CN110068126B

CN110068126B - Air conditioner shell and air conditioner

Info

Publication number: CN110068126B
Application number: CN201910455919.2A
Authority: CN
Inventors: 陈明侠; 钱国华; 秦宪; 冷晓刚
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2024-07-02
Anticipated expiration: 2039-05-29
Also published as: CN110068126A

Abstract

The invention provides an air conditioner shell and an air conditioner, wherein the air conditioner shell comprises a shell and a grid, a plug pin is arranged at the edge of the side edge of the grid, a jack matched with the plug pin is arranged on the shell, the plug pin is in plug-in fit with the jack so as to fix the grid on the shell, and the holes of a plurality of plug holes positioned on the same side edge or two adjacent sides of the grid are gradually increased along with the plug-in sequence of the plug pin. According to the air conditioner shell, the structure of the jack is optimized, so that the jack meets the installation requirement, path interference of the grille during loading and unloading is avoided, and the assembly difficulty of the air conditioner shell is reduced.

Description

Air conditioner shell and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner shell and an air conditioner.

Background

The grille of a mobile air conditioner is usually fixed on the shell of the air conditioner shell, and a filter screen is arranged on the inner side of the grille, and the filter screen is full of dust after being used for a period of time. Considering that a user needs to clean the filter screen regularly, the grille is generally detachably connected in a clamping, inserting or screw connection mode. The prior mobile air conditioner does not normally design the bolt distribution and the corresponding hole site gap on the housing grid, so that the grid is easy to interfere in a path during loading and unloading, certain difficulty is caused in assembly, and more assembly time is spent.

Disclosure of Invention

The invention aims to solve the problems that: the bolt distribution and the corresponding hole site gap on the prior air conditioner shell grille are not subjected to standard design, so that the assembly is difficult.

In order to solve the problems, the invention provides an air conditioner shell, which comprises a shell and a grid, wherein a plug pin is arranged at the edge of the side edge of the grid, a jack matched with the plug pin is arranged on the shell, the plug pin is in plug-in fit with the jack so as to fix the grid on the shell, and the holes of a plurality of plug holes positioned on the same side edge or adjacent side edges of the grid are gradually increased along with the plug-in sequence of the plug pin. Through optimizing the structure of jack for the jack satisfies the installation demand, avoids the grid to appear the route when loading and unloading to interfere, has reduced the assembly degree of difficulty of air conditioner shell.

Optionally, the hole C of the jack corresponds to the following relation:

Cn≥k(n+1)A+B

Wherein A is the width of the bolt; k is a width coefficient, and the range of k is 0.4-0.6; b is a standard gap between the plug pin and the jack after the plug pin and the jack are plugged; c is the hole of the jack; n is the number of the bolts, and according to the installation sequence of a plurality of sides of the grille, the spatial position codes of jacks sequentially inserted with the bolts are defined as: 1. 2,3 … n. Through setting the relation between the hole C of the jack and the bolt width A, the width coefficient k, the standard clearance B and the bolt number n, the holes of the jacks at different positions can be preset according to each parameter condition and the grid installation mode, so that the condition that the grid is unstable to install or difficult to install is avoided when the grid is assembled and disassembled.

Optionally, the standard clearance B ranges from: b is more than or equal to 0.4mm and less than or equal to 2mm. In the range, the production assembly condition cannot be met due to small gaps, the plugging looseness caused by overlarge gaps is avoided, and the assembly effect of the plug pin and the jack is good.

Optionally, the range of the bolt width a is: a is more than or equal to 8mm and less than or equal to 20mm, in the range, the connection between the grille and the shell is the most stable, and the whole structural strength of the air conditioner is not reduced.

Optionally, the distance between two adjacent bolts on the same side is L1, and L1 is more than or equal to 80mm and less than or equal to 150mm. Through optimizing the distribution position of bolt for the grid is more firm with the connection of casing, when guaranteeing the installation stability of grid and casing, does not improve the assembly degree of difficulty.

Optionally, the length of bolt is not less than the degree of depth of jack, better assurance bolt and jack's connection stability.

Optionally, a clamping hole is further formed in the edge of the side edge of the grid, and the clamping hole is matched with a clamping block arranged on the filter screen in a clamping manner, so that the filter screen is fixed on the grid. The filter screen is prevented from shielding part of the air inlet, so that the air inlet area is increased; meanwhile, the filter screen is reduced from being exposed, and the overall aesthetic degree of the product is improved.

Optionally, the pins and the clamping holes on the same side are arranged at intervals. The connection stability among the grille, the filter screen and the shell is improved.

Optionally, the shell comprises a rear cover shell and a connecting part surrounding the periphery of the rear cover shell, and the rear cover shell is connected with the grille. The front aesthetic degree of the air conditioner is improved, and the modeling and demolding requirements of the air conditioner are met.

