KR102650343B1 - Laundry Treatment Apparatus - Google Patents

Abstract

The present invention relates to a cabinet provided with an entrance; a drawer pulled out from the cabinet through the entrance and equipped with a drying chamber; an air supply unit supplying air into the drying chamber; and a rack provided inside the drying chamber to provide a space for supporting clothing, wherein the rack provides a space for supporting clothing, and includes a space located at an upper portion of the rack and a rack located at a lower portion of the rack. A mesh that communicates spaces with each other; a mesh frame to which edges of the mesh are fixed; a rack frame that provides a space for combining the mesh frame and prevents a joint between the mesh and the mesh frame from being exposed to the outside; and a frame through-hole provided to penetrate the rack frame to provide a space in which the mesh frame is positioned when the mesh frame is coupled to the rack frame.

Description

Laundry Treatment Apparatus}

The present invention relates to a clothing treatment device.

In general, a clothing treatment device is a concept that includes a device that washes laundry objects (clothes, etc.), a device that dries dry objects, and a device that can both wash and dry clothes.

There was one that included a cabinet, a drum rotatably provided inside the cabinet to provide a space for storing clothes, and an air supply unit that supplied heated air to the drum. A clothing treatment device with this structure removes moisture from clothing by rotating a drum to agitate the clothing and supply heated air to the clothing. However, since the clothing treatment device with this structure supplies heated air while rotating the drum, the problem of wrinkles remaining on clothing may occur.

To solve the above-described problem, among conventional clothing processing devices, there is a drying chamber that provides a drying space, a plurality of racks provided inside the drying chamber to provide a space for clothing to be placed, and air heated by the drying chamber. There was one equipped with an air supply unit that supplied . Conventional clothing processing devices equipped with racks can minimize the problem of wrinkles remaining on clothing, but have the disadvantage of making it difficult to secure a space for drying a large amount of clothing.

It is possible to consider drying a large amount of clothing at once by providing multiple racks inside the drying chamber, but in this case, there is a disadvantage in that it is difficult to evenly supply heated air to multiple racks. In other words, if multiple racks are provided inside the drying chamber, a problem may occur where clothes placed on one rack may be damaged by overdrying, and clothes placed on other racks may not be dried.

The present invention aims to solve the problem of providing a clothing treatment device that is equipped with a plurality of racks in a drying chamber and can dry a large amount of clothing at once while supplying air evenly to each rack.

The present invention aims to solve the problem of providing a clothing treatment device equipped with a rack that can prevent or minimize exposure of the thermoplastic resin film formed on the mesh of the rack to the outside.

The present invention relates to a cabinet provided with an entrance; a drawer pulled out from the cabinet through the entrance and equipped with a drying chamber; an air supply unit supplying air into the drying chamber; and a rack provided inside the drying chamber to provide a space for supporting clothing, wherein the rack provides a space for supporting clothing, and includes a space located at an upper portion of the rack and a rack located at a lower portion of the rack. A mesh that communicates spaces with each other; a mesh frame to which edges of the mesh are fixed; a rack frame that provides a space for combining the mesh frame and prevents a joint between the mesh and the mesh frame from being exposed to the outside; and a frame through-hole provided to penetrate the rack frame to provide a space in which the mesh frame is positioned when the mesh frame is coupled to the rack frame.

The mesh frame may be joined to the edge of the mesh through insert injection molding, which supplies thermoplastic resin along the edge of the mesh.

The rack frame includes a first frame body forming a lower surface of the rack; a second frame body coupled to the upper part of the first frame body to form an upper surface of the rack; and a receiving portion provided in at least one of the first frame body and the second frame body to provide a space for accommodating the mesh frame, wherein the frame through hole is provided to penetrate the first frame body. a first body through hole; and a second body through-hole provided to penetrate the second body of the frame and communicating with the first body through-hole.

The accommodating part includes a first accommodating part provided in the frame first body to provide a space for accommodating a lower region of the mesh frame; and a second accommodating part provided in the second body of the frame to provide a space in which the upper region of the mesh frame is accommodated.

The drying chamber has a bottom surface; a front surface extending upward from the bottom surface; a rear surface fixed to the floor and provided at a position facing the front surface; a first side and a second side fixed to the bottom surface and connecting the front surface and the rear surface, wherein the air supply part is fixed to the rear surface and is located outside the drying chamber, and connects the rear surface to the rear surface. It may be provided to supply air into the drying chamber through a supply port provided to penetrate.

The present invention includes: a first axis protruding from the first side toward the second side; a second axis protruding from the second side toward the first side and located on a straight line passing through the first axis; a first shaft fastening portion provided on a side of the rack frame facing the first side to provide a space to accommodate the first shaft; a second axis fastening part provided on a side of the rack frame facing the second side to provide a space for accommodating the second axis; a rack support portion that protrudes from the front surface toward the rear surface and supports one end of the rack frame; It may include an insulating portion provided on the rack frame and seated on the rack support portion and made of an elastic material.

The present invention provides an insulating portion insertion groove provided on the bottom of the first body of the frame to provide a space in which the insulating portion is accommodated; a fastening hole located inside the insulating portion insertion groove and provided to penetrate the first body of the frame; a fastening groove protruding from the frame second body toward the fastening hole; It may further include a fastening part that couples the first frame body and the second frame body by penetrating the fastening hole and engaging the fastening groove.

The mesh frame may be provided to be removable from the rack frame.

The rack frame includes a front frame forming a front surface; A rear frame forming a rear surface; a first side frame and a second side frame connecting the front frame and the rear frame; a slit provided to penetrate the front frame and communicate the frame through hole with the outside; It may include a frame guide provided on at least one of the rear frame, the first side frame, and the second side frame, and supporting the mesh frame.

The length of the front frame in the direction in which the mesh frame is inserted may be set to be longer than the length of the front surface of the mesh frame in the direction in which the mesh frame is inserted.

The frame guide includes: a first side guide in which a surface of the first side frame is provided with a groove that is concavely bent toward a direction away from the second side frame to provide a space for receiving the first side of the mesh frame; And the surface of the second side frame is provided with a groove that is concavely bent toward a direction away from the first side frame, so that the second side of the mesh frame (the surface facing the first side of the mesh frame) is accommodated. It may include a second side guide that provides space.

The depth of the first side guide facing away from the second side frame is set to be longer than the width of the first side of the mesh frame, and the depth of the second side guide facing away from the first side frame is set to be longer than the width of the first side of the mesh frame. A clothing processing device, characterized in that it is set to be longer than the width of the second side of the mesh frame.

