responsible for 2 tops demountable installation and have top cap 3, and 3 tops of top cap are equipped with the opening, and filter screen section of thick bamboo 4 sets up and is responsible for 2 inside and filter screen section of thick bamboos 4 top and top cap 3 intercommunication at the separator, and filter screen section of thick bamboo 4 bottoms are installed just funnel 5 of fish.

The excrement suction pipe 6 is arranged on the side surface of the separator main pipe 2, the top end of the excrement suction pipe 6 is communicated with the top cover 3, an excrement suction opening 604 is formed in the bottom end of the excrement suction pipe 6, and the excrement suction pipe 6 comprises an excrement suction lower pipe 601, an excrement suction middle pipe 602 and an excrement suction upper pipe 603.

The defecation pipe 7 is also arranged on the side surface of the separator main pipe 2, the top end of the defecation pipe 7 is communicated with the top cover 3, the bottom end of the defecation pipe 7 is provided with a defecation opening 704 communicated with the base 1, and the defecation pipe 7 comprises a defecation lower pipe 701, a defecation middle pipe 702 and a defecation upper pipe 703.

The top cover 3 is provided with a switching valve component for switching the communication between the excrement suction pipe 6 and the excrement discharge pipe 7 and the top cover 3 respectively.

As shown in fig. 6 to 9, the switching valve assembly comprises a fixed valve seat 8 and a rotary valve element 9, the fixed valve seat 8 comprises a fixed cylinder 801, a lower valve flap 802 is arranged at the bottom of the fixed cylinder 801, a lower opening 803 is formed between the lower valve flap 802 and the opening of the top cover 3, a fixed shaft 804 is arranged at the center of the lower valve flap 802 of the inner cylinder 902, the rotary valve element 9 comprises an outer cylinder 901 and an inner cylinder 902 arranged in the outer cylinder 901, the top edge of the outer cylinder 901 and the top edge of the inner cylinder 902 are sealed, the inner cylinder 902 is inserted into the fixed cylinder 801, the outer cylinder 901 is fixed outside the fixed cylinder 801, an upper valve flap 903 is arranged at the bottom of the inner cylinder 902, an upper opening 904 is arranged at the side of the inner cylinder 902, a mounting hole 905 is arranged at the center of the upper valve flap 903, the inner cylinder 902 is rotatably connected with the fixed shaft 804 through the mounting hole 905, the upper opening 904 is respectively communicated with the lower opening 803 and the excrement suction port 604, the opening and closing between the upper valve flap 903 and the lower opening 803 are controlled by the rotation of the rotary valve element 9, the bottom of the fixed cylinder 801 is provided with two integrally formed lower valve flaps 802, the bottom of the inner cylinder 902 is provided with two integrally formed upper valve flaps 903, the lower valve flaps 802, the upper valve flaps 903 and the lower opening 803 are all fan-shaped, and the size of the upper valve flaps 903 is consistent with that of the lower opening 803.

The switching valve component can be respectively communicated with the top cover 3 through manually switching the excrement suction pipe 6 and the excrement discharge pipe 7, the collection and separation of fish excrement can be completed only by the aid of the same water pump, and the switching valve component is simple in operation and convenient and easy to use.

The side of the outer cylinder 901 of the rotary valve core 9 is provided with a limiting groove 906, the outer wall of the fixed cylinder 801 of the fixed valve seat 8 is provided with a limiting block 907, the limiting block 907 is clamped in the limiting groove 906, the side of the outer cylinder 901 of the rotary valve core 9 is further provided with an arc-shaped notch 908, the side of the fixed cylinder 801 of the fixed valve seat 8 is provided with a butt joint pipe 805, the butt joint pipe 805 is communicated with the excrement suction port 604, the butt joint pipe 805 is limited in the arc-shaped notch 908, the rotating angle of the rotary valve core 9 can be guaranteed, and the closing between the upper valve clack 903 and the lower opening 803 can be accurately controlled.

