CN117223619A - Balanced cat case of pet trip - Google Patents

Abstract

The application discloses a pet traveling balanced cat case which comprises a movable chassis, wherein an outer frame is detachably connected to the movable chassis, the outer frame is formed by connecting the head and the tail of a strip-shaped plate, an inner frame is rotatably connected in the outer frame, an upper rotary table and a lower rotary table are respectively connected to the inner side surfaces of the bottom and the top of the outer frame, the inner frame is formed by connecting the head and the tail of the strip-shaped plate, the outer side surface of the top of the inner frame is connected with the upper rotary table to realize linkage, the outer side surface of the bottom of the inner frame is connected with the lower rotary table to realize linkage, the inner side surface of the left part of the inner frame and the inner side surface of the right part of the inner frame are respectively connected with a left transverse rod and a right transverse rod, the left ring and the right ring are respectively connected to the left outer side surface and the right outer side surface of the middle box, the left ring is sleeved on the transverse rod, the middle box can rotate relative to the inner frame and keep the ground horizontal, and the pet traveling balanced cat case has the technical characteristics of convenient carrying, labor saving, capability of reducing stress reaction of the pet, comfort level and the like.

Description

Balanced cat case of pet trip

Technical Field

The application relates to a cat case, in particular to a balanced cat case for pet travel, and belongs to the field of pet products.

Background

Due to the development of material production, the improvement of living standard of people and the continuous improvement of consumption capability, the number of pet living houses becomes more and more, and the products become richer correspondingly. Pet products with unique, quick, interesting and multi-functional features will be increasingly popular with consumers. The pet cat trip products in the current market are mainly divided into four types according to different expression forms of use scenes, namely: (1) an aircraft tank; (2) hand-held; (3) a draw-bar box; (4) double shoulder type.

(1) Pet cat aviation case of going out

The aviation box type pet travel cat case is mainly applied to pet travel products in scenes such as pets need aviation. Most worry is that most flights check in and are not allowed to carry, because the pet is kept in the boarding pass by itself while boarding, and who does not know what happens inside. The product has relatively large volume and large surface hollow area and rapid air circulation, and because aviation requirements require a certain metal connecting structure and metal materials, the stability of the cat case is ensured, and the characteristics are the most remarkable characteristics of the pet trip product. The limitation of the use scene leads to certain uniqueness of the product, but the product has a single structure, and the problems of shaking caused by external force, stress response to a pet cat and the like are difficult to solve.

(2) Portable pet cat trip product

The portable pet cat traveling cat case is characterized in that the portable handle is additionally arranged at the top of the cat case, the volume is relatively small, the situation that people go out and use the pet cat traveling cat case for daily use is avoided, and the pet cat traveling product is easy to be favored by consumers due to the standardized mass production and the universal characteristic of the product. The basic structure is a slightly flattened hemispherical shape. The pet cat is provided with the high-definition transparent glass window, the visual field of the pet cat is wider, and a user can clearly observe the traveling state of the pet cat. The pet cat with the three-sided punching design can not feel uncomfortable in the cat case due to the fact that air does not circulate. However, the product has obvious disadvantages that the user can generate great physical discomfort under the action of long-time hand-carrying, and the pet cat is easy to generate stress reaction in the shaking process.

(3) Pull rod type pet cat traveling cat case

The cat case of pull rod formula pet trip is to the cat case design of pet trip in-process, and this product is similar to the design of suitcase, and the design of pull rod cooperation universal wheel can the user more easily take the pet trip, still is equipped with the handle simultaneously, and convenient to use person handles more multichamber and goes out the line scene. The design point is that the design of draw-bar box brings certain travelling comfort for the user. However, the design of such pet pull boxes is not fully from the perspective of the pet cat itself, and the existing products do not have a good travel experience for the pet cat.

(4) Double-shoulder pet cat case for pet cat going out

The utility model provides a pair of shoulder formula pet cat trip cat package is a practicality product to pet cat trip, uses less in the house environment, and more service scenario is outdoor, and pair of shoulder formula structural design can be better should outdoor complicated road conditions, and the area pet trip is more free. The high-grade cushioning fabric is lighter, more elastic and more transparent, can adjust the back microenvironment and accords with the ergonomics. However, long-time backpack can lead users to feel tired easily, and the problem of shaking is difficult to solve by the integrated design.

