CN211575490U - Buckle subassembly and return air subassembly, tuber pipe machine that have it - Google Patents

Abstract

The utility model discloses a buckle subassembly and return air subassembly, tuber pipe machine that has it, the buckle subassembly includes: a card slot; the clamping hook comprises a body part and a first matching part, the first matching part is arranged on the first side wall of the body part, at least one part of the free end of the first matching part inclines towards the center of the body part in the direction that the clamping hook stretches into the clamping groove, the thickness of the first matching part is smaller than that of the body part, when the clamping hook is matched with the clamping groove in place, the first side wall of the body part is spaced from the first inner wall of the clamping groove, and one part of the end face of the free end of the first matching part is abutted to the first inner wall of the clamping groove. The utility model discloses a buckle subassembly, in order to realize reliable buckle cooperation in the trip stretches into the draw-in groove, can fix a position the trip to a certain extent, prevent to a certain extent that the relative draw-in groove of trip from taking place to remove and break away from the inner wall of cooperation or striking draw-in groove with the draw-in groove, the reliability of structure is high.

Description

Buckle subassembly and return air subassembly, tuber pipe machine that have it

Technical Field

The utility model belongs to the technical field of air conditioning's technique and specifically relates to a buckle subassembly and return air subassembly, tuber pipe machine that has it is related to.

Background

In the buckle assembly of the related art, after the hook extends into the clamping groove to be in buckle fit, the position of the hook in the clamping groove is unstable, and the reliability of the structure of the buckle assembly is to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a buckle subassembly, the trip of being convenient for stretches into in the draw-in groove in order to realize reliable buckle cooperation, can fix a position the trip to a certain extent, can prevent to a certain extent that the relative draw-in groove of trip from taking place to remove and break away from the inner wall of cooperation or striking draw-in groove with the draw-in groove, and the reliability of structure is high.

The utility model discloses still provide a return air subassembly, including foretell buckle subassembly.

The utility model discloses provide an tuber pipe machine again, including foretell return air subassembly.

According to the utility model discloses buckle subassembly, include: a card slot; the clamping hook is suitable for extending into the clamping groove to be in buckling fit with the clamping groove, the clamping hook comprises a body portion and a first matching portion, the first matching portion is arranged on the first side wall of the body portion, at least one part of the free end of the first matching portion inclines towards the center of the body portion in the direction that the clamping hook extends into the clamping groove, the thickness of the first matching portion is smaller than that of the body portion, when the clamping hook is matched with the clamping groove in place, the first side wall of the body portion is spaced from the first inner wall of the clamping groove, and one part of the end face of the free end of the first matching portion is abutted to the first inner wall of the clamping groove.

According to the utility model discloses buckle subassembly, through making the trip include this body portion and first cooperation portion, in the direction that the trip stretched into the draw-in groove, at least some of the free end of first cooperation portion inclined towards the center of this body portion to the thickness of first cooperation portion is less than the thickness of this body portion, and when the trip and the draw-in groove cooperation target in place, the first lateral wall of this body portion was spaced apart with the first inner wall of draw-in groove, and a part of the terminal surface of the free end of first cooperation portion and the first inner wall butt of draw-in groove. Thereby the trip of being convenient for stretches into in the draw-in groove in order to realize reliable buckle cooperation. Meanwhile, the clamping hook can be positioned to a certain degree, the clamping hook can be prevented from moving relative to the clamping groove to a certain degree and being disengaged from the clamping groove or impacting the inner wall of the clamping groove, and therefore the reliability of the structure of the clamping component can be improved.

According to some embodiments of the utility model, the trip still includes second cooperation portion, be equipped with on the second lateral wall of this part of body the second cooperation portion, first lateral wall with the second lateral wall sets up relatively the trip stretches into in the direction of draw-in groove, at least some orientation of the free end of second cooperation portion the center slope of this part of body, and the thickness of second cooperation portion is less than the thickness of this part of body the trip with when the draw-in groove cooperation targets in place, this part of body the second lateral wall with the second inner wall of draw-in groove is spaced apart, the part of the terminal surface of the free end of second cooperation portion with the second inner wall butt of draw-in groove, first inner wall with the second inner wall sets up relatively.

According to the utility model discloses a return air subassembly for tuber pipe machine, include: the air return frame defines an air return channel; the air return grille is arranged at an air return opening of the air return channel; buckle subassembly, buckle subassembly is according to the utility model discloses the buckle subassembly of above-mentioned embodiment, the return air frame with be formed with on one in the return air grid the draw-in groove, the return air frame with be equipped with on another in the return air grid the trip.

According to the utility model discloses a return air subassembly for tuber pipe machine is through setting up the basis the utility model discloses the buckle subassembly of above-mentioned embodiment to be convenient for the trip stretches into in the draw-in groove in order to realize reliable buckle cooperation, and then the return air grid of being convenient for is connected with the buckle of return air frame. Can fix a position the trip to a certain extent simultaneously, can prevent to a certain extent that the relative draw-in groove of trip from taking place to remove and break away from the cooperation or striking the inner wall of draw-in groove with the draw-in groove, and then can improve the reliability of buckle subassembly's structure, improve the reliability that return air frame and return air grid buckle are connected, improve the reliability of return air subassembly.

According to the utility model discloses a some embodiments, the one end of return air grid is rotationally established on the return air frame, the other end passes through buckle subassembly with return air frame buckle cooperation.

According to some embodiments of the present invention, the side wall of the return frame and the ceiling are fixedly connected by a connecting member.

