CN220506914U - Air duct machine - Google Patents

Abstract

The utility model provides an air duct machine, which comprises: the shell and the heat exchanger and the fan are arranged in the shell; further comprises: the electronic expansion valve is arranged in the shell and is provided with a first connecting pipe and a second connecting pipe; damping piece, damping piece includes: a fixing part which is arranged outside the heat exchanger; the two vibration reduction parts are arranged at intervals and are convexly arranged on the side surface of the fixing part, which is away from the heat exchanger; the mounting parts are arranged on the two vibration reduction parts in a penetrating way, and the two mounting parts are arranged in parallel; the first connecting pipe and the second connecting pipe are respectively in interference fit with the two vibration reduction parts, so that the electronic expansion valve is fixed on the vibration reduction piece. According to the air duct machine provided by the utility model, the vibration reduction piece is arranged to buffer and fix the electronic expansion valve, so that the damage rate of the electronic expansion valve is reduced. Meanwhile, the two connecting pipes are respectively arranged on the two vibration reduction parts arranged at intervals, so that resonance is avoided, and the operation reliability of the air duct machine is improved.

Description

Air duct machine

Technical Field

The utility model belongs to the technical field of air conditioners, and particularly relates to an air duct machine.

Background

The air duct air conditioner is widely used as a common air conditioner, and comprises an air duct machine and an air conditioner external machine, wherein the air duct machine is an air conditioner indoor machine and is arranged indoors. The air duct air conditioner includes an evaporator, a heat exchanger, and an expansion valve that expands a liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The expansion valve comprises an electronic expansion valve and a thermal expansion valve, and has more advantages compared with the thermal expansion valve, such as the refrigerant flow can be adjusted in a larger range, the superheat degree can be manually set and adjusted, the reaction speed is high, and the effect can be seen through adjustment. With the development of technology, electronic expansion valves gradually replace thermal expansion valves and are widely applied to air-conditioning of air pipes.

In the related art, the electronic expansion valve is provided with a valve body and two connecting pipes connected with the valve body, wherein the two connecting pipes are respectively connected with the evaporator and the condenser and used for realizing the circulation of refrigerant between the electronic expansion valve and the evaporator and the condenser. The valve body and the two connecting pipes of the existing electronic expansion valve are not fixed by other parts, so that the electronic expansion valve is supported and installed only by means of connection of the two connecting pipes, and the installation stability of the electronic expansion valve is poor.

When the air pipe machine falls down or vibrates in transportation, due to the influence of inertia, the electronic expansion valve in the installation form can collide, so that a connecting pipe on the electronic expansion valve is bent and deformed, and even the electronic expansion valve can be damaged, thereby causing leakage of refrigerant, increasing maintenance cost while affecting use of a user, and reducing user experience and market competitiveness of the air pipe air conditioner.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose,

according to an embodiment of the present disclosure, there is provided an air duct machine including:

the shell is provided with an air inlet and an air outlet;

the heat exchanger is arranged in the shell and is used for exchanging heat with air entering the shell;

The fan is arranged in the shell, and introduces air into the shell from the air inlet, exchanges heat through the heat exchanger and then is sent out from the air outlet;

the electronic expansion valve is arranged in the shell, and a first connecting pipe and a second connecting pipe are arranged on the electronic expansion valve;

a vibration damping member, comprising:

a fixing part which is arranged outside the heat exchanger;

the two vibration reduction parts are arranged at intervals and are convexly arranged on the side surface of the fixing part, which is away from the heat exchanger;

the installation parts are arranged on the two vibration reduction parts in a penetrating way, are arranged in parallel and are respectively connected with the first connecting pipe and the second connecting pipe in an adaptive way;

the first connecting pipe and the second connecting pipe are respectively in interference fit with the two vibration reduction parts, so that the electronic expansion valve is fixed on the vibration reduction piece.

According to the air duct machine, the vibration reduction piece is arranged to buffer and fix the electronic expansion valve, deformation and bending of the first connecting pipe and the second connecting pipe caused by falling impact or vibration impact in transportation of the air duct machine are avoided, the damage rate of the electronic expansion valve is reduced, refrigerant leakage is effectively avoided, and maintenance cost is reduced to a certain extent. The vibration damping piece comprises two vibration damping parts which are arranged at intervals, a gap is reserved between the two vibration damping parts, so that vibration between a first connecting pipe and a second connecting pipe which are arranged on the two vibration damping parts is not affected by each other, the vibration damping effect is improved, the vibration frequency of the two connecting pipes is effectively slowed down, resonance is avoided, and the operation reliability of the air duct machine is improved.

According to the embodiment of the disclosure, an access part correspondingly communicated with the installation part is arranged on one side of the vibration reduction part away from the fixing part, the access part is used for the access of the first connecting pipe/the second connecting pipe, the installation part is an arc-shaped groove, and the distance between two side walls of the access part is smaller than the diameter of the installation part; through setting up the portion of going in and out and supplying first connecting pipe, second connecting pipe business turn over installation department, realize the detachable connection of first connecting pipe and second connecting pipe, the distance between the two lateral walls of portion of going in and out is less than the diameter of installation department simultaneously, avoids two connecting pipes to deviate from the portion of going in and out easily.

According to the embodiment of the disclosure, the inlet and outlet portion is gradually reduced from the mounting portion towards the direction away from the mounting portion, a guiding portion is formed on one side of the inlet and outlet portion away from the mounting portion, the guiding portion is gradually expanded from the inlet and outlet portion to the direction away from the inlet and outlet portion, and two connecting pipes conveniently and smoothly pass through the inlet and outlet portion to enter the mounting portion.

According to the embodiment of the disclosure, the air duct machine further comprises a wire harness, the vibration reduction part is provided with a communication part, the communication part is positioned at one side of the installation part far away from the access part, the communication part penetrates through two end faces of the vibration reduction part, the two end faces are positioned at two sides of the installation part, and the wire harness penetrates through the communication part and is bound and fixed around one side of the vibration reduction part far away from the fixing part; the first connecting pipe and the second connecting pipe are tied by wire binding, so that the connection stability of the electronic expansion valve is improved.