Optionally, a handle is disposed on the side of the grille, and an operation distance suitable for disassembling the grille is provided between the handle and the connecting portion. The position between the buckling handle and the connecting part is limited, so that a user can apply force to the buckling handle conveniently, and the filter screen is detached more simply and easily.

Optionally, the handle protrudes outwards relative to the grille, the minimum distance between the handle and the connecting part is D, and D is more than or equal to 15mm and less than or equal to 25mm. In the distance range, the user can apply force to the buckling hand, and meanwhile the stability of the shell structure is not affected.

Another object of the present invention is to provide an air conditioner, which solves the problem of difficult assembly caused by the fact that the pin distribution and the corresponding hole site gaps on the grille of the existing air conditioner casing are not regularly designed.

In order to solve the problems, the technical scheme of the invention is realized as follows:

An air conditioner comprises the air conditioner shell. The air conditioner has the same advantages as the air conditioner casing compared with the prior art, and the description is omitted herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of an air conditioner case according to the present invention;

FIG. 2 is a second schematic view of an air conditioner case according to the present invention;

FIG. 3 is a schematic view of a grid according to the present invention;

FIG. 4 is a schematic view of a housing according to the present invention;

FIG. 5 is a schematic view of a filter screen according to the present invention;

FIG. 6 is a schematic view of a partial construction of the grid and housing assembly of the present invention;

Fig. 7 is a schematic diagram of an assembly structure of a first buckle and a second buckle according to the present invention.

Reference numerals illustrate:

1-casing, 101-back housing, 102-connecting portion, 11-second buckle, 111-second protruding portion, 112-second inclined plane, 113-second buckle body, 12-jack, 13-air intake, 14-air intake support, 15-second screw hole, 2-grille, 20-bridging structure, 21-first buckle, 211-first buckle body, 212-first protruding portion, 213-first inclined plane, 22-bridging portion, 221-first through hole, 222-second through hole, 23-bolt, 24-clamping hole, 25-first screw hole, 26-buckle, 3-filter screen, 31-clamping block.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In addition, the description of the orientation of the embodiments will be briefly described: the following directions or positional relationships indicated in references to "front", "rear", "upper", "lower", "left", "right", etc. of each structural member refer to the orientations or positional relationships shown in the drawings; the positional relationships "top" and "bottom" are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the embodiment of the present invention, please refer to the coordinates shown in fig. 1, in which the panel of the air conditioner in the normal working state is the back, the opposite side is the front (i.e. the front of the panel of the air conditioner in the air supply outlet), and the three-dimensional directions of front, back, left, right, up and down are defined based on this. In the embodiment of the invention, the inner side is the side close to the internal structure of the air conditioner, and the outer side is the side close to the indoor environment.

Most of the prior air conditioner housings and grids are connected through plug connection, when the grids are assembled on the housings, if the positions of the plug connection structures are not optimally limited, the requirements of the rotation radius of the installation cannot be met, so that path interference is easy to occur when the grids are assembled and disassembled, a certain difficulty is caused in assembly, and more assembly time is likely to be spent.

In order to solve the problems, the embodiment of the invention provides an air conditioner shell, which reduces design risk and reduces assembling difficulty of a grid and a shell by optimizing an inserting structure and an arrangement mode on the shell.

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1, an air conditioner casing comprises a casing 1 and a grille 2, wherein a plug pin 23 is arranged at the edge of the side edge of the grille 2, a jack 12 matched with the plug pin 23 is arranged on the casing 1, and the plug pin 23 is in plug-in fit with the jack 12 so as to fix the grille 2 on the casing 1; the apertures of the plurality of receptacles 12 on the same side or on adjacent sides of the grille 2 progressively increase in sequence with the mating latch 23. Through optimizing the structure of jack for the jack satisfies the installation demand, avoids the grid to appear the route when loading and unloading to interfere, has reduced the assembly degree of difficulty of air conditioner shell.

The shell 1 is a rear shell of an air conditioner, an air inlet 13 for air inlet is formed in the shell 1, an air inlet bracket 14 is arranged at the air inlet 13, and the grille 2 is assembled on the air inlet bracket 14; the filter screen 3 is assembled on the inner side surface of the grille 2 and is positioned between the air inlet bracket 14 and the grille 2. The grille 2 of the embodiment of the invention is of an L-shaped structure, and correspondingly, the filter screen 3 and the air inlet bracket 14 are of an L-shaped structure matched with the grille 2. The part of the grating 2 corresponding to the long side of the L-shaped structure is positioned at the rear side of the shell 1 and is called a rear grating; the part of the grid 2 corresponding to the short side of the L-shaped structure is positioned on the right side of the shell 1 and is called a right grid.