The utility model discloses an in some embodiments, be equipped with assembly portion on the return air frame, assembly portion includes the cooperation board, the cooperation board with the inside wall interval of return air frame sets up, be formed with first recess on the inside wall of cooperation board.

Further, the assembly portion further comprises a reinforcing piece, the reinforcing piece is located between the matching plate and the inner side wall of the air return frame, the reinforcing piece is formed into a cylindrical shape, a connecting hole penetrating through the reinforcing piece in the axial direction is formed in the reinforcing piece, and the connecting hole extends to the bottom wall of the first groove.

According to some embodiments of the present invention, the air return frame comprises a frame body and a decoration frame connected to each other, the frame body is adapted to be connected to a ceiling, the decoration frame is disposed in the frame body and defines the air return channel together with the frame body, and the air return grille is connected to the decoration frame by the fastening assembly; the return air subassembly still includes intellectual detection system device, intellectual detection system device establishes on the dress escutcheon, intellectual detection system device is constructed and is used for detecting whether there is user and/or detection room temperature in the space of tuber pipe machine.

The utility model discloses an in some embodiments, be equipped with the installation department on the frame body, the dress escutcheon is suitable for and establishes by lower supreme cover on the installation department just the lateral wall of dress escutcheon with the installation department passes through connecting piece fixed connection.

Further, a second groove is formed on the inner side wall of the decoration frame.

The utility model discloses an in some embodiments, the lateral wall of dress escutcheon with be equipped with cooperation card protruding on one of the lateral wall of frame body, the lateral wall of dress escutcheon with be equipped with cooperation card hole on another in the lateral wall of frame body, cooperation card protruding be suitable for stretch into with the location in the cooperation card hole dress escutcheon.

Furthermore, a reinforcing rib is arranged at the position of the matching clamping hole and extends along the circumferential direction of the matching clamping hole.

According to the utility model discloses a some embodiments, return air subassembly still includes dust collector, dust collector establishes in the return air passageway, dust collector is constructed and is used for adsorbing indoor dust and impurity.

In some embodiments of the present invention, the air return frame is a plastic material piece.

In some embodiments of the present invention, the dust removing device includes an electrostatic precipitator and a filter, and the filter is located upstream of the electrostatic precipitator in a flow direction of the air flow.

According to some embodiments of the invention, at least a portion of the lower end edge of the return frame extends outwardly to form a first cuff portion.

In some embodiments of the invention, a portion of the free end of the first hem portion is turned up to form a second hem portion.

Further, be equipped with strengthening rib portion on the periphery wall of return air frame, strengthening rib portion includes first strengthening rib and second strengthening rib, first strengthening rib is established on the lateral wall of return air frame, the first end of second strengthening rib links to each other with the first end of first strengthening rib, the second end of second strengthening rib is only supported on the second turn-ups portion.

Further, the strengthening rib portion still includes the third strengthening rib, the third strengthening rib is established on the outer diapire of return air frame, the first end of third strengthening rib with the second end of first strengthening rib links to each other, the second end orientation of third strengthening rib is kept away from the direction extension of first strengthening rib, the third strengthening rib with the second strengthening rib is located the both sides of first strengthening rib.

According to the utility model discloses tuber pipe machine, include according to the utility model discloses above-mentioned embodiment's return air subassembly.

According to the utility model discloses tuber pipe machine is through setting up the basis the utility model discloses above-mentioned embodiment's return air subassembly. Thereby be convenient for the trip to stretch into in the draw-in groove in order to realize reliable buckle cooperation, and then be convenient for the buckle of return air grid and return air frame is connected. Can fix a position the trip to a certain extent simultaneously, can prevent to a certain extent that the relative draw-in groove of trip from taking place to remove and break away from the cooperation or striking the inner wall of draw-in groove with the draw-in groove, and then can improve the reliability of buckle subassembly's structure, improve the reliability that return air frame and return air grid buckle are connected, improve tuber pipe machine's reliability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a return air grille according to some embodiments of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of a return air grille according to some embodiments of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic view of a return frame according to some embodiments of the present invention;

FIG. 6 is an enlarged view of portion C of FIG. 5;

fig. 7 is a schematic view of a return frame according to some embodiments of the present invention;

fig. 8 is a schematic view of a return frame according to some embodiments of the present invention;

fig. 9 is an enlarged view of portion D of fig. 8;

fig. 10 is a schematic view of a return frame according to some embodiments of the present invention;

FIG. 11 is a sectional view taken along line A-A of FIG. 10;

FIG. 12 is a sectional view taken in the direction B-B in FIG. 10;

fig. 13 is a schematic view of a frame body according to some embodiments of the present invention;

fig. 14 is a schematic view of a decorative frame according to some embodiments of the present invention;

fig. 15 is a schematic view of a decorative frame according to some embodiments of the present invention;

fig. 16 is a schematic view of a return air assembly according to some embodiments of the present invention;

fig. 17 is a schematic view of a return air assembly according to some embodiments of the present invention;

FIG. 18 is a cross-sectional view taken in the direction of C-C in FIG. 17;

fig. 19 is a schematic view of a return frame according to some embodiments of the present invention;

FIG. 20 is a cross-sectional view taken in the direction D-D of FIG. 19;

fig. 21 is a schematic view of a return frame according to some embodiments of the present invention;

fig. 22 is a schematic view of a return frame according to some embodiments of the present invention;

fig. 23 is a schematic view of a return frame according to some embodiments of the present invention.

