KR20020027870A - The connecting structure of trim kit for thru the wall type air conditioner - Google Patents

Abstract

PURPOSE: A trim kit connection structure is provided to prevent distortion of trim kit by increasing the strength of trim kit and improving resistance force against an external force. CONSTITUTION: A trim kit connection structure comprises a trim kit body(50) constituted by a plurality of segments; a coupling portion for coupling trim kit body; and a distortion prevention portion formed to correspond to the coupling portion, and which surface-contacts the coupling portion so as to prevent the trim kit body from being distorted. The coupling portion includes a coupling protrusion(62) protruded from both ends of the trim kit body; and a coupling groove(64) formed at the trim kit body, at the position corresponding to the coupling protrusion. The distortion prevention portion includes an insertion plate(70) protruded from a cross bar(52) of the trim kit; and a slot(72) formed inside a post bar(51) of the trim kit, at the position corresponding to the insertion plate, so as to allow the insertion plate to be inserted into the slot.

Description

The connecting structure of trim kit for thru the wall type air conditioner}

The present invention relates to an air conditioner, and more particularly, to a trim kit that fills a gap between a sleeve cabinet installed in a wall and an outer surface of an air conditioner in a wall-mounted air conditioner.

The wall-mounted air conditioner forms a through hole penetrating a space for air conditioning and a wall partitioning the outside, and is installed and used in the through hole. Therefore, only the rear surface of the air conditioner is exposed to the outside, and the air for heat exchange only flows through the inside and outside of the air conditioner.

1 is an exploded perspective view showing a main configuration of a wall-mounted air conditioner according to the prior art. Looking at the internal structure of the wall-mounted air conditioner with reference to this, the base fan (1) forms the bottom of the air conditioner.

The front grill 3 is installed on the indoor front surface of the base fan 1. The front grill 3 forms a front appearance of the air conditioner and is mounted on the front of the cabinet 30 which will be described below substantially. One side of the front grill 3 is formed with an intake portion 3i through which air of a space for air conditioning is sucked into the inside of the air conditioner. On the other side, the air heat exchanged from the air conditioner is returned to the room. The discharge part 3e discharged is formed. On the other hand, a suction grill 4 is provided in the suction part 3i. A control panel portion 3c for manipulating the operation of the air conditioner is provided below the discharge portion 3e.

An indoor heat exchanger 7 is installed inside the front grill 3. The indoor heat exchanger (7) is for heat exchange between the air sucked through the suction part (3i) of the front grill (3) and the working fluid of the air conditioning cycle, more precisely the air guide (9) It is installed in).

Referring to the configuration of the air guide (9) in which the indoor heat exchanger (7) is installed, the air guide (9) is provided with a through hole (10) through which the air passing through the indoor heat exchanger (7) is formed, A discharge guide 9e is formed at a position corresponding to the discharge portion 3e of the front grill 3. The bottom surface of the air guide (9) is formed with a drainage structure (9 ') for draining the condensate generated in the indoor heat exchanger (7).

In combination with the air guide 9, a scroll 11 is installed. A flow guide surface 12 is formed on the inner surface of the scroll 11 to guide the airflow formed by the sirocco fan 19 to be described below.

The control box 14 is provided with various electrical components for controlling the air conditioner by penetrating the interior of the air guide 9 and the scroll 11 corresponding to the control panel part 3c of the front grill 3. ) Is installed.

Next, in close contact with the rear surface of the scroll 11, a barrier 15 is formed to partition the indoor side and the outdoor side of the air conditioner. The barrier 15 divides the indoor side and the outdoor side of the air conditioner so that the indoor side and the outdoor side are not influenced by each other.

