Small-sized integrated overflow back-filtering fish tank capable of conveniently changing water

Abstract

The utility model belongs to the technical field of fish tanks, and discloses a small-sized integrated overflow back filter fish tank convenient to change water, a lamp cover is arranged at the upper end of a tank body, the upper end of a back filter box is opened and is detachably connected to the back surface of the tank body, and a back filter box cover plate covers the upper end of the back filter box; a normally-closed water outlet channel and a normally-closed water inlet channel are formed in the back surface of the cylinder body; a normally-closed water inlet and a normally-closed water outlet are formed in the back filter box; a water pump for inputting water entering the back filter box from the normally closed water inlet into the normally closed water inlet channel through the normally closed water outlet is arranged in the back filter box; and a heating module for heating water is also arranged in the back filter box. According to the utility model, the water pump and the heating module are integrated in the back filter box, so that the effects of water exchange and heating between the back filter box and the tank body are realized, and unattractive appearance caused by stacking of equipment in the tank body can be avoided. The back filter box can be detached from the back face of the tank body, water in the back filter box is poured out, water changing operation is carried out, landscaping in the tank body cannot be damaged, and water changing is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of fish tanks, and in particular relates to a small integrated overflow back filter convenient water-changing fish tank. Background Art

[0002] At present, in order to reduce the trouble of changing water, small glass fish tanks will adopt the method of increasing filtration to maintain water quality and reduce the frequency of water changes. However, reducing the frequency of water changes does not mean never changing the water, and small fish tanks still have the problem of inconvenience in changing water.

[0003] The existing filtering methods are mainly external filters, integrated back filters or bottom filter barrels, but the stacking of equipment in the fish tank is not beautiful, and when changing water, there is still a need for additional equipment assistance. For example, there are currently two common ways to change water: one is to scoop the water away with a new container, which can hardly scoop away the dirt at the bottom; the other is to use a pipe to suck water out of the fish tank, which can easily wet and dirty your hands and the surrounding environment. In addition, existing small fish tanks still use the method of built-in heating equipment in the fish tank, which makes the fish tank abrupt and unsightly. Utility Model Content

[0004] The utility model aims to provide a small integrated overflow back filter convenient water-changing fish tank, so as to solve the above-mentioned problems existing in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A small integrated overflow back filter convenient water-changing fish tank comprises a tank body, a lamp cover, a back filter box and a back filter box cover plate, the lamp cover is mounted on the upper end of the tank body, the upper end of the back filter box is open and detachably connected to the back side of the tank body, and the back filter box cover plate covers the upper end of the back filter box; a normally closed water outlet channel and a normally closed water inlet channel which are both in a closed state when the back filter box is not installed are provided on the back side of the tank body, a normally closed water inlet and a normally closed water outlet are provided on the back filter box which are both in a closed state when the back filter box is not installed on the back side of the tank body, when the back filter box is mounted on the back side of the tank body, the normally closed water outlet channel is connected to the normally closed water inlet, and the normally closed water outlet is connected to the normally closed water inlet channel; a water pump is provided in the back filter box to input the water entering the back filter box from the normally closed water inlet into the normally closed water inlet channel through the normally closed water outlet; a heating module for heating water is also provided in the back filter box.

[0007] As a preferred technical solution in the utility model, the outlet of the normally closed water outlet channel and the inlet of the normally closed water inlet channel are both arranged upward, the normally closed water inlet and the normally closed water outlet are both arranged downward, and the outlet of the normally closed water outlet channel, the inlet of the normally closed water inlet channel, the normally closed water inlet and the normally closed water outlet are all provided with normally closed spring valves; when the normally closed spring valve at the outlet of the normally closed water outlet channel and the normally closed spring valve at the normally closed water inlet are connected to each other, the two normally closed spring valves are both opened and connected to each other; when the normally closed spring valve at the inlet of the normally closed water inlet channel and the normally closed spring valve at the normally closed water outlet are connected to each other, the two normally closed spring valves are both opened and connected to each other.