Reference numerals:

1. a card slot; 11. a first inner wall; 12. a second inner wall;

2. a hook is clamped; 21. a body portion; 211. a first side wall; 212. a second side wall;

22. a first mating portion; 23. a second mating portion;

100. an air return component;

20. an air return frame; 201. an air return channel; 202. an air return opening;

3. an assembling portion; 31. a mating plate; 311. a first groove; 32. a reinforcement; 321. connecting holes;

4. a frame body; 41. an installation part; 411. connecting columns; 4111. a fixing hole; 42. matching with the clamping protrusion;

5. a decorative frame; 51. a second groove; 52. matching with the clamping hole; 53. reinforcing ribs; 54. an observation hole;

6. a first burring; 7. a second burring;

30. an intelligent detection device; 301. a user detection unit; 302. a temperature detection unit;

40. a dust removal device; 401. an electrostatic precipitator; 402. a filter;

50. a reinforcing rib portion; 501. a first reinforcing rib; 502. a second reinforcing rib; 503. a third reinforcing rib;

60. and an air return grille.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes a buckle assembly according to an embodiment of the present invention with reference to the accompanying drawings. As shown in fig. 1-7, the snap-fit assembly may be used in a return air assembly 100 of a ducted air machine, for example, to matingly attach the return air frame 20 to the return air grille 60.

As shown in fig. 1, 3, 5 and 7, according to the utility model discloses a buckle subassembly includes: a card slot 1 and a card hook 2.

Specifically, the hook 2 is adapted to extend into the slot 1 to be snap-fitted with the slot 1. As shown in fig. 2 and 4, the hook 2 includes a body portion 21 and a first matching portion 22, the first matching portion 22 is disposed on the first side wall 211 of the body portion 21, at least a part of a free end of the first matching portion 22 is inclined toward the center of the body portion 21 in a direction in which the hook 2 extends into the card slot 1, and a thickness of the first matching portion 22 is smaller than a thickness of the body portion 21, when the hook 2 is matched with the card slot 1 in place, the first side wall 211 of the body portion 21 is spaced apart from the first inner wall 11 of the card slot 1, and a part of an end surface of the free end of the first matching portion 22 abuts against the first inner wall 11 of the card slot 1.

Therefore, the inclined part of the first matching part 22 has a certain guiding effect, so that the hook 2 is aligned with the slot 1, and the hook 2 can extend into the slot 1 to realize reliable buckling matching.

Meanwhile, when the hook 2 is matched with the slot 1 in place, the first side wall 211 of the body part 21 is spaced apart from the first inner wall 11 of the slot 1, and a part of the first matching part 22 can block a gap between the first side wall 211 of the body part 21 and the first inner wall 11 of the slot 1, so that the hook 2 can be positioned to a certain extent, the hook 2 can be prevented from moving relative to the slot 1 to be disengaged from the slot 1 or impacting the inner wall of the slot 1 to a certain extent, and the reliability of the structure of the buckle assembly can be improved. Meanwhile, the appearance of the structural part using the buckle assembly is attractive, and the phenomenon that a user raises head to see the inside of the clamping groove 1 from a gap between the clamping hook 2 and the clamping groove 1 is avoided to a certain extent. And it can be understood that since the thickness of the first fitting portion 22 is smaller than that of the body portion 21, the weight reduction of the hook 2 is facilitated.

According to the utility model discloses buckle subassembly, through making trip 2 include this body portion 21 and first cooperation portion 22, in the direction that trip 2 stretched into draw-in groove 1, at least some of the free end of first cooperation portion 22 inclines towards the center of this body portion 21 to the thickness of first cooperation portion 22 is less than the thickness of this body portion 21, when trip 2 and draw-in groove 1 cooperate to target in place, the first side wall 211 of this body portion 21 is spaced apart with the first inner wall 11 of draw-in groove 1, a part of the terminal surface of the free end of first cooperation portion 22 and the first inner wall 11 butt of draw-in groove 1. Thereby being convenient for the trip 2 to stretch into the draw-in groove 1 in order to realize reliable buckle cooperation. Can fix a position trip 2 to a certain extent simultaneously, can prevent to a certain extent that trip 2 from taking place to remove and breaking away from the cooperation or striking the inner wall of draw-in groove 1 with draw-in groove 1 relatively, and then can improve the reliability of buckle subassembly's structure.

As shown in fig. 4, according to some embodiments of the present invention, the hook 2 further includes a second matching portion 23, the second matching portion 23 is disposed on the second side wall 212 of the body portion 21, the first side wall 211 and the second side wall 212 are disposed oppositely, in a direction in which the hook 2 extends into the slot 1, at least a portion of a free end of the second matching portion 23 is inclined toward a center of the body portion 21, and a thickness of the second matching portion 23 is smaller than a thickness of the body portion 21, when the hook 2 is matched with the slot 1 in place, the second side wall 212 of the body portion 21 is spaced apart from the second inner wall 12 of the slot 1, a portion of a end surface of the free end of the second matching portion 23 abuts against the second inner wall 12 of the slot 1, and the first inner wall 11 and the second inner wall 12 are disposed oppositely.

Therefore, the inclined part of the second matching part 23 has a certain guiding effect, so that the clamping hook 2 is aligned with the clamping groove 1 more conveniently, and the clamping hook 2 conveniently extends into the clamping groove 1 to realize reliable buckle matching.