According to the embodiment of the disclosure, the air duct machine further comprises a fixing piece connected with the fixing part, the fixing piece is covered on one side of the vibration reduction piece, which is away from the heat exchanger, the fixing piece comprises two connecting plates which are oppositely arranged, and the two connecting plates are respectively contacted with one sides of the two vibration reduction parts, which are away from each other; a guide part is arranged between the two connecting plates, the connecting plates are connected with the guide parts to form a convex structure for wrapping the two vibration reduction parts, and the guide parts extend into a gap between the two vibration reduction parts to extrude the two vibration reduction parts; the two vibration reduction parts are extruded through the fixing piece, so that the first connecting pipe and the second connecting pipe of the electronic expansion valve are extruded and fixed, and the connection stability of the electronic expansion valve is improved.

According to an embodiment of the present disclosure, the connection plate has a first end and a second end in an extending direction thereof, the second end is away from the fixing portion with respect to the first end, and the connection plate is gradually inclined from the first end to the second end in a direction approaching to the other connection plate; the guide part comprises two guide plates, one ends of the two guide plates, which are close to the fixed part, are connected to form a connecting end, the guide part is gradually expanded in the direction from the connecting end to the direction away from the fixed part, and the width dimension of the free end of the guide part is smaller than the gap width between the two vibration reduction parts; the guide part is convenient to guide and position during installation of the fixing piece, and meanwhile, the connecting plate is obliquely provided with the matched guide part, so that the first connecting pipe and the second connecting pipe are effectively extruded and fixed in the installation process of the fixing piece.

According to the embodiment of the disclosure, the fixing piece further comprises two connecting portions, the two connecting portions are respectively connected to the end portions of the two connecting plates, the connecting portions are detachably connected to the fixing portions through fasteners, so that the fixing piece is connected to the vibration reduction piece, and the fixing piece always generates extrusion force to the first connecting pipe and the second connecting pipe.

According to the embodiment of the disclosure, the heat exchanger comprises two straight-section heat exchangers which are arranged back to back in an inclined manner, a sealing plate is connected between the two straight-section heat exchangers, an airflow space is formed by enclosing the sealing plate and the two straight-section heat exchangers, and the vibration reduction piece is arranged on the sealing plate through a fastener; the vibration reduction piece is tightly connected with the sealing plate by the arrangement, so that the stability and the strength are ensured.

In addition, this application still provides an tuber pipe machine, it includes:

the shell is provided with an air inlet and an air outlet;

the heat exchanger is arranged in the shell and is used for exchanging heat with air entering the shell;

the fan is arranged in the shell, and introduces air into the shell from the air inlet, exchanges heat through the heat exchanger and then is sent out from the air outlet;

The electronic expansion valve is arranged in the shell, and a first connecting pipe and a second connecting pipe are arranged on the electronic expansion valve;

the vibration reduction piece is arranged outside the heat exchanger, and a separation groove is formed in one side, away from the heat exchanger, of the vibration reduction piece so that two vibration reduction parts which are arranged at intervals are formed in the vibration reduction piece;

the clamping grooves penetrate through the vibration reduction parts, and the clamping grooves on the two vibration reduction parts are arranged in parallel and comprise;

the two mounting parts are respectively used for penetrating the first connecting pipe and the second connecting pipe;

an inlet and outlet part formed on the side surface of the vibration reduction part away from the heat exchanger and communicated with the mounting part, wherein the inlet and outlet part gradually increases towards the direction approaching the mounting part;

the installation part is a semicircular groove, and the side walls of the two sides of the access part are in butt joint and fixed with the first connecting pipe and the second connecting pipe.

According to the air duct machine, the vibration reduction piece is arranged to buffer and fix the electronic expansion valve, deformation and bending of the first connecting pipe and the second connecting pipe caused by falling impact or vibration impact in transportation of the air duct machine are avoided, the damage rate of the electronic expansion valve is reduced, refrigerant leakage is effectively avoided, and maintenance cost is reduced to a certain extent. Meanwhile, by arranging the clamping groove, the vibration reduction piece is detachably connected with the two connecting pipes, so that the electronic expansion valve can be conveniently disassembled and assembled. The first connecting pipe and the second connecting pipe are respectively positioned on the two vibration reduction parts which are arranged at intervals, so that resonance is effectively avoided, and the operation reliability of the air duct machine is improved.

According to the embodiment of the disclosure, the side walls on the two sides of the access part are provided with the fillets away from the end parts of the installation part, the end parts of the side walls on the two sides of the access part are smooth due to the fillets, and the access part is convenient for the first connecting pipe and the second connecting pipe to enter.

According to the embodiment of the disclosure, the vibration absorbing member is made of a flexible material, and plays a role in buffering and absorbing vibration, and meanwhile, the first connecting pipe and the second connecting pipe are prevented from being damaged by extrusion.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIGS. 1 to 3 are external views of an air duct machine according to an embodiment of the present disclosure;

FIG. 4 is a perspective view of a structure in which a front panel is omitted from the ducted air machine according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic illustration 1 of the connection of a heat exchanger, a water pan, and an electronic expansion valve according to an embodiment of the present disclosure;

FIG. 7 is a schematic illustration 2 of the connection of a heat exchanger, a water pan, and an electronic expansion valve according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of an upper outlet vertical mount of a ducted air machine in accordance with an embodiment of the present disclosure;

FIG. 9 is a schematic view of a right outlet horizontal installation of an air duct machine according to an embodiment of the present disclosure;

FIG. 10 is a schematic view of a partial structure of an air duct machine according to an embodiment of the present disclosure;

FIG. 11 is a schematic structural view of an electronic expansion valve according to an embodiment of the present disclosure;

FIG. 12 is a schematic illustration of the connection of an electronic expansion valve to a refrigerant delivery tube according to an embodiment of the present disclosure;

FIG. 13 is a schematic structural view of a vibration damping member according to an embodiment of the present disclosure;