The grid 2 is of an L-shaped structure, and needs to be installed surface by surface in the process of assembling with the housing 1, so that a torsional radius is generated in the process of installation, and along with the increase of the bolts 23 inserted into the jacks 12, namely the increase of the connection area of the grid 2 and the housing 1, the torsional radius is gradually increased, and if the holes of the jacks 12 are all the same, two conditions can occur:

One is that the hole of the jack 12 is larger, the rotation radius of the grid 2 assembly is met, and the last plug 23 can be smoothly inserted into the jack 12; however, in this state, the hole of the jack 12 is larger than the width of the pin 23 inserted into the jack 12, the gap between the pin 23 and the inner wall of the jack 12 may be larger than the standard gap, and the pin 23 is easy to move in the jack 12, so that the connection between the pin 23 and the jack 12 is unstable, and the connection reliability of the grid 2 and the housing 1 is reduced.

Alternatively, if the hole of the jack 12 is matched with the first inserted pin 23 to satisfy the assembly stability, the last inserted pin 23 inserted into the jack 12 may interfere with the path under the action of the radius of rotation, and may be difficult to insert due to too small hole of the jack 12, and cannot be inserted.

According to the embodiment of the invention, the holes of the jacks 12 are limited, the jacks 12 at different positions are corresponding to the assembling sequence of the grille 2, and the holes of the jacks 12 at different positions are different and gradually increased along with the assembling sequence; the arrangement can meet the installation requirement, avoids path interference of the grille during loading and unloading, and reduces the assembly difficulty of the air conditioner shell. Of course, the grille 2 may have other shapes, if the grille 2 has too many sides and too many pins, then, with the installation sequence, the holes of the jack 12 become larger, and the larger the holes, the smaller the strength of the housing will be, which is not in accordance with the installation requirement. Thus, the holes of the insertion holes 12 on the same side of the grille, or on two adjacent sides of the grille 2, are increased along with the installation sequence.

Wherein the aperture C of the receptacle 12 corresponds to the following relationship:

Cn≥k(n+1)A+B

Wherein A is the width of the bolt 23; k is a width coefficient, and the range of k is 0.4-0.6; b is a standard gap between the plug 23 and the inner wall of the jack 12 after the plug 23 is inserted into the jack 12; c is the aperture of the jack 12; n is the number of pins 23, and the spatial position codes of the insertion holes 12 sequentially inserted into the pins 23 are defined as: 1.2, 3 … n. The width coefficient k can limit the deviation range of the jack 12 pore, path interference is further avoided in the tolerance range according to production practice, reasonable and effective gaps can facilitate production, assembly difficulty is reduced, production line efficiency is improved, and repair probability is reduced.

Specifically, the latch 23 is an extending bump extending forwards or downwards from the side edge of the grille 2, the latch 23 can be a rectangular plate, and the jack 12 is a corresponding rectangular through hole; of course, the latch 23 may be other plate, so long as the latch 23 can be inserted into the plate, and in the embodiment of the present invention, the latch 23 is a bar plate, and the jack 12 is a bar hole.

The number of pins 23 may be plural, and the pins 23 are distributed at the edges of the sides of the grille 2. Accordingly, the housing 1 is provided with the same number of insertion holes 12 as the pins 23, and a plurality of insertion holes 12 are distributed at corresponding positions of the housing 1. The plurality of bolts 23 can be respectively inserted and matched with the plurality of jacks 12 so as to improve the connection stability of the grille 2 and the shell 1.

Since the length or width of the grid 2 is limited, if the number of the pins 23 is too large and the number of the corresponding insertion holes 12 is too large, the installation difficulty is increased, and the overall strength of the housing is reduced. Therefore, in the embodiment of the present invention, it is preferable that the number of the pins 23 is in the range of 2 to 4, and the number of the insertion holes 12 is the same as the number of the pins 23.

According to the embodiment of the invention, the relation among the hole C of the jack 12, the width A of the plug pins 23, the width coefficient k, the standard clearance B and the number A of the plug pins 23 is set, so that the holes of the jacks 12 at different positions can be preset according to various parameters, and the situation of unstable installation or difficult installation is avoided.

According to the experience of the inventor, in the assembled state of the grille 2 and the housing 1, the standard clearance between the latch 23 and the inner wall of the jack 12 ranges from: b is more than or equal to 0.4mm and less than or equal to 2mm. If the standard clearance is less than 0.4mm, it may happen that the plug 23 is difficult to be snapped into the jack 12, which is manifested as interference of the assembly path, resulting in difficulty in assembly; when the standard clearance is set in a low range, that is, greater than 2mm, the distance between the inner wall of the jack 12 and the plug 23 is too large, the clearance is too large, the strength of the shell is not easy to ensure, and looseness may occur in the transportation or working process of the air conditioner. Therefore, only when B is more than or equal to 0.4mm and less than or equal to 2mm, the grid 2 and the shell 1 are conveniently installed, the plugging is not loose due to overlarge gaps, meanwhile, the assembly reliability and convenience are considered, and at the moment, the assembly effect of the plug pin 23 and the jack 12 is good.