Meanwhile, when the hook 2 is matched with the slot 1 in place, the second side wall 212 of the body part 21 is spaced apart from the second inner wall 12 of the slot 1, and a part of the second matching part 23 can block a gap between the second side wall 212 of the body part 21 and the second inner part 12 of the slot 1, so that the hook 2 can be further positioned, because the first side wall 211 and the second side wall 212 are oppositely arranged, the hook 2 can be limited from the two opposite sides of the hook 2, and the structural arrangement of the second matching part 23 can effectively prevent the hook 2 from moving relative to the slot 1 and being disengaged from the slot 1 or impacting the inner wall of the slot 1, and further improve the structural reliability of the buckle assembly. Meanwhile, the appearance of the structural part using the buckle assembly is attractive, and the situation that a user sees the inside of the clamping groove 1 from a gap between the clamping hook 2 and the clamping groove 1 is further avoided. And it can be understood that since the thickness of the second fitting portion 23 is smaller than that of the body portion 21, the weight reduction of the hook 2 is further facilitated.

Specifically, as shown in fig. 1 and 2, the outer surface of the first fitting portion 22 and/or the outer surface of the second fitting portion 23 are flush with the outer surface of the body portion 21. Thereby making the appearance of the trip 2 beautiful, convenient for manufacture and convenient for assembly.

Specifically, as shown in fig. 3 and 4, the first fitting portion 22 and the second fitting portion 23 are symmetrically disposed with respect to the body portion 21. Thereby be convenient for the production manufacturing of trip 2, make the structure of trip 2 distribute evenly, improve the structural strength of trip 2 to a certain extent.

As shown in fig. 1-7, a return air assembly 100 for a ducted air conditioner according to an embodiment of the present invention includes: a return air frame 20, a return air grill 60, and a snap assembly.

Specifically, the return air frame 20 defines a return air channel 201, and the return air grille 60 is provided at a return air inlet 202 of the return air channel 201. The buckle subassembly is according to the utility model discloses above-mentioned embodiment's buckle subassembly is formed with draw-in groove 1 on one in return air frame 20 and the return air grid 60, is equipped with trip 2 on another in return air frame 20 and the return air grid 60.

It can be seen that the return air grille 60 is disposed at the return air inlet 202 and can be snap-fit to the return air frame 20 by a snap-fit assembly. And can understand, in the embodiment of the utility model discloses a can be formed with draw-in groove 1 on the frame 20 for returning air, be equipped with trip 2 on the return air grid 60, and then realize that the buckle cooperation of return air frame 20 and return air grid 60 is connected. The air return frame 20 can also be provided with a clamping hook 2, and the air return grille 60 is provided with a clamping groove 1, so that the air return frame 20 is connected with the air return grille 60 in a clamping and matching manner. It can be understood of course that, when the buckle subassembly is the multiunit, the trip 2 among the multiunit buckle subassembly can be established respectively on return air frame 20 and return air grid 60, and this moment, also can establish respectively on the position that return air grid 60 and return air frame 20 correspond with a plurality of trip 2 complex draw-in groove 1 one by one, and then realize in every group buckle subassembly trip 2 and draw-in groove 1's buckle cooperation, realize that return air frame 20 and return air grid 60's buckle is connected can.

Meanwhile, due to the arrangement of the clamping component in the air return component 100, the clamping hook 2 can conveniently extend into the clamping groove 1 to realize reliable clamping fit, and then the air return grille 60 can be conveniently connected with the clamping buckle of the air return frame 20. Can fix a position trip 2 to a certain extent simultaneously, can prevent to a certain extent that trip 2 from taking place to remove and break away from the cooperation or striking the inner wall of draw-in groove 1 with draw-in groove 1 relatively, and then can improve the reliability of buckle subassembly's structure, improve the reliability that return air frame 20 and return air grid 60 buckle are connected, improve the reliability of return air subassembly 100.

According to the utility model discloses a return air subassembly 100 for tuber pipe machine is through setting up the basis the utility model discloses the buckle subassembly of above-mentioned embodiment to be convenient for trip 2 stretches into in the draw-in groove 1 with the buckle cooperation of realization reliable, and then the buckle of the return air grid 60 of being convenient for and return air frame 20 is connected. Can fix a position trip 2 to a certain extent simultaneously, can prevent to a certain extent that trip 2 from taking place to remove and break away from the cooperation or striking the inner wall of draw-in groove 1 with draw-in groove 1 relatively, and then can improve the reliability of buckle subassembly's structure, improve the reliability that return air frame 20 and return air grid 60 buckle are connected, improve the reliability of return air subassembly 100.

According to some embodiments of the utility model, the one end of return air grid 60 is rotationally established on return air frame 20, and the other end passes through buckle subassembly and return air frame 20 snap-fit. Therefore, the matching mode of the return air grille 60 and the return air frame 20 is simple and reliable, and the installation of the return air grille 60 is convenient. In addition, when the components in the return air channel 201 are maintained, the snap-fit ends of the return air grille 60 and the return air frame 20 are only required to be disengaged. The maintenance of the air duct machine is facilitated to a certain extent.

Specifically, as shown in fig. 1 and 5, the fastening assemblies are in multiple groups, the hooks 2 in each group of fastening assemblies are arranged on the return air grille 60, the return air frame 20 is provided with a plurality of slots 1 corresponding to the hooks 2 one to one, and the hooks 2 are arranged on the return air grille 60 at intervals. The installation and the disassembly of the return air grille 60 and the return air frame 20 are further facilitated, and meanwhile, the reliability of the return air grille 60 arranged at the return air inlet 202 can be improved to a certain extent, the reliability of the return air assembly 100 is improved, and the reliability of the air duct machine is further improved.