FIG. 14 is a top view of FIG. 13;

FIG. 15 is a schematic view of an electronic expansion valve and vibration damping member installation in accordance with an embodiment of the present disclosure;

FIG. 16 is a schematic illustration of an electronic expansion valve and vibration reduction member secured with wire ties in accordance with an embodiment of the present disclosure;

FIG. 17 is a perspective view of an air duct machine with a front panel omitted according to an embodiment of the present disclosure;

fig. 18 is a partial enlarged view at B in fig. 17;

FIG. 19 is a structural perspective view of a mount according to an embodiment of the present disclosure;

FIG. 20 is a schematic illustration of the connection of a damping member to a mount according to an embodiment of the present disclosure;

FIG. 21 is a schematic illustration of an electronic expansion valve secured with a mount for a vibration damping member in accordance with an embodiment of the present disclosure;

FIG. 22 is a top view of a vibration damping member according to another embodiment of the present disclosure;

FIG. 23 is a schematic illustration of a connection of a damping member to a mount according to another embodiment of the present disclosure.

In the above figures: an air duct machine 100; a housing 1; an air inlet 11; an air outlet 12; a front panel 13; an upper panel 131; a lower panel 132; a top plate 14; a side plate 15; a housing chamber 16; a first refrigerant delivery pipe 17; a second refrigerant delivery pipe 18; a heat exchanger 2; a straight heat exchanger 21; an end plate 22; a connection end 23; a sealing plate 25; a fan 3; a volute 31; a volute inlet 311; a volute outlet 312; a wind wheel 32; a motor 33; a water receiving tray 4; a first water receiving tray 41; a second drip tray 42; a vibration damper 5; a fixing portion 51; a vibration damping portion 52; a card slot 53; a mounting portion 531; an access portion 532; a sidewall 5321; a guide 54; a gap 55; a wire bundle 6; a fixing member 7; a connection plate 71; a guide portion 72; a guide plate 721; a connection end 722; a connection portion 73; an electronic expansion valve 8; a first connection pipe 81; a second connection pipe 82; a filter 83; and a fastener 9.

Detailed Description

For purposes of clarity and implementation of the present application, the following description will make clear and complete a description of exemplary implementations of the present application with reference to the accompanying drawings in which exemplary implementations of the present application are illustrated, it being apparent that the exemplary implementations described are only some, but not all, of the examples of the present application.

It should be noted that the brief description of the terms in this application is only for convenience in understanding the embodiments described below. And are not intended to limit embodiments of the present application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, a central air-conditioning duct type indoor unit (abbreviated as duct unit) belongs to an air conditioner including a duct unit 100 (i.e., an air-conditioning indoor unit) and an air-conditioning outdoor unit (i.e., an air-conditioning outdoor unit), and the air conditioner performs a refrigerating cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat exchanged.

The compressor compresses refrigerant gas in a low-temperature and low-pressure state and discharges refrigerant gas in a high-temperature and high-pressure state. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner may adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an air conditioner indoor unit, which refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, and an air conditioner outdoor unit, which includes an indoor heat exchanger, and an expansion valve may be provided in the air conditioner indoor unit or the air conditioner outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger function as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater of a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler of a cooling mode.

The air conditioner has a refrigerant circuit that is annularly connected in order to a compressor, a condenser, an expansion valve, and an evaporator to form a refrigerant circulation circuit to circulate a refrigerant. The air conditioner can be used in a refrigerating mode and a heating mode, in the refrigerating mode, the indoor heat exchanger is an evaporator, the outdoor heat exchanger is a condenser, and the refrigerant circulates through the compressor, the outdoor heat exchanger, the expansion valve and the indoor heat exchanger in sequence. In the heating mode, the indoor heat exchanger is a condenser and the outdoor heat exchanger is an evaporator, and the refrigerant circulates through the compressor, the indoor heat exchanger, the expansion valve, and the outdoor heat exchanger in this order.

The present utility model proposes an air duct machine 100, and the air duct machine 100 will be described with reference to fig. 1 to 23, where fig. 1 is a front view of the air duct machine 100 according to an embodiment of the present utility model.

Referring to fig. 1 to 4, the ducted air conditioner 100 includes a cabinet 1, the cabinet 1 forming an external appearance of the ducted air conditioner 100, and an accommodating chamber 16 defined inside the cabinet 1. The casing 1 has a top end and a bottom end, and the top end of the casing 1 and the bottom end of the casing 1 are two ends of the casing 1 opposite to each other in the first direction.

The casing 1 is formed with an air inlet 11 and an air outlet 12 communicating with the accommodating chamber 16. The air inlet 11 is used as an inlet for inflow of air outside the shell 1, the air outlet 12 is used as an outlet for outflow of air after heat exchange in the shell 1, and indoor air outside the shell 1 enters the shell 1 through the air inlet 11 and finally is discharged indoors from the air outlet 12. The air inlet 11 may be disposed at one end of the casing 1, and the air outlet 12 may be disposed at the other end of the casing 1.

Referring to fig. 2 and 3, the casing 1 is substantially rectangular, and the air inlet 11 and the air outlet 12 are located at the bottom end and the top end of the casing 1, respectively, opposite to each other. Specifically, the cabinet 1 includes a front panel 13 at its front side, a rear panel at its rear side, side panels 15 at its left and right sides, and a top panel 14 at its top end. The side plates 15 extend in the first direction, that is, the length direction of the side plates 15 is the first direction. The top plate 14, the bottom plate, the front panel 13, the rear plate, and the two side plates 15 enclose a receiving chamber 16, and the top plate 14, the rear plate, a portion of the left side plate, and a portion of the right side plate enclose an air outlet 12.

Referring to fig. 3, the front panel 13 includes an upper panel 131 and a lower panel 132, and the upper panel 131 or the lower panel 132 is attached and detached to facilitate maintenance operations for each component in the casing 1. The rear plate, the left side plate and the right side plate can be connected in a split mode or can be integrated.

