Vibrating litter screen and litter box

Abstract

The utility model discloses and cat litter basin technical field especially related to vibration sand filter screen and cat litter basin. Including filter part and vibration part, filter part is used for separating cat litter and cat excrement, vibration part is used for driving filter part and cat litter and cat excrement in filter part synchronous vibration, and vibration part and filter part constitute detachable connection. The vibration sand filter screen of cat litter basin can provide vibration force when separating cat litter and cat excrement, can promote the separation effect of cat litter and cat excrement, saves cat litter, and reduces use cost.

Description

Technical Field

[0001] This utility model relates to the field of cat litter box technology, and particularly to a vibrating sand filter screen and a cat litter box. Background Technology

[0002] An automatic litter box is a device that can automatically separate cat feces and cat litter. It generally includes a base and a rotating roller. The rotation of the roller separates the cat feces and cat litter, thus keeping the cat litter in the litter box clean.

[0003] In a typical litter box, a rotating roller and a filter screen at the outlet remove cat waste. The roller's rotation filters out the feces, which are then collected in the waste bin. However, current filters often result in a significant amount of litter entering the waste bin along with the feces, leading to substantial waste and the need to add more litter to the roller. This increases both the user's workload and operating costs. Therefore, a solution is urgently needed. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a vibrating filter screen and a cat litter box. The vibrating filter screen of the cat litter box can provide vibration force when separating cat litter and cat feces, which can improve the separation effect of cat litter and cat feces, save cat litter, and reduce the cost of use.

[0005] To achieve the aforementioned objective, the technical solution of this utility model is implemented as follows: a vibrating sand filter and a cat litter box, comprising: a filter component and a vibrating component; the filter component is used to separate cat litter and cat feces; the vibrating component is detachably connected to the filter component and is used to drive the filter component to vibrate.

[0006] Preferably, the filter component includes a sieve-shaped filter screen and a side frame located on one side of the filter screen; the side frame is provided with an installation area for installing a vibrating component and a connecting end for connecting the vibrating filter screen to the litter box; the connecting end is located at both ends of the installation area.

[0007] Preferably, the vibration component includes a housing and a vibrator installed inside the housing. The housing has snap-fit ​​structures at both ends, and the mounting area has a connecting part that snaps into the snap-fit ​​structures.

[0008] Preferably, the connecting portion at the installation area includes two limiting plates and an open groove; the open groove is disposed on the side frame, the limiting plates are located at both ends of the open groove, and the limiting plates are provided with snap-fit ​​holes; the snap-fit ​​structure of the housing is snap-fit ​​protrusions disposed at both ends of the housing and engaging with the snap-fit ​​holes; the bottom surface of the housing is a plane, and when the housing and the limiting plates are snapped together, the limiting plates clamp the two ends of the housing, and the bottom surface of the housing is attached to the bottom surface of the open groove, and the inner wall of the open groove is snapped together with at least three sides of the housing.

[0009] Preferably, the filter screen includes intersecting and connected horizontal and vertical ribs, and the intersecting horizontal and vertical ribs form rectangular filter screen holes; each rectangular filter screen hole is a mesh unit, and the mesh unit has at least one of the vertical ribs with radial short rods extending to both sides, and the vertical ribs are wavy.

[0010] Preferably, the vibrator is powered by an external power source or by a battery placed in the housing; one end of the housing is provided with a cover for replacing the battery; the cover and the housing are detachably connected.

[0011] Preferably, the vibrator is a vibration motor, and the housing is also provided with a control switch for controlling the start and stop of the vibration motor.

[0012] Preferably, the litter box includes a base and a roller rotatably connected to the base, and a vibrating filter screen installed in the roller for vibrating and separating cat litter and cat feces in the roller.

[0013] Preferably, the litter box further includes a vibration damping component; the vibration damping component is disposed at the connection between the vibrating filter screen and the roller, and is used to reduce the vibration force transmitted from the vibrating filter screen to the roller.