According to some embodiments of the present invention, the side wall of the return air frame 20 is fixedly connected to the ceiling through a connecting member. It can be seen that, in the embodiment of the present invention, the air return assembly 100 can be fixedly connected to the ceiling through the side wall of the air return frame 20 to be fixed to the ceiling. It can be understood that when the air return frame 20 is fixed to the ceiling by the connector, a part of the connector needs to penetrate through the sidewall of the air return frame 20 from the side to be fixed to the ceiling, and then when the air return grille 60 opens the air return opening 202, the connector can be prevented from being seen by the user from being raised to some extent, which is beneficial to improving the visual experience of the user. It can be understood that the side wall of the return air frame 20 can be fixedly connected with the wood keel on the ceiling, and the thickness of the wood keel can be thickened in advance before the return air assembly 100 is fixed on the ceiling, so that the fixed connection of the return air frame 20 is facilitated, and the reliability of the return air frame 20 fixed on the ceiling is improved.

As shown in fig. 8 and 9, in some embodiments of the present invention, the air return frame 20 is provided with the assembling portion 3, the assembling portion 3 includes the matching plate 31, the matching plate 31 is spaced apart from the inner sidewall of the air return frame 20, and the inner sidewall of the matching plate 31 is formed with the first groove 311. The inner side wall of the fitting plate 31 refers to a side wall of the fitting plate 31 close to the return air duct 201 and far from the peripheral wall of the return air frame 20. So that the coupling member can be coupled at the first recess 311 when the return air frame 20 is fixed to the ceiling using the coupling member. Then, after connection, the end of the connector remote from the ceiling may be located in the first recess 311. For example, when the connecting member is a screw, the nut of the screw may be located in the first recess 311, and the other end may pass through the bottom wall of the first recess 311 and then pass through the side wall of the return air frame 20 to protrude into the ceiling. And then can't see the connecting piece when the user looks the return air frame 20 new line, improve the outward appearance aesthetic property of return air frame 20, promote user's visual experience. Meanwhile, the first groove 311 can support the connecting piece to a certain extent, which is beneficial to improving the stability of the air return frame 20 fixed on the ceiling.

Further, as shown in fig. 8 to 11, the fitting part 3 further includes a reinforcing member 32, the reinforcing member 32 is located between the fitting plate 31 and the inner side wall of the return air frame 20, the reinforcing member 32 is formed in a cylindrical shape, a connection hole 321 axially penetrating through the reinforcing member 32 is provided in the reinforcing member 32, and the connection hole 321 extends to the bottom wall of the first groove 311. So that when the return air frame 20 is fixed to the ceiling by the coupling member, one end of the coupling member is inserted through the coupling hole 321 along the bottom wall of the first recess 311 and finally inserted into the ceiling. Therefore, the reinforcing part 32 can improve the supporting effect on the connecting part, and the situation that the side wall of the return air frame 20 is cut by the connecting part (such as a screw) after the return air frame 20 descends downwards under the action of gravity to cause unreliable fixing of the whole panel is avoided, so that the stability of fixing the return air frame 20 on a ceiling is improved. It can be understood that the reinforcing support effect of the reinforcing member 32 is better when the size of the connecting member is matched with the size of the connecting hole 321.

As shown in fig. 10, 12 and 16, according to some embodiments of the present invention, the air return frame 20 includes the frame body 4 and the decoration frame 5 connected to each other, the frame body 4 is suitable for being connected to the ceiling, the decoration frame 5 is disposed in the frame body 4 and defines the air return channel 201 together with the frame body 4, and the air return grille 60 is connected to the decoration frame 5 by the snap-fit assembly. The return air assembly 100 further comprises a smart detection device 30, the smart detection device 30 is arranged on the decoration frame 5, and the smart detection device 30 is configured to detect whether a user is in the space where the air duct machine is located and/or detect the indoor temperature.

Therefore, the intelligent detection device 30 can be configured to be only used for detecting whether a user is in the space where the air duct machine is located, and then the detection result can be sent to the electric control device of the air duct machine, and the electric control device of the air duct machine can control the operation state of the air duct machine according to the detection result, for example, when the intelligent detection device 30 detects that no user is in the space where the air duct machine is located, the electric control device of the air duct machine can close the air duct machine, so that the power consumption of the user is favorably saved, the use cost is reduced, and the energy consumption of the air duct machine is reduced. For another example, when the intelligent detection device 30 detects that a user is in the space where the air duct machine is located, the electric control device of the air duct machine can turn on the air duct machine to cool or heat the indoor space, so that the comfort of the user is improved, and the air duct machine is more intelligent and flexible to use.

The intelligent detection device 30 may also be configured to detect only the indoor temperature of the space where the ducted air conditioner is located, and then feed back the detection result to the electric control device of the ducted air conditioner, and the electric control device automatically adjusts the heat exchange temperature of the ducted air conditioner according to the detection result and the target temperature set by the user so that the indoor temperature reaches the target temperature set by the user.

Of course, the intelligent detection device 30 can also be configured to detect whether there is a user in the space and detect the indoor temperature, so as to expand the functions of the intelligent detection device 30 and improve the intelligence of the duct machine.

Because intellectual detection system device 30 establishes in return air inlet 202 department to compare with prior art the utility model discloses in, can avoid intellectual detection system device 30 to be sheltered from by objects such as lamp area effectively and influence intellectual detection system device 30's detection range and testing result, improve the accuracy and the reliability that intellectual detection system device 30 detected. No matter how the indoor suspended ceiling is, the normal use of the intelligent detection device 30 is not influenced, so that the air duct machine can be suitable for suspended ceilings with different decoration styles, the working reliability of the air duct machine is ensured, and the application range of the air duct machine is enlarged. Meanwhile, it can be understood that, for the air duct machine, the air flow temperature at the air return inlet 202 is the temperature of the relatively real indoor heat exchange space, so that when the intelligent detection device 30 is arranged at the air return inlet 202 to detect the indoor temperature, the detection result is more accurate, the reliability of the air return assembly 100 can be improved, the working efficiency of the air duct machine is improved, and the use experience of a user is facilitated to be improved.