[0008] As a preferred technical solution in the utility model, the normally closed spring valve includes a valve body, a valve stem, a valve plug and a spring. A valve stem limit frame is fixed to one end of the valve body, one end of the valve stem slides through the valve stem limit frame, a water through hole is provided at the other end of the valve body, the other end of the valve stem passes through the water through hole to the outside of the valve body, a tapered hole section connected to the water through hole is provided in the valve stem, and the inner diameter of the tapered hole section gradually increases from one end connected to the water through hole to the other end; the valve plug is fixed on the valve stem, and the spring is installed at one end of the valve plug away from the water through hole, and the two ends of the spring are respectively connected to the valve plug and The valve stem limit frames are abutted against each other so that the valve plug blocks the tapered hole section; the normally closed spring valve installed at the outlet of the normally closed water outlet channel is the first normally closed spring valve, and the normally closed spring valve installed at the inlet of the normally closed water inlet channel is the second normally closed spring valve, and the water passing hole of the first normally closed spring valve and the water passing hole of the second normally closed spring valve are both located at their respective upper ends; the normally closed spring valve installed at the normally closed water inlet is the third normally closed spring valve, and the normally closed spring valve installed at the normally closed water outlet is the fourth normally closed spring valve, and the water passing hole of the third normally closed spring valve and the water passing hole of the fourth normally closed spring valve are both located at their respective lower ends.

[0009] As a preferred technical solution in the utility model, the water pump is connected to the normally closed water outlet through a water pipe.

[0010] As a preferred technical solution in the utility model, a glue groove is installed in the rear filter box, a pogopin female seat is installed in the glue groove, and the surface of the pogopin female seat is provided with a potting glue filling the glue groove; the water pump and the heating module are both electrically connected to the pogopin female seat, and a pogopin male seat is installed on the back of the lamp cover, and the pogopin male seat is electrically connected to the pogopin female seat.

[0011] As a preferred technical solution in the utility model, the space for accommodating water in the rear filter box is half of the space for accommodating water in the cylinder body.

[0012] Beneficial effect: The utility model improves the back filter box, integrates the water pump and the heating module into the back filter box, and designs it as a whole with the cylinder body, which is more integrated. It not only realizes the effect of water exchange and heating between the back filter box and the cylinder body, but also avoids the unsightly stacking of equipment in the cylinder body. In practice, the back filter box can be disassembled from the back of the cylinder body, and the water in the back filter box can be poured out after opening the back filter box cover. The water change operation will not damage the landscaping in the cylinder body, and the water change is convenient. After pouring out the sewage in the back filter box, fill a box of water to complete 1 / 3 of the water change, which is in line with the user's water change habits. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the utility model before the cylinder body and the rear filter box are assembled;

[0015] Figure 3 It is a rear cross-sectional view of the utility model;

[0016] Figure 4 It is a rear cross-sectional view of the cylinder body in the utility model;

[0017] Figure 5 It is a cross-sectional view of the normally closed spring valve in the utility model;

[0018] Figure 6 It is a schematic diagram of two normally closed spring valves docking with each other.

[0019] In the figure: 1-cylinder body; 11-normally closed water outlet channel; 12-normally closed water inlet channel; 2-lamp cover; 21-pogopin male seat; 3-back filter box; 31-normally closed water inlet; 32-normally closed water outlet; 33-water pump; 34-water pipe; 35-heating module; 36-glue groove; 37-pogopin female seat; 4-back filter box cover; 5-normally closed spring valve; 51-valve body; 52-valve stem; 53-valve plug; 54-spring. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the utility model will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation of the utility model.

