Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a pet food dispensing device with a cover, which can better control the amount of food discharged each time.
According to an embodiment of the utility model, a pet food dispensing device with a cover comprises:
the grain storage bin is internally provided with a feeding cavity, and the feeding cavity is provided with a grain outlet;
the feeding screw is used for conveying pet food to the food outlet, the feeding screw is arranged in the feeding cavity, and a cam is arranged at one end of the feeding screw, which is close to the food outlet;
the outlet sealing cover is arranged at the grain outlet and is rotationally connected in the grain storage bin, an elastic piece is arranged between the outlet sealing cover and the grain storage bin, and the outlet sealing cover is provided with a driven piece in touch fit with the cam;
after the feeding screw rotates, the cam, the driven piece and the elastic piece are matched to drive the outlet sealing cover to circularly open and close the grain outlet.
According to some embodiments of the utility model, the cam includes a land and a boss fixedly connected to the land, the boss extending in an axial direction of the feed screw.
According to some embodiments of the utility model, the cross section of the protruding part along the height direction of the protruding part is triangular, the protruding part is in arc transition along the top of the protruding part along the height direction of the protruding part, the arc transition is formed at the joint of the protruding part and the connecting disc, and the driven part is cylindrical.
According to some embodiments of the utility model, the feed screw comprises a feed roller and a helical blade fixedly connected to the circumferential outer side of the feed roller;
and an outlet bevel edge which is consistent with the spiral track of the spiral blade is arranged at the grain outlet.
According to some embodiments of the utility model, an outlet seal is arranged on the outer side of the outlet bevel edge, the outlet seal surrounds the outer side of the grain outlet, and the outlet seal cover is connected to the outlet seal in a sealing manner.
According to some embodiments of the utility model, an inclined hopper is arranged in the grain storage bin, a grain delivery channel is formed between the inner bottom surface of the grain storage bin and the inclined hopper, the grain delivery channel is a part of the feeding cavity, and the grain outlet is arranged in the grain delivery channel;
the feeding screw is at least partially positioned in the grain feeding channel.
According to some embodiments of the utility model, the inner bottom surface of the grain storage bin is arranged obliquely, the inner bottom surface forms a high side and a low side which are opposite, and the grain outlet is arranged on the high side;
the feeding screw is obliquely arranged on the inner bottom surface of the grain storage bin, and the inclination of the feeding screw and the inclination of the inner bottom surface of the grain storage bin are the same.
According to some embodiments of the utility model, the height dimension of the grain delivery channel decreases from one end of the grain delivery channel, which is close to the grain outlet, to the other end, which is far away from the grain outlet.
According to some embodiments of the utility model, the feeding screw further comprises a power assembly, wherein the power assembly comprises a motor, and an output end of the motor is connected to the feeding screw.
According to some embodiments of the utility model, a power input hole is formed in one side surface of the grain storage bin, which is close to the lower side of the inner bottom surface, and one end of the feeding screw rod penetrates through the power input hole and is connected with the output end of the motor.
In summary, the pet feeder with the cover provided by the embodiment of the utility model has the following technical effects:
according to this embodiment, this pet feeder possesses two kinds of states, and one is that the export closing cap closes the material state of closing in the department of going out the grain mouth, and two is that the export closing cap opens the ejection of compact state of going out the grain mouth to, this pet feeder close material state and ejection of compact state both can circulate the switching, and then the grain volume of going out under ejection of compact state is controlled. Thus, the grain outlet can be discharged only when the grain outlet is opened, and the grain outlet tends to be consistent every time, so that the grain outlet amount every time can be better controlled. And moreover, the sealing cover can be opened only when the grains are discharged, so that the grains are prevented from being polluted.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
A pet food dispensing device with a cover according to an embodiment of the present utility model is described below with reference to fig. 1-8, and some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, in which the following embodiments and features of the embodiments may be combined without conflict.
The embodiment of the utility model discloses a pet feeder with a sealing cover, which can better control the grain output of each time.
The pet feeder comprises a grain storage bin 1, wherein a feeding cavity 13 is arranged in the grain storage bin 1, and a grain outlet 11 is formed in the feeding cavity 13. In one embodiment, the feeding chamber 13 is located at the position of the inner bottom surface of the grain bin 1.
