CN111066666A

CN111066666A - Anti-grain-jamming pet feeder

Info

Publication number: CN111066666A
Application number: CN201911415498.7A
Authority: CN
Inventors: 陈四龙
Original assignee: Dongguan Jiasheng Enterprise Co Ltd
Current assignee: Dongguan Jiasheng Enterprise Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-28

Abstract

The invention provides a pet feeder capable of preventing grain from being blocked, which comprises a shell and a top cover buckled on the top of the shell, wherein an accommodating cavity is formed in the shell, an outlet is formed in the lower part of the shell, a grain storage chamber is arranged at the upper part of the accommodating cavity, and a driving mechanism is arranged at the lower part of the accommodating cavity; the lower part of the grain storage chamber is provided with a rotatable rotor; the rotor comprises a rotating shaft and a main body part arranged on the rotating shaft, and a plurality of blades are uniformly distributed on the side wall of the main body part; a grain outlet channel is arranged below the blades of the grain storage chamber and is communicated with the outlet; the driving mechanism is connected with and drives the rotor to rotate, so that grains in the grain storage chamber are conveyed to the grain outlet channel and discharged through the outlet; an anti-jamming comb is fixedly arranged in the grain storage chamber, the anti-jamming comb is provided with a comb back and comb teeth arranged on the comb back, and the free ends of the comb teeth face to and are close to the blades; when the rotor rotates, the comb teeth block grains scattered on the blades from passing through, so that the grain discharging amount is controlled, and grain blockage is prevented.

Description

Anti-grain-jamming pet feeder

Technical Field

The invention relates to the technical field of feeders, in particular to a pet feeder capable of preventing grain from being stuck.

Background

Pets are friends of human beings, and gradually enter thousands of households. The pet articles are prosperous. Among the most important pet products is the feeder. The current feeders cannot feed in a fixed amount, so that too much or too little food is fed, and the health of pets is affected; the feeder is easy to clamp the grain and cannot normally operate; the grains in the feeder are easy to deteriorate due to moisture.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a pet feeder capable of preventing grain from being blocked, and solves the problems that the existing pet feeder is easy to block grains, cannot feed quantitatively and is easy to wet the grains.

The technical scheme of the invention is as follows: an anti-grain-jamming pet feeder comprises a shell and a top cover buckled on the top of the shell, wherein an accommodating cavity is formed in the shell, an outlet is formed in the lower part of the shell, a grain storage chamber is arranged at the upper part of the accommodating cavity, and a driving mechanism is arranged at the lower part of the accommodating cavity; the lower part of the grain storage chamber is provided with a rotatable rotor; the rotor comprises a rotating shaft and a main body part arranged on the rotating shaft, and a plurality of blades are uniformly distributed on the side wall of the main body part; a grain outlet channel is arranged below the blades of the grain storage chamber and is communicated with the outlet; the driving mechanism is connected with and drives the rotor to rotate, so that grains in the grain storage chamber are conveyed to the grain outlet channel and discharged through the outlet;

an anti-jamming comb is fixedly arranged in the grain storage chamber, the anti-jamming comb is provided with a comb back and comb teeth arranged on the comb back, and the free ends of the comb teeth face to and are close to the blades; when the rotor rotates, the comb teeth block grains scattered on the blades from passing through, so that the grain discharging amount is controlled, and grain blockage is prevented.

The grain storage chamber is provided with a residual grain detection element, and the shell is provided with an indicator light; the residual grain detection element is electrically connected with the indicator lamp, and the detection result is displayed through the indicator lamp.

The top of storing up the grain room is equipped with the opening, be equipped with the seal groove on the top cap, a sealing ring is pegged graft in the seal groove and rather than interference fit, the top cap lock is in when on the casing, thereby the sealing ring encircles thereby open-ended periphery is sealed the inner chamber of storing up the grain room keeps placing the food in the grain room is dry.

The top cover is provided with a screen plate capable of being opened and closed, a drying agent chamber is formed between the screen plate and the top cover, and the drying agent chamber is used for placing drying agents.

A grain clamping detection element is arranged in the grain outlet channel.