The frame guide may include a rear guide provided on the rear frame to provide a space into which the rear surface of the mesh frame is inserted.

The rear guide may be provided with either a rear frame through-hole provided to penetrate the rear frame or a groove in which the surface of the rear frame is concavely bent toward a direction away from the front frame.

The length of the rear guide in the direction in which the mesh frame is inserted may be set longer than the length of the rear surface of the mesh frame in the direction in which the mesh frame is inserted.

The present invention has the effect of providing a clothing processing device that is equipped with a plurality of racks in a drying chamber and can dry a large amount of clothing at once while supplying air evenly to each rack.

The present invention has the effect of providing a clothing treatment device equipped with a rack that can prevent or minimize exposure of the thermoplastic resin film formed on the mesh of the rack to the outside.

Figure 1 shows an example of the laundry treatment device of the present invention.
Figures 2 and 3 show an example of a cross-sectional view of the laundry treatment apparatus of the present invention.
Figure 4 shows an example of an air supply unit provided in the present invention.
Figure 5 shows a first embodiment of a rack provided in the present invention.
Figure 6 shows a second embodiment of the rack provided in the present invention.
Figure 7 shows a third embodiment of a rack provided in the present invention.
Figures 8 and 9 show a fourth embodiment of the rack provided in the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, the configuration or control method of the device described below is only for explaining the embodiments of the present invention and is not intended to limit the scope of the present invention, and the same reference numbers used throughout the specification refer to the same components. represents them.

As shown in FIG. 1, the laundry treatment apparatus 100 of the present invention includes a cabinet 1, a drawer 2 that can be withdrawn from the cabinet 1, and a drying space provided in the drawer. A drying chamber 211, at least one rack 7 provided inside the drying chamber to provide a space for supporting clothes, and air supplying heated air (hot air) or unheated air to the drying chamber. Includes a supply section (4).

The cabinet 1 has a cabinet body 11 that provides a space for receiving the drawer 2, and is provided on the front surface 13 of the cabinet body so that the drawer 2 is connected to the cabinet body 11. It includes an entrance 131 that provides a passage to be withdrawn from or inserted into the cabinet body 11. If the entire cabinet front surface 13 is provided as an open surface, the entrance 131 will be the cabinet front surface 13. However, when the entrance 131 is provided as a hole penetrating part of the front surface 13 of the cabinet, a stopper 133 is provided at the edge of the entrance 131 to support the panel 24 provided in the drawer 2. ) will be provided.

The rear surface 14 of the cabinet is provided with a cabinet cover 15 that is detachably coupled to the cabinet body 11. The cabinet cover 15 is detachably coupled to the cabinet body 11 as described above. This is to facilitate access to devices installed on the back of the drawer (2) or inside the cabinet body (11). The cabinet cover 15 may be provided with a plurality of cover through holes 151. The cover through holes 151 are means for supplying outside air into the cabinet 1, and the air supply unit 4 is Outdoor air can be supplied to the drying chamber 211 through the cover through hole 151.

The drawer 2 includes a body 21 that can be withdrawn from the cabinet body 11 through the entrance 131, and the drying chamber 211 is provided in the body 21. That is, as shown in FIG. 2, the drying chamber 211 is fixed to the bottom surface 212, the front surface 213 extending upward from the bottom surface 212, and the bottom surface 212. A rear surface 214 provided at a position facing the front surface 213, a first side 215 fixed to the bottom surface 212 and connecting the front surface 213 and the rear surface 214, and It may be provided on the second side 216.

The upper surface of the drying chamber 211 is provided with an inlet 211a through which clothes enter and exit. The inlet 211a may be provided as an open upper surface of the drying chamber 211, or may be provided as a hole provided to penetrate a portion of the upper surface of the drying chamber. The input hole 211a is exposed to the outside of the cabinet 1 when the user withdraws the body 21 from the cabinet 1.

A panel 24 is fixed to the body 21, and the panel 24 may be provided as a panel body 241 capable of closing the entrance 131. That is, the panel body 241 may be provided in a shape that allows the entrance 131 to be closed when the body 21 is inserted into the cabinet 1. In this case, the panel body 24 will be located outside the cabinet 1 even if the body 21 is inserted into the cabinet 1, so the panel body 241 is attached to the handle of the body 21. It will also be able to fulfill its role.

The panel body 241 may be provided with a control panel 244. The control panel 244 may be provided with an input unit 244a and a display unit 244b. The input unit 244a is a means for inputting control commands to the laundry treatment device 100, and the display unit 244b is a means for inputting control commands to the laundry treatment device 100. It is a means of displaying selectable control commands and displaying the execution process of the selected control command.

As shown in FIG. 3, a rack is provided inside the drying chamber 211 to provide a space for clothing to be placed. The rack is a first rack 7 located inside the drying chamber 211. , upper rack), and a second rack (8, lower rack) located between the first rack (7) and the floor surface (212). The first rack 7 is provided with a first ventilation portion 76 that communicates the space of the drying chamber located at the top of the first rack and the space of the drying chamber located at the bottom of the first rack. The second rack 8 is provided with a second communication part 86 that communicates the space of the drying chamber located above the second rack with the space of the drying chamber located below the second rack. The first ventilation portion 76 and the second ventilation portion 86 may be provided in any shape, structure, and material as long as the above-described functions can be implemented. Figure 3 shows the ventilation portions 76 and 86. An example is shown where a mesh is provided with a plurality of holes (mesh holes).

The first ventilation part 76 is provided in a hole provided to penetrate the first rack 7 to provide a space for supporting clothes, and the second ventilation part 86 is provided in the second rack 8. It is provided in a penetrating hole to provide a space where clothing is supported. Therefore, even though the inside of the drying chamber 211 is divided into separate spaces by the first rack 7 and the second rack 8, the spaces are communicated with each other by the ventilation portions 76 and 86. It will be. The first rack 7 and the second rack 8 may have the same structure, and the specific structure will be described later.