It should be noted that, the directions described herein are based on the direction in which the user faces the air duct machine, wherein the front side is defined as the side facing the user when the air duct machine is in use, the rear side is defined as the opposite side, the left side and the right side are distinguished from each other in the direction in which the user faces the air duct machine, and the upper side and the lower side are defined to distinguish between upper and lower sides when the air duct machine normally operates.

Referring to fig. 4, the ducted air conditioner 100 further includes a heat exchanger 2 and a blower 3, wherein the heat exchanger 2 is disposed in the accommodating chamber 16 for exchanging heat with air entering the cabinet 1. The fan 3 is disposed in the accommodating cavity 16, and is used for driving indoor air outside the casing 1 to enter the accommodating cavity 16, and enabling air in the accommodating cavity 16 to flow along the air inlet 11 towards the air outlet 12.

Referring to fig. 4 to 7, the heat exchanger 2 is located in the heat exchange chamber and is disposed adjacent to the air inlet 11. Specifically, the heat exchanger 2 includes two straight-section heat exchangers 21 disposed opposite to each other, one ends of the two straight-section heat exchangers 21 are connected to each other to form a connection end 23, and the other ends of the two straight-section heat exchangers 21 are free ends, so that the heat exchanger 2 is approximately V-shaped, and the heat exchanger 2 almost covers the whole airflow cross section in the airflow direction between the air inlet 11 and the air outlet 12, thereby increasing the heat exchange area of the heat exchanger 2, improving the heat exchange efficiency of the air duct machine 100, and increasing the amount of air for heat exchange.

Further, a sealing plate 26 is connected between the two straight-section heat exchangers 21, and an airflow space is formed by enclosing the sealing plate and the two straight-section heat exchangers, that is, the arrangement of the sealing plate 26 can ensure that the front side and the rear side of the heat exchanger 2 are airtight, so that wind completely blows across fins of the heat exchanger 2, and the heat exchange effect is ensured. In this embodiment, the heat exchanger 2 has four end plates 22, the four end plates 22 are respectively disposed on end surfaces between two ends of the connection end 23 and two free ends, and the sealing plate 25 is connected to the end plates 22 by fasteners, wherein the fasteners may be bolts or screws.

In this embodiment, the free end of the heat exchanger 2 is disposed near the air inlet 11 opposite to the connection end 23, that is, the opening end formed by enclosing the two straight-section heat exchangers 21 and the two sealing plates 25 faces the air inlet 11, so that the indoor air entering from the air inlet 11 is completely blown through the fins of the heat exchanger 2 to exchange heat.

Referring to fig. 4, the air duct machine 100 further includes a water pan 4, where the water pan 4 is used for containing condensate water flowing down from the heat exchanger 2 when the air duct machine 100 works, and a drain outlet 43 is provided on the water pan 4, for draining the condensate water in the water pan out of the air duct machine 100.

Specifically, referring to fig. 6 and 7, the water pan 4 includes a first water pan 41 and a second water pan 42, and the first water pan 41 is connected to the open end of the V-shaped heat exchanger 2, i.e. to the free end of the heat exchanger, and serves to support the heat exchanger 2 while receiving condensed water. The second water receiving tray 42 is connected to the outside of one straight heat exchanger 21, and one end of the second water receiving tray 42 is connected to the first water receiving tray 41. By arranging the first water receiving disc 41 and the second water receiving disc 42, the air duct machine 100 can meet different types of installation.

In the above embodiment, the air duct machine 100 may be installed in four directions, i.e., in a vertical type, in which air is discharged vertically, and in a horizontal type, in which air is discharged horizontally. When the air conditioner 100 is horizontally installed, the second water pan 42 is used for receiving condensed water flowing down from the heat exchanger 2, as shown in fig. 8, and the air conditioner is horizontally installed with right air outlet. When the air pipe machine 100 is vertically installed, the first water receiving tray 41 is used for receiving condensed water flowing down by the heat exchanger 2, as shown in fig. 9, and the air pipe machine is vertically installed with air outlet.

Referring to fig. 10, the blower 3 is disposed near the air outlet 12 with respect to the heat exchanger 2. The fan 3 comprises a volute 31, a wind wheel 32 arranged in the volute 31 and a motor 33 connected with the wind wheel 32, wherein a volute air inlet 311 and a volute air outlet 312 are formed in the volute 31, the motor 33 drives the wind wheel 32 to rotate, and then indoor air entering from the air inlet 11 is driven to be sucked into the volute 31 through the volute air inlet 311 and then discharged from the volute air outlet 312. The volute air inlets 311 are located at two sides of the volute 31 and are communicated with the accommodating cavity 16 of the air duct machine 100, and the volute air outlets 312 are disposed towards the air outlet 12 of the casing 1 so as to send the heat exchange air blown out by the wind wheel 32 to the air outlet 12 of the casing 1.

Referring to fig. 11, the expansion valve is an electronic expansion valve 8, the electronic expansion valve 8 is disposed in the casing, and a first connection pipe 81 and a second connection pipe 82 are installed on the electronic expansion valve 8. The first connection pipe 81 may be a liquid inlet pipe of the electronic expansion valve 8, or may be a liquid outlet pipe of the electronic expansion valve 8; the second connection pipe 82 may be a liquid outlet pipe of the electronic expansion valve 8, or may be a liquid inlet pipe of the electronic expansion valve 8. When the first connection pipe 81 is a liquid inlet pipe, the second connection pipe 82 is a liquid outlet pipe.

Referring to fig. 12, the air duct machine further includes a first refrigerant conveying pipe 17 and a second refrigerant conveying pipe 18, the first refrigerant conveying pipe 17 is communicated with the first connecting pipe 81, the first refrigerant conveying pipe 17 may be a liquid inlet pipe or a liquid outlet pipe of the outdoor heat exchanger, and the refrigerant flows into the outdoor heat exchanger or flows out of the outdoor heat exchanger through the first refrigerant conveying pipe 17. The second refrigerant conveying pipe 18 is communicated with the second connecting pipe 82, the second refrigerant conveying pipe 18 can be a liquid inlet pipe or a liquid outlet pipe of the indoor heat exchanger, and the refrigerant flows into the indoor heat exchanger or flows out of the indoor heat exchanger through the second refrigerant conveying pipe 18. Referring to fig. 12, in the present embodiment, a filter 83 is connected between the first refrigerant conveying pipe 17 and the first connecting pipe 81, and a filter 83 is also connected between the first refrigerant conveying pipe 17 and the first connecting pipe 81.