The pet feeder further comprises a feeding screw rod 2, wherein the feeding screw rod 2 is used for conveying pet grains to the grain outlet 11, the feeding screw rod 2 is arranged in the feeding cavity 13, and a cam 23 is arranged at one end, close to the grain outlet 11, of the feeding screw rod 2. In one embodiment, the feed screw 2 includes a feed roller 21 and a helical blade 22 fixedly attached to the circumferential outer side of the feed roller 21.
The pet feeder further comprises an outlet sealing cover 5, wherein the outlet sealing cover 5 is arranged at the grain outlet 11 in a covering manner and is rotationally connected in the grain storage bin 1, an elastic piece 51 is arranged between the outlet sealing cover 5 and the grain storage bin 1, and the outlet sealing cover 5 is provided with a follower 52 in touch fit with the cam 23 so that the follower 52 moves reciprocally at the highest position and the lowest position of the cam 23; wherein, the feeding screw 2 rotates to drive the outlet cover 5 to circularly open and close the grain outlet 11 through the cooperation of the cam 23, the follower 52 and the elastic piece 51. The click-fit of the follower 52 and the cam 23 means that the follower 52 and the cam 23 are in click-and-slide connection. In one embodiment, the elastic member 51 is provided as a spring or torsion spring.
According to the present embodiment, the pet food dispensing device has two different states, namely, a material closing state that the outlet cover 5 covers the grain outlet 11, refer to fig. 2 and 3; secondly, the outlet cover 5 is opened to discharge the grain outlet 11, and reference is made to fig. 4 and 5. In addition, the material closing state and the discharging state of the pet feeder can be circularly switched, so that the grain discharging amount in the discharging state is controlled. The specific switching principle is as follows:
when the pet feeder is not in use, the pet feeder is in a material closing state, the follower 52 contacts the lowest position of the cam 23 at the moment, the outlet sealing cover 5 covers the grain outlet 11, and the spring is in a compressed state at the moment. When feeding the pet, the user can rotate the feeding screw 2, the feeding screw 2 can drive the cam 23 to rotate, the follower 52 moves to the highest position at the lowest position of the cam 23, when the follower 52 touches the highest position of the cam 23, the outlet cover 5 is enabled to open the grain outlet 11, and the spring is in an unfolding state at the moment. And, the follower 52 can be contacted with the lowest position and the highest position of the cam 23 in a circulating way, so that the outlet cover 5 can cover and open the grain outlet 11 in a circulating way, the grain outlet can be discharged only when the grain outlet 11 is opened, and the grain outlet tends to be consistent each time, so that the grain outlet amount each time can be controlled better. And moreover, the sealing cover can be opened only when the grains are discharged, so that the grains are prevented from being polluted.
Specifically, referring to fig. 2 to 5 and 8, the cam 23 includes a connection plate 231 and a protrusion 232 fixedly connected to the connection plate 231, the protrusion 232 extending in the axial direction of the feed screw 2. It should be noted that, the lowest position of the cam 23 is located on the surface of the connecting disc 231, and the highest position of the cam 23 is located at the end of the protrusion 232 away from the connecting disc 231 and the end is the highest end, so that when the pet feeder is not used, the pet feeder will be in a material closing state, and the follower 52 touches the connecting disc 231 at this moment, so that the outlet cover 5 covers the grain outlet 11. When feeding pets is needed, a user can rotate the feeding screw 2, the feeding screw 2 can drive the cam 23 to rotate, the driven piece 52 moves towards the protruding piece 232 at the connecting disc 231 of the cam 23, when the driven piece 52 touches the protruding piece 232, the outlet sealing cover 5 gradually opens the grain outlet 11, and when the driven piece 52 touches the highest end of the protruding piece 232 far away from the connecting disc 231, the opening caliber of the grain outlet 11 is maximum. And, the follower 52 can be engaged with the coupling disc 231 and the protrusion 232 to allow the outlet cover 5 to cyclically cover and open the outlet 11, so as to achieve better control of the amount of the grains discharged each time.
Referring to fig. 8, the cross section of the protrusion 232 in the height direction thereof is triangular, the protrusion 232 is transited in the top arc in the height direction thereof, the connection between the protrusion 232 and the connection pad 231 is transited in the arc, and the follower 52 is cylindrical. In this embodiment, the height direction of the protruding member 232 refers to the axial direction of the feed screw 2. Thus, when the follower 52 and the boss 232 and the land 231 slide in contact with each other, the frictional force of contact can be reduced, and the sliding can be made smoother.
