CN213574727U - Fan volute of indoor unit of air conditioner - Google Patents

Fan volute of indoor unit of air conditioner Download PDF

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Publication number
CN213574727U
CN213574727U CN202022488941.8U CN202022488941U CN213574727U CN 213574727 U CN213574727 U CN 213574727U CN 202022488941 U CN202022488941 U CN 202022488941U CN 213574727 U CN213574727 U CN 213574727U
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China
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positioning
opening
shell
shaped
indoor unit
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CN202022488941.8U
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Chinese (zh)
Inventor
刘恒旭
谢钟镭
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Jiangsu Jinxin Air Conditioning Co ltd
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Jiangsu Jinxin Air Conditioning Co ltd
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Abstract

The utility model relates to a fan volute of an air-conditioning indoor unit, which comprises a lower shell and an upper shell which are mutually spliced and detachable, wherein a back block is formed outside the rear side of the upper opening of the lower shell, hanging plates are outwards formed at the left and right ends of the upper side of the back block, a hanging hole is respectively formed in the two hanging plates, a positioning sleeve is outwards formed at the rear end opening of the two hanging holes, an inverted U-shaped flanging is outwards formed on the outer wall of the rear side opening of the upper shell, a positioning hole is respectively formed at the left and right sides of the U-shaped flanging, and the two positioning sleeves are respectively inserted into the two positioning holes; the utility model adopts a split structure to facilitate the installation of the fan, and can be fixed on the bottom plate only by two screws, thereby simplifying the disassembly and assembly and saving time and labor; in addition, once a certain part of the volute is damaged, only the lower shell or the upper shell needs to be replaced, and the whole volute does not need to be replaced, so that the use cost is reduced.