In summary, these four types of pet cat travel products have different characteristics under different use scenarios, but they have a common disadvantage that these types of products lack innovation in balance structures and lack thinking about stress response of pet cats, which is also a main reason why pet cats with small living galls are prone to generate stress response in unfamiliar travel environments. Therefore, research and development have and carry conveniently, use laborsaving, can reduce pet stress, improve pet technical characteristics such as comfort level and go out balanced cat case of pet and be the necessary trend.

Disclosure of Invention

In order to solve the problems in the prior art, the application provides the balanced cat case for the pet travel, which has the technical characteristics of convenience in carrying, labor saving in use, capability of reducing stress response of the pet, improvement of comfort level of the pet and the like.

In order to achieve the above purpose, the present application is realized by the following technical scheme:

the application relates to a pet trip balance cat case which comprises a movable chassis, wherein an outer frame is detachably connected to the movable chassis, the outer frame is formed by connecting head and tail of a strip-shaped plate, an inner frame is rotatably connected to the inner frame, an upper rotary table and a lower rotary table are respectively connected to the inner side surfaces of the bottom and the top of the outer frame, the inner frame is formed by connecting head and tail of the strip-shaped plate, the outer side surface of the top of the inner frame is connected with the upper rotary table to realize linkage, the outer side surface of the bottom of the inner frame is connected with the lower rotary table to realize linkage, the inner side surface of the left part of the inner frame and the inner side surface of the right part of the inner frame are respectively connected with a left transverse rod and a right transverse rod, the left ring is sleeved on the transverse rod and the right ring is sleeved on the right transverse rod, and the middle box can rotate relative to the inner frame and can always keep level with the ground.

Preferably, the bottom of the movable chassis is connected with a plurality of universal wheels, the front end of the movable chassis is hinged with a pull rod, the head of the pull rod is connected with a handle, a notch is formed in the upper surface of the movable chassis, and the pull rod and the handle can be embedded into the notch for storage.

Preferably, the pull rod comprises a plurality of sections of sub pull rods which are nested with each other in sequence so as to realize extension or contraction.

Preferably, a handle is connected to the outer surface of the top of the outer frame.

Preferably, an opening is formed in the front end face of the middle box, a cabin door is connected to the opening in a closing or opening mode, and a first perspective window is connected to the hollowed-out part of the cabin door.

Preferably, the rear end face of the middle box is connected with a second perspective window, the first perspective window and the second perspective window both comprise an upper part and a lower part, and the upper part can be in perspective.

Preferably, the middle box comprises a left side face, a right side face, an upper side face and a lower side face, wherein the upper end and the lower end of the left side face are respectively in transition with the left end of the upper side face and the left end of the lower side face through arc-shaped parts, the upper end and the lower end of the right side face are respectively in transition with the right end of the upper side face and the right end of the lower side face through arc-shaped parts, a ventilation opening is formed in the arc-shaped parts, and a silk screen is arranged in the ventilation opening.

Preferably, a plurality of clamping grooves are formed in the upper end face of the movable chassis, a plurality of buckles are connected to the outer surface of the top of the outer frame, the buckles correspond to the clamping grooves one by one, and the buckles correspond to the clamping grooves in a clamping manner so as to realize detachable connection of the outer frame on the movable chassis.

Preferably, the pull rod is hinged at the front end of the movable chassis through a connecting piece, two shaft holes are formed in the connecting piece, a rotating shaft is arranged in each shaft hole in a penetrating mode, and the two rotating shafts are respectively and rotatably connected at the front ends of the pull rod and the chassis.

The beneficial effects are that: the middle box for placing the cat can be easily dissolved under the action of the gravity and the gyroscope balance principle structure when the middle box is subjected to external shaking force, so that shaking generated when the pet cat goes out is reduced, the purpose of stably going out is achieved, the structure is novel, and the market prospect is wide; the movable chassis is matched with the pull rod and other structures, so that when a user carries a pet cat to go out, the pet going out cat case product can easily cope with daily outdoor going out, and time and labor are saved; starting from the aspects of functional requirements, pet cat stress psychological requirements, travel convenience and the like, the practicality and the innovation of the product are improved, and the pet cat is portable, can be pulled and is flexible in carrying mode.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application.

FIG. 2 is a second schematic diagram of the overall structure of the present application.

Fig. 3 is a disassembled view of the overall structure of the present application.

Fig. 4 is a partially exploded view of the present application.

Fig. 5 is an exploded view of the mobile chassis of the present application.

Fig. 6 is a front view of the present application.

Fig. 7 is a side view of the present application.

Fig. 8 is a top view of the present application.

