Drawing type washing equipment

Abstract

The utility model discloses a pull-out type washing device which comprises a shell, a pull-out type washing device and a washing device body. The rear plate comprises a rear back plate and a rear connecting plate located on the lower side of the rear back plate. The rear connecting plate is provided with a plate body and a concave mounting groove formed in the inner side of the plate body, and a waterway connecting piece is arranged in the mounting groove; the shell is provided with a stretching-in opening for an outer water pipe to stretch in, the outer water pipe is a water supply pipe and / or a water drainage pipe, and the stretching-in end of the outer water pipe is connected with an outer end opening of the water way connecting piece. The concave mounting groove is formed in the rear connecting plate, the waterway connecting piece is arranged on the mounting groove, the original protruding part of the waterway connecting piece can be contained in the concave space of the mounting groove, the size of the equipment in the depth direction can be reduced, and the whole equipment is more compact in the depth direction; and the device is more suitable for being placed in a home environment with limited space. The outer water pipe extends into the shell, so that the outer water pipe does not occupy the space in the front-back direction.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of washing equipment, specifically relates to a drawer type washing equipment. BACKGROUND

[0002] In modern life, with the improvement of people's life quality, the demand for shoe washing is increasing, and personalized laundry needs such as baby clothes washing and underwear washing are also emerging. This makes most families face the situation of needing to purchase additional laundry / shoe washing equipment. However, the indoor space area is limited, and the traditional large laundry / shoe washing machine often occupies too much space. Under this background, the drawer type laundry / shoe washing machine emerges as the times require due to its space saving advantage.

[0003] Taking the drawer type washing machine disclosed in patent CN202321322785.5 as an example, the device is mainly composed of a washing component and a shell. The washing component is provided with a pulley at the bottom for easy access, and the component is equipped with a water inlet pipe, a water outlet pipe, and a first pipe clamp for fixing the two. The rear connecting plate of the shell plays a key connecting role and is provided with a water inlet valve, a drainage connector, and a power line bundle. By connecting the water inlet pipe with the water inlet valve and the water outlet pipe with the drainage connector, and connecting the power line bundle to the external power supply through the rear connecting plate, the normal operation of the washing machine is realized.

[0004] However, the above-mentioned patent design has certain limitations. The water inlet valve, the drainage connector, and the power line bundle fixed on the rear connecting plate all protrude backward from the rear connecting plate, which undoubtedly increases the size of the device in the depth direction. More importantly, on the outside of the rear connecting plate, a water inlet pipeline connected to the external water source and the water inlet valve, and a drainage pipeline connected to the drainage connector also need to be installed. These water inlet pipeline and drainage pipeline are also located on the outside of the rear connecting plate, further occupying the space size of the entire device in the front-rear direction. For families with limited space, this may limit the installation location of the device and make it difficult to place it in the ideal area, such as the corner of the bathroom, under the kitchen cabinet, etc., affecting the user's experience and the popularization and promotion of the device. At the same time, the large space occupation also deviates from the original design intention of the drawer type washing / shoe washing machine, which is to save space. In the face of increasingly fierce market competition, how to optimize the design and reduce the space occupation of the device in the depth direction and the front-rear direction has become a key problem to be solved, which not only relates to the practicality of the product, but also affects its market competitiveness and future development prospects.

[0005] The above information disclosed in the background art is only used to increase the understanding of the background art of the present application, and therefore, it can include prior art that is not known to those skilled in the art. SUMMARY

[0006] The utility model discloses to the above -mentioned problem in prior art, propose a kind of pull type washing equipment, it is favorable to the depth direction size reduction of washing equipment, and increase protection.

[0007] To realize the utility model purpose, the utility model adopts the following technical solutions to realize:

[0008] A kind of pull type washing equipment, comprising:

[0009] Shell, it has rear plate;

[0010] The rear plate includes rear backplate and rear connecting plate located at the lower side of the rear backplate;

[0011] The rear connecting plate has a plate body, an inner recessed mounting groove provided on the inner side of the plate body, and a waterway connector provided on the mounting groove;

[0012] A penetration opening for the penetration of an external water pipe is formed on the shell, the external water pipe is a water supply pipe and / or a drain pipe, and the penetration end of the external water pipe is connected to the outer port of the waterway connector.

[0013] In some embodiments of the present application, an inner recessed portion is provided on the rear connecting plate for the external water pipe to pass through and connect between the inner space of the shell and the inner recessed space of the mounting groove.

[0014] In some embodiments of the present application, the lower part of the rear backplate is lap-jointed and fixed on the outer side of the rear connecting plate, an outer protruding portion is provided on the rear backplate, and the outer protruding portion is located on the outer side of the inner recessed portion;The outer protruding portion and the inner recessed portion form an avoiding opening for the external water pipe to pass through.

[0015] In some embodiments of the present application, a mounting opening is formed on the plate body, and the mounting groove is mounted on the inner side of the mounting opening;A matching slot is provided on the mounting groove for avoiding the inner recessed portion.

[0016] In some embodiments of the present application, an extension along extending inwardly is provided on the mounting opening, and the extension along is located in the mounting groove.