[0021] Example:

[0022] like Figure 1-Figure 6 As shown, the present embodiment provides a small integrated overflow back filter convenient water-changing fish tank, comprising a tank body 1, a lamp cover 2, a back filter box 3 and a back filter box cover plate 4, the lamp cover 2 is mounted on the upper end of the tank body 1, the upper end of the back filter box 3 is open and detachably connected to the back of the tank body 1, the back filter box cover plate 4 covers the upper end of the back filter box 3, does not affect the overall appearance, and facilitates the loading and unloading of the back filter box 3; the back of the tank body 1 is provided with a normally closed water outlet channel 11 and a normally closed water inlet channel 12, which are both in a closed state when the back filter box 3 is not installed, and the back filter box 3 is provided with a normally closed water inlet 31 and a normally closed water outlet 32, which are both in a closed state when not installed on the back of the tank body 1, When the back filter box 3 is removed from the back of the cylinder body 1, the uncontrolled outflow of water in the back filter box 3 and the cylinder body 1 can be avoided. When the back filter box 3 is installed on the back of the cylinder body 1, the normally closed water outlet channel 11 is connected with the normally closed water inlet 31, and the normally closed water outlet 32 ​​is connected with the normally closed water inlet channel 12, which can ensure the normal circulation of water between the cylinder body 1 and the back filter box 3; the back filter box 3 is provided with a water pump 33 that inputs the water entering the back filter box 3 from the normally closed water inlet 31 into the normally closed water inlet channel 12 through the normally closed water outlet 32, so as to realize the flow of water; the back filter box 3 is also provided with a heating module 35 for heating the water, so as to realize the heating of the water.

[0023] The utility model improves the back filter box 3, integrates the water pump 33 and the heating module 35 into the back filter box 3, and designs it as a whole with the cylinder body 1, which has a stronger integrated type. It not only realizes the effect of water exchange and heating between the back filter box 3 and the cylinder body 1, but also avoids the unsightly stacking of equipment in the cylinder body 1. In practice, the back filter box 3 can be disassembled from the back of the cylinder body 1, and the water in the back filter box 3 can be poured out after opening the back filter box cover 4, and the water change operation can be performed without destroying the landscaping in the cylinder body 1. In addition, the water change is convenient. After pouring out the sewage in the back filter box 3, a full box of water is filled to complete the 1 / 3 water change, which meets the user's water change habits.

[0024] It should be noted that, preferably, a filter material is provided in the rear filter box 3 to absorb dirt in the water.

[0025] As a preferred implementation scheme in this embodiment, it needs to be further explained that the outlet of the normally closed water outlet channel 11 and the inlet of the normally closed water inlet channel 12 are both arranged upward, and the normally closed water inlet 31 and the normally closed water outlet 32 ​​are both arranged downward, so that the back filter box 3 can be lifted upward when disassembled, making the loading and unloading of the back filter box 3 easier, and the outlet of the normally closed water outlet channel 11, the inlet of the normally closed water inlet channel 12, the normally closed water inlet 31 and the normally closed water outlet 32 ​​are all provided with normally closed Spring valve 5; when the normally closed spring valve 5 at the outlet of the normally closed water outlet channel 11 is connected to the normally closed spring valve 5 at the normally closed water inlet 31, the two normally closed spring valves 5 are opened and connected to each other, ensuring that the water in the cylinder body 1 can enter the back filter box 3; when the normally closed spring valve 5 at the inlet of the normally closed water inlet channel 12 is connected to the normally closed spring valve 5 at the normally closed water outlet 32, the two normally closed spring valves 5 are opened and connected to each other, ensuring that the back filter box 3 can be transported to the cylinder body 1 again through the water pump 33.