On the other hand, at the rear end of the barrier 15, that is, the outdoor side, the motor mount 18 is mounted on the base fan 1, and the motor 17 is installed thereon. The motor 17 is formed such that its shaft protrudes to the indoor side and the outdoor side, respectively, and one side shaft penetrates the barrier 15 and protrudes into the interior scroll 11. The sirocco fan 19 is installed on the shaft protruding toward the indoor side. The sirocco fan 19 serves to suck air in the space for air conditioning and to pass the indoor heat exchanger 7 to guide the discharge guide 9e to be discharged back into the room.

The blowing fan 21 is installed on the outdoor shaft of the motor 17. The blower fan 21 sucks air from the outside to heat exchange while passing through the outdoor heat exchanger 27 outside the air conditioner.

On the other hand, the outdoor side is provided with a shroud 23 for guiding the air flow formed by the blowing fan 22. The shroud 23 serves to evenly deliver the air sucked from the outside to the outdoor heat exchanger (27). The shroud 23 is formed with a through hole 23 ′ in which the blowing fan 21 is installed.

Next, the outdoor heat exchanger 27 is installed on the base fan 1 and installed at the outermost side of the outdoor side. The outdoor heat exchanger (27) is to allow heat exchange between the air sucked outdoors and the working fluid.

As described above, the cabinet 30 is provided to shield various components installed on the base fan 1. The cabinet 30 is installed to be fastened with the base fan 1 to shield both sides and the top of the air conditioner.

Here, although not shown in the drawings, the outdoor side is provided with a compressor, an expansion valve, and the like, which are components of an air conditioning cycle, and the reference numeral 25 connects the upper ends of the air guide 9 and the shroud 23 to install them. It is a brace that solidifies the condition.

Next, the structure for installing the air conditioner of the above structure in the through-hole formed in the wall is demonstrated.

Trim kit 34 is installed to fill the gap between the outer surface of the cabinet 30 and the sleeve cabinet 40 to be described below, and serves to prevent leakage between the indoor and outdoor. The detailed configuration of such trim kit 34 is shown in FIG. According to this, the trim kit 34 is composed of several pieces, and the configuration of the connection part 35 for connecting them to each other is as follows.

On one side of the connecting portion 35, each of the fastening legs (37, 37 ') formed with a predetermined interval, the elastic fastener 36 is formed protruding. The elastic fasteners 36 are formed in pairs. On the other side of the connection part 35, fastening ribs 38 and 38 ′ through which the elastic fastener 36 is inserted and fastened are formed at positions corresponding to the elastic fastener 36.

On the other hand, the sleeve cabinet 40 is installed on the inner wall of the through hole, the air conditioner is mounted therein. In addition, the front and rear of the sleeve cabinet 40 is installed on the indoor side and the outdoor side, respectively, the inner sleeve cover 42 and the outer sleeve cover that prevents the indoor and outdoor in the absence of an air conditioner ( 44). Such sleeve covers 42 and 44 are removed when the air conditioner is installed. The rear grille 46 is installed at the rear end of the sleeve cabinet 40 for the flow of air passing through the outdoor heat exchanger 27 while preventing access to the components of the air conditioner from the outside.

The wall-mounted air conditioner having such a configuration is used so that a portion corresponding to the indoor side faces a space for air conditioning, and a portion corresponding to the outdoor side faces the outdoor side.

In this case, a slight gap may be formed along the outer circumference of the sleeve cabinet 40 and the cabinet 30, and the trim kit may be provided to prevent leakage of indoor air and inflow of outdoor air through the gap. 34) is used.

However, the integrated air conditioner according to the prior art as described above has the following problems.

The trim kit 34 is composed of a plurality of pieces, as shown in Figure 2 is fastened to each other through the connecting portion 35 to form one assembly. However, in the connecting portion 35, the fastening legs 37 and 37 'are inserted between the fastening ribs 38 and 38' and pressed by the fastening ribs 38 and 38 'to fasten each other in an elastically deformed state. do. In other words, the fastening legs 37 and 37 'are connected to each other while being in close contact with the fastening ribs 38 and 38' by a force to be restored.

