CN212130865U

CN212130865U - Chassis and air outlet device

Info

Publication number: CN212130865U
Application number: CN202020389988.6U
Authority: CN
Inventors: 罗龙翊; 彭必成; 侯剑飞; 莫贤乐; 柳智; 王伟; 梁刚; 梁解
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-11
Anticipated expiration: 2030-03-24

Abstract

The utility model provides a chassis and air-out device, include: a bottom case; the casters are arranged on the bottom shell, the casters are positioned at the vertex positions of the regular polygon, and the number of sides of the regular polygon is more than or equal to 5. The utility model discloses in, a plurality of truckles are in regular polygon's summit position, consequently can carry out more even distribution to the pressure that the chassis bore. Meanwhile, the number of the sides of the regular polygon formed by the caster wheels is more than or equal to 5, so that the diameter of the bottom shell can be reduced on the basis of ensuring enough anti-tilting performance, the cost is favorably controlled, and subsequent operations such as transportation and packaging are also conveniently carried out.

Description

Chassis and air outlet device

Technical Field

The utility model relates to an air-out technical field, concretely relates to better air-out device of anti-toppling performance.

Background

The air-out device is common domestic appliance in life such as tower fan, air purifier, floor fan equipment. The air outlet device enables indoor air and outdoor air to form a three-dimensional exchange system according to the air flow principle.

In the air outlet device in the prior art, due to the fact that the mass and the size of different part structures are different, assembly relations are different, the gravity center position of a whole air outlet device product is not located on the geometric gravity center of the air outlet device product, and the anti-toppling capacity of the product is reduced due to the deviated gravity center. In order to improve the anti-toppling capability of the air outlet device, the problem of insufficient anti-toppling capability caused by gravity center deviation can be solved by increasing the size of the chassis, and a series of problems such as material, packaging waste, reduction of the loading amount and the like can be caused by the overlarge chassis.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the air-out device among the prior art and leading to the too big defect of chassis size for improving anti-toppling ability.

Therefore, the utility model provides a chassis, include: a bottom case; the casters are arranged on the bottom shell, the casters are positioned at the vertex positions of the regular polygon, and the number of sides of the regular polygon is more than or equal to 5.

The utility model provides a chassis, be provided with the back shaft on the drain pan, the truckle is connected on the back shaft.

The utility model provides a chassis, the one end of back shaft is connected to the truckle, back shaft other end detachably connects on the drain pan.

The utility model provides a chassis, be provided with the connecting hole on the drain pan, the inside screw thread that is provided with of connecting hole, the back shaft passes through threaded connection and is in the connecting hole.

The utility model provides a chassis, regular polygon's limit number is 6.

The utility model provides a chassis, be provided with the balancing weight on the drain pan.

The utility model provides a chassis, be provided with the connecting hole on the drain pan, be provided with on the balancing weight with the corresponding through-hole of connecting hole, the connecting piece passes through the through-hole with the connecting hole is connected.

The utility model provides a chassis, be provided with a plurality of truckle portion of holding on the balancing weight.

The utility model discloses provide an air-out device simultaneously, include: the utility model provides a chassis, a plurality of truckle setting are in the truckle portion of holding on chassis. The air outlet device is a tower fan.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a chassis, include: a bottom case; the casters are arranged on the bottom shell, the casters are positioned at the vertex positions of the regular polygon, and the number of sides of the regular polygon is more than or equal to 5.

The utility model discloses in, a plurality of truckles are in regular polygon's summit position, consequently can carry out more even distribution to the pressure that the chassis bore. Meanwhile, the number of the sides of the regular polygon formed by the caster wheels is more than or equal to 5, so that the diameter of the bottom shell can be reduced on the basis of ensuring enough anti-tilting performance, the cost is favorably controlled, and subsequent operations such as transportation and packaging are also conveniently carried out.

2. The utility model provides a chassis, be provided with the back shaft on the drain pan, the truckle is connected on the back shaft. Through setting up the back shaft, the operation is dismantled to the truckle to the convenience.

3. The utility model provides a chassis, be provided with a plurality of through-hole on the balancing weight, be provided with on the drain pan a plurality of with the corresponding connecting hole of through-hole, the connecting piece passes through the through-hole with the connecting hole is connected.

Through the combination of through-hole and connecting hole, can realize the stable connection between drain pan and the balancing weight to can realize the stability of structures such as tower fan that should the chassis in the motion process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the chassis provided by the present invention.

Description of reference numerals:

1-a bottom shell; 2-a balancing weight; 3-a caster receiving portion; 4-a caster; 5-step; 6-through holes; 7-a hollowed-out portion; 8-a wiring groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a chassis, as shown in fig. 1, including: a bottom case 1; the counterweight block 2 is arranged on the bottom shell 1, and a plurality of caster accommodating parts 3 are arranged on the counterweight block 2; and a plurality of casters 4 disposed in the caster receiving portion 3, wherein the plurality of casters 4 are located at vertices of a regular polygon, and the number of sides of the regular polygon is greater than or equal to 5, and as a preferred embodiment, the number of sides of the regular polygon is 6 in the present embodiment.