[0026] As a preferred implementation scheme in this embodiment, it needs to be further explained that the normally closed spring valve 5 includes a valve body 51, a valve stem 52, a valve plug 53 and a spring 54. A valve stem limiting frame is fixed at one end of the valve body 51, and water can enter the valve body 51 from the gap of the valve stem limiting frame. One end of the valve stem 52 slides through the valve stem limiting frame to limit the valve stem 52, so that the valve stem 52 can only slide and adjust on the valve body 51. A water through hole is provided at the other end of the valve body 51, and the other end of the valve stem 52 passes through the water through hole to the outside of the valve body 51. A tapered hole section connected to the water through hole is provided in the valve stem 52, and the inner diameter of the tapered hole section gradually increases from one end connected to the water through hole to the other end; the valve plug 53 is fixed on the valve stem 52, and the spring 54 is installed at the end of the valve plug 53 away from the water through hole, and the two ends of the spring 54 are respectively The spring 54 is respectively in contact with the valve plug 53 and the valve stem limit frame so that the valve plug 53 blocks the tapered hole section. In the normally closed state, the spring 54 presses the valve plug 53 so that the valve plug 53 blocks the tapered hole section, realizes normally closed control, and prohibits the circulation of water; the normally closed spring valve 5 installed at the outlet of the normally closed water outlet channel 11 is the first normally closed spring valve, and the normally closed spring valve 5 installed at the inlet of the normally closed water inlet channel 12 is the second normally closed spring valve. The water passing hole of the first normally closed spring valve and the water passing hole of the second normally closed spring valve are both located at their respective upper ends; the normally closed spring valve 5 installed at the normally closed water inlet 31 is the third normally closed spring valve, and the normally closed spring valve 5 installed at the normally closed water outlet 32 ​​is the fourth normally closed spring valve. The water passing hole of the third normally closed spring valve and the water passing hole of the fourth normally closed spring valve are both located at their respective lower ends. When the two corresponding normally closed spring valves 5 are combined, as shown in FIG. Figure 6 As shown, the valve stems 52 at one end of the two normally closed spring valves 5 abut against each other, so that the valve stems 52 drive the valve plug 53 to slide toward one end of the valve body 51, thereby making the conical hole sections of the two normally closed spring valves 5 in a conducting state, thereby realizing the circulation of water.

[0027] As a preferred implementation scheme in this embodiment, it needs to be further explained that the water pump 33 is connected to the normally closed water outlet 32 ​​through the water pipe 34, and the water in the rear filter box 3 is pumped into the cylinder body 1 to achieve water circulation, which is simple and effective.

[0028] As a preferred implementation scheme in this embodiment, it needs to be further explained that a glue groove 36 is installed in the rear filter box 3, a pogopin female seat 37 is installed in the glue groove 36, and the surface of the pogopin female seat 37 is provided with a potting glue filling the glue groove 36; the water pump 33 and the heating module 35 are both electrically connected to the pogopin female seat 37, and a pogopin male seat 21 is installed on the back of the lamp cover 2, and the pogopin male seat 21 is electrically connected to the pogopin female seat 37, so as to realize the conductive control of the water pump 33 and the heating module 35.

[0029] As a preferred technical solution in the utility model, the water storage space in the rear filter box 3 is half of the water storage space in the cylinder body 1. Each time the water is changed, 1 / 3 of the total water body can be replaced, which is in line with the user's habit of changing water.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A small integrated overflow back filter convenient water change fish tank, characterized in that: The invention comprises a cylinder body (1), a lamp cover (2), a rear filter box (3) and a rear filter box cover plate (4); the lamp cover (2) is mounted on the upper end of the cylinder body (1); the upper end of the rear filter box (3) is open and detachably connected to the back of the cylinder body (1); the rear filter box cover plate (4) covers the upper end of the rear filter box (3); the rear end of the cylinder body (1) is provided with a normally closed water outlet channel (11) and a normally closed water inlet channel (12) which are both in a closed state when the rear filter box (3) is not installed; the rear filter box (3) is provided with a normally closed water outlet channel (11) and a normally closed water inlet channel (12) which are both in a closed state when the rear filter box (3) is not installed on the back of the cylinder body (1); A normally closed water inlet (31) and a normally closed water outlet (32) are provided in the back filter box (3). When the back filter box (3) is installed on the back side of the cylinder body (1), the normally closed water outlet channel (11) is connected to the normally closed water inlet (31), and the normally closed water outlet (32) is connected to the normally closed water inlet channel (12); a water pump (33) is provided in the back filter box (3) for inputting water entering the back filter box (3) from the normally closed water inlet (31) into the normally closed water inlet channel (12) through the normally closed water outlet (32); and a heating module (35) for heating water is also provided in the back filter box (3).