Meanwhile, the first rack 7 and the second rack 8 are connected to the inlet 211a by axes provided on the first side 215 and the second side 216 (see FIG. 1) of the drying chamber 211. It may be provided to be rotatable toward. That is, the first rack 7 is connected to the first rack first axis 217 provided on the first side 215 and the first rack second axis (not shown) provided on the second side 216. It is provided to rotate in the drying chamber 211 toward the inlet 211a, and the second rack 8 includes a second rack first axis 218 provided on the first side 215, and a first rack first axis 218. It may be provided to rotate from the drying chamber 211 toward the inlet 211a by a second rack (located at the lower part of the shaft) and a second axis (not shown) provided on the second side 216. The first rack 7 must be able to rotate toward the input port 211a so that the user can place clothing on the second rack 8, and the second rack 8 can only rotate toward the input port 211a. Thereby, the user will be able to place clothing on the floor surface 212.

When the first rack and the second rack are provided to rotate within the drying chamber, a rack support portion 25 that supports the free end of each rack may be provided on the front surface 213 of the drying chamber. The rack support part 25 may be provided with a first support part 251 supporting the free end of the first rack 7 and a second support part 255 supporting the free end of the second rack 8. .

So that the first support part 251 does not interfere with the rotation of the second rack 8 when the second rack 8 rotates toward the inlet 211a, the first support part 251 is connected to the first support rotation axis. A first receiving groove (213a, or receiving hole) rotatably coupled to the front surface 213 through (253) and providing a space in which the first support portion 251 is accommodated in the front surface 213. This can be provided.

Meanwhile, a spacer 6 may be further provided in the space between the second rack 8 and the floor 212 so that clothes placed in the lower space of the second rack 8 can be easily dried. . The spacer 6 is provided to maintain a spaced state from the bottom surface 212 and is a means of providing a space for clothing to be placed.

The spacer 6 is provided to be located in the space between the second rack 8 and the floor 212 and provides a space for supporting clothes. The support body 61 and the floor A plurality of protrusions 65 protruding from the support body 61 toward the bottom surface 212 to maintain the gap between the surfaces 212, and a support body through hole provided to penetrate the support body 611. It may be provided to include (611).

Furthermore, the spacer 6 may be further provided with a spacer handle 63 formed by bending concavely from the support body 61 toward the bottom surface 212. The spacer handle 63 is formed on the surface of the support body 61. The length from the end of the support body 63 may be the same as the length from the surface of the support body 61 to the end of the protrusion 65.

In order to facilitate mounting the spacer 6 in the space located below the second rack 8, the second support part 255 is connected to the front surface 213 through the second support rotation axis 257. It is provided to be rotatably coupled to, and a second receiving groove (213b, or receiving hole) in which the second support portion 255 can be accommodated may be provided on the front surface.

Clothes mounted on the racks 7, 8 and the spacer 6 are dried by hot air or unheated air supplied by the air supply unit 4 to the drying chamber 211. Hereinafter, the air supply unit 4 is referred to as The explanation is based on the case where it is equipped to supply hot air.

The air supply unit 4 supplies hot air to the drying chamber through a supply port 214a provided to penetrate one side of the drying chamber 211. Figure 3 shows that the supply port 214a is connected to the rear surface 214. An example is shown in which a penetrating hole is provided.

The air supply unit 4 is located outside the drying chamber and is provided at a higher level than the supply port 214a, and the air discharged from the air supply port 4 is discharged from the supply port 214a to the air supply port 4. ) can be supplied to the supply port (214a) through a duct 47 inclined upward.

The cabinet cover 15 is fixed to the rear surface of the cabinet 14 and closes the rear through hole 141 provided to penetrate the rear surface of the cabinet 14, and moves in a direction away from the rear surface of the cabinet 14. Since it is provided to be bent toward, when the drawer (2) is inserted into the cabinet (1), the cabinet cover (15) will provide a space in which the air supply unit (4) is accommodated.

As shown in FIG. 4, the air supply unit 4 includes heating units 41 and 42 that heat air, and fans 431, 432, 44, 45, and 46 that supply air to the drying chamber 211. Includes.

The fan has a housing that communicates with the drying chamber 211 through the duct 47, a first impeller 44 and a second impeller 45 provided in the housing, and a rotation shaft 461 that rotates the impellers. It may include a provided motor 46. The housing may include a first housing 431 that provides a space for accommodating the first impeller 44, and a second housing 432 that provides a space for accommodating the second impeller 45.

The first impeller 44 and the second impeller 45 may be provided as centrifugal impellers that suck air into the rotation center and discharge the air through the circumferential surface, and the first housing 431 and the second housing (432) may be provided as a cylinder capable of accommodating each impeller. The first housing 431 is provided with a first inlet 431a on one surface facing the first side 215 of the drying chamber and a circumferential surface facing the rear surface 214 of the drying chamber to form the duct 47. It is provided to include a first outlet 431b communicating with, and the second housing 432 has a second inlet 432a provided on one side facing the second side 216 of the drying chamber and a rear surface of the drying chamber. It may be provided on the circumferential surface facing (214) and include a second outlet (432b) communicating with the duct (47).

The heating unit may include a heating unit housing 41 fixed to the housings 431 and 432, and a heater 42 fixed to the heating unit housing. The heating unit housing 41 may be fixed to either the first housing 431 or the second housing 432. Figure 4 shows the heating unit housing 41 coupled to the second housing 432. Thus, it may include a base 411 on which the heater 42 is fixed, and a base cover 412 coupled to the base to form a flow path communicating with the second inlet 432a. Since the heater 42 is located inside the flow path formed by the base 411 and the base cover 412, it can heat the air moving to the second inlet 432a.

The base cover 412 not only serves as a means of forming the flow path, but also serves as a means to prevent water or combustible materials from contacting the heater 42 by preventing the heater 42 from being exposed to the outside. However, in order to smoothly supply air to the second inlet 432a, the base cover 412 may be further provided with a plurality of cover slits 414. The cover slit 414 is provided through the base cover 412. Furthermore, when the base cover 412 interferes with the second outlet 432b provided in the second housing, the base cover 412 further has a cover through hole 413 communicating with the second outlet 432b. It must be provided. The motor 46 may be a double shaft motor that rotates the two impellers 44 and 45 through one rotation shaft 461.

As shown in FIG. 3, the first outlet 431a and the second outlet 432b provided in the air supply unit 4 are located higher than the lowermost end of the supply port 214a, and the duct 47 is The supply port 214a is provided to be inclined upward toward the two discharge ports 431b and 432b, including the space between the first rack 7 and the second rack 8, and the second rack 8 and the bottom surface ( 212) This is to easily supply hot air to the space between them.