In this embodiment, the casters 4 are located at the vertices of a regular polygon, so that the pressure applied to the chassis can be more uniformly distributed. Meanwhile, since the number of sides of the regular polygon formed by the caster 4 is 5 or more, the diameter of the bottom case 1 can be reduced while ensuring sufficient anti-toppling performance, thereby contributing to cost control. Meanwhile, due to the adoption of the special-shaped design of the balancing weight 2, the gravity center is basically on the central axis under the condition of each inclination angle, and the inclination stability is ensured.

In this embodiment, as a preferred embodiment, the number of sides of the regular polygon is controlled to six, which can provide stable anti-tilting performance, and also avoid the problem of cost increase when the number of casters 4 is too large.

In the chassis provided in this embodiment, the caster receiving portion 3 is disposed in a semicircular shape. By providing the semi-circular caster receiving portion 3, the caster 4 itself can be smoothly rotated in the caster receiving portion 3. Thereby improving the smoothness of the caster 4 during rotation.

As a modification, the caster receiving portion 3 itself may take other shapes, such as an oval shape, as long as it can be ensured that the caster 4 does not scrape or rub against the caster receiving portion 3 during the rotation.

In the chassis provided by this embodiment, one end of a supporting shaft is connected to the caster 4, and the other end of the supporting shaft is detachably connected to the bottom shell 1.

Specifically, the one end of back shaft is passed through the screw thread and is installed on drain pan 1, is provided with the draw-in groove at the other end of back shaft, in truckle 4 self imbeds the draw-in groove to realize the rotation of truckle 4 relative back shaft. The support shaft itself may be made of plastic or metal.

In the chassis provided in this embodiment, as shown in fig. 1, a step 5 extending toward the center of the counterweight block 2 is provided in the caster receiving portion 3, and an end of the supporting shaft is flush with the step 5. Step 5 self has certain height, through setting up step 5 for can form the space that holds the back shaft, simultaneously because step 5 self extends to balancing weight 2 center, consequently extend the region that produces and can form the space that holds truckle 4.

In the chassis provided by this embodiment, a plurality of through holes 6 are provided on the balancing weight, a plurality of connecting holes corresponding to the through holes 6 are provided on the bottom shell 1, and the connecting member passes through the through holes 6 and is connected with the connecting holes. Specifically, the connecting hole and the connecting piece are both provided with threads.

In the chassis provided in this embodiment, the connection hole is provided between two adjacent caster receiving portions 3. The connecting lines of the connecting holes are circularly arranged. Thereby, stress concentration formed on the chassis after the chassis and the balancing weight 2 are assembled can be avoided.

In the chassis provided by this embodiment, a hollow portion 7 is disposed on one side of the center of the counterweight block 2, and a connection line between the center of the hollow portion 7 and the center of the counterweight block 2 is perpendicular to a connection line between the corresponding two casters 4.

Through setting up fretwork portion 7, control simultaneously the line in the center of fretwork portion 7 with the center of balancing weight 2, with corresponding two the line of truckle 4 is mutually perpendicular for final balancing weight 2's focus falls on balancing weight 2's axis of gravity, thereby can effectively improve anti ability of empting.

Specifically, the hollow portion 7 itself is rectangular, and as a modification, the hollow portion 7 itself may adopt other shapes, such as a circle, an ellipse, and the like, which is not limited in this embodiment.

In the chassis provided by this embodiment, a routing groove 8 is provided at one side of the hollow portion 7 opposite to the center of the counterweight block 2.

Example 2

This embodiment provides an air-out device, includes: the chassis provided in example 1. In this embodiment, the bottom shell of the chassis and the shell of the tower fan are integrally formed, and the shell is provided with an air outlet and other structures.

In this embodiment, the air-out device is the tower fan. As a modification, the air outlet device may be an air purifier, a floor fan, or other equipment, and any structure provided with an air outlet and a fan inside is included in the air outlet device in this embodiment.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A chassis, comprising:

a bottom shell (1);

the caster wheels (4) are arranged on the bottom shell (1), the caster wheels (4) are positioned at the vertex positions of a regular polygon, and the number of sides of the regular polygon is more than or equal to 5.

2. Chassis according to claim 1, characterized in that said bottom shell (1) is provided with supporting shafts on which said caster wheels (4) are connected.

3. The chassis according to claim 2, characterized in that said caster (4) is connected to one end of a supporting shaft, the other end of which is removably connected to said bottom shell (1).

4. The chassis according to claim 3, wherein the bottom shell (1) is provided with a connecting hole, the connecting hole is internally provided with threads, and the supporting shaft is connected in the connecting hole through threads.

5. The chassis of claim 4, wherein the number of sides of the regular polygon is 6.

6. Chassis according to claim 4, characterized in that a counterweight (2) is provided on the bottom shell (1).

7. The chassis of claim 6, characterized in that the counterweight (2) is provided with a through hole (6) corresponding to the connecting hole, and the connecting piece is connected with the connecting hole through the through hole (6).

8. Chassis according to claim 6, characterized in that a number of caster receiving portions (3) are provided on the counterweight (2).

9. The utility model provides an air-out device which characterized in that includes: the chassis of any of claims 1-8, provided with caster receiving portions (3).

10. The wind outlet device of claim 9, wherein the wind outlet device is a tower fan.