The middle part of the comb back is an arc part, straight parts extend out of two sides of the arc part, and the straight parts extend out of the comb teeth downwards;

the arc-shaped part is erected on the main body part around the rotating shaft, and the comb teeth are located on two sides of the main body part.

The lower part of the grain storage chamber is provided with a discharging gentle slope and an inclined straight slope, and the bottoms of the inclined straight slope and the discharging gentle slope extend downwards to form a grain discharging barrel; the top of the wall of the grain discharging barrel inclines downwards from the inclined straight slope to the blanking gentle slope and is respectively connected with the bottom of the inclined straight slope and the bottom of the blanking gentle slope; the bottom surface of the grain discharging barrel is provided with a central hole; the bottom surface of the barrel is communicated with the grain outlet channel.

The main body part is accommodated in the grain placing barrel, and the lower end of the rotating shaft penetrates through the central opening and is connected with the driving mechanism;

and the inclined straight slope is provided with a positioning hole, and the upper end of the rotating shaft is rotatably arranged in the positioning hole.

The cross-section of straight portion is triangle-shaped, straight portion with be equipped with mutually supporting buckle and draw-in groove on the slope respectively, thereby will anti-sticking comb is fixed slope below.

The driving mechanism comprises a motor, a belt pulley group, a scroll bar and a turntable assembly; the motor drives the belt pulley group, and the belt pulley group drives the scroll rod to rotate; the scroll bar drives the turntable to rotate; the rotary disc is connected with and drives the rotor to rotate.

The rotating disc assembly comprises a rotating disc, wherein the periphery of the rotating disc is provided with a tooth, the middle part of the rotating disc is provided with a matching cylinder, and vertical convex ribs are uniformly distributed in the matching cylinder along the long diameter of the matching cylinder; the lower end of the rotating shaft is arranged in a shape of a plus; the lower end of the rotating shaft is inserted into the matching barrel and clamped between the vertical ribs, so that the rotating shaft can be driven to rotate when the rotary disc assembly rotates.

The carousel is equipped with a micro-gap switch outward, the equipartition has the trigger part of a plurality of arrow point shapes on the outer wall of a cooperation section of thick bamboo, trigger part along with the carousel rotates, passes through during the micro-gap switch, form the conductance rather than it to trigger the next time of carousel rotates.

The scroll bar is arranged on one side of the rotary disc and meshed with the rotary disc; be equipped with first mounting bracket and second mounting bracket in the casing respectively, the both ends of scroll bar erect have first mounting bracket with on the second mounting bracket.

A belt pulley mounting frame is arranged on the bottom surface of the shell, and the belt pulley group is mounted on the belt pulley mounting frame; the belt pulley set comprises a first belt pulley, a second belt pulley and a third belt pulley; the motor is arranged on the bottom surface of the shell; the motor drives the first belt pulley through a first belt; the first belt pulley is connected with the second belt pulley through a wheel shaft, and the wheel shaft is erected on the mounting frame; the second belt pulley with the third belt pulley passes through a second belt drive the third belt pulley, the third belt pulley is installed on the scroll bar.

Still be equipped with a protective cover in the casing, the protective cover frame is made on the belt pulley mounting bracket, cover the third belt pulley with the scroll bar.

The shell is further provided with a battery bin, and a battery is placed in the battery bin and supplies power to the driving mechanism.

The shell is also provided with a USB interface, and the USB interface is connected with commercial power or an external power supply to supply power for the driving mechanism.

The shell is provided with a side wall and a front side wall, the top cover is buckled on the side wall, and the top cover and the front side wall are matched to enclose the accommodating cavity.

The outlet is arranged at the lower part of the front side wall; a food tray is arranged below the outlet and used for receiving the grains released from the outlet.

The invention has the beneficial effects that: the pet feeder provided by the invention prevents excessive food from being released at one time by arranging the anti-jamming comb, thereby achieving the effects of preventing grain jamming and feeding quantitatively. The pet feeder has a grain blocking detection element, can monitor the grain blocking condition, and further achieves the effect of preventing grain blocking. The pet feeder prevents food from being wet and polluted by sealing the food storage chamber, keeps the food dry and clean and is beneficial to long-term storage of the food.