As shown in fig. 14 and 16, according to some embodiments of the present invention, the intelligent detection device 30 includes a user detection portion 301 and a temperature detection portion 302, two observation holes 54 are provided on the decorative frame 5, the user detection portion 301 and the temperature detection portion 302 are respectively provided in the two observation holes 54 and are independent of each other, the user detection portion 301 is configured to detect whether a user is present in the space where the duct type air conditioner is located, and the temperature detection portion 302 is configured to detect the indoor temperature. Therefore, the intelligent detection device 30 can detect whether the air duct machine is located in a space and can detect indoor temperature. Further diversifying the functions of the intelligent detection device 30. Alternatively, the user detection part 301 may include a smart eye, and the temperature detection part 302 may include an infrared sensor. And the reliability of detection by the intelligent detection device 30 can be improved.

As shown in fig. 13, in some embodiments of the present invention, the frame body 4 is provided with an installation portion 41, the decoration frame 5 is suitable for being sleeved on the installation portion 41 from bottom to top, and the side wall of the decoration frame 5 is fixedly connected to the installation portion 41 through a connecting member. Therefore, the connection mode of the decorative frame 5 and the frame body 4 is simple and reliable.

Further, as shown in fig. 14, a second groove 51 is formed on an inner sidewall of the deco-frame 5. The inner side wall of the decorative frame 5 refers to a side wall of the decorative frame 5 close to the return air duct 201 and far from the peripheral wall of the return air frame 20. So that the coupling member can be coupled at the second groove 51 when the deco-frame 5 is coupled with the mounting portion 41 using the coupling member. Then, after connection, an end of the connector remote from the mounting portion 41 may be located in the second recess 51. For example, when the connecting member is a screw, the nut of the screw may be located in the second groove 51, and the other end of the screw may penetrate through the bottom wall of the second groove 51 and extend into the mounting portion 41. And then can't see the connecting piece when the user looks the return air frame 20 new line, improve the outward appearance aesthetic property of return air frame 20, promote user's visual experience. Meanwhile, the second groove 51 can support the connecting piece to a certain extent, and is beneficial to improving the stability of the decoration frame 5 fixed on the frame body 4.

Specifically, as shown in fig. 13 and 14, a connection column 411 is disposed on the mounting portion 41, a fixing hole 4111 is disposed on the connection column 411, one end of the connection member is adapted to be located in the second groove 51, and the other end of the connection member passes through the second groove 51 to extend into the fixing hole 4111. Therefore, the connecting column 411 can improve the supporting effect of the connecting piece, and is convenient for the fixed connection between the decoration frame 5 and the installation part 41. Thereby contributing to improvement of the reliability of the decoration frame 5 provided on the frame body 4.

As shown in fig. 13 and 15, in some embodiments of the present invention, a matching protrusion 42 is disposed on one of the side wall of the decoration frame 5 and the side wall of the frame body 4, a matching hole 52 is disposed on the other of the side wall of the decoration frame 5 and the side wall of the frame body 4, and the matching protrusion 42 is adapted to extend into the matching hole 52 to position the decoration frame 5. Thus, in the embodiment of the present invention, the side wall of the decorative frame 5 may be provided with the engaging protrusion 42, and the side wall of the frame body 4 is provided with the engaging hole 52. The side wall of the decorative frame 5 can also be provided with a matching clamping hole 52, and the side wall of the frame body 4 is provided with a matching clamping protrusion 42. Therefore, the decorative frame 5 can be positioned on the frame body 4 through the matching of the matching clamping protrusions 42 and the matching clamping holes 52, so that the assembling process of the decorative frame 5 can be improved, and the installation efficiency of the air return assembly 100 can be improved. And simultaneously, the disassembly of the decorative frame 5 is convenient. Alternatively, at least a portion of the mating snap projection 42 decreases in cross-sectional area in a direction from the root of the mating snap projection 42 toward the free end of the mating snap projection 42. And thus, can function as a guide for the engagement protrusion 42 to extend into the engagement hole 52.

Further, as shown in fig. 15, a reinforcing rib 53 is provided at the fitting click hole 52, and the reinforcing rib 53 extends in the circumferential direction of the fitting click hole 52. Therefore, the strength of the matching clamping hole 52 can be strengthened to a certain extent by the arrangement of the reinforcing ribs 53, and the stability of the matching clamping protrusion 42 after extending into the matching clamping hole 52 is improved. Thereby being beneficial to ensuring the reliability of the decoration frame 5 fixed on the frame body 4 and improving the reliability of the return air assembly 100. It is understood that, as shown in fig. 15, when the decorative frame 5 is provided with the fitting catching hole 52, the reinforcing rib 53 is located on the decorative frame 5. When the frame body 4 is provided with the fitting engaging hole 52, the reinforcing rib 53 is located on the frame body 4. Alternatively, when the decorative frame 5 is provided with the fitting click hole 52, the reinforcing rib 53 may be defined by folding back a portion of the decorative frame 5 located at the edge of the fitting click hole 52. When the frame body 4 is provided with the fitting click hole 52, the reinforcing rib 53 may be defined by folding over a portion of the frame body 4 at the edge of the fitting click hole 52.