Fig. 9 is one of the usage patterns of the present application.

FIG. 10 is a second view of the present application.

FIG. 11 is a third view of the present application.

FIG. 12 is a fourth view of the use of the present application.

Fig. 13 is a state diagram of the application using the pull rod.

Fig. 14 is a top view of the present application in a state of using a tie rod.

Fig. 15 is a front view of the present application in a state of using a tie rod.

Fig. 16 is a side view of the present application in a state of using a tie rod.

Detailed Description

The application will be further illustrated with reference to the accompanying drawings 1-16 of the specification, but the application is not limited to the following examples.

Aiming at the problem that some pet travel products exist in the market at present, the application provides a new design scheme of the pet travel products. Aiming at the characteristics of pet cats, and combining with the living habits of the pet cats, the product class of the pet cat travel products is enriched, so that the pet cat travel products are better suitable for pet travel. And finally, the product with stronger balance, more interesting modeling and better meeting the daily household use and stable trip is obtained by combining the user research analysis and the pet cat stress response analysis in the market research. The design takes the balance principle of the two-degree-of-freedom gyroscope as the innovative points of modeling and structural design in terms of modeling and structure, the color of the product takes light orange as the main color, the materials take PP, ABS, transparent frosted glass and metal as the main materials, for example, the inner frame 3, the outer frame 3 and the middle box 8 are made of PP or ABS materials, and the upper rotary disk 4, the lower rotary disk 5, the left transverse rod 6, the right transverse rod 7 and the like are made of metal materials. The multi-directional rotating main body modeling is interesting for the pet cat, and can also cultivate familiarity of the pet to the cat case. The mobile chassis 1 has the biggest characteristics of being capable of helping a user to easily cope with complex travel scenes in long-distance travel, so that the design of the mobile chassis 1 can meet the requirement of free switching matching of consumers in daily families and in the traveling process with pets, and the practicability of products is enhanced.

The pet box based on the gyroscope principle is provided, and is subjected to intensive investigation and detailed analysis aiming at the travel current situation of pets, the existing pet travel products, the user demands of pet owners and the like. Specific: the application solves the problems of the existing products by using the gyroscope balance principle, designs the gyroscope balance principle and applies the gyroscope balance principle to the design of the pet travel products, and explores more possibilities of the pet products in aspects of form, function and beautiful appearance. Starting from the purchasing conditions of purchasing people, the use scene and habit of using pet cat travel products and the like, the behavior characteristics of target people can be better known, and further, the direction and market location are clearly designed, so that the pet cat travel products which meet the requirements of 'excrement shoveling officers' and are suitable for the characteristics of pet cats are made.

(1) Aiming at the physiological and behavioral characteristics of the pet cat, the cat case capable of reducing the travel shake of the pet cat is designed by combining the use habit of the pet owner.

(2) Aiming at the problems of poor playability and interaction of the existing pet cat box and considering the habit of the cat, the cat box capable of simultaneously meeting the traveling and household demands of the pet is designed, and the time for adapting to the pet cat is reduced.

(3) The pet cat is more interesting through innovation of the structure, the interest of the pet cat in the cat box is increased, and the pet cat is familiar with and adapts to the cat box more quickly.

(4) In order to solve the service life problem, the modular design method can be fully utilized except for material and structure considerations, so that the components of the pet cat case in terms of structure and appearance are convenient to replace.

Principle of: the balance principle of the two-degree-of-freedom gyroscope is integrated into the design of the pet travel product, so that the stability of the product can be effectively increased, and the problem that the conventional pet travel product is easy to cause stress response of a pet cat due to the lack of certain product stability is solved. The application makes the product have more possibilities in form, structure and function through the balance principle of the gyroscope. When the stability of the product is improved, the pet cat pet has a good trip experience for' the shovel, so that a pet trip is easier, more pleasant and more safe, and the pet cat can effectively relieve the problems of stress reaction, trip anxiety and the like caused by the trip, so that the construction and development of the pet trip industry can be accelerated, and an innovative thought is provided for trip design products.

The first key frame of the application: when the strength of the pet breeder is relatively weak, the pet breeder is very hard to face in the process of carrying the cat case for a long time; secondly, the second key frame of the application can be more comfortable and convenient for the pet cat to travel in the process of carrying the pet cat; then, in the third key frame of the application, the pet cat traveling box is in the process of lifting and the pet cat is in uncomfortable physiology due to external shaking in the placed carriage, so that the pet cat is extremely easy to generate stress reaction. In the last key frame of the application, the pet cat generates stress reaction due to jolt of one path, and the life safety can be influenced seriously.