It will be appreciated that the width of the pin 23 may not be limited, but in actual production design, if the width of the pin 23 is too large, the hole value of the jack 12 will be too large; because the mold is not beneficial to the structure, the structural strength of the shell 1 can be reduced due to overlarge pore values; if the width of the latch 23 is too small, the connection area between the grill 2 and the housing 1 is too small, and the installation is unstable. The range of the width a of the plug 23 is set as: in this range, the connection between the grille 2 and the housing 1 is most stable, without reducing the overall structural strength of the air conditioner.

N is the number of pins 23, and according to the installation sequence of the grille 2, the spatial position codes of the pins 23 inserted into the jacks 12 in sequence are defined as: 1.2, 3 … n. In connection with fig. 2, it is explained how n is defined:

Assuming that the latches 23 are disposed at the edges of the lower side and the left side of the rear grille, the latches 23 are also disposed on the front side of the right grille, if the grille 2 and the housing 1 are mounted in the following manner: the bolts 23 positioned at the lower side of the rear grille are inserted into the corresponding jacks 12, and the bolts 23 at the right side of the rear grille and the bolts 23 at the front side of the right grille are sequentially inserted by taking the lower side of the rear grille as a rotary positioning shaft. Then n in the correspondence is: the bolt 23 of rear grille downside is 1, and the bolt 23 of rear grille left side is 2, and the bolt 23 of right grille front side is 3.

Of course, if the mounting modes of the grille 2 are different, the positions of the rotation positioning shafts are different, and the number of the pins 23 corresponding to each pin 23 is also different, the setting can be performed according to the actual requirements, and the specific limitation is not restricted herein.

In the embodiment of the present invention, in order to cooperate with other connection structures of the grille 2 and the housing 1, it is preferable that a plurality of bolts 23 are provided at the edges of the right side edge of the right grille and the lower side edge of the rear grille; specifically, the right side edge of the right grille is provided with 3 bolts 23, and the lower side edge of the rear grille is provided with 2 grilles 2.

In addition, the grid 2 and the shell 1 can be firmly connected by optimizing the distribution position of the bolts 23. Specifically, a spacing L1 between two adjacent pins 23 on the side of the same grill 2 may be defined, and 80 mm.ltoreq.l1.ltoreq.150 mm. Considering that the whole grille 2 is a hollowed-out plate, has large area and low structural strength, and is easy to generate bending deformation in the long-term use process. If the number of the pins 23 is small, the distance between two adjacent pins 23 is too large, so that the grille 2 cannot be tightly fixed on the housing 1; if the number of the bolts 23 is too large, the interval between two adjacent bolts 23 is too small, and the connection is very stable, but the material is wasted, and the matching installation of the bolts 23 and the jacks 12 is not facilitated, so that the assembly difficulty is improved. Therefore, only when the interval between the adjacent two pins 23 is in the range of 80mm to 150mm, the assembling difficulty is not increased while the mounting stability of the grill 2 and the housing 1 is ensured.

Referring to fig. 1, the grille 2 is disposed on the air inlet support 14 of the housing 1, and the air inlet support 14 is a recess protruding forward, so that connection stability of the latch 23 and the jack 12 is better ensured, and the length of the latch 23 is not less than the depth of the jack 12.

On the other hand, the housing 1 gradually decreases in area from front to back due to the molding of the air conditioner and the mold-release requirement. In the embodiment of the invention, the shell 1 comprises a rear cover 101 and a connecting part 102 which is arranged around the periphery of the rear cover 101, and the rear cover 101 is connected with the grille 2.

As shown in fig. 2 and 6, the grille 2 is provided on the rear cover 101, so that the connection part 102 shields the grille 2 when viewed from the front of the air conditioner, thereby improving the front aesthetic degree of the air conditioner. At the same time, however, since the connecting portion 102 protrudes to the periphery with respect to the side of the rear housing 101, i.e., the connecting portion 102 forms a height difference with the side of the rear housing 101.

The filter screen 3 will be full of dust after a period of use and needs to be cleaned regularly, in order to facilitate the user to detach the filter screen 3, in the embodiment of the invention, the side edge of the grid 2 is provided with the buckling hands 26, the buckling hands 26 protrude outwards relative to the grid 2, and because the buckling hands 26 also protrude outwards relative to the grid 2, a gap is formed between the buckling hands 26 arranged on the side edge of the grid 2 and the connecting part 102, if the buckling hands 26 are too close to the connecting part 102, the gap is too small, and the user cannot insert fingers into the gap between the buckling hands 26 and the connecting part 102, so that the user cannot find out an acting point, cannot apply force to the buckling hands 26, and the grid 2 is not easy to detach.