As shown in fig. 17 and 18, according to some embodiments of the present invention, the return air assembly 100 further includes a dust removing device 40, the dust removing device 40 is provided in the return air passage 201, and the dust removing device 40 is configured to adsorb dust and impurities in a room. Thereby improving the cleanliness of indoor air and being beneficial to the health of users.

In some embodiments of the present invention, the return air frame 20 is a plastic material. Therefore, the mass of the air return frame 20 is light, and the air duct machine is light in weight.

As shown in fig. 18, in some embodiments of the present invention, the dust removing device 40 includes an electrostatic precipitator 401 and a filter 402, and the filter 402 is located upstream of the electrostatic precipitator 401 in the flow direction of the air flow. It can be seen that, when the dust removing device 40 is in operation, the air sucked into the air return opening 202 may be first filtered by the filter 402 to filter the large dust particles and impurities in the filter 402, and then the electrostatic precipitator 401 may be used to adsorb the small dust particles. Therefore, the dust removal effect of the dust removal device 40 can be enhanced, and the cleanliness of the indoor air can be effectively improved. Meanwhile, the reliability of the electrostatic dust collector 401 is improved, the service life of the electrostatic dust collector 401 is prolonged, and the reliability of the dust removing device 40 is improved.

As shown in fig. 19 and 20, according to some embodiments of the present invention, at least a portion of the lower end edge of the return air frame 20 extends outward to form the first burring 6. Known, after installing return air frame 20 to the ceiling, must have the gap between return air frame 20 and the ceiling to the setting of first turn-ups portion 6 can shelter from the gap effectively, avoids the user to look through the gap inside looking at the ceiling with rising, promotes user's visual experience, improves the outward appearance aesthetic property of return air subassembly 100, improves the outward appearance aesthetic property of tuber pipe machine. Of course, the arrangement of the first flanging part 6 can also prevent dust or impurities in the ceiling from falling into the indoor space through the gap to a certain extent, and the comfort of users is improved.

As shown in fig. 20 and 21, in some embodiments of the present invention, a portion of the free end of the first hem portion 6 is turned over upward to form the second hem portion 7. This improves the structural strength of the first burring 6 and improves the structural strength of the return frame 20.

Further, as shown in fig. 20 to 23, the outer peripheral wall of the return air frame 20 is provided with a reinforcing rib portion 50, the reinforcing rib portion 50 includes a first reinforcing rib 501 and a second reinforcing rib 502, the first reinforcing rib 501 is provided on the outer side wall of the return air frame 20, a first end of the second reinforcing rib 502 is connected to a first end of the first reinforcing rib 501, and a second end of the second reinforcing rib 502 is stopped against the second flange portion 7. Therefore, the arrangement of the first reinforcing ribs 501 can improve the structural strength of the outer side wall of the air return frame 20 to a certain extent, and is beneficial to preventing the air return frame 20 from being stressed to protrude outwards, so that the appearance attractiveness of the air return assembly 100 after the air return grille 60 is installed is improved. The second reinforcing rib 502 can improve the stability of the second flanging part 7 to a certain extent, and is beneficial to preventing the second flanging part 7 from deforming, so that the air return frame 20 is prevented from being stressed inwards and sunken, and a reliable space for installing the air return grille 60 at the air return opening 202 can be ensured. The arrangement of the bead portions 50 can thereby improve the strength and reliability of the structure of the return air assembly 100. Specifically, an end of the first reinforcing rib 501, which is away from the outer side wall of the return air frame 20, is attached to the ceiling, for example, an end of the first reinforcing rib 501, which is away from the outer side wall of the return air frame 20, is attached to a wood keel on the ceiling.

Further, as shown in fig. 20, the bead part 50 further includes a third bead 503, the third bead 503 is disposed on the outer bottom wall of the return air frame 20, a first end of the third bead 503 is connected to a second end of the first bead 501, the second end of the third bead 503 extends in a direction away from the first bead 501, and the third bead 503 and the second bead 502 are located on two sides of the first bead 501. Therefore, the overall structure of the reinforcing rib part 50 is formed into a zigzag shape, which is beneficial to improving the structural strength of the reinforcing rib part 50, and further improving the structural strength and reliability of the air return assembly 100. Meanwhile, the third reinforcing ribs 503 can also improve the structural strength of the bottom wall of the return air frame 20 to some extent, and prevent the bottom wall of the return air frame 20 from deforming to some extent. Alternatively, the bead part 50 is fixed to the return frame 20 by screws. Optionally, the bead 50 is welded to the return frame 20. Alternatively, the first reinforcing bead 501 extends in the vertical direction, and the second and third reinforcing beads 502 and 503 extend in the horizontal direction. Specifically, the bead portion 50 is an integrally formed member.

According to the utility model discloses tuber pipe machine, include according to the utility model discloses the return air subassembly 100 of above-mentioned embodiment.

According to the utility model discloses tuber pipe machine, through setting up the basis the utility model discloses above-mentioned embodiment's return air subassembly 100. Thereby be convenient for trip 2 to stretch into in the draw-in groove 1 in order to realize reliable buckle cooperation, and then be convenient for the buckle of return air grid 60 and return air frame 20 is connected. Can fix a position trip 2 to a certain extent simultaneously, can prevent to a certain extent that trip 2 from taking place to remove and break away from the cooperation or striking the inner wall of draw-in groove 1 with draw-in groove 1 relatively, and then can improve the reliability of buckle subassembly's structure, improve the reliability that return air frame 20 and return air grid 60 buckle are connected, improve tuber pipe machine's reliability.