Description

Fan volute of indoor unit of air conditioner
Technical Field
The utility model relates to a fan spiral case of machine in air conditioning.
Background
The air conditioner is a very common air conditioning device in daily life and mainly comprises an indoor unit and an outdoor unit, wherein spiral cases are arranged in the indoor unit of the air conditioner, a fan and an impeller are arranged in the spiral cases, and the fan can drive the impeller to rotate after rotating so as to blow cold air or hot air outwards; the existing fan volute is mostly of an integral structure, so that the fan is inconvenient to install, the volute can be fixed on the bottom plate by at least four screws, the assembly and disassembly are complicated, and time and labor are wasted; in addition, once a certain part of the volute is damaged, the volute needs to be replaced integrally, the use cost is high, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an adopt split type structure so that install the fan is provided, and simplified the dismouting, labour saving and time saving to the fan spiral case of machine in the air conditioning of use cost has been reduced.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a fan volute of an air-conditioning indoor unit is characterized by comprising a lower shell and an upper shell which are spliced and detachable with each other, wherein a back block is formed outside the rear side of an opening at the upper part of the lower shell, hanging plates are outwards formed at the left end and the right end of the upper side of the back block, a hanging hole is formed in each of the two hanging plates, a positioning sleeve is outwards formed at the opening at the rear end of each hanging hole, an inverted U-shaped flanging is outwards formed on the outer wall of the opening at the rear end of the upper shell, positioning holes are formed in the left side and the right side of each U-shaped flanging, the two positioning sleeves are respectively inserted into the two positioning holes, and symmetrically distributed positioning blocks are outwards formed on the left side and the right side of each U-shaped flanging; the utility model discloses a portable electronic device, including back piece, back side direction, baffle, lateral wall, the lateral wall is outside being formed with U type tray of the back of the body piece, the lateral wall is outside being formed with the flange behind the turn-down flange's of U type top, the lateral wall is outside being formed with the dog that has two bilateral symmetry distributions behind the flange, flange and two the downside of dog is all connected on the rear side opening department outer wall of last casing, U type groove has been seted up to the top opening part front side edge of casing down, correspondingly, the below opening part front side edge of going up the casing outwards is formed with U type strip, U type strip inserts in U type groove.
Preferably, the both ends outside in U type groove all is formed with a draw-in groove, correspondingly, the both ends outside of U type strip all outwards is formed with a card strip, two the card strip inserts respectively in two draw-in grooves, two the tip of card strip all outwards is formed with a fixture block, two the fixture block lock is respectively at the lower extreme opening part of two draw-in grooves.
Preferably, two all be formed with a first locating piece on the rear side outer wall of draw-in groove, correspondingly, two the rear side of card strip all outwards is formed with a first locating slot, two first locating piece inserts respectively in two first locating slots.
Preferably, all outwards be formed with a second constant head tank on the rear side outer wall at both ends about the top opening part of lower casing, correspondingly, all outwards be formed with a second locating piece on the rear side outer wall at both ends about the below opening part of last casing, two the second locating piece inserts respectively in two second constant head tanks.
Preferably, a first arc-shaped hole which is symmetrically distributed with each other is formed in the inner walls of the left side and the right side of the opening in the upper portion of the lower shell, and the first arc-shaped hole is formed between the first positioning block and the second positioning groove which are located on the same side.
Preferably, the inner walls of the left side and the right side of the lower opening of the upper shell are provided with second arc-shaped holes which are symmetrically distributed with each other, and the second arc-shaped holes are arranged between the first positioning groove and the second positioning block which are arranged on the same side.
Preferably, the two second arc-shaped holes are spliced with the two first arc-shaped holes respectively to form two air inlet holes.
Compared with the prior art, the utility model has the advantages of: the utility model adopts a split structure to facilitate the installation of the fan, and can be fixed on the bottom plate only by two screws, thereby simplifying the disassembly and assembly and saving time and labor; in addition, once a certain part of the volute is damaged, only the lower shell or the upper shell needs to be replaced, and the whole volute does not need to be replaced, so that the use cost is reduced.
Drawings
FIG. 1 is a front right side exploded view of the present invention;
FIG. 2 is a right rear side exploded view of the present invention;
FIG. 3 is a view of the installation position of the present invention;
fig. 4 is a rear structure view after the installation of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
As shown in fig. 1 to 4, a blower volute of an air-conditioning indoor unit includes a lower casing 1 and an upper casing 2 which are spliced and detachable with each other, a back block 110 is formed outside a rear side of an upper opening of the lower casing 1, a hanging plate 16 is formed outside each of left and right ends of an upper side of the back block 110, a hanging hole 17 is formed in each of the two hanging plates 16, a positioning sleeve 18 is formed outside each of rear end openings of the two hanging holes 17, an inverted U-shaped flange 211 is formed outside an outer wall of a rear side opening of the upper casing 2, a positioning hole 27 is formed in each of left and right sides of the U-shaped flange 211, the two positioning sleeves 18 are respectively inserted into the two positioning holes 27, and a symmetrically distributed positioning block 28 is formed outside each of left and right sides of the U-shaped flange 211; the back side of the back block 110 is formed with a U-shaped supporting block 19, the back side of the upper part of the U-shaped flanging 211 is formed with a flange 29, the back side of the flange 29 is formed with two stoppers 210 which are distributed in bilateral symmetry, and the lower sides of the flange 29 and the two stoppers 210 are connected to the outer wall of the back side opening of the upper shell 2.
The front side edge of the upper opening of the lower shell 1 is provided with a U-shaped groove 12, correspondingly, the front side edge of the lower opening of the upper shell 2 is outwards provided with a U-shaped strip 22, the U-shaped strip 22 is inserted into the U-shaped groove 12, the outer sides of the two ends of the U-shaped groove 12 are respectively provided with a clamping groove 13, correspondingly, the outer sides of the two ends of the U-shaped strip 22 are respectively outwards provided with a clamping strip 23, the two clamping strips 23 are respectively inserted into the two clamping grooves 13, the end parts of the two clamping strips 23 are respectively outwards provided with a clamping block 24, the two clamping blocks 24 are respectively buckled at the lower end opening of the two clamping grooves 13, the outer wall of the rear side of the two clamping grooves 13 is respectively provided with a first positioning block 14, correspondingly, the rear side of the two clamping strips 23 is respectively outwards provided with a first positioning groove 25, the two first positioning blocks 14 are respectively inserted into the two first positioning grooves 25, the outer wall of the rear side of the left and right ends of the upper opening of the lower shell, correspondingly, a second positioning block 26 is formed outwards on the outer wall of the rear side of the left end and the right end of the lower opening of the upper shell 2, and the two second positioning blocks 26 are respectively inserted into the two second positioning grooves 15.