The side surface of the outer cylinder 901 of the rotary valve core 9 is further provided with a notch 909 allowing the limiting block 907 to pass through, the notch 909 is communicated with the bottom edge of the limiting groove 906, the two sides of the limiting groove 906 are respectively provided with an arc-shaped bump 910 used for limiting the limiting block 907 to move, the notch 909 can facilitate the detachment between the rotary valve core 9 and the fixed valve seat 8, the arc-shaped bump 910 can limit the limiting block 907, and it is ensured that the rotary valve core 9 cannot rotate randomly, and the switching between defecation and water absorption is affected.

Still be equipped with the water pump connecting seat 10 with rotatory case 9 intercommunication in the inner tube 902 of rotatory case 9, rotate between water pump connecting seat 10 and the fixed axle 804 and be connected, water pump connecting seat 10 bottom still is equipped with the regulation valve clack 1001, and the size of last trompil 904 and under-opening 803 is controlled to the regulation flow size that absorbs water to regulation.

A shifting piece 911 is further fixed on the side surface of the outer cylinder 901 of the rotary valve core 9, so that an operator can conveniently rotate the rotary valve core 9.

A stainless steel filter screen cylinder 4 is adopted in the filter screen cylinder 4, and the separator is responsible for 2, inhale just pipe 6 and arrange just pipe 7 and all adopt transparent ya keli material and make, and transparent ya keli material makes things convenient for the staff to observe the inside suction condition of separator.

As shown in fig. 10-11, the bottom of the base 1 is provided with a mounting groove 102 having a flow guiding hole 103, a supporting conduit 11 is fixed between the fish excrement funnel 5 and the mounting groove 102, the top end of the supporting conduit 11 is communicated with the fish excrement funnel 5, the bottom end of the supporting conduit is communicated with the flow guiding hole 103 of the mounting groove 102, the supporting conduit 11 is used for supporting the fish excrement funnel 5 to prevent the fish excrement funnel 5 from shaking and increase stability, and on the other hand, the supporting conduit 11 can guide the flow of water with fish excrement to collect the fish excrement into the base 1 and the excrement discharging pipe 7.

The bottom surface 101 of the base 1 is inclined, the excrement suction port 604 of the excrement discharge pipe 7 is arranged at the lowest position of the inclined bottom surface 101 of the base 1, the bottom surface 101 of the base 1 is designed to be inclined, the excrement suction port 604 of the excrement discharge pipe 7 is arranged at the lowest position of the inclined bottom surface 101 of the base 1, fish can enter the base 1 and can be collected to the excrement discharge port 704 along the inclined surface, and the fish excrement collecting effect is better and more efficient.

Inhale the connecting seat 12 of intaking still installed to excrement pipe 6 bottom, the connecting seat 12 of intaking includes the connecting portion 1201 that is linked together with the fish bowl water with excrement pipe 6 grafting of intaking 1202, the portion 1202 of intaking is the cylindrical cover of bottom opening, and be provided with the water trough 1203 of a plurality of circumference equipartitions on this cylindrical cover's the lateral wall, connecting portion 1201 links as an organic whole with the portion 1202 of intaking, the connecting seat 12 of intaking is still installed to excrement pipe 6 bottom, the connecting seat 12 of intaking is provided with the water trough 1203 of a plurality of circumference equipartitions, when can inhale excrement pipe 6 with the fish excrement, avoid the fish in the fish bowl to be inhaled.

The working principle is as follows:

the utility model discloses just separator of fish is installed in the fish bowl, installs the water pump on the water pump connecting seat 10, exposes the fish bowl surface of water, when just needing to clear up the fish in the fish bowl:

(1) the worker rotates the rotary valve core 9 until the limit block 907 is clamped and fixed by the arc-shaped bump 910, the upper valve flap 903 of the rotary valve core 9 is aligned with the lower valve flap 802 of the fixed valve seat 8, the upper opening 904 is aligned with the lower opening 803, the adjusting valve flap 1001 on the water pump connecting seat 10 is adjusted to a proper position, at this time, the upper opening 904 and the lower opening 803 are communicated with the separator main pipe 2, the excrement suction pipe 6 and the excrement suction opening 604, the pipe orifice above the excrement discharge pipe 7 is blocked by the inner cylinder 902 of the rotary valve core 9, as shown in fig. 12, the water pump is started, under the suction action of the water pump, the fish excrement is sucked together with the water in the fish tank, the sucked water flow mixed with the fish excrement enters the filter screen cylinder 4, the fish excrement sinks under the action of gravity, and is discharged to the bottom of the base 1 through the fish excrement funnel 5, the support conduit 11 and the flow guide hole 103, and simultaneously the water pump discharges the filtered clean water into the fish tank again, the more fish in the base 1 are accumulated;

(2) when more fish feces are accumulated and the fish feces in the base 1 need to be cleaned, a worker rotates the rotary valve core 9 in the opposite direction until the limiting block 907 is clamped and fixed by the arc-shaped bump 910, the upper valve flap 903 of the rotary valve core 9 is aligned with the lower opening 803 of the fixed valve seat 8, the upper opening 904 is aligned with the lower valve flap 802, at the moment, the defecation pipe 7 is communicated with the base 1, a pipe orifice above the defecation pipe 7 is communicated with the butt joint pipe 805 and the upper opening 904 of the inner cylinder 902, as shown in fig. 13, the water pump is started, under the suction action of the water pump, the fish feces accumulated in the base 1 enter the defecation pipe 7 from the defecation opening 704 and pass through the inner cylinder 902, and finally, the fish feces mixed cylinder water is discharged from a water blowing opening of the water pump to the outside of the fish tank for further processing.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A fish bowl fish excrement collecting separator is characterized by comprising a base (1), a separator main pipe (2), a top cover (3), a filter screen cylinder (4), a fish excrement funnel (5), an excrement suction pipe (6), an excrement discharge pipe (7) and a switching valve assembly;

the bottom end of the separator main pipe (2) is detachably mounted on the base (1), the bottom of the base (1) is sealed, the top end of the separator main pipe (2) is detachably mounted with the top cover (3), the top of the top cover (3) is provided with an opening, the filter screen cylinder (4) is arranged inside the separator main pipe (2), the top end of the filter screen cylinder (4) is communicated with the top cover (3), and the bottom end of the filter screen cylinder (4) is provided with the fish excrement funnel (5);

the excrement suction pipe (6) is arranged on the side face of the separator main pipe (2), the top end of the excrement suction pipe (6) is communicated with the top cover (3), and an excrement suction opening (604) is formed in the bottom end of the excrement suction pipe (6);

the defecation pipe (7) is also arranged on the side surface of the separator main pipe (2), the top end of the defecation pipe (7) is communicated with the top cover (3), and the bottom end of the defecation pipe (7) is provided with a defecation opening (704) communicated with the base (1);

the top cover (3) is provided with a switching valve component for switching the excrement suction pipe (6) and the excrement discharge pipe (7) to be communicated with the top cover (3) respectively;

the switching valve component comprises a fixed valve seat (8) and a rotary valve core (9), the fixed valve seat (8) comprises a fixed cylinder (801), a lower valve clack (802) is arranged at the bottom of the fixed cylinder (801), a lower opening hole (803) is formed between the lower valve clack (802) and an opening of a top cover (3), a fixed shaft (804) is arranged at the center of the lower valve clack (802) of an inner cylinder (902), the rotary valve core (9) comprises an outer cylinder (901) and an inner cylinder (902) arranged in the outer cylinder (901), the top end edge of the outer cylinder (901) and the top end edge of the inner cylinder (902) are sealed, the inner cylinder (902) is inserted into the fixed cylinder (801), the outer cylinder (901) is fixed outside the fixed cylinder (801), an upper valve clack (903) is arranged at the bottom of the inner cylinder (902), an upper opening hole (904) is arranged on the side surface of the inner cylinder (902), an installation hole (905) is arranged at the center of the upper valve clack (903), the inner cylinder (902) is rotatably connected with the fixed cylinder (804) through the installation hole (905), the upper opening (904) is respectively communicated with the lower opening (803) and the excrement suction port (604), and the opening and closing between the upper valve clack (903) and the lower opening (803) are controlled by the rotation of the rotary valve core (9).