The embodiment of the invention provides an operating distance between the handle 26 and the connecting portion 102 suitable for detaching the grille 2. By defining the position between the clasp 26 and the connection 102, the user can apply force to the clasp 26, making disassembly of the screen 3 easier and easier.

In the embodiment of the present invention, as shown in fig. 6, according to the habit of the user, the button 26 is disposed at the front side of the right grill, the minimum distance between the button 26 and the connection part 102 is D, and 15mm D is less than or equal to 25mm. Within this distance, the user is assured of applying force to the clasp 26 without affecting the structural stability of the housing.

Wherein, the surface of the button 26 may be further provided with an anti-slip structure (not shown in the figure) for increasing the roughness of the surface of the button 26. Because the size of the catch 26 is generally not large, the user can easily slide on the surface of the catch 26 during the application of force to the catch 26, which is detrimental to the removal of the grille 2. By increasing the roughness of the surface of the clasp hand 26, the friction between the user's hand and the clasp hand 26 can be increased, facilitating the application of force to the clasp hand 26 by the user and improving the comfort of the user.

The anti-slip structure can be a frosted surface, anti-slip ribs or protruding points. The type of anti-slip structure may be determined according to actual production and needs, so long as the roughness of the clasp 26 can be increased.

Meanwhile, the handle 26 can be detachably connected with the grille 2, or can be welded or integrally formed. In the embodiment of the invention, the buckling handle 26 and the grille 2 are preferably integrally formed, and the integrally formed design not only can increase the connection stability of the buckling handle 26 and the grille 2, but also can improve the overall structural strength of the air conditioner shell; meanwhile, the production and assembly procedures can be reduced.

In addition, the filter screen 3 is not completely placed at the inner edge of the grid 2 due to the airtight structure with the edges at the periphery of the filter screen 3 by injection molding, so that part of the area of the filter screen 3 is wasted. In addition, most of the filter screens 3 in the prior art are fixed through the sliding grooves formed in the grid 2 or the shell 1, so that the circular edge structure of the filter screens 3 can partially shield the air inlet 13 in the assembled state of the grid 2, the filter screens 3 and the shell 1, and the air inlet quantity is reduced to a certain extent.

In order to make the connection between the filter screen 3 and the grid 2 tighter, and the edge of the filter screen 3 will not extend from the connection, as shown in fig. 3 and 5, the inner side edge of the grid 2 is further provided with a clamping hole 24, and the clamping hole 24 is matched with a clamping block 31 arranged on the filter screen 3 in a clamping manner so as to fix the filter screen 3 on the grid 2.

Therefore, the clamping holes 24 are formed in the inner side edge of the grid 2, the clamping block 31 is arranged on the side edge of the filter screen 3, the filter screen 3 is fixed on the grid 2 through the clamping effect of the clamping holes 24 and the clamping blocks 31, the filter screen 3 is prevented from shielding part of the air inlets 13, and the air inlet area is increased; meanwhile, the exposure of the filter screen 3 is reduced, and the overall aesthetic degree of the product is improved.

In order to improve the connection firmness of the filter screen 3 and the grid 2, the number of the clamping holes 24 is a plurality of, and the plurality of clamping holes 24 are distributed on the periphery of the inner side of the grid 2; correspondingly, the filter screen 3 is correspondingly provided with the same number of clamping blocks 31. And the central line of each clamping hole 24 is parallel to the plane on which the side edge is positioned, so that the filter screen 3 is ensured to be positioned on the rear side of the grid 2 and is attached to the grid 2 in parallel. Specifically, in the embodiment of the present invention, the inner sides of the upper side, the left side and the lower side of the rear grille, and the inner sides of the upper side, the lower side and the right side of the right grille are all provided with a plurality of clamping holes 24; the number of the holes 24 is not limited to meet the installation requirement.

In the embodiment of the present invention, the edges of the front side edge and the lower side edge of the rear grille are further provided with a plurality of pins 23, so as to improve the connection stability among the grille 2, the filter screen 3 and the housing 1, and the pins 23 and the clamping holes 24 on the side edges of the same grille 2 are arranged at intervals as shown in fig. 3.

In combination with fig. 2, in order to improve the connection stability between the grille 2 and the housing 1, the grille 2 is further provided with a bridging structure 20, the housing 1 is further provided with a second buckle 11, and the bridging structure 20 is in clamping fit with the second buckle 11. The bridging structure 20 includes a bridging portion 22 and a first buckle 21, wherein the bridging portion 22 is provided with a first through hole 221, and at least a portion of the first buckle 21 is located in the first through hole 221.