[0014] Preferably, the inner wall of the roller is provided with a connecting shaft, the connecting end of the filter screen is provided as a sleeve that fits into the connecting shaft, and the side frame is provided with at least one notch for increasing the deformation of the side frame in the length direction when the side frame is installed and disassembled.

[0015] The beneficial effects of this utility model are reflected in:

[0016] (1) The vibrating filter screen provided by this utility model adds a vibrator to the side frame of the filter screen, which can provide vibration force when the filter screen separates cat litter and cat feces in the cat litter. This makes the filter screen form a vibrating screen, thereby increasing the separation effect of cat litter and cat feces, saving cat litter and reducing the user's usage cost.

[0017] (2) This utility model sets the edges of the filter holes of the sand mesh as zigzag short rods, and sets radial short rods at the ends or middle of the zigzag short rods. Two adjacent zigzag short rods form a filter hole, and the radial short rods on the two adjacent zigzag short rods are staggered. With this setting, when cat feces enter the cat litter, they are adsorbed and combined with the cat litter to form short strips. The zigzag short rods and radial short rods can block the cat feces, effectively intercepting the cat feces, and leaving space for cat litter to leak out. Thus, such filter holes can filter out excess cat litter from the filter holes when vibrating, improving the separation effect of the entire sand mesh on cat litter and cat feces.

[0018] (3) The battery in the vibration component of this utility model is replaceable or rechargeable, which makes it convenient for users to replace or recharge the battery on a daily basis. It does not need to share a power source with the main body of the litter box, eliminating the need for complicated wiring and making daily maintenance and replacement simpler.

[0019] (4) By setting up a vibration damping component, this utility model can reduce the vibration force transmitted from the vibrating component to the roller, avoid noise generation, and thus improve the user experience.

[0020] (5) This utility model can be linked with the cat litter box by setting a control switch in the vibrating component. When the control switch detects that the entire filter screen enters the angle / state of filtering cat litter after rotating with the roller, the vibrator can be turned on, so that the entire filter screen enters the vibration state, which increases the separation effect of cat litter and cat feces in the filter screen. The control logic is simple, easy to implement and low cost. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the cat litter box of this utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the vibrating filter screen of this utility model;

[0023] Figure 3 This is a top view of the structure of the vibrating filter screen of this utility model;

[0024] Figure 4 This is a top view of the structure of the filter screen of this utility model;

[0025] Figure 5 This is a schematic diagram of the external structure of the vibration component of this utility model;

[0026] Figure 6 This is a schematic diagram of the internal structure of the vibration component of this utility model;

[0027] Figure 7 This is a schematic diagram of the cross-sectional structure at the connection between the vibration component and the drum of this utility model;

[0028] Figure 8This is a schematic diagram of the vibrating filter screen of this utility model at its working angle.

[0029] Figure labels and descriptions;

[0030] 10. Roller; 11. Connecting shaft; 12. Guide plate; 20. Base; 21. Back plate; 30. Filter component; 31. Side frame; 311. Connecting end; 312. Limiting plate; 313. Snap-fit ​​hole; 314. Notch; 315. Installation area; 316. Open groove; 317. Abutment rib; 32. Filter screen; 321. Zigzag short rod; 322. Ray-shaped short rod; 33. Connecting rod; 34. Soft rubber gasket; 35. Vibrating component; 351. Cover plate; 352. Battery; 353. Vibrator; 354. Snap-fit ​​protrusion; 355. Housing; 36. Horizontal rib; 37. Vertical rib; 38. Soft rubber sleeve. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0032] Example

[0033] like Figures 1-8 As shown, this utility model provides a vibrating sand filter and a cat litter box.

[0034] Example 1

[0035] The vibrating filter screen includes: a filter element 30 and a vibrating element 35.