Example 1

Referring to fig. 13 to 21, the ducted air conditioner further includes a vibration damping member 5, the vibration damping member 5 being installed outside the heat exchanger for installing the electronic expansion valve 8, and the vibration damping member 5 buffering the electronic expansion valve 8. Wherein the vibration damper 5 is made of flexible material. In this embodiment, the vibration absorbing member 5 is mounted on the sealing plate, and the electronic expansion valve 8 is relatively close to the front panel, which is convenient for maintenance.

Specifically, the damper 5 includes a fixing portion 51, a damper portion 52, and a mounting portion 531. The fixing portion 51 is used for being connected with the heat exchanger, two damping portions 52 are arranged, the two damping portions 52 are arranged on the fixing portion 51 at intervals, and the two damping portions 52 are arranged on the side surface, away from the heat exchanger, of the fixing portion 51 in a protruding mode. The mounting portions 531 penetrate through the two vibration absorbing portions 52, and the two mounting portions 531 are arranged in parallel and are respectively connected with the first connecting pipe 81 and the second connecting pipe 82 in an adapting manner. The first connecting pipe 81 and the second connecting pipe 82 are respectively in interference fit with the two vibration reduction parts 52, so that the electronic expansion valve 8 is fixed on the vibration reduction piece 5. In this embodiment, the mounting portion 531 is an arc-shaped slot adapted to the first connection pipe 81/the second connection pipe 82.

More specifically, the first connecting pipe 81 and the second connecting pipe 82 are respectively in interference fit with the two vibration reduction parts 52, so that the first connecting pipe 81 and the second connecting pipe 82 are fastened on the two mounting parts 531, and further the connection and fixation of the electronic expansion valve 8 and the vibration reduction part 5 are realized, and the electronic expansion valve is simple and convenient.

The air duct machine provided in the above embodiment fixes the electronic expansion valve 8 by setting the vibration reduction member 5, and the vibration reduction effect thereof avoids the deformation and bending of the first connecting pipe 81 and the second connecting pipe 82 caused by the falling impact of the air duct machine or the vibration impact in the transportation, thereby reducing the damage rate of the electronic expansion valve 8, effectively avoiding the leakage of the refrigerant, and reducing the maintenance cost to a certain extent.

In the prior art, when the opening degree of the electronic expansion valve 8 is smaller, sometimes obvious vibration occurs, the throttling process of the refrigerant in the valve body is the friction of the refrigerant in the valve body, the received resistance and disturbance process can generate complex vortex, the refrigerant can have vortex at the throttling position or the turning position and the shunting position, and resonance can be generated when the vibration frequency of the vortex is coupled with the self-vibration frequency of other mechanical parts of the air pipe machine.

Compared with the prior art, this application is through setting up two damping portion 52, be fixed in damping portion 52 with first connecting pipe 81, the chucking of second connecting pipe 82 respectively, and have clearance 55 between two damping portion 52 and make the vibration of installing between first connecting pipe 81 and second connecting pipe 82 on two damping portion 52 not influence each other, improve the damping effect, effectively slow down the vibration frequency of first connecting pipe 81, second connecting pipe 82, simultaneously the vibration transmission between separation first connecting pipe 81 and the second connecting pipe 82, avoid producing resonance, improve the operational reliability of tuber pipe machine.

Referring to fig. 14, in order to realize detachable connection of the first connection pipe 81, the second connection pipe 82 and the vibration damping portion 52, an access portion 532 corresponding to the mounting portion 531 is provided on a side of the vibration damping portion 52 away from the fixing portion 51, the access portion 532 allows the first connection pipe 81/the second connection pipe 82 to access, and after the first connection pipe 81/the second connection pipe 82 enters the mounting portion 531 through the access portion 532, the first connection pipe 81/the second connection pipe 82 is clamped and fixed in the mounting portion 531, so that detachable connection between the vibration damping portion 52 and the first connection pipe 81/the second connection pipe 82 is realized, and detachment of the vibration damping member 5 is facilitated. In this embodiment, the mounting portions 531 on the two vibration reduction portions 52 are arc-shaped grooves adapted to the first connection pipe 81 and the second connection pipe 82, respectively, and the distance between the two side walls 5321 of the access portion 532 is smaller than the diameter of the mounting portion 531.

Specifically, the inlet/outlet portion 532 corresponds to the mounting portion 531, and the inlet/outlet portion 532 communicates with the mounting portion 531, the mounting portion 531 is an arc-shaped groove, and the mounting portion 531 is located inside the inlet/outlet portion 532 on the vibration absorbing portion 52. In this embodiment, the access portion 532 is a notch formed on a side surface of the vibration absorbing portion 52, and is an inlet and an outlet for clamping the first connection pipe 81 and the second connection pipe 82, and a distance between two side walls 5321 of the access portion 532 is smaller than a diameter of the mounting portion 531, that is, an opening width of the notch is smaller than the diameter of the mounting portion 531, so as to prevent the first connection pipe 81 and the second connection pipe 82 from being separated from the access portion 532.

During assembly, the first connecting pipe 81/second connecting pipe 82 firstly extrudes the inlet and outlet part 532 to elastically deform, and then smoothly extrudes into the mounting part 531 through the inlet and outlet part 532, and the first connecting pipe 81/second connecting pipe 82 is in interference fit with the mounting part 531, so that the vibration reduction part 52 is detachably connected with the first connecting pipe 81 and the second connecting pipe 82; in the same way, the electronic expansion valve 8 is pulled in a direction away from the damper 5, and the first connection pipe 81 and the second connection pipe 82 press the inlet and outlet portions 532 on the two damper portions 52 to elastically deform, so that the first connection pipe 81 and the second connection pipe 82 are sequentially separated from the mounting portion 531 and the inlet and outlet portions 532, and the electronic expansion valve 8 is separated from the damper 5. By providing the inlet/outlet portion 532, the vibration absorbing member 5 is detachably connected to the first connection pipe 81 and the second connection pipe 82, and the electronic expansion valve 8 is easily detached.