Specifically, the bridging portion 22 and one end of the first buckle 21 are fixedly connected with the grille 2, a first through hole 221 is formed in one end, far away from the grille 2, of the bridging portion 22, and at least a part of the free end of the first buckle 21 is located in the first through hole 221. And a gap is left between the top end surface of the first buckle 21 and the first through hole 221, so that a component matched with the first buckle 21 in a clamping way can conveniently pass through the gap to be clamped between the bridging part 22 and the first buckle 21. For convenience of description, the first through hole 221 is used as a boundary, and the bridge portion 22 located above the first through hole 221 is referred to as a bridge section, and other portions of the bridge portion 22 are referred to as a base section. Since at least part of the first buckle 21 is located in the first through hole 221, it can be seen that the bridge segment is erected on the first buckle 21, i.e. the bridge segment is located at the top of the first buckle 21. Thus, when other devices collide with the bridging structure 20 during production, transportation or loading and unloading, the bridging portion 22 can resist the collision, so as to protect the first buckle 21 from damage or even break the first buckle 21. Meanwhile, since the second buckle 11 on the housing 1 is clamped with the first buckle 21 through the first through hole 221, that is, the bridging portion 22 is located between the first buckle 21 and the second buckle 11 in the assembled state of the grille 2 and the housing 1; therefore, the bridging portion 22 can also improve the overall structural strength of the buckle structure; during the loading and unloading process, the bridging part 22 can share a part of force, so that the first buckle 21 is prevented from being damaged due to stress concentration.

As shown in fig. 2-3, the first buckle 21 includes a first buckle body 211 and a first protruding portion 212 disposed at one end of the first buckle body 211, where at least a portion of the first protruding portion 212 is located in the first through hole 221. The first protruding portion 212 protrudes towards the direction close to the first through hole 221, the first fastening body 211 is of a vertical arm structure, two ends of the vertical arm structure are fixedly connected with the grid 2 and the first protruding portion 212 respectively, an L-shaped clamping table is formed between the first protruding portion 212 and the first fastening body 211 and is used for being matched with the matched second fastening 11 arranged on the shell 1 so as to fix the grid 2 on the shell 1. By means of the arrangement, the clamping positions of the first clamping buckle 21 and the second clamping buckle 11 can be guaranteed to be located in the first through hole, and the protection of the bridging portion 22 on the first clamping buckle 21 is improved.

In order to improve the installation stability of the bridging structure 20, the first buckle 21 and the bridging portion 22 are both in a trapezoid structure with a narrow top and a wide bottom, and the thickness of the top of the bridging portion 22 is smaller than that of the bottom. In the process of designing the mould, if the thickness of the material is uneven, the plastic product is easy to have a reduction condition. In order to alleviate the occurrence of the reduction, the surface of the bridging portion 22 is prevented from being dented, wrinkled, crumpled, etc., and a second through hole 222 is further disposed at one end of the bridging portion 22 away from the first through hole 221; that is, the second through hole 222 is provided on the base section. By providing the second through hole 222, not only can the reduction and the surface mark be prevented, the actual production requirement be satisfied, the appearance aesthetic degree is improved, but also the stress concentration phenomenon of the bridging portion 22 can be reduced, and the structural stability of the bridging portion 22 is further improved.

As shown in fig. 7, the second buckle 11 includes a second protruding portion 111, and at least a portion of the second protruding portion 111 is located in the first through hole 221 in the engaged state.

Referring to fig. 4, in the assembled state of the grille 2 and the housing 1, the second protruding portion 111 protrudes in a direction close to the first through hole 221, the second buckle body 113 is also a vertical arm structure, two ends of the vertical arm structure are fixedly connected with the grille 2 and the second protruding portion 111 respectively, an L-shaped clamping table is formed between the second protruding portion 111 and the second buckle body 113, and the bending direction of the L-shaped clamping table of the first buckle 21 is opposite to that of the L-shaped clamping table of the second buckle body 113. The second protruding portion 111 is engaged with the first engaging portion 21, and blocks the first protruding portion 212 from moving backward, so that the first engaging portion 21 is limited, and the grille 2 is fixed to the housing 1. When at least a portion of the protruding end of the second protruding portion 111 is located in the first through hole 221, it can be further ensured that the joint between the first buckle 21 and the second buckle 11 is located in the first through hole 221, and the bridge segment is located at the top of the joint. By the arrangement, the bridging part 22 not only can protect the first buckle 21, but also can protect the second buckle 11, and the protection range of the bridging part 22 is improved.