More specifically, the grain outlet 11 is a cycle from a closed state, a discharging state and a closed state, and the pet feeder can circulate for discharging for a plurality of cycles, wherein each cycle can specifically take the closed state as a starting state, that is, the follower 52 is located at the highest end of the protruding member 232, and the spring is in a compressed state at this moment, and returns to the closed state again after rotating for a cycle.
Further, referring to fig. 7 and 8, the feed screw 2 includes a feed roller 21 and a helical blade 22 fixedly attached to the circumferential outer side of the feed roller 21; the grain outlet 11 is provided with an outlet bevel edge 14 which is consistent with the spiral track of the spiral blade 22, so that the grain outlet 11 can be more attached to the spiral blade 22 on the feeding screw 2 by arranging the outlet bevel edge 14.
Specifically, referring to fig. 7, an outlet sealing member 15 is disposed on the outer side of the outlet bevel 14, and the outlet sealing member 15 is disposed around the outer side of the grain outlet 11, and the outlet sealing cover 5 is hermetically connected to the outlet sealing member 15. In an embodiment, the shape of the outlet cover 5 and the shape of the outlet closure 15 are adapted. In one embodiment, the outlet closure 15 may be embodied as an outlet closure ring, which is adapted to the shape of the outlet 11. Thus, the outlet sealing piece 15 is matched with the outlet sealing cover 5 to better seal the grain outlet 11 and prevent pet grains from falling out.
Further, referring to fig. 2 to 5, the inner bottom surface of the grain storage bin 1 is inclined and forms opposite high and low sides, and a grain outlet 11 is provided at the high side; the feeding screw rod 2 is obliquely arranged on the inner bottom surface of the grain storage bin 1, and the inclination of the feeding screw rod 2 and the inclination of the inner bottom surface of the grain storage bin 1 are the same. Like this, through setting up the interior bottom surface of storing up granary 1 and forming the inclined plane of upward slope, the feeding screw rod 2 that the cooperation upward slope set up can carry pet grain to the grain outlet 11 with the pet grain in the storing up granary 1 from bottom to top, because pet grain itself can receive gravity, can not once only spit more grain under the effect of self gravity when upwards slope carries pet grain to grain outlet 11, can control the play grain volume of pet grain better.
Specifically, referring to fig. 2 to 5, the height dimension of the grain delivery passage 31 decreases from one end of the grain delivery passage 31 itself near the grain outlet 11 to the other end far from the grain outlet 11. Because in the actual process of conveying pet food, the pet food can be piled up in the feeding channel 31, in order to avoid excessive pressure generated by excessive pet food, the height dimension of one end of the feeding channel 31 close to the grain outlet 11 is larger than that of the other end of the feeding channel 31 far away from the grain outlet 11, a funnel-shaped or trapezoid-like structure is formed, which is equivalent to forming a flat pressing cavity in the feeding channel 31, and the pressure of other pet food in the stored food at the inlet of the feeding channel 31 is balanced, so that the pet food conveyed to the grain outlet 11 by the feeding screw 2 is more uniform.
Further, referring to fig. 1-6, the pet food dispensing device further comprises a power assembly, wherein the power assembly comprises a motor 4, and the output end of the motor 4 is connected with the feeding screw 2. Specifically, a power input hole 12 is formed in one side surface, close to the lower side of the inner bottom surface, of the grain bin 1, and one end of the feeding screw 2 penetrates through the power input hole 12 to be connected with the output end of the motor 4. In this way, the motor 4 is used for driving the feeding screw rod 2 to rotate unidirectionally in the correct direction, and the motor 4 can be used for controlling the rotation number of the feeding screw rod 2, so as to control the discharge amount of pet food; or, the timing and quantitative discharging of the pet food can be realized through the motor 4.
Specifically, the number of turns of the motor 4 can be set, for example, when the motor 4 stops rotating after the motor 4 rotates for an integer number of turns, the outlet sealing cover 5 covers the grain outlet 11 at the moment, and the pet feeder is in a closed state, so that the grain outlet 11 of the grain storage bin 1 is kept sealed when the motor 4 stops, and grain particles are prevented from being polluted.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.