[0036] In practical use, the filter element 30 is mainly used to separate cat litter and cat feces, while the vibrating element 35 is used to drive the filter element 30 to vibrate synchronously with the cat litter and cat feces in the filter element 30. The vibration force provided by the vibrating element 35 to the filter element 30 makes the entire filter element 30 a vibrating screen, thereby improving the separation effect of cat litter and cat feces, saving cat litter, and reducing the user's daily operating costs.

[0037] In addition, the vibration component 35 and the filter component 30 are detachably connected, so that the customer can freely choose whether to install the vibration component 35, or facilitate the daily replacement and maintenance of the vibration component 35 by the user, thereby improving the flexibility and convenience of use.

[0038] The filter element 30 mainly consists of a frame and a filter screen 32.

[0039] In practical applications, the frame is distributed around the circumference of the filter screen 32 and connected to the filter screen 32. The vibrating component 35 is installed on the frame, and the vibrating component 35 drives the frame to vibrate, which in turn drives the filter screen 32 to vibrate, so that the cat litter and cat feces in the filter component 30 vibrate synchronously, and the filter screen 32 achieves the effect of a vibrating screen. The frame and the filter screen 32 are set as a sieve shape, so that when the filter component 30 separates cat litter and cat feces, the cat litter and cat feces can be gathered and concentrated in the middle of the filter screen 32, which is not easy to spill during vibration, thus improving the separation effect of cat litter and cat feces.

[0040] To facilitate the installation and use of the vibration component 35, the area of ​​the frame located on one side of the filter screen 32 is set as a side frame 31. Two connecting ends 311 and an installation area 315 are provided on the side frame 31. The connecting ends 311 are used to form the connection point between the side frame 31 and the litter box. The installation area 315 is set between the two connecting ends 311 and is used to install the vibration component 35.

[0041] In practical applications, the front of the side frame 31 is used for scooping cat litter, and two limiting plates 312 are provided on the back of the mounting area 315 of the side frame 31. That is, the two limiting plates 312 are fixed to the back of the mounting area 315; the two ends of the vibration component 35 are engaged with the two limiting plates 312. At the same time, reinforcing ribs are provided on the outer side of the limiting plates 312 to prevent excessive deformation of the limiting plates 312.

[0042] In order to enable the vibrating component 35 to better transmit the vibration force to the filter screen 32, an open groove 316 is provided on the back of the installation area 315; one side of the open groove 316 has no sidewall, forming an inlet and outlet for disassembling or installing the vibrating component 35.

[0043] The limiting plate 312 is provided with a snap-fit ​​hole 313, and the two ends of the vibrating component 35 are provided with snap-fit ​​protrusions 354, which are snap-fitted with the snap-fit ​​hole 313.

[0044] Generally, the two limiting plates 312 are pressed together by the two ends of the vibrating component 35 until the engaging protrusion 354 is engaged in the engaging hole 313, thus completing the connection between the vibrating component 35 and the side frame 31. The bottom surface of the housing 355 is set as a plane. When the housing 355 and the limiting plate 312 are engaged, the limiting plate 312 and the two ends of the housing 355 are clamped together, and the bottom surface of the housing 355 is in contact with the bottom surface of the open groove 316. The inner wall of the open groove 316 is engaged with at least three sides of the housing 355. In order to make the inner wall of the open groove 316 engage more tightly with the sides of the housing 355, an abutment rib 317 is provided on the inner wall of the open groove 316. The abutment rib 317 is set as an arc and fits tightly with the sides of the housing 355.

[0045] The vibrating component 35 mainly consists of a battery 352, a vibrator 353, a housing 355, and a control switch. The control switch can be configured to manually turn on the vibrator 353 or to automatically turn on the vibrator 353. The control switch that can automatically turn on the vibrator 353 includes an angle sensor and a controller.

[0046] The battery 352, vibrator 353, and control switch are all housed within the casing 355. The battery 352 is electrically connected to the vibrator 353 and control switch. An angle sensor on the control switch monitors the angle of the side frame 31, and the controller uses this angle to start and stop the vibrator 353. This design protects the battery 352 and vibrator 353 from contamination by cat litter or feces, thus improving durability.