2. The fish bowl and fish feces collecting and separating device as claimed in claim 1, wherein a limiting groove (906) is formed in a side surface of an outer cylinder (901) of the rotary valve core (9), a limiting block (907) is formed in an outer wall of a fixed cylinder (801) of the fixed valve seat (8), the limiting block (907) is clamped in the limiting groove (906), an arc-shaped notch (908) is further formed in the side surface of the outer cylinder (901) of the rotary valve core (9), a butt joint pipe (805) is formed in a side surface of the fixed cylinder (801) of the fixed valve seat (8), the butt joint pipe (805) is communicated with the feces suction port (604), and the butt joint pipe (805) is limited in the arc-shaped notch (908).

3. The fish bowl and fish feces collecting and separating device as claimed in claim 2, wherein a notch (909) allowing a limiting block (907) to pass through is further formed in the side surface of the outer cylinder (901) of the rotary valve core (9), the notch (909) is communicated with the bottom edge of the limiting groove (906), and arc-shaped protrusions (910) used for limiting the limiting block (907) to move are respectively formed on two sides of the limiting groove (906).

4. The fish bowl and fish excrement collecting and separating device as claimed in claim 1, wherein a water pump connecting seat (10) communicated with the rotary valve core (9) is further arranged in an inner cylinder (902) of the rotary valve core (9), the water pump connecting seat (10) is rotatably connected with a fixed shaft (804), and an adjusting valve clack (1001) is further arranged at the bottom of the water pump connecting seat (10).

5. A fish bowl and excrement collecting and separating device as claimed in claim 1, wherein two integrally formed lower valve flaps (802) are arranged at the bottom of the fixed cylinder (801), two integrally formed upper valve flaps (903) are arranged at the bottom of the inner cylinder (902), the lower valve flaps (802), the upper valve flaps (903) and the lower opening (803) are all fan-shaped, and the size of the upper valve flaps (903) is consistent with that of the lower opening (803).

6. A fish bowl and excrement collecting and separating device as claimed in claim 1, wherein a shifting piece (911) is further fixed on the side surface of the outer cylinder (901) of the rotary valve core (9).

7. The fish bowl and excrement collecting and separating device as claimed in claim 1, wherein said filtering net cylinder (4) is made of stainless steel filtering net cylinder (4), and said separator main tube (2), excrement suction tube (6) and excrement discharge tube (7) are made of transparent acrylic material.

8. A fish bowl and fish excrement collecting and separating device as claimed in claim 1, wherein a mounting groove (102) with a flow guide hole (103) is formed at the bottom of the base (1), a supporting conduit (11) is fixed between the fish excrement funnel (5) and the mounting groove (102), the top end of the supporting conduit (11) is communicated with the fish excrement funnel (5), and the bottom end of the supporting conduit is communicated with the flow guide hole (103) of the mounting groove (102).

9. A fish bowl and fish excrement collecting and separating device as claimed in claim 1, wherein the bottom surface (101) of the base (1) is inclined, and the excrement suction port (604) of the excrement discharge pipe (7) is formed at the lowest position of the inclined bottom surface (101) of the base (1).

10. The fish bowl and fish feces collecting and separating device of claim 1, wherein a water inlet connecting seat (12) is further mounted at the bottom end of the feces suction pipe (6), the water inlet connecting seat (12) comprises a connecting part (1201) inserted into the feces suction pipe (6) and a water inlet part (1202) communicated with a water body of the fish bowl, the water inlet part (1202) is a cylindrical cover with an opening at the bottom, a plurality of water through grooves (1203) are uniformly distributed on the side wall of the cylindrical cover, and the connecting part (1201) and the water inlet part (1202) are connected into a whole.

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