For the key frame, as shown in fig. 1-4, a specific embodiment of a balanced cat case for pet trip is shown, this embodiment of balanced cat case for pet trip includes a mobile chassis 1, be connected with frame 2 on the mobile chassis 1, frame 2 is formed by the connection of strip-shaped board head and tail, rotatable being connected with inside casing 3 in the frame 2, be connected with carousel 4, lower carousel 5 respectively on the medial surface of frame 2 bottom and top, inside casing 3 is formed by connection of strip-shaped board head and tail, the lateral surface at inside casing 3 top is connected with carousel 4 in order to realize the linkage, the lateral surface of inside casing 3 bottom is connected with carousel 5 down in order to realize the linkage, be connected with left transverse rod 6, right transverse rod 7 respectively on the medial surface at inside casing 3 left part and the medial surface at right part, be connected with left ring 9 and right ring 10 respectively on the lateral surface of middle casing 8, left ring 9 cover is established on the transverse rod and right ring 10 is established and can rotate for the middle casing 8 all the time with the horizontal casing 8.

According to the application, through preliminary analysis of a two-degree-of-freedom gyroscope balance principle, the gyroscope balance principle can be applied to the design of pet cat travel products, a cat box (a middle box 8) is hung on two sides of an inner frame 3, the middle box 8 can rotate relative to the inner frame 3, the outer side surface of the top of the inner frame 3 is connected with an upper rotary table 4 to realize linkage, the outer side surface of the bottom of the inner frame 3 is connected with a lower rotary table 5 to realize linkage, because the weight of the middle box 8 is not easy to shake and incline left and right, the middle box 8 can always keep level with the ground, and the principle is that: on its internal rotation square ring (i.e. inner frame 3), a larger external rotation square ring (i.e. outer frame 2) is added on this basis, and through hanging the internal rotation square ring in the middle box 8, on the longitudinal horizontal intersection point with the external rotation square ring, it is connected with the rotation axis or other rotation structure, and make the shaft hole of the inner and outer two rings perpendicular to the axis, its contained angle is 90 °, and along with the gravity center action of middle box 8 and pet cat, no matter how the cat box is rocked in the trip process, the middle cat box can always be steadily upward. Can use as normal cat case in ordinary life, combine balanced cat case and mobile chassis 1 when needs go out, can easily deal with outdoor complicated road surface, steady trip can reduce cat and shake at the trip in-process, and the mood of peace cat, the production of significantly reducing stress, and then solve the realistic problem of pet trip, further promote user experience. Structurally, connectivity of the product is enhanced, and the balance principle of the two-degree-of-freedom gyroscope is reasonably combined with the cat case; secondly, the modeling of well case 8 part has adopted more circular arc design, and this will be great promotes the inside space of box for pet cat is bigger in the inside activity space of well case 8, has also promoted the travelling comfort of cat incasement portion when reducing certain rocking. The overall modeling of the cat case becomes more integrated and accords with the traveling scene better. Moreover, the positions and forms of the ventilation holes are adjusted by pushing and knocking the details of the product, and a plurality of groups of forms are adopted, so that the ventilation property of the cat case is ensured, and the product is more attractive in visual angle feeling. Finally, considering the use scene, a plurality of universal wheels 11 are designed at the bottom of the mobile chassis 1, so that not only can household use be met, but also the use experience of traveling can be improved, and the functionality of products is well improved.

The bottom of the mobile chassis 1 is connected with a plurality of universal wheels 11, the front end of the mobile chassis 1 is hinged with a pull rod 12, the head of the pull rod 12 is connected with a handle 13, a notch is formed in the upper surface of the mobile chassis 1, and the pull rod 12 and the handle 13 can be embedded into the notch for storage. The pull rod 12 comprises a plurality of sections of sub pull rods which are nested with each other in sequence to realize extension or contraction. A handle 14 is connected to the outer surface of the top of the outer frame 2. An opening is formed in the front end face of the middle box 8, a cabin door 15 is connected to the opening in a closing or opening mode, and a first perspective window 16 is connected to the hollowed-out portion of the cabin door 15. The rear end face of the middle box 8 is connected with a second perspective window, and the first perspective window 16 and the second perspective window both comprise an upper part and a lower part, and the upper part can be in perspective. The middle box 8 comprises a left side face, a right side face, an upper side face and a lower side face, wherein the upper end and the lower end of the left side face are respectively in arc-shaped portion transition with the left end of the upper side face and the left end of the lower side face, the upper end and the lower end of the right side face are respectively in arc-shaped portion transition with the right end of the upper side face and the right end of the lower side face, a ventilation opening is formed in the arc-shaped portion, and a silk screen is arranged in the ventilation opening.

