Water pump of pet water dispenser

Abstract

The water pump of the pet water dispenser comprises a machine box, a front cover, a pump shell, an impeller, an impeller cover, a driving device and an electric control assembly, the front cover is detachably installed on one side of the machine box, the pump shell is fixedly arranged in the machine box, the impeller is installed in an inner cavity of the pump shell, and the driving device and the electric control assembly are both installed in the machine box and located on the outer side of the pump shell. The driving device is in transmission connection with the impeller and drives the impeller to rotate, the electric control assembly is electrically connected with the driving device, the impeller cover is detachably arranged in the front cover through a connecting piece, a water outlet pipe communicated with the pump shell is arranged on the machine box, and the connecting piece comprises an imbedding groove formed in the front cover and a connecting convex body formed on the back of the impeller cover. According to the pet water dispenser, the impeller cover can be detachably arranged in the front cover through the connecting piece, the wedge-shaped buckling lugs of the impeller cover can be directly connected with the buckling grooves of the front cover in a clamped mode, the complex technology of glue bonding is replaced, the water pump can be rapidly disassembled and assembled, and follow-up maintenance and cleaning of the pet water dispenser are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of pet equipment, and more specifically to a water pump for a pet drinking fountain. Background Art

[0002] A pet drinking fountain is an automatic water feeding device for providing water to pets, and is particularly suitable for providing water to pets such as cats and dogs. A pet drinking fountain usually includes a water storage tank, a water pump, a water filter tray, a water drinking tray, etc. The water in the water tank is pumped out to the drinking trough by a water pump for the pet to drink. However, the water pump of an existing pet drinking fountain requires a lot of time to assemble during the production process. During assembly, the impeller cover of the water pump is generally glued and fixed, which has a slow assembly speed, low efficiency, and high cost. In addition, since the rotor rotates at high speed for a long time in water conditions, it is very easy for the surface of the rotor to be covered with scale. After assembly, the structure of the water pump of the drinking fountain is relatively fixed, and subsequent disassembly, assembly, maintenance and cleaning cannot be achieved. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a pet water dispenser water pump that can realize quick disassembly and assembly, facilitates its subsequent maintenance and cleaning, improves production efficiency, does not require the use of glue, and saves costs.

[0004] To achieve the above-mentioned purpose, the utility model provides a pet drinking fountain water pump, including a chassis, a front cover, a pump casing, an impeller rotor, an impeller cover, a driving device and an electronic control component, wherein the front cover is detachably mounted on one side of the chassis, the pump casing is fixedly arranged inside the chassis, the impeller rotor is mounted in the inner cavity of the pump casing, the driving device and the electronic control component are both mounted in the chassis and located on the outside of the pump casing, the driving device is transmission-connected to the impeller rotor and drives it to rotate, the electronic control component is electrically connected to the driving device, the impeller cover is cooperatively mounted on the pump casing, and a connecting An outlet pipe passes through the pump casing, and the impeller cover is detachably arranged inside the front cover through a connecting piece, and the connecting piece includes an insertion groove formed on the front cover and a connecting protrusion formed on the back of the impeller cover, a partition filter plate is arranged in the front cover, and the insertion groove is formed on a side of the partition filter plate close to the chassis, and buckle grooves are respectively recessed on the inner walls on both sides of the insertion groove, and wedge-shaped buckle ears corresponding to the two buckle grooves are respectively protruded on the outer walls on both sides of the connecting protrusion, a first water inlet channel is opened at the bottom of the connecting protrusion, and a water inlet connected to the first water inlet channel is opened on the impeller cover.

[0005] Preferably, a lifting ear is provided on one side of the outer wall edge of the impeller cover, and the lifting ear has an L-shaped structure.

[0006] Preferably, a plurality of snap-in ridges are evenly arranged around the inner wall edge of the front cover close to the chassis, a flange portion is provided on the side of the chassis close to the front cover, and a snap-in groove corresponding to each snap-in ridge is arranged around the outer wall edge of the flange portion. The flange portion can extend into the front cover and make its snap-in groove cooperate with the snap-in ridge to achieve a detachable connection between the chassis and the front cover.

[0007] Preferably, the front cover is configured as a structure with an open end and a hollow interior, a water inlet grille is provided on the front cover, the partition filter plate divides the interior of the front cover into a water inlet chamber and a water filter chamber, a plurality of water filter holes are evenly provided on the partition filter plate, the water inlet chamber is located on the side of the front cover away from the opening, a rectangular hole is provided at the bottom of the water inlet chamber, and the water inlet grilles are evenly distributed on the outer wall of the water inlet chamber and are arranged in the form of strip holes and / or through holes.