The bridging structure 20 may be located at edges of a plurality of sides of the grille 2, for convenience of description, the following describes the assembly condition of the bridging structure 20 and the second buckle 11 by taking an edge state that the bridging structure 20 is located at an upper side of the grille 2 as an example:

As shown in fig. 7, the first protrusion 212 includes a first inclined surface 213, and the second protrusion 111 includes a second inclined surface 112, and the bottom end of the first inclined surface 213 is in line contact with the bottom end of the second inclined surface 112 during the installation and/or removal of the grill 2 from the housing 1. Here, the bottom end of the first inclined plane 213 is the lowest end of the first inclined plane 213 in fig. 6; the bottom end of the second inclined plane 112 is the lowest end of the second inclined plane 112 in fig. 6. It will be appreciated that when the bridging structure 20 is positioned on the other side of the grille 2, the bottom ends of the first inclined surfaces 213 and the second inclined surfaces 112 are both near one end of the grille 2, and each orientation will not be described herein. When the assembling and disassembling processes of the first buckle 21 and the second buckle 11 are line contact, the friction effect caused by surface contact can be reduced, and the assembling and disassembling difficulty of the bridging structure 20 and the second buckle 11 is reduced.

Specifically, as shown in fig. 7, when the bridging structure 20 is located at the edge of the upper side of the grid 2 and the second buckle 11 is located at a position matching with the bridging structure 20, the first inclined plane 213 forms a first angle α with the vertical plane, and the second inclined plane 112 forms a first angle β with the vertical plane, where α > β. Here, the plane in the up-down direction in fig. 6 is defined as a vertical plane. When the first included angle α is greater than the second included angle β, the plane of the first inclined plane 213 intersects the plane of the second inclined plane 112; this also avoids that the first inclined surface 213 is attached to the second inclined surface 112 during the process of attaching and detaching the grill 2 to the housing 1, so that the attaching and detaching are not smooth, and a large force needs to be applied.

Of course, it will be appreciated that when the bridging structure 20 is located at the edge of the left or right side of the grille 2 and the second catch 11 is located in a position to match the bridging structure 20, the first inclined surface 213 forms a first angle α in the horizontal plane and the second inclined surface 112 forms a second angle β in the horizontal plane. The angles α, β are only used to define the angular relationship between the two faces of the first protrusion 212 contacting the second protrusion 111, and are not related to the positional relationship of the first catch 21 and the second catch 11 on the grid 2.

Preferably, the inventors have found that, in long-term operation practice, when the first angle α and the second angle β satisfy the relationship: when the angle alpha-beta is more than or equal to 30 degrees and more than or equal to 15 degrees, the assembly effect of the grid 2 and the shell 1 is better, and if the angle alpha-beta is less than 15 degrees, the contact area of the first inclined surface 213 and the second inclined surface 112 is too large, so that the assembly is difficult; if α - β is greater than 60 °, the first inclined plane 213 and the second inclined plane 112 cannot form effective contact, which cannot perform the clamping function, and does not meet the actual requirements.

In addition, through experimental experience conclusion, the inventor obtains that the preferable value range of the first included angle alpha and the second included angle beta is 30-60 degrees. It will be appreciated that the forces experienced by one face will break down along the moment, creating a break down force, whereas if the forces on one side are particularly small (forces approaching 90 °) the forces on the corresponding side will be particularly large, which is detrimental to disassembly. In the assembling and disassembling process of the grating 2 and the shell 1, when the value range of the first included angle alpha and the second included angle beta is within 30-60 degrees, a certain decomposing force is generated along the up-down direction, so that the force required for assembling and disassembling is reduced, the contact area of the first inclined plane 213 and the second inclined plane 112 is reduced, and the assembling and disassembling difficulty is reduced. If the angles α and β are both greater than 60 °, the first inclined plane 213 and the second inclined plane 112 cannot form a good fit, and the second protruding portion 111 cannot better limit the first protruding portion 212, so that the fastening structure is in a failure state.

As can be appreciated in view of the fact that the accuracy of the production mold may not be as high, in the actual production process, an assembly gap is preset between the first inclined surface 213 and the second inclined surface 112 to allow a margin for production and improve the product yield. According to the clamping structure of the grid 2 and the shell 1, in the assembling and disassembling process, the first inclined plane 213 of the first clamping buckle 21 is in line contact with the second inclined plane 112 of the second clamping buckle 11, an assembling gap is reserved between the first inclined plane 213 and the second inclined plane 112 after the assembling is completed, and the assembling gap between the first inclined plane 213 and the second inclined plane 112 is 0-0.3 mm.