Further gist of the present application:

firstly, the product adopts the design of the round pet middle box 8 to and the inside and outside rotating frame (inside casing 3, frame 2) of big chamfer, has promoted the activity space of pet cat in the box in the at utmost, and the inside and outside rotating frame of big chamfer not only is more suitable for rotatory structural style also more suitable holistic molding moreover, makes the product more integrative, and the design of this structure can alleviate the pet cat effectively at the trip in-process, leads to dizziness scheduling problem because of rocking that external strength produced. Effectively reduces the occurrence of stress response of the pet cat from the physical aspect.

The second is that perspective window 16, no. two perspective windows adopt the circular big dull polish glass window designs of runway, have also reduced the influence of outside strange environment to the interior pet cat of class when guaranteeing certain daylighting, effectively avoid the pet cat to its influence to outside strange environment in the trip in vision to reduce the sensitivity of pet cat.

Thirdly, the product detail design, the inside of the middle box 8 is provided with a plurality of runway circular air holes, and the perforation of the pattern enables the product to be more integrated, so that the product is more attractive and has more product feel under the condition of guaranteeing the ventilation function of the box body.

Fourth, the mobile chassis 1 is designed, and the module is designed under the condition of restoring the real use scene and is convenient for the user to travel. The mobile chassis 1 is provided with a hidden shrinkage pull rod 12, and the bottom is provided with four semi-hidden universal wheels 11, so that a user can easily deal with outdoor travel scenes.

The basic balance principle of the product is that the cat box (middle box 8) is hung in a large flat ring and a small flat ring, and two rotating shafts are arranged at the transverse level with the inner flat ring, so that the cat box (middle box 8) cannot shake back and forth due to the dead weight. The inner flat ring (inner frame 3) and the outer flat ring (outer frame 2) are horizontally connected with two rotating shafts longitudinally, so that the angle between the inner flat ring and the axis is kept at 90 degrees, and the middle box 8 can keep stable along with the gravity center no matter how the cat box shakes when moving.

The pet is used in a pet-carrying out environment: according to the difference of trip scene, at first, the short distance trip, the user can put into the pet cat and close good cat chamber door, then directly takes the pet trip through the handle 14 at cat case top, and the balanced structure of product makes cat case keep steady along with cat case centrobaric effect. Moreover, the pet cat is put into the cat case by the user and the cat case door is closed, then the balanced cat case is matched with the movable chassis 1, the pull rod 12 embedded in the bottom plate is pulled open, the handle 13 is adjusted to a proper height, and the cat case can be towed for traveling, so that time and labor are saved. The cat case also can balance the structure and solve outside shaking force because of the effect of gravity in the towing process, makes cat case middle part remain steady state throughout. Let pet cat have a relatively comfortable trip environment, promoted the life experience of taking the pet trip greatly.

First is hatch door detail show, and the hatch door 15 of cat case can 90 outwards open, and pet cat gets in and out conveniently, and hatch door part adopts PP material and transparent frosted glass's combination, and pet cat is wider in inside field of vision.

The second is rotation angle, and middle box 8 can 360 rotations around the rotation axis in the upper middle part cat case of level ground, and the condition of pet cat in the case is observed in the instant to "shovel excrement officer" of being convenient for.

Thirdly, the movable chassis 1, wherein the top and the bottom of the movable chassis 1 are respectively provided with an embedded pull rod and a semi-hidden universal wheel.

Fourthly, the detail of cat case back demonstrates, and the sign of product can paste at cat case back, and its back multilayer layering, a plurality of tiny bleeder vents of evenly distributed on its back layering have also promoted the gas permeability of product when increasing the product sense, guarantee the circulation of air.

The fifth cabin door 15 and the middle box 8 can be fixed with a switch through a buckle, if the cabin door is closed, the cabin door can be opened only by sliding the sliding switch rightwards, and the mechanical buckle is designed to enable a user to use the cabin door more safely and conveniently.

In a preferred embodiment, the upper end surface of the mobile chassis 1 is provided with a plurality of clamping grooves, the outer surface of the top of the outer frame 2 is connected with a plurality of buckles 19, the buckles 19 are in one-to-one correspondence with the clamping grooves, and the buckles 19 are correspondingly clamped with the clamping grooves so as to realize detachable connection of the outer frame 2 on the mobile chassis 1.