In this embodiment, the vibration absorbing member 5 is made of flexible materials such as rubber or silica gel, so as to effectively play a role in buffering and absorbing vibration, and meanwhile, avoid the vibration absorbing portion 52 from damaging the first connecting pipe 81 and the second connecting pipe 82 when the vibration absorbing portion 52 is extruded.

With continued reference to fig. 14, in the above embodiment, the access portion 532 is gradually reduced from the mounting portion 531 toward a direction away from the mounting portion 531, that is, is tapered, that is, the distance between the two side walls 5321 on both sides of the access portion 532 is gradually reduced from the mounting portion 531 toward a direction away from the mounting portion 531.

Further, in order to smoothly make the first connection pipe 81 and the second connection pipe 82 smoothly enter the inlet/outlet portion 532, a guide portion 54 is formed on a side of the inlet/outlet portion 532 away from the mounting portion 531, and the width of the guide portion 54 gradually increases from the inlet/outlet portion 532 to a direction away from the inlet/outlet portion 532, that is, the guide portion 54 gradually expands from the inlet/outlet portion 532 to a direction away from the inlet/outlet portion 532.

Specifically, the guiding portion 54 is connected to the access portion 532, and the direction from the access portion 532 to the back of the guiding portion 54 away from the access portion 532 is gradually increased, so that the guiding portion 54 can realize guiding action on the first connecting tube 81 and the second connecting tube 82 when the first connecting tube 81 and the second connecting tube 82 are installed, and the first connecting tube 81 and the second connecting tube 82 can quickly and conveniently enter the access portion 532 under the guiding action of the guiding portion 54. In this embodiment, the guide portion 54 is a guide groove 54 located on the side surface of the vibration absorbing portion 52, and the guide portion 54 gradually increases from the inlet portion 532 to the direction away from the inlet portion 532, that is, the groove width of the guide groove gradually increases from the inlet portion 532 to the direction away from the inlet portion 532. Wherein, the maximum size of the groove width of the guide groove may be equal to or greater than the pipe diameter size of the first connection pipe 81/the second connection pipe 82.

In this embodiment, the guiding portion 54 is a guiding groove located on a side surface of the vibration absorbing portion 52, inclined surfaces are disposed on two opposite side walls of the inlet and outlet portion 532, which are far from the opening of the mounting portion 531, and the guiding groove 54 is formed between the two opposite inclined surfaces, so as to guide the first connecting tube 81 and the second connecting tube 82. The groove width of the guide groove is the distance between two inclined surfaces which are oppositely arranged.

Further, referring to fig. 16, in order to ensure connection stability of the first connection pipe 81 and the second connection pipe 82, the air duct machine further includes a wire bundle 6, two wire bundles 6 are configured corresponding to the vibration reduction parts 52, a communication part is disposed on the vibration reduction parts 52, the communication part is located at one side of the mounting part 531 far away from the access part, the communication part penetrates through two end surfaces of the vibration reduction parts 52, the two end surfaces are located at two sides of the mounting part 531, and each wire bundle 6 penetrates through the communication part and is bound and fixed around one side of the vibration reduction parts 52 far away from the fixing part 51.

In the above embodiment, the communicating portion is of a hole structure, and the first connecting pipe 81 and the second connecting pipe 82 are tied by arranging two wire bundles 6, so that the connection stability of the first connecting pipe 81, the second connecting pipe 82 and the vibration reduction portion 52 is improved, and the connection stability of the electronic expansion valve 8 is further improved. This setting makes tuber pipe machine fall or in the transportation, and electronic expansion valve 8 can receive the vibration, and the vibration that produces at this moment obtains buffering on damping piece 5, and simultaneously, electronic expansion valve 8's position is fixed through damping piece 5, avoids its other parts in the casing that collide, has reduced electronic expansion valve 8's damage rate.

In other embodiments of the present application, referring to fig. 17 to 21, the air duct machine further includes a fixing member 7, the fixing member 7 is connected with the fixing portion 51, and the fixing member 7 is covered on one side of the vibration reduction member 5 away from the heat exchanger, so that connection stability of the first connection pipe 81, the second connection pipe 82 and the vibration reduction portion 52 is further improved through the fixing member 7.

Specifically, referring to fig. 19, the fixing member 7 includes two connection plates 71 disposed opposite to each other, the two connection plates 71 being in contact with sides of the two vibration reducing portions 52 facing away from each other, respectively; a guide portion 72 is disposed between the two connection plates 71, the connection plates 71 are connected with the guide portion 72 to form a convex structure wrapping the two vibration reduction portions 52, and the guide portion 72 extends into the gap 55 between the two vibration reduction portions 52 to press the two vibration reduction portions 52. In this embodiment, the protruding structure wraps the two vibration reduction portions 52, and the guiding portion 72 extends into the gap 55 between the two vibration reduction portions 52 to squeeze the two vibration reduction portions 52, so as to squeeze and fix the first connection pipe 81 and the second connection pipe 82 of the electronic expansion valve 8, thereby improving the connection stability of the electronic expansion valve 8.

Further, the connection plate 71 has a first end and a second end in the extending direction thereof, the second end being away from the fixing portion 51 with respect to the first end, and the connection plate 71 is gradually inclined from the first end to the second end in a direction approaching the other connection plate 71. With continued reference to fig. 19, the guide portion 72 includes two guide plates 721, one ends of the two guide plates 721 near the fixing portion are connected to form a connection end 722, and the guide portion 72 is gradually widened from the connection end 722 to a direction away from the fixing portion 51, and in the extending direction of the gap, the minimum dimension of the guide portion 72 is smaller than the gap dimension between the two vibration reduction portions 52. Through setting up guide portion 72, the direction of making things convenient for mounting 7 during installation, location, connecting plate 71 slope sets up cooperation guide portion 72 simultaneously for mounting 7 installation in-process, effectively extrude fixedly to first connecting pipe 81, second connecting pipe 82.