Other constructions and operations of the ducted air conditioner according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (20)

1. A snap assembly, comprising:

a card slot;

the clamping hook is suitable for extending into the clamping groove to be matched with the clamping groove in a buckling mode, the clamping hook comprises a body part and a first matching part, the first matching part is arranged on the first side wall of the body part, at least one part of the free end of the first matching part inclines towards the center of the body part in the direction that the clamping hook extends into the clamping groove, and the thickness of the first matching part is smaller than that of the body part,

when the clamping hook and the clamping groove are matched in place, the first side wall of the body part is spaced from the first inner wall of the clamping groove, and one part of the end surface of the free end of the first matching part is abutted against the first inner wall of the clamping groove.

2. The buckle assembly according to claim 1, wherein the hook further includes a second engagement portion provided on a second side wall of the body portion, the first side wall being disposed opposite to the second side wall, at least a portion of a free end of the second engagement portion being inclined toward a center of the body portion in a direction in which the hook extends into the hook groove, and a thickness of the second engagement portion being smaller than a thickness of the body portion,

when the clamping hook and the clamping groove are matched in place, the second side wall of the body part is spaced from the second inner wall of the clamping groove, one part of the end face of the free end of the second matching part is abutted against the second inner wall of the clamping groove, and the first inner wall and the second inner wall are arranged oppositely.

3. A return air assembly for a ducted air conditioner, comprising:

the air return frame defines an air return channel;

the air return grille is arranged at an air return opening of the air return channel;

the buckle assembly according to any one of claims 1 to 2, wherein the locking groove is formed on one of the return air frame and the return air grille, and the locking hook is arranged on the other of the return air frame and the return air grille.

4. The return air assembly for the duct machine as claimed in claim 3, wherein one end of the return air grille is rotatably provided on the return frame, and the other end thereof is snap-fitted to the return air frame through the snap-fit assembly.

5. The return air assembly for a duct unit of claim 3, wherein the side walls of the return frame are fixedly attached to the ceiling by connectors.

6. The return air assembly for the duct unit according to claim 5, wherein the return frame is provided with an assembling portion, the assembling portion includes a fitting plate, the fitting plate is spaced apart from an inner side wall of the return frame, and a first groove is formed in the inner side wall of the fitting plate.

7. The return air assembly for the duct unit according to claim 6, wherein the fitting portion further includes a reinforcing member located between the fitting plate and the inner side wall of the return frame, the reinforcing member being formed in a cylindrical shape, a connecting hole axially penetrating the reinforcing member being provided in the reinforcing member, the connecting hole extending to the bottom wall of the first groove.

8. The return air assembly for the ducted air conditioner of claim 3, wherein the return air frame includes a frame body and a trim frame connected thereto, the frame body adapted to be connected to a ceiling, the trim frame disposed within the frame body and defining the return air channel with the frame body, the return air grille being cooperatively connected to the trim frame by the snap assembly;

the return air subassembly still includes intellectual detection system device, intellectual detection system device establishes on the dress escutcheon, intellectual detection system device is constructed and is used for detecting whether there is user and/or detection room temperature in the space of tuber pipe machine.

9. The return air assembly for the duct unit according to claim 8, wherein the frame body is provided with an installation portion, and the decorative frame is adapted to be sleeved on the installation portion from bottom to top, and the side wall of the decorative frame is fixedly connected with the installation portion through a connecting member.

10. The return air assembly for a duct unit as set forth in claim 9, wherein a second groove is formed in an inner side wall of the decorative frame.

11. The return air assembly for the duct unit according to claim 8, wherein one of the side wall of the trim frame and the side wall of the frame body is provided with a fitting protrusion, and the other of the side wall of the trim frame and the side wall of the frame body is provided with a fitting hole, and the fitting protrusion is adapted to protrude into the fitting hole to position the trim frame.

12. The return air assembly for a duct unit according to claim 11, wherein a reinforcing rib is provided at the engagement hole, the reinforcing rib extending in a circumferential direction of the engagement hole.

13. The return air assembly for a duct machine as set forth in claim 3, further comprising a dust extraction device disposed within the return air duct, the dust extraction device being configured to adsorb dust and contaminants from within the room.

14. The return air assembly for a duct machine of claim 13, wherein the return frame is a piece of plastic material.

15. The return air assembly for a duct machine according to claim 13, wherein the dust removing device includes an electrostatic precipitator and a filter, the filter being located upstream of the electrostatic precipitator in a flow direction of the air flow.

16. A return air assembly for a duct machine according to claim 3, wherein at least a portion of a lower end edge of the return frame extends outwardly to form a first cuff portion.

17. A return air assembly for a duct machine as set forth in claim 16 wherein a portion of the free end of said first turn-up is folded upwardly to form a second turn-up.

18. The return air assembly for the duct unit according to claim 17, wherein the outer peripheral wall of the return air frame is provided with a reinforcing rib portion, the reinforcing rib portion includes a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is provided on the outer side wall of the return air frame, a first end of the second reinforcing rib is connected to a first end of the first reinforcing rib, and a second end of the second reinforcing rib abuts against the second flange portion.

19. The return air assembly for the duct unit according to claim 18, wherein the reinforcing rib portion further includes a third reinforcing rib, the third reinforcing rib is provided on the outer bottom wall of the return air frame, a first end of the third reinforcing rib is connected to a second end of the first reinforcing rib, the second end of the third reinforcing rib extends in a direction away from the first reinforcing rib, and the third reinforcing rib and the second reinforcing rib are located on both sides of the first reinforcing rib.

20. A ducted air conditioner including a return air assembly for a ducted air conditioner according to any one of claims 3 to 19.

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