[0047] When the angle sensor detects that the entire filter element 30 has entered the state of separating cat litter and cat feces, the controller activates the vibrator 353.

[0048] In practical implementation, the angle sensor can be a commercially available gyroscope or other components that can monitor changes in the angle of an object; the controller is a microcontroller or PLC controller, for example, the microcontroller reads the angle data from the angle sensor in real time and compares it with the preset value; when the target angle is reached, the microcontroller outputs a control signal to drive the MOSFET to conduct, the vibration motor starts, the internal timer of the microcontroller starts counting, and after 1 minute, the output signal reverses, the MOSFET is turned off, and the vibration motor stops.

[0049] The vibrator 353 is composed of an eccentric shaft motor or a vibration motor. Since the eccentric shaft motor is equipped with an eccentric block, when it is started, the eccentric block rotates, thereby driving the housing 355 to vibrate.

[0050] In actual use, the housing 355 is fitted and connected to the mounting area 315 of the side frame 31, and is engaged with the limiting plate 312 and the open groove 316. Thus, the housing 355 transmits the vibration force to the side frame 31, and the side frame 31 drives the frame and the filter screen 32 to vibrate, thereby realizing the vibration of the entire vibrating filter screen.

[0051] To improve the separation effect of cat litter and cat feces by the filter screen 32, multiple intersecting and connected horizontal ribs 36 and vertical ribs 37 are provided on the filter screen 32. Both ends of the multiple horizontal ribs 36 and vertical ribs 37 are connected to the side frame 31. The horizontal ribs 36 are distributed along the X-axis direction of the horizontal plane of the side frame 31, and the vertical ribs 37 are distributed along the Y-axis direction of the horizontal plane of the side frame 31. The horizontal ribs 36 and vertical ribs 37 intersect to form rectangular filter holes.

[0052] The rectangular filter mesh holes are designed with short, bent rods 321 along their length, so that the vertical ribs 37 are generally wavy.

[0053] A radial short rod 322 extending to both sides is provided at the end or middle of the broken-line short rod 321; the middle part of the radial short rod 322 is perpendicularly connected to the broken-line short rod 321, and the radial short rods 322 on two adjacent broken-line short rods 321 are staggered. Two adjacent radial short rods 322 on the same straight line are not connected, and the radial short rods 322 on the same straight line are parallel to the transverse rib 36; the length of the radial short rod 322 is approximately 1 / 3 to 1 / 2 of the width of the rectangular filter mesh.

[0054] In practical use, after cat feces enter the cat litter, it absorbs and forms short strips with the cat litter. The two zigzag short rods 321 and the ray-shaped short rods 322 form a rectangular filter mesh with an overall zigzag shape. The rectangular filter mesh can not only intercept the short strips through the zigzag shape of the holes and the ray-shaped short rods 322, preventing the short strips from leaking out of the rectangular filter mesh, but it is also not blocked by the short strips. At the same time, it can also leave space for cat litter to leak out.

[0055] Such filter holes can effectively intercept cat feces when the filter screen 32 vibrates, and filter out excess cat litter from the filter holes, thus improving the overall separation effect of the filter screen 32 on cat litter and cat feces.

[0056] A cover plate 351 for replacing the battery 352 is provided at one end of the housing 355; the cover plate 351 and the housing 355 are detachably connected, and the cover plate 351 and the housing 355 are generally set to snap-fit, so as to facilitate the operator to replace the battery 352.

[0057] In addition, when the battery 352 is a commercially available rechargeable battery, a charging port for charging the battery 352 can be provided on the housing 355, so that the operator can easily charge the battery 352.

[0058] By setting the power supply of the vibrating component 35 to be independent of the litter box, the entire vibrating filter screen can be used independently, avoiding the need to install a power cord inside the litter box and reducing manufacturing costs.

[0059] In addition, the power supply of the vibration component 35 can also be the power supply of the litter box. It is only necessary to form an electrical connection with the litter box through a reasonably arranged wire. The specific power supply configuration of the vibration component 35 can be selected according to the actual use of the product.