Referring to fig. 19 and 23, in the present embodiment, the dimension of the guide portion 72 in the extending direction of the gap is the width dimension of the guide portion 72, and is the distance dimension between the plate surfaces facing away from each other on the two guide plates 721, and the extending direction of the gap 55 is the width direction of the gap 55. The guide portion 72 is gradually widened from the connecting end 722 to the direction away from the fixing portion 51, and therefore, the minimum dimension of the guide portion 72 in the extending direction of the gap is the width dimension of the connecting end 722. When the width dimension of the connecting end 722 is smaller than the gap dimension between the two vibration reduction parts 52, the connecting end 722 of the guiding part 72 smoothly and firstly enters the gap 55 during installation of the fixing piece 7, and the functions of installation guiding and installation positioning are achieved.

Specifically, the connection plates 71 are disposed obliquely, and the connection plates 71 are inclined gradually from the first end to the second end in a direction approaching the other connection plate 71, and at the same time, the guide portions 72 are disposed gradually expanding in a direction from the free ends thereof to the direction away from the fixing portions 51, so that the connection ends 722 of the guide portions 72 first extend into the gap 55 between the two vibration reduction portions 52 when the fixing member 7 is mounted, facilitating introduction. Along with the fixing piece 7 being continuously close to the mounting portion 531, the guiding portion 72 which is gradually expanded and the inclined connecting plates 71 on two sides are matched to respectively squeeze two sides of the two in-out portions 532, so that the purpose of squeezing and fixing the first connecting pipe 81 and the second connecting pipe 82 is achieved, and the connection stability of the electronic expansion valve 8 and the vibration reduction piece 5 is improved.

In the above embodiment, the width of the opening formed between the two connection plates 71 and the guide portion 72 should be larger than the width of the two rubber portions, respectively, so that the fixing member 7 can be easily introduced.

Further, referring to fig. 19 and 20, the fixing member 7 further includes two connection portions 73, and the two connection portions 73 are connected to the ends of the two connection plates 71, respectively. In this embodiment, the connecting portion 73 is located at the first end of the connecting plate 71, when assembled, the connecting portion 73 is tightly attached to the fixing portion 51, and the connecting portion 73 is detachably connected to the fixing portion 51 by the fastener 9, so that the fixing member 7 is connected to the vibration absorbing member 5. In this embodiment, the fixing piece 7 is fixedly connected to the vibration absorbing piece 5 through the fastener 9, so that the fixing piece 7 always generates extrusion force to the first connecting pipe 81 and the second connecting pipe 82, and the installation stability of the electronic expansion valve 8 is ensured. The fastening means 9 may be a bolt or a screw.

In the above embodiment, the damper 5 may be mounted on the sealing plate of the heat exchanger. In this embodiment, when the vibration absorbing member 5 is installed, the fixing portion 51 is attached to the sealing plate, and the fixing portion 51 is installed on the sealing plate through the fastening member 9, so that the vibration absorbing member 5 and the sealing plate are tightly connected to form a whole, and stability and strength are ensured.

Example 2

Referring to fig. 22 and 23, this embodiment provides an air duct machine, and embodiment 2 is different from embodiment 1 in the specific arrangement among the damper 5, the mounting portion 531 and the in-out portion 532.

Specifically, the vibration damping member 5 is mounted to the outside of the heat exchanger, and a partition groove is provided on the vibration damping member 5 at a side facing away from the heat exchanger such that two vibration damping portions 52 are formed on the vibration damping member 5 at a distance from each other, that is, a gap 55 is provided between the two vibration damping portions 52. Wherein the vibration damper 5 is an integrated vibration damper block.

The air duct machine further includes a clamping groove 53, the clamping groove 53 is penetratingly arranged on the vibration reduction parts 52, and the clamping grooves 53 on the two vibration reduction parts 52 are arranged in parallel. The clamping grooves 53 comprise a mounting portion 531 and an access portion 532 which are communicated, and the mounting portions 531 on the two clamping grooves 53 are respectively used for penetrating the first connecting pipe 81 and the second connecting pipe 82. The inlet and outlet portion 532 is formed on a side surface of the damper portion 52 facing away from the fixed portion 51, and the inlet and outlet portions 532 of the two clamping grooves 53 are respectively used for the inlet and outlet of the first connecting pipe 81 and the second connecting pipe 82.

In this embodiment, the mounting portion 531 is a semicircular arc slot, and the in-out portion 532 gradually increases toward the direction approaching the mounting portion 531, and this arrangement makes the side walls on both sides of the in-out portion 532 abut against and fix the first connection pipe 81/the second connection pipe 82, so as to realize the clamping and fixing of the first connection pipe 81 and the second connection pipe 82. In this embodiment, the diameters of the two semicircular grooves may be the same as the diameters of the first connecting pipe 81 and the second connecting pipe 82, so that the two connecting pipes can be fixed without interference fit between the semicircular grooves and the first connecting pipe 81/the second connecting pipe 82, and the first connecting pipe 81 and the second connecting pipe 82 are also ensured to be buffered and fixed in the vibration reduction portion 52. In order to improve the connection stability of the electronic expansion valve 8, the electronic expansion valve 8 in this embodiment may be further fixed by the wire harness 6 or the fixing member 7.

Further, the end parts of the side walls of the two sides of the access part 532 far away from the mounting part 531 are provided with transition fillets, and the end parts of the side walls of the two sides of the access part 532 are smooth due to the arrangement of the transition fillets, so that the first connecting pipe 81 and the second connecting pipe 82 can conveniently enter the access part 532.