[0017] In some embodiments of the present application, the outer port of the waterway connector is located in the mounting groove.

[0018] In some embodiments of the present application, a clamping clamp is provided on the inner side of the rear backplate for clamping and fixing the external water pipe, and an outlet opening is formed on the top of the shell for the external water pipe to extend out.

[0019] In some embodiments of the present application, the waterway connector has a water inlet valve, an assembly hole is formed on the mounting groove for the water inlet valve to pass through, and the external water pipe has a water supply pipe connected to the outer port of the water inlet valve.

[0020] In some embodiments of the present application, the first groove bottom plate and the second groove bottom plate are arranged in parallel in the mounting groove, the distance between the first groove bottom plate and the plate body is smaller than the distance between the second groove bottom plate and the plate body, and the assembly hole is arranged on the first groove bottom plate.

[0021] In some embodiments of the present application, the waterway connector has a drain connector, the outer port of the drain connector is located in the mounting groove, and the outer water pipe has a drain pipe connected with the outer port of the drain connector.

[0022] In some embodiments of the present application, the drain connector is integrally formed on the mounting groove, the drain connector has a horizontal connector pipe arranged in front of and behind the mounting groove and a vertical connector pipe connected with the rear side of the horizontal connector pipe, and the horizontal connector pipe is connected with the groove bottom of the mounting groove.

[0023] In some embodiments of the present application, the plate body is provided with a recessed accommodation groove for mounting a power supply line, and a via hole for the power supply line to pass through is arranged on the groove bottom of the accommodation groove.

[0024] In some embodiments of the present application, the groove walls of the accommodation groove are close to each other in the rear direction.

[0025] Compared with the prior art, the utility model has the advantages and positive effects that: the recessed mounting groove is arranged on the rear connecting plate, the waterway connector is arranged on the mounting groove, the originally protruding part of the waterway connector can be accommodated in the recessed space of the mounting groove, which is beneficial to reduce the size of the equipment in the depth direction, so that the whole equipment is more compact in the depth direction, and is more suitable for placing in the limited space of the home environment. The outer water pipe extends into the shell, so that the outer water pipe does not occupy the space in the front-rear direction. The recessed mounting groove and the outer water pipe extending into the shell can better protect the pipeline and the waterway connector, reduce the risk of damage caused by external force collision and friction, and improve the safety and stability of the equipment in use.

[0026] Other characteristics and advantages of the utility model will become more apparent after reading the specific implementation manner of the utility model in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0028] Figure 1Structure schematic view of one embodiment of the pull-out type washing equipment provided by the utility model;

[0029] Figure 2 For Figure 1 Structure schematic view at middle back plate;

[0030] Figure 3 For Figure 2 Structure schematic view of another direction;

[0031] Figure 4 For Figure 3 Transverse section structure schematic view at middle concave part;

[0032] Figure 5 For Figure 3 Vertical section structure schematic view at middle concave part;

[0033] Figure 6 For Figure 2 Enlarged structure schematic view of plate body of back connecting plate;

[0034] Figure 7 For Figure 6 Structure schematic view of another direction;

[0035] Figure 8 For Figure 2 Enlarged structure schematic view of installation groove;

[0036] Figure 9 For Figure 8 Structure schematic view of another direction;

[0037] Among them, the pull-out type washing equipment 100;

[0038] Housing 10;Stretches into 101;Back plate 1;Outer convex part 11;Clamping clamp 12;Back connecting plate 2;Plate body 21;Installation port 211;Extension along 212;Accommodate groove 213;Concave part 214;Installation groove 22;Matching slot 221;Assembly hole 222;First groove bottom plate 223;Second groove bottom plate 224;

[0039] Inner box 20;

[0040] Inner pipeline 30;

[0041] Waterway connecting piece 40;Water inlet valve 41;Drainage connector 42;Horizontal connector pipe 421;Vertical connector pipe 422;

[0042] Outer water pipe 50;Outer water inlet pipe 51;Outer drainage pipe 52;

[0043] Power line 60. Specific implementation

[0044] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application.

[0045] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the position relationships shown in the drawings, and the direction close to the center of the shell is "inner", and vice versa is "outer". The terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0046] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In the present application, unless otherwise specifically defined and limited, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0048] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the specific examples will not be exhaustive of the disclosure. Indeed, the present application can be practiced in a variety of ways. Accordingly, other embodiments and examples of the present application will be suggested to those skilled in the art by this disclosure. Further, this disclosure provides examples of various processes and materials that can be used with the present application, but other processes and / or materials can be used as well. Those skilled in the art will recognize, or be able to ascertain using no more than routine experimentation, many equivalents to the specific embodiments described herein. Such equivalents are considered to be within the scope of this application. In addition, it will be appreciated that those skilled in the art will be able to devise various adaptations and modifications of the present application without departing from the application described here. Accordingly, the phrase "application" should be understood to encompass all such adaptations and modifications, and is intended to cover any and all adaptations of the present application.

[0049] Aspects and features described and illustrated herein can be applied singly or in any combination to the embodiments of the application described herein.