Description of the drawings:

fig. 1 is a schematic structural view of a pet feeder for preventing food jamming according to the present invention.

Fig. 2 is a top view of the anti-jamming pet food dispensing device shown in fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic structural view of a top cover of the pet feeder for preventing food blockage according to the present invention.

Fig. 5 is a schematic view of a combined structure of a grain storage chamber and a grain outlet channel of the pet feeder for preventing grain jamming.

Fig. 6 is a schematic view of the combined structure of the lower part of the grain storage chamber and the grain outlet channel of the pet feeder for preventing grain jamming.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is another structural schematic view of the lower part of the grain storage chamber in fig. 6, which is shown with the grain release cylinder removed for clarity.

Fig. 9 is a schematic structural view of a rotor of the pet food jamming prevention feeder according to the present invention.

Fig. 10 is a schematic view of the combination of the food storage chamber, the driving mechanism, the food outlet channel, and the bottom cover of the housing of the pet food feeder according to the present invention.

Fig. 11 is a schematic view of the assembly of the driving mechanism, the rotor and the bottom cover of the housing of the pet food jamming prevention feeder according to the present invention.

Fig. 12 is an exploded view of fig. 11.

Fig. 13 is a schematic view of the combination structure of the driving mechanism and the rotor according to the present invention.

Detailed Description

In order to make the object, technical solution and technical effect of the present invention more apparent, the present invention will be further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the pet feeder for preventing grain jamming comprises a housing 10 and a top cover 20 fastened on the top of the housing, the housing and the top cover enclosing a containing cavity 30, wherein an outlet 11 is formed at the lower part of the housing 10. The upper part of the accommodating cavity 30 is provided with a grain storage chamber 100, and the lower part is provided with a driving mechanism 200; the lower part of the grain storage chamber 100 is provided with a rotatable rotor 300; the rotor 300 includes a rotating shaft 310, and a main body 320 disposed on the rotating shaft 310, wherein a plurality of blades 330 are uniformly distributed on a sidewall of the main body 320. A grain outlet channel 400 is arranged below the blades 330 of the grain storage chamber 100, and the grain outlet channel 400 is communicated with the outlet 11; the driving mechanism 200 is connected to and drives the rotor 300 to rotate, so as to convey the grains stored in the grain storage chamber 100 to the grain outlet channel 400, and discharge the grains through the outlet 11.

The top cover 20 is fastened to the housing 10, and the fastening manner may be a snap connection or a screw connection. In the embodiment shown in fig. 1, the two are snap-fit connected, and the top cover 20 and one side of the housing 10 are pivotally connected by a first rotating shaft 12, so as to facilitate the opening of the top cover 20.

Referring to fig. 3 and 4, the grain storage chamber 100 is disposed at the upper portion of the accommodating chamber 30. The top of the grain storage chamber 100 is provided with an opening 101. The top cover 20 is provided with a sealing groove 21, a sealing ring 22 is inserted into the sealing groove 21 and is in interference fit with the sealing groove, when the top cover 20 is buckled on the shell 10, the sealing ring 22 surrounds the periphery of the opening 101 so as to seal the inner cavity of the grain storage chamber 100 and keep food placed in the grain storage chamber 100 dry.

Referring to fig. 3 and 4, preferably, in an embodiment of the present invention, a stepped wall 102 is further disposed at the top of the grain storage chamber 100, a circular wall 23 corresponding to the stepped wall 102 is disposed on the top cover 20, and when the top cover 20 is fastened to the housing 100, the circular wall 23 abuts against the stepped wall 102, thereby further isolating the outside from the inner cavity of the grain storage chamber 100 and ensuring the drying of food.

Referring to fig. 3 and 4, preferably, in one embodiment of the present invention, the top cover 20 is provided with an openable mesh plate 24, and a desiccant chamber 25 is formed between the mesh plate 24 and the top cover 20, wherein the desiccant chamber 25 is used for placing a desiccant. Specifically, the lower surface of the top cover 20 is provided with a groove, and the mesh plate 24 covers the groove, thereby forming the desiccant chamber. One side of the screen plate 24 is pivoted on the groove wall of the groove through a shaft pin and a pin hole, and the other opposite side is clamped with the buckling groove through a buckle. When the screen plate needs to be opened, the buckle is separated from the buckle groove, the screen plate 24 is rotated around the shaft pin, and then the screen plate can be opened to take and place the drying agent. When the screen plate 24 needs to be closed, the buckle is clamped with the buckle groove. The drying agent further adsorbs moisture in the grain storage chamber to keep food dry.