As the inclination angle (A, the angle from the rear surface to the center of each outlet) of the duct 47 with respect to the rear surface 214 increases, the rear surface 214 of the drawer for installation of the air supply unit 4 The effect of reducing the volume of space required and increasing the amount of air supplied to the space between the second rack 8 and the floor 212 can be expected. However, as the angle A increases, the amount of air supplied to the space between the first rack 7 and the second rack 8 and the space located at the top of the first rack 7 decreases. A disadvantage may arise that the volume of space required on the rear surface 214 of the drawer for installation of the supply unit 4 increases. Therefore, the inclination angle A of the duct 47 with respect to the rear surface 214 needs to be appropriately set. According to experiments, the angle A must be set within the range of 30 to 60 degrees to maximize the above-mentioned advantages and minimize the disadvantages.

Meanwhile, the space between the first rack (7) and the second rack (8), the space between the second rack (8) and the spacer (6), and the space located at the top of the first rack (7) In order to supply air evenly, a guide 49 may be further provided at the supply port 214a.

The guide 49 is provided at the supply port 214a and guides air into the space between the second rack 8 and the spacer 6. The guide 49a is provided at the supply port 214a. It may include a second guide (49b) that guides air into the space between the first rack (7) and the second rack (8).

The first guide 49a and the second guide 49b may be provided with one or more boards provided along the width direction (X-axis direction) of the rear surface 214. FIG. 2 shows the first guide 49a and the second guide 49b. 1 guide 49a is provided along the width direction of the rear surface 214, the first guide first board 491, and the first guide 1 board 491 is provided along the width direction of the rear surface 214 ( An example is shown in which the first guide is provided with the second board 492 located at the top of 491).

The duct 47 provided in the present invention is inclined with respect to the rear surface 214 and guides the air discharged from the air supply unit 4 to the supply port 214a, so that the second rack 8 and In order to evenly supply air to the space between the floor surfaces 212, the upper surface inclination angle (A1) of the first guide first board and the upper surface inclination angle (A2) of the first guide second board are set differently. It is desirable to be Figure 2 shows that the upper surface inclination angle (A1) of the first guide first board, which is inclined downward toward the floor surface 212, is set to be larger than the upper surface inclination angle (A2) of the first guide second board. The case is shown.

The second guide 49b may also be provided as one or more boards. Figure 2 shows the second guide first board 493 and the second guide second guide 49b provided at the supply port 214a along the width direction (X-axis direction) of the rear surface 214. The case where it is provided with the 2nd board 494, the 2nd guide 3rd board 495, and the 2nd guide 4th board 496 is shown as an example.

The second guide first board 493 is located above the first guide second board 492, and the second guide second board 494 is located above the second guide first board 493, The second guide third board 495 is located on the upper part of the second guide second board 494, and the second guide fourth board 496 is located on the upper part of the second guide third board 495. You can.

In this case, the upper surface inclination angle (A3) of the first second guide board, which is inclined downward toward the upper surface of the second rack (8), is the upper surface inclination angle (A4) of the second guide second board. It is preferable that it is set larger than the inclination angle (A2) of the upper surface of the first guide and second board.

Meanwhile, the upper surface inclination angle (A4) of the second guide second board is set larger than the upper surface inclination angle (A5) of the second guide third board, and the upper surface inclination angle of the second guide third board (A5) may be set larger than the upper surface inclination angle (A6) of the fourth board of the second guide.

The volume of the space formed between the first rack (7) and the second rack (8) and the volume of the space located above the first rack (7) are larger than the volume of the space located below the second rack (8). This is advantageous for drying clothes placed on the first rack (7) and the second rack (8). Meanwhile, the volume of the space formed between the first rack 7 and the second rack 8 may be set to be the same as the volume of the space located above the first rack 7 (the first rack and the second rack 8). The distance between them can also be set to be the same as the distance between the first rack and the inlet). However, because of the inlet 211a formed on the upper surface of the drying chamber, the clothing support space formed on the upper part of the first rack 7 will extend from the first rack to the upper surface of the cabinet body 11. The volume of the space formed between the rack 7 and the second rack 8 can be set larger than the volume of the space located at the top of the first rack 7 (the distance between the first rack and the second rack is 1 It can be set longer than the distance between the rack and the inlet).

The number of boards 493, 494, 495, 496 provided in the second guide 49b is set to be greater than the number of boards 491, 492 provided in the first guide 49a. This is to increase drying efficiency by supplying air evenly to the entire space between the rack (7) and the second rack (8).

Furthermore, the guide 49 may further include a third guide 49c that guides air to the space located at the top of the first rack 7, and the third guide 49c is also of the drawer. It may be provided with one or more boards provided in the supply port 214a along the width direction (X-axis direction). 2 shows the third guide first board 497, where the third guide 49c is located above the second guide fourth board 496, and the third guide first board 497 is located above the third guide 497. This shows the case where the third guide is provided with the second board 498. In this case, the inclination angle A7 of the upper surface of the first board of the third guide, which is inclined downward toward the upper surface of the first rack 7, is greater than the inclination angle A8 of the upper surface of the second board of the third guide. It is desirable to set it larger. This is because supplying air toward the upper surface of the first rack (7) will be advantageous for heat exchange between clothes and hot air. The inclination angle (A7) of the upper surface of the first board of the third guide is preferably set to be smaller than the inclination angle (A6) of the upper surface of the fourth board of the second guide.

The heater 42 provided in the air supply unit has an inlet located close to the cover through hole 151 among the first inlet 431a provided in the first housing and the second inlet 432a provided in the second housing. It is desirable to be provided to heat the air flowing into the furnace. That is, as shown in FIG. 1, when the second inlet 432a is close to the cover through hole 151, the heater 42 is provided to heat the air flowing into the second inlet 432a. This is desirable.

As shown in FIG. 3, since the drying chamber 211 provided in the present invention is provided with an inlet 211a on the upper surface, the air that has completed heat exchange with the clothes enters the cabinet 1 through the inlet 211a. Some of the air discharged inside the cabinet (1) is discharged to the outside of the cabinet (1) through the entrance (131), etc., and the rest is discharged to the drying chamber (211) through the air supply unit (4). ) is resupplied.

Although the air discharged from the inlet 211a is air that has completed heat exchange with clothing, it is air that possesses thermal energy compared to the outside air flowing in through the cover through hole 151. Therefore, in the present invention, the air supply unit 4 resupplies some of the air discharged through the inlet 211a to the drying chamber 211, which has the effect of saving energy required for drying (clothes with high drying efficiency). There is an effect of providing a processing device).