However, the connection structure as described above has a problem in that the contact area between the fastening legs 37 and 37 'and the fastening ribs 38 and 38' is relatively narrow and its connection force is weak because it is in the contact direction or one direction.

In particular, the connection structure as described above is vulnerable to the force in the direction of the arrow of Figure 2 and the direction of twisting the trim kit 34. Therefore, the connection part 35 is detached during the handling of the trim kit 34, or the torsion occurs in the process of inserting the trim kit 34 between the cabinet 30 and the sleeve cabinet 40 of the air conditioner. There is a problem that the connection state of the (35) is separated.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to more robustly configure the trim kit.

1 is an exploded perspective view showing the main configuration of the wall-mounted air conditioner according to the prior art.

Figure 2 is a perspective view showing the configuration of a trim kit of a wall-mounted air conditioner according to the prior art.

Figure 3 is an exploded perspective view showing the configuration of a preferred embodiment of the trim kit connection structure of the wall-mounted air conditioner according to the present invention.

Figure 4 is a cross-sectional view showing a state in which the embodiment of the present invention is coupled.

Explanation of symbols on the main parts of the drawings

50: trim kit 51: post bar

52: cross bar 60: fastening body

62: fastening protrusion 64: fastening groove

70: insertion plate 72: insertion slot

74: partition plate

According to a feature of the present invention for achieving the above object, the present invention is a trim kit body consisting of a plurality of pieces, a fastening portion for fastening the trim kit body to each other, the position corresponding to the fastening portion It is formed in and in contact with each other is configured to include a torsion preventing portion for preventing the torsion of the trim kit body.

The fastening part includes a fastening protrusion protruding from both ends of one side of the trim kit body, and a fastening recess formed at a position corresponding to the fastening protrusion on the other side of the trim kit body to fasten the fastening protrusion.

The torsion preventing part includes an insertion plate protruding from one side of the trim kit body, and an insertion slot formed at a position corresponding to the insertion plate inside the other side of the trim kit body to insert the insert plate into surface contact. It is composed.

According to the present invention having such a configuration there is an advantage that the strength of the trim kit to prevent the gap formed between the outer surface of the air conditioner and the portion where the air conditioner is installed is greatly improved.

Hereinafter, a preferred embodiment of the trim kit connection structure of the wall-mounted air conditioner according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings. The same as those of the prior art will be described with the same reference numerals.

3 is a perspective view of a preferred embodiment of the trim kit mounting structure according to the present invention, and FIG. 4 is a sectional view showing the main components of the embodiment of the present invention.

As shown in these figures, the trim kit 50 of the embodiment of the present invention is composed of two post bars 51 and cross bars 52, respectively. In addition, the post bar 51 has an approximately 'c' shape. Of course, the shape of the post bar 51 and the cross bar 52 constituting the trim kit 50 may be any shape as long as it can finally form a rectangular frame, and the number thereof may also be used.

Next, a configuration for connecting the post bar 51 and the cross bar 52 will be described. The post bar 51 and the cross bar 52 are connected to each other, the configuration for fastening them to each other, there is provided a configuration for preventing the twist therebetween.

First, a fastening body 60 is formed at one end of the cross bar 52. The fastening body 60 is large enough to be inserted into the corresponding post bar 51. At this time, the left and right width of the fastening body 60 is formed to correspond to the inner width of the post bar 51, the height is formed lower than the inner height of the post bar (51).

Fastening protrusions 62 are formed on both side surfaces of the fastening body 60, respectively. The fastening protrusion 62 is formed to be inclined from the front end to the rear end so as to be easily inserted, and a vertical surface is formed at the rear end so that the fastening protrusion 62 does not fall out arbitrarily after insertion. The fastening protrusion 62 may be inserted into the fastening groove 64 of the post bar 51 to be described below to fasten the cross bar 52 and the post bar 51. In the embodiment shown in the figure, two fastening protrusions 62 are formed on each side of the fastening protrusion 62. The number of the fastening protrusions 62 may be appropriately formed according to the size of the entire trim kit 50.