[0008] Preferably, the driving device includes a stator yoke and a coil, a rotating shaft cylinder is formed on one side of the pump housing close to the electronic control component, the rotor of the impeller rotor is rotatably arranged in the rotating shaft cylinder, the stator yoke is U-shaped, two coils are provided and are respectively mounted on two oppositely arranged yoke bodies on the stator yoke, a circular hole structure is formed at the middle opening portion of the stator yoke, and the circular hole structure of the stator yoke is located on the upper and lower sides of the outer wall of the rotating shaft cylinder.

[0009] Preferably, the electronic control component includes a circuit board, an indicator light and a power cord. The circuit board is electrically connected to the driving device. A limiting hole is provided on the circuit board. A limiting protrusion corresponding to the limiting hole is provided at the end of the rotating shaft tube. The circuit board is clamped with the limiting protrusion of the rotating shaft tube through its limiting hole. The indicator light and the power cord are electrically connected to the circuit board and extend out of the outside of the chassis.

[0010] Preferably, the stator yoke is made of silicon steel sheets, and the coils are wound with copper wires.

[0011] Preferably, a plurality of suction cups are fixedly disposed on the bottom of the chassis.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model has a simple structure and a reasonable design. The impeller cover can be detachably arranged inside the front cover by using a connecting piece. The impeller cover can be directly snapped into the buckle groove of the front cover by means of its wedge-shaped buckle ear, replacing the complicated process of fixing by gluing, which is more environmentally friendly. The utility model can realize the rapid disassembly and assembly of the water pump of the water dispenser, facilitates the subsequent maintenance and cleaning of the water pump of the water dispenser, improves production efficiency, does not need to use glue, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the structure of a pet drinking fountain water pump provided by the utility model embodiment. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of a pet drinking fountain water pump provided by the utility model embodiment. Figure 2 ;

[0017] Figure 3 This is a partial explosion diagram of a pet water dispenser pump provided by the utility model embodiment Figure 1 ;

[0018] Figure 4 This is a schematic diagram of the explosion of a pet water dispenser pump provided by the embodiment of the utility model. Figure 1 ;

[0019] Figure 5 This is a schematic diagram of the front cover structure of a pet drinking fountain water pump provided by an embodiment of the utility model;

[0020] Figure 6 This is a schematic diagram of the explosion of a pet water dispenser pump provided by the embodiment of the utility model. Figure 2 ;

[0021] Figure 7 This is a partial explosion diagram of a pet water dispenser pump provided by the utility model embodiment Figure 2 . DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Please refer to Figure 1An embodiment of the utility model provides a pet drinking fountain water pump, including a chassis 1, a front cover 2, a pump casing 3, an impeller rotor 4, an impeller cover 5, a drive device 6 and an electronic control component 7. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 3 As shown, the front cover 2 is detachably mounted on one side of the chassis 1, the pump casing 3 is fixedly arranged inside the chassis 1, the impeller rotor 4 is installed in the inner cavity of the pump casing 3, the driving device 6 and the electronic control component 7 are both installed in the chassis 1 and located on the outside of the pump casing 3, the driving device 6 is transmission-connected to the impeller rotor 4 and drives it to rotate, the electronic control component 7 is electrically connected to the driving device 6, the impeller cover 5 is installed in cooperation with the pump casing 3, the chassis 1 is provided with a water outlet pipe 11 connected to the pump casing 3, and the impeller cover 5 is detachably arranged inside the front cover 2 through a connecting piece.

[0025] like Figure 4 and Figure 5 As shown, the connecting part may include an insertion groove 21 formed on the front cover 2 and a connecting protrusion 51 formed on the back of the impeller cover 5, a partition filter plate 22 is provided in the front cover 2, the insertion groove 21 is formed on a side of the partition filter plate 22 close to the chassis 1, buckle grooves 23 are respectively recessed on the inner walls on both sides of the insertion groove 21, wedge-shaped buckle ears 52 corresponding to the two buckle grooves 23 are respectively protruded on the outer walls on both sides of the connecting protrusion 51, a first water inlet channel 511 is provided at the bottom of the connecting protrusion 51, and a water inlet 53 connected to the first water inlet channel 511 is provided on the impeller cover 5.

[0026] Furthermore, a lifting ear 54 may be provided on one side of the outer wall edge of the impeller cover 5, and the lifting ear 54 is arranged in an L-shape.