For this purpose, the amount of air discharged from the drying chamber 211 and supplied to the air supply unit 4 is set to be greater than the amount of air supplied to the air supply unit 4 through the cover through hole 151. desirable. According to the experiment, the ratio of the amount of air discharged from the drying chamber 211 and supplied to the air supply unit 4 and the air supplied to the air supply unit 4 through the cover through hole 151 is 60:40. The drying efficiency is the best when set to 55:45.

The amount of air discharged from the drying chamber 211 and supplied to the air supply unit 4 and the amount of air supplied to the air supply unit 4 through the cover through hole 151 are determined by the area of the inlet 211a, It can be adjusted through the total area of the cover through hole 151, the area of the first inlet 431a, the second inlet 432a, and the area of the supply port 214a.

The front surface 213 of the drying chamber 211 may be further provided with an additive supply unit 5 for supplying additives to clothing. The additives mentioned herein refer to substances that supply fragrance to clothing or remove odor from clothing, and a sheet-type air freshener may be an example. The additive supply part 5 penetrates the mounting part 51 provided on the front surface 213 of the drying chamber, the insertion hole 53 provided on the upper surface of the mounting part, and the front surface 213 to form the mounting part 51. ) and a communication hole 55 that communicates with the drying chamber 211, and a sheet-shaped additive 57 inserted into the mounting portion 51.

Hereinafter, with reference to FIGS. 5 to 9, the specific structures of the first rack 7 and the second rack 8 provided in the present invention will be described.

The first rack 7 shown in FIG. 5 includes a first rack frame F1 provided with a frame through hole 74, and an edge is fixed to the first rack frame F1 and is connected to the frame through hole 74. It includes a first ventilation portion (76, first mesh) located. Among both sides of the first rack frame (F1), a first rack first axis 217 is detachably coupled to the side facing the first side 215 of the drying chamber (the side located in the -X axis direction). A 1-axis fastening part (not shown) is provided, and among both sides of the first rack frame (F1), the side facing the second side 216 of the drying chamber (the side located in the A second shaft fastening portion 78 is provided to which the shaft (not shown) is detachably coupled.

The first shaft fastening portion and the second shaft fastening portion 78 may be provided with an open slit at the lower end (the surface facing the bottom of the drying chamber), through which the first rack 7 can be connected to an inlet ( Not only can it rotate toward 211a), but it can also be separated from the drying chamber 211. Accordingly, the user will be able to dry even bulky objects by removing the first rack 7 from the drying chamber 211.

Furthermore, bent portions 751 and 753 may be further provided on both sides of the first rack frame F1. The bent portion 751 is a first bent portion 751 provided on the side facing the first side of the drying chamber 211 among both sides provided by the first rack frame F1. Among the two sides provided, a second bent portion 753 may be provided on the side facing the second side of the drying chamber 211.

The bent portions 751 and 753 are such that both sides of the first rack frame F1 are bent concavely in a direction away from both sides (first side, second side) of the drying chamber, thereby creating a space located at the top of the first rack. and the space located at the bottom of the first rack are communicated with. Since the bent portions 751 and 753 allow part of the clothing mounted on the first rack 7 to hang in the lower space of the first rack 7, they have a useful effect in drying long clothing. . Unlike shown in FIG. 5, the bent portion may be provided as either a first bent portion 751 or a second bent portion 753.

A handle 724 may be further provided on the upper surface of the first rack frame (F1), and an insulating portion 79 may be further provided on the lower surface of the first rack frame (F1). The insulating portion 79 may be made of an elastic material such as rubber. The insulating portion 79 absorbs shock when the first rack frame F1 contacts the first support portion 251 provided on the front surface of the drying chamber 211, so that the first rack frame F1 It is possible to prevent damage and prevent noise.

The second rack 8 may have the same structure as the first rack 7 described above. That is, the second rack 8 includes a second rack frame F2, a frame through-hole 84 provided in the second rack frame and where a second ventilation portion 86, a second mesh, is located, and a second rack frame. through hole). A handle 824 (second rack handle) and an insulating portion 89 (second rack insulating portion) may be provided on the upper and lower surfaces of the second rack frame F2, respectively. In addition, on both sides of the second rack frame (F2), a second rack first bent portion 851, a second rack second bent portion 853, a second rack first axis fastening portion, and a second rack second bending portion are provided on both sides of the second rack frame (F2). A shaft fastening portion 88 may be provided.

Meanwhile, the first rack frame (F1) is coupled to the first mesh (76) through insert injection molding, which injects thermoplastic resin along the edge of the first mesh (76), and the second rack frame (76) is connected to the first mesh (76). The rack frame (F2) can be coupled to the second mesh (86) through insert injection, which injects thermoplastic resin along the edge of the second mesh (86). In this case, the thermoplastic resin may form a film (FR, film of resin, also known as flash) that blocks the mesh holes located at the edges of the meshes 76 and 86. If a film (FR) is formed along the edges of the meshes (76, 86), it not only becomes difficult to supply air to the clothing mounted on each mesh (76, 86), but also causes the user to suspect that the rack is defective. can cause

The first rack 7 and the second rack 8 shown in FIGS. 6 to 9 are capable of preventing the film FR from being formed on the mesh or preventing the film FR formed on the mesh from being exposed to the outside. It is characteristic.

The first rack 7 and the second rack 8 shown in FIG. 6 are characterized in that they can prevent the formation of a film FR on the mesh, and the first rack 7 and the second rack according to this embodiment The structure of (8) is the same. Therefore, only the structure of the first rack 7 will be described below.

The first rack 7 according to this embodiment also includes a first rack frame F1, a frame through-hole 74 provided to penetrate the first rack frame, and a first ventilation portion 76 provided in the frame through-hole. , first mesh).

The first rack frame (F1) is formed by combining the first rack lower frame (71) and the first rack upper first subframe (72). The first rack lower frame (71) is formed by combining the first rack lower frame (71) with the first rack (72). ) is provided with a frame first body 711 that forms the lower surface of the frame, and the second rack upper frame 72 is coupled to the frame first body 711 to form the upper surface of the first rack. It can be provided as 2 bodies (721).

In this case, the frame through hole 74 includes a first body through hole 741 provided to penetrate the frame first body 711 and a second body through hole provided to penetrate the frame second body 721. It may be provided as a hole 743. When the frame first body 711 and the frame second body 721 are combined, the first body through hole 741 and the second body through hole 743 form one frame through hole 74. do.