The groove is provided with a groove, and the buckle 19 is a hook which can deform to a certain extent. The buckle 19 is matched with the clamping groove in size, and the connection can be realized by hooking the groove through the hook. The structure of the buckle 19 and the clamping groove is not particularly limited, so long as the detachable connection can be satisfied.

In the preferred embodiment, the pull rod 12 is hinged at the front end of the mobile chassis 1 through a connecting piece 17, two shaft holes are formed in the connecting piece 17, a rotating shaft 18 is arranged in each shaft hole in a penetrating mode, the two rotating shafts 18 are respectively and rotatably connected at the front ends of the pull rod 12 and the chassis, and the structure of the connecting piece 17 is not limited as long as the structure can meet the requirement of a hinged structure.

Finally, it should be noted that the application is not limited to the above embodiments, but that many variants are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present application.

Claims (9)

1. The utility model provides a balanced cat case of pet trip which characterized in that: including removing chassis (1), it is connected with frame (2) to remove on chassis (1) detachable, frame (2) are formed by strip head and tail connection, rotatable in frame (2) is connected with inside casing (3), be connected with carousel (4) respectively on the medial surface at frame (2) bottom and top, carousel (5) down, inside casing (3) are formed by strip head and tail connection, the lateral surface at inside casing (3) top is connected with last carousel (4) in order to realize the linkage, the lateral surface at inside casing (3) bottom is connected with carousel (5) down in order to realize the linkage, be connected with left transverse rod (6) respectively on the medial surface at inside casing (3) left part and the medial surface at right part, right transverse rod (7) respectively on the lateral surface of outside casing (8) are connected with left ring (9) and right ring (10) respectively, left side ring (9) cover is established on right transverse rod and right ring (10) and can be kept horizontal with inside casing (8) all the time, can rotate in order to keep horizontal casing (8) for horizontal.

2. The balanced pet litter box of claim 1, wherein: the bottom of remove chassis (1) is connected with a plurality of universal wheels (11), the front end of removing chassis (1) articulates there is pull rod (12), pull rod (12) head is connected with handle (13), the notch has been seted up on the top of removing chassis (1), pull rod (12), handle (13) can be embedded in the notch accomodate.

3. A balanced pet litter box as claimed in claim 2, wherein: the pull rod (12) comprises a plurality of sections of sub pull rods which are nested with each other in sequence so as to realize extension or contraction.

4. A pet trip balanced cat case according to claim 1 or 2 or 3, characterized in that: the outer surface of the top of the outer frame (2) is connected with a handle (14).

5. The balanced pet litter box of claim 1, wherein: an opening is formed in the front end face of the middle box (8), a cabin door (15) is connected to the opening in a closing or opening mode, and a first perspective window (16) is connected to the hollowed-out portion of the cabin door (15).

6. The balanced pet litter box of claim 5 wherein: the rear end face of the middle box (8) is connected with a second perspective window, the first perspective window (16) and the second perspective window both comprise an upper part and a lower part, and the upper part can be in perspective.

7. The balanced pet litter box of claim 1, wherein: the middle box (8) comprises a left side face, a right side face, an upper side face and a lower side face, wherein the upper end and the lower end of the left side face are respectively in arc-shaped portion transition with the left end of the upper side face and the left end of the lower side face, the upper end and the lower end of the right side face are respectively in arc-shaped portion transition with the right end of the upper side face and the right end of the lower side face, a ventilation opening is formed in the arc-shaped portion, and a silk screen is arranged in the ventilation opening.

8. The balanced pet litter box of claim 1, wherein: a plurality of clamping grooves are formed in the upper end face of the movable chassis (1), a plurality of buckles (19) are connected to the outer surface of the top of the outer frame (2), the buckles (19) correspond to the clamping grooves one by one, and the buckles (19) are correspondingly clamped with the clamping grooves to realize detachable connection of the outer frame (2) on the movable chassis (1).

9. A balanced pet litter box as claimed in claim 2, wherein: the pull rod (12) is hinged to the front end of the movable chassis (1) through a connecting piece (17), two shaft holes are formed in the connecting piece (17), a rotating shaft (18) is arranged in each shaft hole in a penetrating mode, and the two rotating shafts (18) are respectively and rotatably connected to the pull rod (12) and the front end of the chassis.