[0027] During specific implementation, the impeller cover 5 can be snapped into the buckle groove 23 of the front cover 2 through the wedge-shaped buckle ear 52, so that the impeller cover 5 can be quickly installed, thereby improving the installation speed of the impeller cover 5. By lifting the lifting ear 54, the impeller cover 5 can be quickly disassembled. This design makes it more convenient to disassemble and assemble, and does not require the use of glue to fix it, thus saving glue and production costs.

[0028] Preferably, a water inlet grille 20 may be provided on the front cover 2, and a plurality of snap-fit ​​ridges 24 are evenly arranged around the inner wall edge of the front cover 2 close to the chassis 1, and a flange portion 12 is provided on the side of the chassis 1 close to the front cover, and a snap-fit ​​groove 13 corresponding to each snap-fit ​​ridge 24 is arranged around the outer wall edge of the flange portion 12, and the flange portion 12 can extend into the front cover 2 and make its snap-fit ​​groove 13 cooperate with the snap-fit ​​ridge 24 to achieve a detachable connection between the chassis 1 and the front cover 2.

[0029] Specifically, the partition filter plate 22 can divide the interior of the front cover 2 into a water inlet chamber 25 and a water filter chamber 26. A plurality of water filter holes 221 are evenly arranged on the partition filter plate 22. The water inlet chamber 25 is located on the side of the front cover 2 away from the opening. A second water inlet channel 251 is arranged at the bottom of the water inlet chamber 25. The water inlet grilles 20 are evenly distributed on the outer wall of the water inlet chamber 25 and are arranged in the form of strip holes and / or through holes.

[0030] In order to prevent the water inlet 53 of the impeller cover 5 or the impeller rotor 4 from being blocked, the water inlet chamber 25 may include a plurality of strip-shaped through holes, which are arranged in a comb shape, thereby ensuring water inlet, preventing the water inlet channel from being blocked, and playing a filtering role.

[0031] like Figure 6 As shown, the driving device 6 may include a stator yoke 61 and a coil 62. A rotating shaft cylinder 31 is formed and protruded on one side of the pump housing 3 close to the electronic control component 7. The rotor 41 of the impeller rotor 4 is rotatably arranged in the rotating shaft cylinder 31. The stator yoke 61 is U-shaped. Two coils 62 are provided and are respectively mounted on two oppositely arranged yoke bodies on the stator yoke 61. A circular hole structure is formed in the middle opening portion of the stator yoke 61. The circular hole structure of the stator yoke 61 is located on the upper and lower sides of the outer wall of the rotating shaft cylinder 31.

[0032] The stator yoke 61 may preferably be made of silicon steel sheets, and the coils 62 are wound with copper wires or enameled wires.

[0033] like Figure 7 As shown, the electric control component 7 may include a circuit board 71, an indicator light 72 and a power cord 73. The circuit board 71 is electrically connected to the driving device 6. A limiting hole 711 is provided on the circuit board 71. A limiting protrusion 32 corresponding to the limiting hole 711 is provided at the end of the shaft tube 31. The circuit board 71 is clamped with the limiting protrusion 32 of the shaft tube 31 through its limiting hole 711. The indicator light 72 and the power cord 73 are both electrically connected to the circuit board 71 and extend out of the outside of the chassis 1.

[0034] In specific implementation, after the power line 73 is connected to the power supply, the stator yoke 61 can generate an alternating magnetic field through the circuit board 71, and the impeller rotor 4 with a permanent magnet can be rotated, thereby driving its impeller to rotate to achieve the water pumping function.

[0035] Preferably, a plurality of suction cups 8 can be fixedly provided at the bottom of the chassis 1, and the suction cups 8 are used to fix the bottom of the water pump of the water dispenser, so that there is a gap between the front cover 2 and the bottom surface of its working position, thereby ensuring the water intake of the inner cavity of the pump housing 3. In addition, the suction cups 8 can also reduce shock to reduce the noise when the water pump is working.

[0036] To sum up, the utility model adopts a connecting piece to detachably set the impeller cover inside the front cover. The impeller cover can be directly snapped into the buckle groove of the front cover through its wedge-shaped buckle ear, replacing the complicated process of fixing by gluing, which is more environmentally friendly. The utility model can realize the rapid disassembly and assembly of the water pump of the water dispenser, facilitates the subsequent maintenance and cleaning of the water pump of the water dispenser, improves production efficiency, does not need to use glue, and saves costs.