The first frame body 711 is provided with a plurality of fixing pins 712a. The fixing pins 712a are pins that protrude from the first frame body 711 toward the second frame body 721. A plurality of fixing pins 712a are provided along the edge of the first body through-hole 741, and the first mesh 76 is attached to the frame first body 711 through the fixing pins 712a. It is fixed. That is, if the holes located at the edges of the plurality of mesh holes provided in the first mesh 76 are coupled to the fixing pins 712a, the first mesh 76 is fixed to the frame first body 711. It will be. The frame second body 721 is provided in a shape to prevent the fixing pin 712a from being exposed to the outside.

In order to prevent sagging of the first mesh 76, the frame first body 711 may be further provided with a plurality of mesh supports 713 provided to cross the first body through hole 741. there is. The second frame body 721 may be provided with a handle 724.

On both sides of the frame first body 711, there are first axis fastening parts (not shown) to which the first axis of the first rack 217 is detachably coupled, and second axes to which the second axis of the first rack is detachably coupled. A shaft fastening portion 78 is provided. Since the shape and function of the first and second shaft fastening units 78 have been previously described, detailed descriptions will be omitted. However, unlike shown in FIG. 6, the first shaft fastening portion and the second shaft fastening portion 78 may be provided on both sides of the frame second body 721, respectively.

The first rack 7 provided in this embodiment also has a first bent portion 751 and a first bent portion 751 provided on the side facing the first side of the drying chamber 211 among both sides provided by the first rack frame F1. It may further include a second bent portion 753 provided on the side facing the second side of the drying chamber 211 among both sides provided by the rack frame F1. Since the function and shape of the first bent portion and the second bent portion have been previously described, detailed description will be omitted. However, when the first rack frame (F1) is formed by combining the lower frame 71 and the upper frame 72, the first bent portion 751 is formed on the left side of the frame first body 711 and Should be provided on the left side of the frame second body 721, and the second bent portion 753 should be provided on the right side of the frame first body 711 and the right side of the frame second body 721, respectively. will be.

The frame first body 711 is provided with an insulating portion 79, which is made of an elastic material such as rubber when the first rack 7 is seated on the first support portion 251. Absorbs the shock that occurs. In order to provide a space for accommodating the insulating part 79, the first frame body 711 may be provided with an insulating part insertion groove 715. The insulating portion insertion groove 715 may be provided by bending the surface of the frame first body 711 facing the bottom surface 212 of the drying chamber concavely in a direction away from the bottom surface 212.

The above-described frame first body 711 and frame second body 721 can be coupled to each other through a fastening part 73 such as a bolt. For this purpose, the frame first body 711 is provided with a fastening hole 714. The frame second body 721 may include a fastening groove 723 provided at a position corresponding to the fastening hole 714. In this case, the fastening part 73 will pass through the fastening hole 714 and be fixed to the fastening groove 723 to couple the two frame bodies 711 and 721.

The fastening hole 714 may be located inside the insulating portion insertion groove 715. In this case, the insulating part 79 can prevent the fastening part 73 from being exposed to the outside of the first rack 7, and not only prevents corrosion 73 of the fastening part, but also prevents the fastening part 73 from being exposed to the outside of the first rack 7. The aesthetics of the rack (7) will also be improved.

In the first rack 7 according to this embodiment, the first rack frame F1 and the first mesh 76 are not joined through insert injection, but a fixing pin provided on the frame first body 711 ( Since it is fixed to the first rack frame F1 through 712a), it is possible to prevent a film of thermoplastic resin from being formed on the first mesh 76.

The first rack 7 and the second rack 8 shown in FIGS. 7 to 9 are characterized in that they can prevent the film FR formed on the meshes 76 and 86 from being exposed to the outside, and in this embodiment, The structures of the first rack 7 and the second rack 8 are the same. Therefore, only the structure of the first rack 7 will be described below.

The first rack 7 shown in FIG. 7 provides a first rack frame F1, a frame through hole 74 provided to penetrate the first rack frame, and a space for supporting clothing, and the first rack frame F1. It includes a first ventilation portion (76, first mesh) that communicates the space located in the upper part of the first rack with the space located in the lower part of the first rack, and a mesh frame 77 in which the edge of the first mesh is fixed. . The first rack frame (F1) not only provides a space for the mesh frame (77) to be joined, but is also provided to prevent the joint portion of the first mesh (76) and the mesh frame (77) from being exposed to the outside. do. Meanwhile, when the mesh frame 77 is coupled to the first rack frame F1, the first mesh 76 is located in the frame through hole 74.

The mesh frame 77 is coupled to the first mesh 76 through insert injection molding, which supplies thermoplastic resin along the edge of the first mesh 76. In this case, a film FR formed by filling the holes of the first mesh 76 with a thermoplastic resin will be formed at the joint between the first mesh 76 and the mesh frame 77.

The first rack frame (F1) is formed by combining the first rack lower frame (71) and the first rack upper first subframe (72). The first rack lower frame (71) is formed by combining the first rack lower frame (71) with the first rack (72). ) is provided with a frame first body 711 that forms the lower surface of the frame, and the second rack upper frame 72 is coupled to the frame first body 711 to form the upper surface of the first rack. It can be provided as 2 bodies (721). The frame first body 711 is provided with a first body through hole 741, and the frame second body 721 is provided with a second body through hole 743, and the frame through hole 74 is provided. It is formed by combining the first body through hole 741 and the second body through hole 743.

At least one of the first frame body 711 and the second frame body 721 is provided with accommodating parts 712 and 722 that provide a space for accommodating the mesh frame 77. 7 shows a first accommodating part 712 provided in the frame first body 711 to accommodate the lower surface of the mesh frame 77, and a first accommodating part 712 provided in the frame second body 721 to accommodate the mesh frame 77. The case where the frame 77 is provided with a second receiving portion 722 that accommodates the upper surface is shown as an example.

Like the embodiment of FIG. 6, the frame first body 711 is provided with an insulating part insertion groove 715 that accommodates the insulating part 79, and the insulating part insertion groove 715 is located on the bottom surface of the drying chamber. The surface of the first frame body 711 facing 212 may be bent concavely in a direction away from the bottom surface 212 .