[0060] Example 2

[0061] The litter box includes the aforementioned vibrating filter screen and vibration damping components.

[0062] The side frame 31 of the vibrating filter screen is detachably connected to the roller 10 of the litter box.

[0063] To facilitate daily disassembly, a notch 314 is provided between the connecting end 311 and the mounting area 315 to increase the deformation capacity of the side frame 31 during disassembly.

[0064] By setting a notch 314, deformation space is reserved for the side frame 31 to be pressed by external force, which avoids the side frame 31 from breaking when the vibrating filter screen is frequently disassembled, thereby improving the durability of the entire vibrating filter screen.

[0065] To improve the durability of the vibrating sand filter, most of the material of the entire vibrating sand filter is made of plastic with a certain degree of deformation capability.

[0066] Vibration damping components are installed on the vibrating filter screen to reduce the vibration force transmitted from the vibrating filter screen to the drum 10.

[0067] The vibration damping assembly mainly consists of a connecting rod 33, a soft rubber pad 34, and a soft rubber sleeve 38.

[0068] A connecting shaft 11 is provided on the inner wall of the litter box roller 10; the connecting end 311 is a sleeve, and the sleeve and the connecting shaft 11 form a plug-in fit; the soft rubber sleeve 38 is fitted on the connecting shaft 11, so that the entire vibrating sand filter screen is rotatably connected to the litter box roller 10. When the roller 10 rotates, due to the combined action of the vibrating sand filter screen's own weight and the connecting shaft 11, the vibrating sand filter screen can synchronously adjust its own usage angle with the roller 10.

[0069] In practical use, the soft rubber sleeve 38 is fitted onto the connecting shaft 11, thereby preventing the side frame 31 from transmitting vibration force to the connecting shaft 11. One end of the connecting rod 33 is connected to the side frame 31, and the other end is connected to the soft rubber pad 34. As the roller 10 rolls, when the soft rubber pad 34 rotates with the vibrating filter screen to a certain angle, the soft rubber pad 34 can form a contact connection with the inner wall of the roller 10.

[0070] With this setting, the vibration force transmitted from the filter element 30 to the drum 10 can be reduced when the entire filter element 30 is in use, thus preventing the drum 10 from generating noise due to resonance and improving the user experience.

[0071] Example 3

[0072] The method for cleaning a cat litter box with a vibrating filter includes the following steps:

[0073] S1: Standby Startup

[0074] After the cat leaves the litter box, the rotating motor in the back plate 21 of the base 20 starts, and the litter box roller 10 rotates slowly.

[0075] S2: Angle positioning stop

[0076] An angle sensor detects the rotation angle of the cylinder in real time. When the reading reaches the "preset target angle" (which needs to be calibrated according to the actual position of the vibrating filter screen to ensure that the cat litter can fall completely into the filter screen), the rotating motor immediately stops rotating.

[0077] S3: Vibration separation start

[0078] After the rotary motor stops, there is a 1-second delay (to allow the litter to settle stably on the vibrating screen and prevent it from being unevenly spread immediately after the motor stops). The vibrating motor then starts, driving the vibrating filter screen to vibrate at a frequency of 50-100Hz and an amplitude of 2-3mm (the frequency and amplitude must be adapted to the type of litter to prevent clumping). The vibration allows smaller, unclumped, clean litter particles to fall through the mesh back into the litter box, while larger, irregularly shaped feces (or clumped litter) remain on the vibrating screen, achieving initial separation.

[0079] S4: Vibration delay stops

[0080] After the vibration motor starts, it will work continuously for 5-10 seconds (the duration can be set according to the type of cat litter) and then the vibration motor will stop working.

[0081] S5: Continue turning to clean up.

[0082] After the vibration stops, the rotary motor restarts, and the litter box continues to rotate in the original direction. The cat feces separated by the filter screen 32 continue to rotate with the roller 10 and enter the cat feces collection chamber in the base 20 along the surface of the filter screen 32 and the guide plate 12 in the roller 10, completing the cleaning and falling into the collection chamber.