The utility model provides an tuber pipe machine for first connecting pipe 81, the second connecting pipe 82 of electronic expansion valve 8 are respectively on two damping portion 52 buffering fixedly through setting up damping piece 5, and damping buffering effect is strengthened, has avoided falling the deformation that the striking or the transportation in vibration collision caused first connecting pipe 81, second connecting pipe 82 because of tuber pipe machine, has reduced the damage rate of electronic expansion valve 8, effectively avoids the refrigerant leakage that electronic expansion valve 8 damage caused, improves tuber pipe machine's operating stability, has reduced maintenance cost. Meanwhile, by arranging the clamping groove 53, the vibration reduction piece 5 is detachably connected with the first connecting pipe 81 and the second connecting pipe 82, so that the electronic expansion valve 8 can be conveniently disassembled and assembled. The first connecting pipe 81 and the second connecting pipe 82 are respectively positioned on the vibration reduction parts 52 arranged at two intervals, so that resonance is effectively avoided, and the operation reliability and the user experience of the air duct machine are further improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. An air duct machine, comprising:

the shell is provided with an air inlet and an air outlet;

The heat exchanger is arranged in the shell and is used for exchanging heat with air entering the shell;

the fan is arranged in the shell, and introduces air into the shell from the air inlet, exchanges heat through the heat exchanger and then is sent out from the air outlet;

the electronic expansion valve is arranged in the shell, and a first connecting pipe and a second connecting pipe are arranged on the electronic expansion valve;

a vibration damping member, comprising:

a fixing part which is arranged outside the heat exchanger;

the two vibration reduction parts are arranged at intervals and are convexly arranged on the side surface of the fixing part, which is away from the heat exchanger;

the installation parts are arranged on the two vibration reduction parts in a penetrating way, are arranged in parallel and are respectively connected with the first connecting pipe and the second connecting pipe in an adaptive way;

the first connecting pipe and the second connecting pipe are respectively in interference fit with the two vibration reduction parts, so that the electronic expansion valve is fixed on the vibration reduction piece.

2. The ducted air conditioner according to claim 1, wherein an access portion corresponding to the installation portion is provided on a side of the vibration reduction portion facing away from the fixing portion, the access portion allows the first connection pipe/the second connection pipe to access, the installation portion is an arc-shaped groove, and a distance between two side walls of the access portion is smaller than a diameter of the installation portion.

3. The ducted air conditioner according to claim 2, wherein the inlet and outlet portion is gradually narrowed from the mounting portion toward a direction away from the mounting portion, a guide portion is formed on a side of the inlet and outlet portion away from the mounting portion, and the guide portion is gradually widened from the inlet and outlet portion toward a direction away from the inlet and outlet portion.

4. A ducted air conditioner according to claim 2 or 3, further comprising a wire harness, wherein the vibration reduction portion is provided with a communication portion, the communication portion is located at one side of the mounting portion away from the access portion, the communication portion penetrates through two end faces of the vibration reduction portion, the two end faces are located at two sides of the mounting portion, and the wire harness penetrates through the communication portion and is bound and fixed around one side of the vibration reduction portion away from the fixing portion.

5. A ducted air conditioner according to claim 2 or 3, further comprising a fixing member connected to the fixing portion, wherein the fixing member is covered on a side of the vibration reduction member facing away from the heat exchanger, and the fixing member includes two connection plates disposed opposite to each other, and the two connection plates are respectively contacted with the sides of the two vibration reduction portions facing away from each other; the guide parts are arranged between the two connecting plates, the connecting plates are connected with the guide parts to form a convex structure wrapping the two vibration reduction parts, and the guide parts extend into gaps between the two vibration reduction parts to squeeze the two vibration reduction parts.

6. The ducted air conditioner according to claim 5, wherein the connection plate has a first end and a second end in an extending direction thereof, the second end being away from the fixing portion with respect to the first end, the connection plate being gradually inclined from the first end to the second end in a direction approaching the other connection plate; the guide part comprises two guide plates, the two guide plates are close to one end of the fixing part and are connected to form a connecting end, the guide part is gradually expanded in the direction from the connecting end to the direction away from the fixing part, and in the extending direction of the gap, the minimum size of the guide part is smaller than the width of the gap between the two vibration reduction parts.

7. The ducted air conditioner according to claim 5, wherein the fixing member further includes two connection portions, the two connection portions being connected to end portions of the two connection plates, respectively, the connection portions being detachably connected to the fixing portion by fasteners so that the fixing member is connected to the vibration absorbing member.

8. The ducted air conditioner according to claim 1, wherein the heat exchanger includes two straight-section heat exchangers disposed to face away from each other in an inclined manner, a sealing plate is connected between the two straight-section heat exchangers, an air flow space is formed by enclosing between the sealing plate and the two straight-section heat exchangers, and the vibration damper is mounted on the sealing plate by a fastening member.

9. An air duct machine, comprising:

the shell is provided with an air inlet and an air outlet;

the heat exchanger is arranged in the shell and is used for exchanging heat with air entering the shell;

the fan is arranged in the shell, and introduces air into the shell from the air inlet, exchanges heat through the heat exchanger and then is sent out from the air outlet;

the electronic expansion valve is arranged in the shell and is provided with a first connecting pipe and a second connecting pipe;

the vibration reduction piece is arranged outside the heat exchanger, and a separation groove is formed in one side, away from the heat exchanger, of the vibration reduction piece so that two vibration reduction parts which are arranged at intervals are formed in the vibration reduction piece;

the clamping grooves penetrate through the vibration reduction parts, the clamping grooves on the two vibration reduction parts are arranged in parallel, and the clamping grooves comprise;

the two mounting parts are respectively used for penetrating the first connecting pipe and the second connecting pipe;

an inlet and outlet part formed on the side surface of the vibration reduction part away from the heat exchanger and communicated with the mounting part, wherein the inlet and outlet part gradually increases towards the direction approaching the mounting part;

the installation part is a semicircular groove, and the side walls of the two sides of the access part are in butt joint and fixed with the first connecting pipe and the second connecting pipe.

10. The ducted air conditioner according to claim 9, wherein the side walls of both sides of the inlet and outlet portion are provided with rounded corners at ends remote from the mounting portion.