2. A small integrated overflow back filter convenient water-changing fish tank according to claim 1, characterized in that: The outlet of the normally closed water outlet channel (11) and the inlet of the normally closed water inlet channel (12) are both arranged upward, and the normally closed water inlet (31) and the normally closed water outlet (32) are both arranged downward, and the outlet of the normally closed water outlet channel (11), the inlet of the normally closed water inlet channel (12), the normally closed water inlet (31) and the normally closed water outlet (32) are all provided with normally closed spring valves (5); when the normally closed spring valve (5) at the outlet of the normally closed water outlet channel (11) and the normally closed spring valve (5) at the normally closed water inlet (31) are connected to each other, the two normally closed spring valves (5) are both opened and connected to each other; when the normally closed spring valve (5) at the inlet of the normally closed water inlet channel (12) and the normally closed spring valve (5) at the normally closed water outlet (32) are connected to each other, the two normally closed spring valves (5) are both opened and connected to each other.

3. A small integrated overflow back filter convenient water-changing fish tank according to claim 2, characterized in that: The normally closed spring valve (5) comprises a valve body (51), a valve stem (52), a valve plug (53) and a spring (54); a valve stem limiting frame is fixed to one end of the valve body (51); one end of the valve stem (52) slides through the valve stem limiting frame; a water through hole is provided at the other end of the valve body (51); the other end of the valve stem (52) passes through the water through hole to the outside of the valve body (51); a conical hole section connected to the water through hole is provided in the valve stem (52); the inner diameter of the conical hole section gradually increases from one end connected to the water through hole to the other end; the valve plug (53) is fixed to the valve stem (52); the spring (54) is installed at one end of the valve plug (53) away from the water through hole; the two ends of the spring (54) are respectively The valve plug (53) and the valve stem limit frame are respectively abutted against each other so that the valve plug (53) blocks the tapered hole section; the normally closed spring valve (5) installed at the outlet of the normally closed water outlet channel (11) is a first normally closed spring valve, and the normally closed spring valve (5) installed at the inlet of the normally closed water inlet channel (12) is a second normally closed spring valve, and the water passage hole of the first normally closed spring valve and the water passage hole of the second normally closed spring valve are both located at their respective upper ends; the normally closed spring valve (5) installed at the normally closed water inlet (31) is a third normally closed spring valve, and the normally closed spring valve (5) installed at the normally closed water outlet (32) is a fourth normally closed spring valve, and the water passage hole of the third normally closed spring valve and the water passage hole of the fourth normally closed spring valve are both located at their respective lower ends.

4. A small integrated overflow back filter convenient water-changing fish tank according to claim 1, characterized in that: The water pump (33) is connected to the normally closed water outlet (32) through a water pipe (34).

5. A small integrated overflow back filter convenient water-changing fish tank according to claim 1, characterized in that: The rear filter box (3) is provided with a glue groove (36), a pogopin female seat (37) is provided in the glue groove (36), and a potting glue filling the glue groove (36) is provided on the surface of the pogopin female seat (37); the water pump (33) and the heating module (35) are both electrically connected to the pogopin female seat (37), and a pogopin male seat (21) is installed on the back of the lamp cover (2), and the pogopin male seat (21) is electrically connected to the pogopin female seat (37).

6. A small integrated overflow back filter convenient water-changing fish tank according to claim 1, characterized in that: The space for accommodating water in the rear filter box (3) is half of the space for accommodating water in the cylinder body (1).

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