[0037] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A pet drinking fountain water pump, characterized in that: The pump comprises a case (1), a front cover (2), a pump casing (3), an impeller rotor (4), an impeller cover (5), a driving device (6) and an electronic control component (7), wherein the front cover (2) is detachably mounted on one side of the case (1), the pump casing (3) is fixedly arranged inside the case (1), the impeller rotor (4) is mounted in the inner cavity of the pump casing (3), the driving device (6) and the electronic control component (7) are both mounted inside the case (1) and located outside the pump casing (3), the driving device (6) is transmission-connected to the impeller rotor (4) and drives the impeller rotor to rotate, the electronic control component (7) is electrically connected to the driving device (6), the impeller cover (5) is cooperatively mounted on the pump casing (3), the case (1) is provided with a water outlet pipe (11) connected to the pump casing (3), the impeller cover ( 5) is detachably arranged inside the front cover (2) through a connecting piece, the connecting piece comprises an insertion groove (21) formed on the front cover (2) and a connecting protrusion (51) formed on the back of the impeller cover (5), a partition filter plate (22) is arranged in the front cover (2), the insertion groove (21) is formed on a side of the partition filter plate (22) close to the chassis (1), buckle grooves (23) are respectively recessed on the inner walls of both sides of the insertion groove (21), wedge-shaped buckle ears (52) corresponding to the two buckle grooves (23) are respectively protruded on the outer walls of both sides of the connecting protrusion (51), a first water inlet channel (511) is opened at the bottom of the connecting protrusion (51), and a water inlet (53) connected to the first water inlet channel (511) is opened on the impeller cover (5).

2. A pet drinking fountain water pump according to claim 1, characterized in that: A lifting ear (54) is provided on one side of the outer wall edge of the impeller cover (5), and the lifting ear (54) is arranged in an L-shape.

3. A pet drinking fountain water pump according to claim 1, characterized in that: A plurality of snap-fitting ridges (24) are evenly arranged around the inner wall edge of one side of the front cover (2) close to the chassis (1); a flange portion (12) is arranged on the side of the chassis (1) close to the front cover; a snap-fitting groove (13) corresponding to each snap-fitting ridge (24) is arranged around the outer wall edge of the flange portion (12); the flange portion (12) can extend into the front cover (2) and make its snap-fitting groove (13) cooperate with the snap-fitting ridge (24) to achieve a detachable connection between the chassis (1) and the front cover (2).

4. A pet drinking fountain water pump according to claim 1, characterized in that: The front cover (2) is provided with a water inlet grille (20); the partition filter plate (22) divides the interior of the front cover (2) into a water inlet chamber (25) and a water filter chamber (26); a plurality of water filter holes (221) are evenly provided on the partition filter plate (22); the water inlet chamber (25) is located on a side of the front cover (2) away from the opening; a second water inlet channel (251) is provided at the bottom of the water inlet chamber (25); and the water inlet grilles (20) are evenly distributed on the outer wall of the water inlet chamber (25) and are arranged in the form of strip holes and / or through holes.

5. A pet drinking fountain water pump according to claim 1, characterized in that: The driving device (6) comprises a stator yoke (61) and a coil (62); a rotating shaft cylinder (31) is formed and protruded on one side of the pump housing (3) close to the electric control component (7); the rotor (41) of the impeller rotor (4) is rotatably arranged in the rotating shaft cylinder (31); the stator yoke (61) is U-shaped; two coils (62) are provided and are respectively mounted on two yoke bodies arranged opposite to each other on the stator yoke (61); a circular hole structure is formed at the middle opening of the stator yoke (61); and the circular hole structure of the stator yoke (61) is located on the upper and lower sides of the outer wall of the rotating shaft cylinder (31).

6. A pet drinking fountain water pump according to claim 5, characterized in that: The electric control component (7) comprises a circuit board (71), an indicator light (72) and a power line (73); the circuit board (71) is electrically connected to the driving device (6); a limiting hole (711) is provided on the circuit board (71); a limiting convex body (32) corresponding to the limiting hole (711) is provided at the end of the rotating shaft cylinder (31); the circuit board (71) is clamped with the limiting convex body (32) of the rotating shaft cylinder (31) through its limiting hole (711); the indicator light (72) and the power line (73) are both electrically connected to the circuit board (71) and extend out of the outside of the chassis (1).

7. A pet drinking fountain water pump according to claim 5, characterized in that: The stator yoke (61) is made of silicon steel sheets, and the coils (62) are all wound with copper wires.

8. The pet drinking fountain water pump according to claim 1, characterized in that: A plurality of suction cups (8) are fixedly arranged on the bottom of the chassis (1).

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