It will be appreciated that since the grille 2 is located at the air inlet 13 of the housing 1 and is in communication with the air duct, the grille 2 is inadvertently removed by a user, particularly a child, resulting in a safety hazard. The grille 2 and the shell 1 are further provided with screw fastening positions, and the screw fastening positions comprise a first screw hole 25 formed in the grille 2 and a second screw hole 15 formed in the shell 1, wherein the grille 2 and the shell 1 are fastened and positioned through screws after being fastened and positioned through the fastening structures and the assembling structures, so that the use safety of the air conditioner is improved.

The invention also provides an air conditioner, which comprises the air conditioner shell, wherein the air conditioner shell comprises a shell 1 and a grid 2, a plug pin 23 is arranged at the edge of the side edge of the grid 2, a jack 12 matched with the plug pin 23 is arranged on the shell 1, the plug pin 23 is in plug-in fit with the jack 12 so as to fix the grid 2 on the shell 1, and the holes of a plurality of jacks 12 positioned on the same side edge or adjacent side edges of the grid 2 are gradually increased along with the plug-in sequence of the plug pin 23. Wherein the aperture C of the receptacle 12 corresponds to the following relationship:

Cn≥k(n+1)A+B

wherein A is the width of the bolt 23; k is a width coefficient, and the range of k is 0.4-0.6; b is a standard gap between the plug 23 and the inner wall of the jack 12 after the plug 23 is inserted into the jack 12; c is the aperture of the jack 12; n is the number of pins 23, and the spatial position codes of the insertion holes 12 sequentially inserted into the pins 23 are defined as: 1. 2, 3 … n.

In comparison with the conventional air conditioner, when the grille 2 is assembled to the housing 1, if the insertion structure position is not optimally defined, the requirement of the installation turning radius may not be satisfied, so that the grille 2 is likely to have path interference when being assembled and disassembled. According to the air conditioner provided by the embodiment of the invention, through setting the relation among the holes C of the jacks 12, the width A of the bolts 23, the width coefficient k, the standard clearance B and the number n of the bolts 23, the holes of the jacks 12 at different positions can be preset according to each parameter condition and the installation mode of the grille 2, so that the condition that the grille 2 is unstable to install or difficult to install due to path interference during loading and unloading is avoided.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims

1. The air conditioner shell is characterized by comprising a shell (1) and a grid (2), wherein a plug pin (23) is arranged at the edge of the side edge of the grid (2), a jack (12) matched with the plug pin (23) is arranged on the shell (1), the plug pin (23) is in plug-in fit with the jack (12) so as to fix the grid (2) on the shell (1), and the holes of a plurality of the jacks (12) positioned on the same side edge or two adjacent sides of the grid (2) are gradually increased along with the plug-in sequence of the plug pin (23) which is matched with the plug pin;

the aperture C of the jack (12) meets the following relation:

Cn≥k(n+1)A+B

wherein A is the width of the bolt (23);

k is a width coefficient, and the range of k is 0.4-0.6;

b is a standard gap between the plug pin (23) and the jack (12) after the plug pin (23) and the jack (12) are plugged;

c is the aperture of the jack (12);

n is the number of the bolts (23), and according to the installation sequence of a plurality of sides of the grid (2), the space position codes of the jacks (12) which are sequentially inserted into the bolts (23) are defined as: 1.2, 3 … n;

The standard clearance B is in the range of: b is more than or equal to 0.4 and less than or equal to 2mm;

The range of the width A of the bolt (23) is as follows: a is more than or equal to 8 and less than or equal to 20mm.

2. An air conditioner casing according to claim 1, characterized in that the spacing between two adjacent bolts (23) on the same side is L1, 80.ltoreq.l1.ltoreq.150mm.

3. An air conditioning case according to any of claims 1-2, characterized in that the length of the plug pin (23) is not less than the depth of the receptacle (12).

4. Air conditioning casing according to any of claims 1-2, characterized in that a clamping hole (24) is further provided at the edge of the side edge of the grille (2), the clamping hole (24) is adapted to be clamped with a clamping block (31) provided on the filter screen (3) so as to fix the filter screen (3) on the grille (2).

5. An air conditioner casing according to claim 4, characterized in that the pins (23) and the clamping holes (24) on the same side are arranged at intervals.

6. An air conditioning case according to any of claims 1-2, characterized in that the housing (1) comprises a rear casing (101) and a connection (102) surrounding at the periphery of the rear casing (101), the rear casing (101) being connected with the grille (2).

7. An air conditioner casing according to claim 6, characterized in that a handle (26) is provided on the side of the grille (2), said handle (26) and the connecting part (102) having an operative distance therebetween suitable for detaching the grille (2).

8. The air conditioner case according to claim 7, wherein the knob (26) protrudes outward with respect to the grille (2), a minimum distance between the knob (26) and the connecting portion (102) is D, and 15mm is equal to or less than D is equal to or less than 25mm.

9. An air conditioner comprising an air conditioner casing as claimed in any one of claims 1 to 8.