The inner walls of the left side and the right side of the upper opening of the lower shell 1 are respectively provided with a first arc-shaped hole 11 which are symmetrically distributed, and the first arc-shaped holes 11 are arranged between a first positioning block 14 and a second positioning groove 15 which are arranged on the same side; the inner walls of the left side and the right side of the lower opening of the upper shell 2 are respectively provided with a second arc-shaped hole 21 which are symmetrically distributed, and the second arc-shaped holes 21 are arranged between the first positioning groove 25 and the second positioning block 26 which are arranged at the same side; the two second arc-shaped holes 21 are respectively spliced with the two first arc-shaped holes 11 to form two air inlet holes 4.
During installation, a fan and an impeller are installed in a lower shell 1, then an upper shell 2 is assembled above the lower shell 1, then a U-shaped clamping edge 29 is inserted into an installation hole 31 in a bottom plate 3 from bottom to top until the upper side of the blocking edge 29 is attached to the upper inner wall of the installation hole 31, two stop blocks 210 are positioned at the rear side of the bottom plate 3, so that the upper shell 2 is clamped to prevent the upper shell from being separated from the bottom plate 3, then a U-shaped supporting block 19 is pushed backwards to be embedded into the installation hole 31, and the lower side of the U-shaped supporting block 19 is attached to the lower inner wall of the installation hole 31; the rear opening of the upper shell 2 and the outer walls of the left side and the right side of the U-shaped supporting block 19 are respectively attached to the inner walls of the left side and the right side of the mounting hole 31, and the two positioning blocks 28 are respectively inserted into the two positioning cavities 32 on the bottom plate 3 to help the lower shell 1 and the upper shell 2 to be accurately positioned; finally, two screws are used to respectively pass through the two hanging holes 17 and the two positioning sleeves 18 from front to back and are screwed into the bottom plate 3, so that the lower shell 1 is fixed on the front side of the bottom plate 3 together with the upper shell 2.
The utility model adopts a split structure to facilitate the installation of the fan, and can be fixed on the bottom plate only by two screws, thereby simplifying the disassembly and assembly and saving time and labor; in addition, once a certain part of the volute is damaged, only the lower shell 1 or the upper shell 2 needs to be replaced, and the whole volute does not need to be replaced, so that the use cost is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. A fan volute of an air-conditioning indoor unit is characterized by comprising a lower shell and an upper shell which are spliced and detachable with each other, wherein a back block is formed outside the rear side of an opening at the upper part of the lower shell, hanging plates are outwards formed at the left end and the right end of the upper side of the back block, a hanging hole is formed in each of the two hanging plates, a positioning sleeve is outwards formed at the opening at the rear end of each hanging hole, an inverted U-shaped flanging is outwards formed on the outer wall of the opening at the rear end of the upper shell, positioning holes are formed in the left side and the right side of each U-shaped flanging, the two positioning sleeves are respectively inserted into the two positioning holes, and symmetrically distributed positioning blocks are outwards formed on the left side and the right side of each U-shaped flanging; the utility model discloses a portable electronic device, including back piece, back side direction, baffle, lateral wall, the lateral wall is outside being formed with U type tray of the back of the body piece, the lateral wall is outside being formed with the flange behind the turn-down flange's of U type top, the lateral wall is outside being formed with the dog that has two bilateral symmetry distributions behind the flange, flange and two the downside of dog is all connected on the rear side opening department outer wall of last casing, U type groove has been seted up to the top opening part front side edge of casing down, correspondingly, the below opening part front side edge of going up the casing outwards is formed with U type strip, U type strip inserts in U type groove.
2. The blower volute of an indoor unit of an air conditioner as claimed in claim 1, wherein a clamping groove is formed at each of outer sides of two ends of the U-shaped groove, correspondingly, a clamping strip is formed at each of outer sides of two ends of the U-shaped strip, the two clamping strips are respectively inserted into the two clamping grooves, a clamping block is formed at each of end portions of the two clamping strips, and the two clamping blocks are respectively fastened at lower openings of the two clamping grooves.
3. The blower volute of an indoor unit of an air conditioner as claimed in claim 2, wherein the outer wall of the rear side of each of the two locking grooves is formed with a first positioning block, correspondingly, the rear side of each of the two locking strips is outwardly formed with a first positioning groove, and the two first positioning blocks are respectively inserted into the two first positioning grooves.
4. The blower volute of an indoor unit of an air conditioner as claimed in claim 3, wherein a second positioning groove is formed outwardly on each of the rear outer walls at the left and right ends of the upper opening of the lower casing, and correspondingly, a second positioning block is formed outwardly on each of the rear outer walls at the left and right ends of the lower opening of the upper casing, and the two second positioning blocks are respectively inserted into the two second positioning grooves.
5. The blower volute of an indoor unit of an air conditioner as claimed in claim 4, wherein the inner walls of the left and right sides of the upper opening of the lower casing are respectively provided with a first arc-shaped hole which are symmetrically distributed, and the first arc-shaped holes are formed between the first positioning block and the second positioning groove which are located on the same side.
6. The blower volute of an indoor unit of an air conditioner as claimed in claim 5, wherein the inner walls of the left and right sides of the lower opening of the upper casing are respectively provided with a second arc-shaped hole which are symmetrically distributed, and the second arc-shaped holes are arranged between the first positioning groove and the second positioning block on the same side.
7. The blower volute of an indoor unit of an air conditioner as claimed in claim 6, wherein the two second arc-shaped holes are respectively spliced with the two first arc-shaped holes to form two air inlet holes.
CN202022488941.8U 2020-11-02 2020-11-02 Fan volute of indoor unit of air conditioner Active CN213574727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022488941.8U CN213574727U (en) 2020-11-02 2020-11-02 Fan volute of indoor unit of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022488941.8U CN213574727U (en) 2020-11-02 2020-11-02 Fan volute of indoor unit of air conditioner

Publications (1)

Publication Number Publication Date
CN213574727U true CN213574727U (en) 2021-06-29

Family

ID=76532515

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022488941.8U Active CN213574727U (en) 2020-11-02 2020-11-02 Fan volute of indoor unit of air conditioner

Country Status (1)

Country Link
CN (1) CN213574727U (en)

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