In one embodiment of the present invention, a button assembly 50 is disposed between the top cover 20 and the housing 10, and pressing the button assembly 50 controls the opening and closing of the top cover 20, thereby locking or unlocking the top cover 20. The shell is provided with a button groove, and the button assembly is accommodated in the button groove. The button assembly 50 is of generally conventional construction, well known to those skilled in the art, and is not intended to be limiting.

Referring to fig. 1, in one embodiment of the present invention, the housing 10 has a side wall 13 and a front side wall 14. The top cover 20 is fastened on the side wall 13, and the top cover and the front side wall 14 are matched to enclose the accommodating cavity. The button assembly 50 is disposed between the top cover 20 and the top of the front side wall 14. The side wall 13 and the front side wall 14 are fixedly connected, and the connection mode of the side wall and the front side wall can be screw connection, clamping connection, riveting connection and the like.

In one embodiment of the present invention, a manual grain release button 15 is provided on the front sidewall 14. The manual grain discharging button 15 can control the driving mechanism 200 to be opened or closed, so that grain discharging and stopping are realized.

In one embodiment of the invention, the outlet 11 is arranged in the lower part of the front side wall. Preferably, a food tray 40 is disposed below the outlet 11 to receive the food discharged from the outlet 11.

Preferably, the front side wall 14 is provided with an arc-shaped surface, and the food tray 40 is also provided with a circular shape, so that the food tray 40 can be attached to the front side wall 14, grains are prevented from being exposed out of the food tray 40, and the pet feeder is attractive in appearance. Preferably, referring to fig. 3, the plate 40 and the front wall 14 are provided with a snap 41 and a slot 16, respectively, which are engaged with each other. The food tray 40 is fixed on the front side wall 14 through the cooperation of the buckle 41 and the clamping groove 16, so that the food tray 30 is prevented from being moved during the process of pet diet.

Referring to fig. 5, 6, 7 and 8, the lower part of the grain storage chamber 100 is shaped like an opposite funnel and has a discharging gentle slope 110, one side of the discharging gentle slope 110 is provided with an inclined straight slope 120, and the inclined straight slope 120 and the bottom of the discharging gentle slope 110 extend downwards to form a grain discharge barrel 130. The discharging gentle slope 110 and the inclined straight slope 120 are beneficial to falling of grains entering the grain storage chamber and entering the grain discharge barrel 130. The side of the grain discharging tube 130 is provided with an outer convex part 131, the top of the tube wall of the grain discharging tube is inclined downwards from the inclined straight slope 120 to the blanking gentle slope 110, and the top of the tube wall is respectively connected with the bottom of the inclined straight slope 120 and the bottom of the blanking gentle slope 110. The structure of the grain storage chamber 100 is easy for food to fall on the bottom of the grain storage chamber, and the food can accurately enter a rotor to prevent the food from being accumulated on the upper part.

The bottom surface of the grain storage chamber 100 is the bottom surface of the grain placing cylinder 130, and the bottom surface is provided with a central hole 105.

Referring to fig. 3, the bottom surface of the grain discharging barrel 130 is communicated with the grain discharging passage 400. Specifically, one end of the grain discharging passage 400 is connected to the bottom surface of the grain discharging tube 130, and the other end is an opening and is connected to the side of the housing 10. In particular, the front side wall 14 is connected.

It should be understood that the grain storage chamber 100 may be designed as a whole or may be designed as a separate body. To facilitate the installation of other parts, a split design is preferred. Referring to fig. 5, the grain storage chamber 100 now includes an upper shell 106 and a lower shell 107. The opening 101 is provided at the top of the upper case 106. The lower shell 106 is in the anisotropic funnel-shaped arrangement described above. The connection mode of the upper shell 106 and the lower shell 107 can be clamping connection, screw connection and the like.