The first rack 7 is provided to penetrate the frame first body 711 and is connected to a first fastening hole 714 located inside the insulating portion insertion groove 715 and a second frame body 721. The first frame body 711 and the second frame body 721 are connected to the fastening groove 723 through the fastening hole 714, which protrudes toward the fastening hole 714. It further includes a fastening part 73 that couples.

The mesh frame 77 is accommodated in a space formed by the first accommodating part 712 and the second accommodating part 722, and the first mesh 76 is connected to the frame first body 711 and the Since it is located in the frame through-hole 74 through the gap formed between the coupling surfaces of the frame second body 721, the first rack 7 according to this embodiment includes the mesh frame 77 and the first mesh 76. It is possible to prevent or minimize the film FR formed at the joint from being exposed to the outside of the first rack frame F1.

Meanwhile, in order to prevent the first mesh 76 from sagging, the frame first body 711 will be further provided with a plurality of mesh supports 713 provided to cross the first body through hole 741. You can. A handle 724 may be provided on the upper surface of the second frame body 721.

On both sides of the frame first body 711, there are first axis fastening parts (not shown) to which the first axis of the first rack 217 is detachably coupled, and second axes to which the second axis of the first rack is detachably coupled. A shaft fastening portion 78 is provided.

The first rack 7 provided in this embodiment also has a first bent portion 751 and a first bent portion 751 provided on the side facing the first side of the drying chamber 211 among both sides provided by the first rack frame F1. It may further include a second bent portion 753 provided on the side facing the second side of the drying chamber 211 among both sides provided by the rack frame F1. The first bent portion 751 should be provided on the left side of the frame first body 711 and the left side of the frame second body 721, respectively, and the second bent portion 753 should be provided on the left side of the frame first body 711. It should be provided on the right side of the body 711 and the right side of the second frame body 721, respectively.

The first rack 7 and the second rack 8 shown in FIGS. 8 and 9 are provided with a mesh frame 77 that can be withdrawn from the rack frames F1 and F2, so that the edges of the mesh 76 and 86 It is characterized by minimizing exposure of the film (FR) formed along to the outside. Since the first rack 7 and the second rack 8 according to this embodiment may be provided with the same structure, only the first rack 7 will be described below.

As shown in FIG. 8, the first rack 7 according to this embodiment includes a first rack frame F1, a frame through hole 74 provided to penetrate the first rack frame, and a space in which clothing is supported. Provides a first ventilation portion (76, first mesh) that communicates the space located at the top of the first rack and the space located at the bottom of the first rack, and an edge of the first mesh is fixed. Includes a mesh frame 77.

The mesh frame 77 includes a mesh frame body 771 to which an edge of the first mesh 76 is fixed, and a mesh frame stopper 773 provided on the front surface of the mesh frame body. The mesh frame body 771 may be coupled to the first mesh 76 through insert injection, which supplies thermoplastic resin to the edges of the first mesh 76. In this case, a film FR will be formed at the joint between the first mesh 76 and the mesh frame body 771. The mesh frame stopper 773 may be provided to serve as a handle for the mesh frame 77.

The first rack frame (F1) includes a front frame 716 forming the front surface of the first rack 7, a rear frame 717 forming the rear surface of the first rack 7, and the front frame ( It may be provided with a first side frame 718 and a second side frame 719 connecting the rear frame 716 and the rear frame 717. The front frame 716, the rear frame 717, the first side frame 718, and the second side frame 719 are formed at the edges of the frame through hole 74 so that the frame through hole 74 is formed at the center. It can be provided according to .

The front frame 716 is provided with a slit 716a that penetrates the front frame 716 and communicates with the frame through hole 74, and the front surface of the front frame 716 is provided with a concavely bent groove. A seating groove 716b in which the mesh frame stopper 773 is seated may be provided.

Meanwhile, at least one of the rear frame 717, the first side frame 718, and the second side frame 719 is further provided with a frame guide for supporting the mesh frame body 771. The frame guide includes a first side guide 718a provided on the first side frame 718, a second side guide 719a provided on the second side frame 719, and a rear frame 717. It may be provided with at least one of the rear guides 717a.

The first side guide 718a is provided with a groove in which the surface of the first side frame 718 is concavely bent toward a direction away from the second side frame 719, and the second side guide 719a The surface of the second side frame 719 may be provided with a groove bent concavely in a direction away from the first side frame 718.

The first side guide 718a and the second side guide 719a are provided to extend from both ends of the slot 716a toward the rear frame 717. Therefore, the first side guide 718a provides a space where one side of the mesh frame body 771 is accommodated, and the second side guide 719a provides a space where the other side of the mesh frame body 771 is accommodated. We will provide a space where

The length L1 of the front frame with respect to the direction in which the mesh frame 77 is inserted (-Z-axis direction) is the front frame of the mesh frame with respect to the direction in which the mesh frame 77 is inserted (-Z-axis direction). It is desirable to set it longer than the direction length (ML1). In addition, the depth of the first side guide 718a facing away from the second side frame 719 (-X axis direction) is the side width (ML4, mesh frame first side) of the mesh frame body 771. The depth (L2) of the second side guide 719a is set longer than the width of the first side frame 718 and faces away from the first side frame 718 (X-axis direction). The depth L2 is the side width of the mesh frame body 771. It is desirable to set it longer than (ML2, width of the second side of the mesh frame). This is to minimize exposure of the film FR formed on the first mesh 76 to the outside.

The rear guide 717a is a means of providing a space into which the rear surface of the mesh frame body 771 is inserted. The rear guide 717a is designed to move the surface of the rear frame 717 away from the front frame 716. It may be provided as a groove bent concavely in the direction (-Z axis direction), or may be provided as a rear frame through hole (see FIG. 9) provided to penetrate the rear frame 717.

In any case, the length L3 of the rear guide in the direction in which the mesh frame 77 is inserted is longer than the rear surface length ML3 of the mesh frame body 771 in the direction in which the mesh frame is inserted. must be set.

In order to prevent the first mesh 76 from sagging, the first rack frame F1 may be provided with a plurality of mesh supports 713 connecting the front frame 716 and the rear frame 717.

As shown in FIG. 9, the lower surface of the front frame 716 is provided with an insulating part insertion groove 715 to which the insulating part 79 is fixed, and the upper surface of the front frame 716 is provided with a handle 724. ) may be provided.