[0083] S6: Reset standby

[0084] When the angle sensor detects that the litter box has rotated to the "initial position angle", the rotary motor stops rotating, all components (vibration motor, sensor) are reset to the initial state, and the device enters a low-power standby mode.

[0085] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A vibrating sand filter screen for use in cat litter boxes, characterized in that, include: A filter element (30) and a vibrating element (35); the filter element (30) is used to separate cat litter and cat feces; the vibrating element (35) is detachably connected to the filter element (30) and is used to drive the filter element (30) to vibrate; The filter component (30) includes a sand filter (32) in the shape of a sieve and a side frame (31) located on one side of the sand filter (32); the side frame (31) is provided with an installation area (315) for installing a vibrating component (35) and a connecting end (311) for connecting the vibrating sand filter to the litter box; the connecting end (311) is located at both ends of the installation area (315).

2. The vibrating filter screen according to claim 1, characterized in that, The vibration component (35) includes a housing (355) and a vibrator (353) installed in the housing (355). The two ends of the housing (355) are provided with snap-fit ​​structures, and the mounting area (315) is provided with a connecting part that snaps into the snap-fit ​​structure.

3. The vibrating filter screen according to claim 2, characterized in that, The connecting part at the installation area (315) includes two limiting plates (312) and an open groove (316); the open groove (316) is set on the side frame (31), the limiting plates (312) are located at both ends of the open groove (316), and the limiting plates (312) are provided with snap-fit ​​holes (313); the snap-fit ​​structure of the housing (355) is a snap-fit ​​protrusion (354) set at both ends of the housing (355) and snap-fitting with the snap-fit ​​holes (313); the bottom surface of the housing (355) is a plane, when the housing (355) and the limiting plates (312) form a snap-fit, the limiting plates (312) and both ends of the housing (355) form a clamp, and the bottom surface of the housing (355) is attached to the bottom surface of the open groove (316), and the inner wall of the open groove (316) forms a snap-fit ​​with at least three sides of the housing (355).

4. The vibrating filter screen according to claim 1 or 3, characterized in that, The filter screen (32) includes intersecting and connected horizontal ribs (36) and vertical ribs (37), and the intersecting horizontal ribs (36) and vertical ribs (37) form rectangular filter screen holes; each rectangular filter screen hole is a mesh unit, and the mesh unit has at least one of the vertical ribs (37) with radial short rods (322) extending to both sides, and the vertical ribs (37) are wavy.

5. The vibrating filter screen according to claim 3, characterized in that, The starting power supply of the vibrator (353) is set to an external power supply or a battery (352) placed in the housing (355); one end of the housing (355) is provided with a cover plate (351) for replacing the battery (352); the cover plate (351) and the housing (355) are detachably connected.

6. The vibrating filter screen according to claim 5, characterized in that, The vibrator (353) is a vibration motor, and the housing (355) is also provided with a control switch for controlling the start and stop of the vibration motor.

7. A litter box, comprising a base (20) and a roller (10) rotatably connected to the base (20), characterized in that, Includes the vibrating filter screen according to any one of claims 1-6, the vibrating filter screen being installed in the drum (10) for vibrating separation of cat litter and cat feces in the drum (10).

8. The litter box according to claim 7, characterized in that, It also includes a vibration damping component; the vibration damping component is set at the connection between the vibrating filter screen and the drum (10) to reduce the vibration force transmitted from the vibrating filter screen to the drum (10).

9. The litter box according to claim 7, characterized in that, The inner wall of the roller (10) is provided with a connecting shaft (11), the connecting end (311) of the filter screen is provided as a sleeve that is sleeved with the connecting shaft (11), and the side frame (31) is provided with at least one notch (314) for increasing the deformation of the side frame (31) in the length direction when the side frame (31) is installed and disassembled.

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