Preferably, the grain storage chamber 100 is provided with a residual grain detection element 104, and the shell is provided with an indicator light 108; the residual grain detecting element 104 is electrically connected with the indicator light 108, and the detection result is displayed through the indicator light.

The grain discharge passage 400 is provided with a grain blocking detection element 401, the grain blocking detection element 401 is electrically connected with the grain blocking indicator lamp 109, and a detection result is displayed through the grain blocking indicator lamp 109.

Referring to fig. 6, 7 and 9, the main body part 320 of the rotor 300 has a cylindrical part 321 and an inverted conical top part 322 provided at the cylindrical part. The blades 330 are uniformly disposed on the sidewall of the cylinder part 321. The inverted conical top 322 helps to direct food to fall between the blades 320.

The main body 321 is accommodated in the grain-releasing cylinder 130. Grain enters the grain discharging barrel 130 and is scattered among the blades 330. The lower end of the rotating shaft 310 passes through the central opening 105 and is connected with the driving mechanism 200. The driving mechanism 200 is arranged outside the grain storage chamber 100, so that grains are prevented from falling into the driving mechanism 200 and affecting the operation of the driving mechanism 200.

A positioning hole 140 is arranged in the grain storage chamber 100. Specifically, the positioning hole 140 is disposed on the inclined straight slope 110. The upper end of the rotating shaft 310 is rotatably mounted in the positioning hole 140. Specifically, the upper end of the rotating shaft 310 is further sleeved with a limiting member 311, the limiting member 311 has two wing portions symmetrically arranged, the upper end of the rotating shaft 30 passes through the positioning hole 140, and the rotating shaft is prevented from falling off from the positioning hole 140 by the limiting member 311. This structure makes it is more stable when the rotor rotates, prevents the shake of anti-sticking grain pet feeder.

Referring to fig. 6 and 7, an anti-jamming comb 150 is fixedly arranged in the grain storage chamber 100. The anti-seizing comb 150 has a comb back 151 and comb teeth 152 provided on the comb back, the free ends of the comb teeth 152 facing and approaching the blades 130; when the rotor 300 rotates, the comb teeth 152 block the grains scattered on the blades 130 from passing through, and the grains between the blades 130 are smoothed, so that the grain discharge amount is controlled, the grains are prevented from being jammed, and quantitative feeding is realized.

The middle of the comb back 151 is an arc-shaped portion 153, two sides of the arc-shaped portion 153 extend to form straight portions 154, and the straight portions 154 extend downward to form the comb teeth 152. The flat portion 154 has a triangular cross-section, and the comb teeth 152 are linearly arranged on the flat portion 154, and the angle between the comb teeth 152 and the flat portion 154 is preferably 90-135 °.

Referring to fig. 7 and 8, the straight portion 154 and the inclined ramp 110 are respectively provided with a snap 111 and a snap groove 155, which are engaged with each other, so as to fix the anti-seizing comb 150 under the inclined ramp 110. Specifically, be equipped with the draw-in groove on the straight portion, be equipped with the buckle on the straight slope to one side, the buckle inserts the draw-in groove, thereby will anti-sticking comb is fixed straight portion below. The buckle can be arranged on the straight portion, and the clamping groove is arranged on the inclined straight slope.

The arc-shaped portion 153 of the anti-seizing comb 150 is erected above the main body portion 320 around the rotation shaft 310, so that the comb teeth 152 are distributed on both sides of the main body portion 320. Preferably, the comb teeth 152 are located above the blades 130 at a vertical distance of 3-10mm from the blades 130, thereby preventing the comb teeth 152 from obstructing the rotation of the blades 130.

The grains are accumulated in the grain discharging room 130 and scattered among the blades 330. When the grain is large, the grain is accumulated to have a height exceeding the vane 330. When the driving mechanism 200 drives the rotor 300 to rotate, the blades 330 push the grains to rotate towards the grain outlet channel 400. The anti-sticking comb 150 prevents the grain above the blades 330 from passing through, and smoothes the grain between the blades 130 between two adjacent blades rotating the anti-sticking comb 150, thereby controlling the amount of the released grain. When the grain rotates to the grain outlet channel 400, the grain falls to the outlet 11 through the grain outlet channel 400. This structure realizes the control to the volume of putting out cereal, prevents too much grain card in putting out the grain passageway, realizes the effect of anti-sticking grain.