In addition, fastening grooves 64 in which the fastening protrusions 62 are seated are formed at both sides of the inner surface of the post bar 51. The fastening groove 64 is formed by the number corresponding to the position corresponding to the fastening protrusion 62. In the drawing, the fastening groove 64 is formed long on the inner surface of the post bar 51 vertically, but it is not necessary to do so and may be formed at a position corresponding to the fastening protrusion 62.

An insertion plate 70 is formed to protrude from the cross bar 52 corresponding to the upper end of the fastening body 60. The insertion plate 70 extends in parallel with the upper surface of the fastening body 60.

An insertion slot 72 is formed at a position corresponding to the insertion plate 70 in the post bar 51. The width of the insertion slot 72 corresponds to the width of the insertion plate 70 and its height is formed to correspond to the thickness of the insertion plate 70. Therefore, when the insertion plate 70 is inserted into the insertion slot 72, there is almost no gap between them. This insertion slot 72 is formed by a partition plate 74 in the interior of the post bar 51.

Meanwhile, as described above, the insertion body 60 and the insertion piece 70 are not necessarily formed in the cross bar 52 and the fastening groove 64 and the insertion slot 72 in the post bar 51. These may be selectively formed in the crossbar 52 or the postbar 51 to correspond to each other.

Hereinafter, the operation of the connection structure of the trim kit according to the present invention having the configuration as described above will be described in detail.

First, it will be described that the trim kit 50 of the present invention, which is composed of a plurality of post bars 51 and cross bars 52 and connected to each other, is assembled. In the configuration as shown in the drawing, the cross bars 52 are illustrated. When the fastening body 60 is inserted into the post bar 51, the fastening protrusion 62 in the front is inserted into the fastening groove 64. If it continues to push the fastening body 60 in that state, the inclined surface of the fastening protrusion 62 is seated in the next fastening groove (64) over the fastening groove (64).

And the fastening protrusion 62 at the rear is also seated in the fastening groove 64 is fastened. Of course, in the state in which the two fastening protrusions 62 are fastened to the two fastening grooves 64, respectively, a portion where the fastening body 60 and the cross bar 52 are connected is caught by the tip of the post bar 51. Insertion of the fastening body 60 is no longer made.

Meanwhile, the insertion plate 70 is also inserted at the same time as the fastening body 60 is inserted. That is, the insertion plate 70 is inserted into the insertion slot 72 formed in the post bar 51, and the thickness and width of the insertion plate 70 are in the height and width of the insertion slot 72. Correspondingly formed, there is almost no gap between them. Therefore, even if a torsional force is applied from the outside, the post bar 51 and the cross bar 52 can be maintained without being twisted.

The trim kit connection structure of the wall-mounted air conditioner according to the present invention as described in detail above is a trim kit because the fastening protrusions are seated in the fastening grooves, and the fastening protrusions are inserted into each other, and the insertion plate is inserted into the insertion slot to widen the contact area with each other. It is possible to obtain the effect of increasing the overall strength, there is an advantage that the connection state is not separated or twisted by any force from the outside.

Claims (3)

Trim kit body consisting of a plurality of pieces, A fastening part for fastening the trim kit body to each other; And a torsion preventing portion formed at a position corresponding to the fastening portion and being in surface contact with each other to prevent torsion of the trim kit body. The fastening part of claim 1, wherein the fastening part protrudes from both ends of one side of the trim kit body; Trim kit connection structure of the wall-mounted air conditioner, characterized in that the other side of the trim kit body is formed in a position corresponding to the fastening projection comprises a fastening groove for fastening the fastening projection. According to claim 1 or 2, wherein the torsion preventing portion and the insertion plate protruding on one side of the trim kit body, And an insertion slot formed at a position corresponding to the insertion plate inside the other side of the trim kit body to insert the insertion plate into surface contact with the trim kit body.