The first side frame 718 and the second side frame 719 have a first axis fastening part (not shown) to which the first rack first axis 217 is detachably coupled, and a first rack second axis is detachably attached to the first side frame 718 and the second side frame 719. A second shaft fastening part 78 that can be coupled is provided, respectively. The first side frame 718 is provided with a first bent portion 751 bent in a direction (X-axis direction) away from the first side 215 of the drying chamber, and the second side frame 719 is provided with a first bent portion 751. A second bent portion 753 is provided that is bent in a direction away from the second side 216 of the drying chamber (-X axis direction). Since the shapes and functions of the first shaft fastening portion, the second shaft fastening portion 78, the first bending portion 751, and the second bending portion 753 have been previously described, detailed descriptions will be omitted.

The present invention can be modified and implemented in various forms, and its scope is not limited to the above-described embodiments. Therefore, if the modified embodiment includes elements of the claims of the present invention, it should be considered to fall within the scope of the present invention.

100: Clothing processing device 1: Cabinet 11: Cabinet body
13: front side of cabinet 131: entrance 14: rear side of cabinet
15: Cabinet cover 151: Cover through hole 2: Drawer
21: Body 211: Drying chamber 211a: Inlet
24: panel 244: control panel 25: rack support
251: first support part 255: second support part 4: air supply part
41: Heating unit housing 42: Heater 431: First housing
431a: first inlet 431b: first outlet 432: second housing
432a: second inlet 432b: second outlet 44: first impeller
45: second impeller 47: duct 49: guide
49a: 1st guide 49b: 2nd guide 49c: 3rd guide
5: Additive supply unit 57: Sheet-type additive 6: Spacer
61: Support body 611: Through hole 63: Spacer handle
7: First rack 74: Frame through hole 751: First bent section
753: second bent part 76: first ventilation part 79: insulating part
8: Second rack 84: Second rack frame through hole 86: Second ventilation section

Claims (15)

Cabinet with doorway;
It can be withdrawn from the cabinet through the doorway, and has a bottom surface, a front surface extending upward from the bottom surface, a rear surface fixed to the floor surface and provided at a position facing the front surface, and a bottom surface. A drawer provided with a drying chamber including a first side and a second side that is fixed and connects the front surface and the rear surface;
an air supply unit supplying air into the drying chamber; and
It includes a rack provided inside the drying chamber to provide a space for supporting clothes,
The rack includes a mesh that provides a space for supporting clothing and communicates a space located at the top of the rack and a space located at the bottom of the rack; a mesh frame where edges of the mesh are fixed; a rack frame that provides a space where the mesh frame is coupled and prevents a joint between the mesh and the mesh frame from being exposed to the outside; And a frame through-hole provided to penetrate the rack frame to provide a space where the mesh frame is positioned when the mesh frame is coupled to the rack frame,
The drawer includes a first axis protruding from the first side toward the second side; and a second axis that protrudes from the second side toward the first side and is located on a straight line passing through the first axis,
The rack frame includes: a first shaft fastening portion provided on a side of the rack frame facing the first side to provide a space for accommodating the first shaft; and a second shaft fastening portion provided on a side of the rack frame facing the second side to provide a space for accommodating the second shaft. According to paragraph 1,
A clothing treatment device, wherein the mesh frame is coupled to the edge of the mesh through insert injection molding, which supplies thermoplastic resin along the edge of the mesh. According to paragraph 2,
The rack frame includes a first frame body forming a lower surface of the rack; a second frame body coupled to the upper part of the first frame body to form an upper surface of the rack; and a receiving portion provided in at least one of the first frame body and the second frame body to provide a space for accommodating the mesh frame.
The frame through hole includes: a first body through hole provided to penetrate the frame first body; and a second body through-hole provided to penetrate the second body of the frame and communicating with the first body through-hole. According to paragraph 3,
The receiving part
a first accommodating part provided on the frame first body to provide a space for accommodating a lower region of the mesh frame; and
A second receiving portion provided on the second body of the frame and providing a space for accommodating the upper region of the mesh frame. According to paragraph 4,
The air supply unit is fixed to the rear surface and located outside the drying chamber, and supplies air into the drying chamber through a supply port provided to penetrate the rear surface. According to clause 5,
a rack support portion that protrudes from the front surface toward the rear surface and supports one end of the rack frame; and
An insulating portion provided on the rack frame and seated on the rack support portion and made of an elastic material. According to clause 6,
an insulating portion insertion groove provided on the bottom of the frame first body to provide a space for receiving the insulating portion;
a fastening hole located inside the insulating portion insertion groove and provided to penetrate the first body of the frame;
a fastening groove protruding from the frame second body toward the fastening hole;
A fastening part that penetrates the fastening hole and engages the fastening groove to couple the first frame body and the second frame body. According to paragraph 1,
A clothing processing device, characterized in that the mesh frame is provided to be withdrawable from the rack frame. According to clause 8,
The rack frame is
A front frame forming the front surface;
A rear frame forming a rear surface;
a first side frame and a second side frame connecting the front frame and the rear frame;
a slit provided to penetrate the front frame and communicate the frame through hole with the outside;
A frame guide provided on at least one of the rear frame, the first side frame, and the second side frame to support the mesh frame. According to clause 9,
A laundry treatment device, characterized in that the length of the front frame in the direction in which the mesh frame is inserted is set to be longer than the length of the front surface of the mesh frame in the direction in which the mesh frame is inserted. According to clause 9,
The frame guide is
a first side guide having a surface of the first side frame with a groove bent concavely in a direction away from the second side frame to provide a space for receiving the first side of the mesh frame; and
A second side guide having a surface of the second side frame provided with a groove bent concavely in a direction away from the first side frame to provide a space for receiving the second side of the mesh frame. Characterized by a clothing processing device. According to clause 11,
The depth of the first side guide facing away from the second side frame is set to be longer than the width of the first side of the mesh frame,
The laundry treatment device, wherein the depth of the second side guide facing away from the first side frame is set to be longer than the width of the second side of the mesh frame. According to clause 9,
The frame guide is a rear guide provided on the rear frame to provide a space into which the rear surface of the mesh frame is inserted. According to clause 13,
The rear guide is
A laundry treatment device, characterized in that it is provided with either a rear frame through-hole provided to penetrate the rear frame or a groove in which the surface of the rear frame is concavely bent toward a direction away from the front frame. According to clause 14,
The length of the rear guide in the direction in which the mesh frame is inserted is set to be longer than the length of the rear surface of the mesh frame in the direction in which the mesh frame is inserted.

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