Referring to fig. 10, 11, 12 and 13, the driving mechanism 200 drives the rotor 300 to rotate. The driving mechanism 200 includes a motor 210, a pulley set 220, a scroll 230, and a turntable assembly 240. The motor 210 drives the pulley set 220, and the pulley set 220 drives the scroll bar 230 to rotate. The scroll 230 rotates the turntable 240. The turntable 240 is connected to and drives the rotor 300 to rotate.

The rotating disc assembly 240 includes a rotating disc 241, a plurality of teeth 242 are disposed around the rotating disc 241, a plurality of engaging cylinders 243 are disposed in the middle of the rotating disc 241, and a plurality of vertical ribs 244 are uniformly disposed in the engaging cylinders 243 along the length thereof. The lower end of the rotating shaft 310 is arranged in a shape of "+". The lower end of the rotating shaft 310 is inserted into the matching cylinder and is clamped between the vertical ribs 244, so that the rotating disc assembly 240 can drive the rotor 300 to rotate when rotating.

The dial 241 is engaged with the scroll 230. Specifically, the scroll 230 is disposed at one side of the rotary plate 241. The casing 10 is provided with a first mounting frame 14 and a second mounting frame 15 at one side of the turntable, respectively, and two ends of the scroll bar 230 are mounted on the first mounting frame 14 and the second mounting frame 15.

A pulley mounting bracket 16 is provided on the bottom surface of the housing 10. The pulley set 220 is mounted on the pulley mount 16. The pulley set 220 includes a first pulley 221, a second pulley 222 and a third pulley 223. The motor 210 is mounted on the bottom surface of the housing 10. The motor 210 drives the first pulley 221 via a first belt 224. The first pulley 221 and the second pulley 222 are connected by an axle 225, and the axle 225 is mounted on the pulley mounting bracket 16. The second pulley 222 and the third pulley 223 drive the third pulley 223 through a second belt 226, and the third pulley 223 is mounted on the scroll 230.

Preferably, a protecting cover 250 is further disposed in the housing 10, and the protecting cover 250 is mounted on the pulley mounting bracket 16 to cover the third pulley 223 and the scroll 230.

The bottom surface of the case 10 is further provided with a vent hole (not shown) for keeping the gas in the case normal to prevent food spoilage.

Referring to fig. 10, a battery compartment 18 is further provided on the housing 10. Batteries are placed in the battery compartment 18 to power the drive mechanism 200. Preferably, the housing 10 is further provided with a USB interface 19, so that a user can select to use a city or an external power source to supply power to the driving mechanism 200.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the invention as defined by the appended claims.

Claims

1. The pet feeder capable of preventing grain from being blocked comprises a shell and a top cover buckled on the top of the shell, wherein an accommodating cavity is formed in the shell, and an outlet is formed in the lower part of the shell; the lower part of the grain storage chamber is provided with a rotatable rotor; the rotor comprises a rotating shaft and a main body part arranged on the rotating shaft, and a plurality of blades are uniformly distributed on the side wall of the main body part; a grain outlet channel is arranged below the blades of the grain storage chamber and is communicated with the outlet; the driving mechanism is connected with and drives the rotor to rotate, so that grains in the grain storage chamber are conveyed to the grain outlet channel and discharged through the outlet;

2. The pet feeder of claim 1, wherein the storage compartment is provided with a residual food detection element, and the housing is provided with an indicator light; the residual grain detection element is electrically connected with the indicator lamp, and the detection result is displayed through the indicator lamp.

3. The pet food jamming prevention feeder of claim 1, wherein an opening is formed in a top of the food storage chamber, the top cover is provided with a sealing groove, a sealing ring is inserted into the sealing groove and is in interference fit with the sealing groove, and when the top cover is fastened to the housing, the sealing ring surrounds a periphery of the opening so as to seal an inner cavity of the food storage chamber and keep food placed in the food storage chamber dry.

4. The anti-jamming pet feeder of claim 1, wherein the top cover has an openable mesh panel, and a desiccant chamber is formed between the mesh panel and the top cover for holding a desiccant.

5. The pet feeder of claim 1, wherein the discharge channel is configured to receive a pet jam detector.

6. The pet food jamming prevention feeder of claim 1, wherein the comb back has an arcuate portion at a middle portion thereof, flat portions extending from opposite sides of the arcuate portion, the flat portions extending downwardly from the comb teeth;

7. The pet feeder of claim 1, wherein the lower portion of the storage chamber has a slow discharge slope and a straight slope, and the bottoms of the straight slope and the slow discharge slope extend downward to form a discharge barrel; the top of the wall of the grain discharging barrel inclines downwards from the inclined straight slope to the blanking gentle slope and is respectively connected with the bottom of the inclined straight slope and the bottom of the blanking gentle slope; the bottom surface of the grain discharging barrel is provided with a central hole; the bottom surface of the barrel is communicated with the grain outlet channel.

8. The pet feeder of claim 7, wherein the body is received in the dispensing canister, and a lower end of the shaft extends through the central opening and is coupled to the drive mechanism;

9. The pet feeder of claim 7, wherein the flat portion has a triangular cross-section, and the flat portion and the inclined straight slope have a snap and a groove respectively, so as to fix the anti-seizing comb under the inclined straight slope.

10. The anti-jamming pet feeder of claim 1, wherein the drive mechanism includes a motor, a pulley set, a worm and a turntable assembly; the motor drives the belt pulley group, and the belt pulley group drives the scroll rod to rotate; the scroll bar drives the turntable to rotate; the rotary disc is connected with and drives the rotor to rotate.

11. The pet food jamming prevention feeder of claim 10, wherein the turntable assembly includes a turntable having teeth on a periphery thereof, a fitting cylinder provided in a middle thereof, and vertical ribs uniformly distributed along a length thereof; the lower end of the rotating shaft is arranged in a shape of a plus; the lower end of the rotating shaft is inserted into the matching barrel and clamped between the vertical ribs, so that the rotating shaft can be driven to rotate when the rotary disc assembly rotates.

12. The pet feeder of claim 11, wherein a micro switch is disposed outside the rotary plate, and a plurality of arrow-shaped trigger portions are uniformly disposed on an outer wall of the engaging cylinder, and the trigger portions rotate along with the rotary plate and are communicated with the micro switch when passing through the micro switch, so as to trigger the next rotation of the rotary plate.

13. The anti-jamming pet feeder of claim 11, wherein the scroll bar is disposed on one side of the turntable and engaged therewith; be equipped with first mounting bracket and second mounting bracket in the casing respectively, the both ends of scroll bar erect have first mounting bracket with on the second mounting bracket.

14. The pet food jamming protection feeder of claim 13, wherein a pulley mount is provided on a bottom surface of the housing, the pulley set being mounted on the pulley mount; the belt pulley set comprises a first belt pulley, a second belt pulley and a third belt pulley; the motor is arranged on the bottom surface of the shell; the motor drives the first belt pulley through a first belt; the first belt pulley is connected with the second belt pulley through a wheel shaft, and the wheel shaft is erected on the mounting frame; the second belt pulley with the third belt pulley passes through a second belt drive the third belt pulley, the third belt pulley is installed on the scroll bar.

15. The pet food jamming prevention feeder of claim 14 wherein a protective cover is further provided within the housing, the protective cover being configured on the pulley mount to cover the third pulley and the worm.

16. The anti-jamming pet feeder of claim 1, wherein the housing further includes a battery compartment, a battery being disposed in the battery compartment to provide power to the drive mechanism.

17. The pet feeder of claim 1, wherein the housing further comprises a USB port, and the driving mechanism is powered by a commercial power or an external power source connected to the USB port.

18. The anti-jamming pet feeder of claim 1, wherein the housing has a side wall and a front side wall, the top cover is snap-fitted to the side wall, and the top cover and the front side wall cooperate to define the receiving cavity.

19. The anti-jamming pet feeder of claim 18, wherein the outlet is disposed at a lower portion of the front sidewall; a food tray is arranged below the outlet and used for receiving the grains released from the outlet.