[0050] Referring to Figures 1-9 For one embodiment of the pull-out washing apparatus proposed by the present application, a pull-out washing apparatus 100 comprises a housing 10 and an inner cabinet 20, the inner cabinet is pull-outly located in the housing 10, an inner pipeline 30 is arranged between the rear of the inner cabinet 20 and the housing 10, for realizing water supply to the inner cabinet and drainage. The inner pipeline 30 is an inner water inlet pipe and an inner water outlet pipe. The pull-out washing apparatus 100 can be a washing machine, a dish washer, or a shoe washing machine, etc.

[0051] The housing 10 has a front plate, left and right side plates, and a rear plate, the rear plate comprises a rear back plate 1 and a rear connecting plate 2 located at the lower side of the rear back plate 1, the rear connecting plate 2 has a plate body 21 and an inner recessed mounting groove 22 arranged at the inner side of the plate body 21, a waterway connecting piece 40 is arranged in the mounting groove 22. The waterway connecting piece 40 extends inwardly through the mounting groove 22, realizes the connection between the inner port of the waterway connecting piece 40 and the inner pipeline 30, and realizes the connection between the outer port of the waterway connecting piece 40 and the outer water pipe 50. The outer water pipe 50 is a water supply pipe and / or a water outlet pipe, the water supply pipe is used for supplying external water flow to the inner pipeline 30, and the water outlet pipe is used for draining the washing water in the inner cabinet 20 through the inner pipeline 30. A stretching inlet 101 is arranged on the housing 10 for the stretching of the outer water pipe 50, the outer water pipe 50 is a water supply pipe 51 and / or a water outlet pipe 52. The stretching end of the outer water pipe 50 is connected with the outer port of the waterway connecting piece 40, and the outer water pipe 50 is stretched into the housing 10 and located at the inner side of the rear back plate 2. The inner recessed mounting groove 22 is arranged on the rear connecting plate 2, the waterway connecting piece 40 is mounted on the groove wall of the mounting groove 22, and the originally protruding parts of the waterway connecting piece 40 can be stored in the inner recessed space of the mounting groove 22, which is beneficial to reduce the size of the equipment in the depth direction, makes the whole equipment more compact in the depth direction, and is more suitable for placing in the limited space of the home environment.

[0052] The rear back plate 1 is provided with an inner recess 214 for the outer water pipe 50 to pass through, and the inner recess 214 is connected between the inner space of the shell and the inner recess space of the mounting groove 22, so that the outer water pipe 50 extends into one end of the shell 10 and then extends into the mounting groove 22, and is connected with the outer port of the waterway connector 40. The outer water pipe 50 is arranged on the inner side of the rear back plate 1, which reduces the space occupied by the traditional design of the outer side water inlet pipeline and the drain pipeline, so that the device occupies less space in the front-rear direction. Through the inner recess 214 connected between the inner space of the shell and the mounting groove 22, the connection of the outer water pipe 50 and the outer port of the waterway connector 40 is realized. The inner recess mounting groove 22 and the outer water pipe 50 arranged on the inner side of the rear back plate 1 can better protect the pipeline and the waterway connector, reduce the risk of damage caused by external force collision and friction, and improve the safety and stability of the device.

[0053] In some embodiments of the present application, the lower part of the rear back plate 1 is lap-jointed and fixed on the outer side of the rear connecting plate 2, and the lap-jointing mode enhances the stability of the overall structure of the device. The rear back plate 1 is provided with an outer protrusion 11 located on the outer side of the inner recess 214, and the outer protrusion 11 and the inner recess 214 form an avoiding opening for the outer water pipe 50 to pass through, which can ensure the smooth passing of the outer water pipe and increase the structural strength. The outer water pipe 50 is ingeniously accommodated in the avoiding opening, which avoids occupying additional external space, and makes the device realize more efficient layout in limited space.

[0054] In some embodiments of the present application, the mounting groove 22 is arranged on the inner side of the mounting opening 211. The mounting groove 22 is arranged separately from the plate body 21, the plate body 21 is made of sheet metal, and the mounting groove 22 is made of injection molding, which is beneficial to reduce the cost of the mounting groove 22 and can integrally form part of the components on the mounting groove, so that the structure is compact. The mounting groove 22 is provided with a matching groove 221 for avoiding the inner recess 214, and the matching groove 221 has the same shape as the inner recess 214 and is arranged adjacent to the inner and outer sides, which optimizes the connection stability of the internal structure of the device.

[0055] In some embodiments of the present application, the mounting opening 211 is provided with an extension edge 212 extending inwardly, and the extension edge 212 is located in the mounting groove 22. This is beneficial to increase the connection contact area of the mounting groove 22 and the plate body 21, and make the mounting groove 22 and the plate body 21 form a more compact whole in structure. During the installation process, the extension edge 212 provides precise positioning assistance for the installation of the mounting groove 22. The installer only needs to align the mounting groove 22 with the mounting opening 211, so that the extension edge 212 matches the edge of the mounting groove 22, and the preliminary positioning can be quickly completed.

[0056] In some embodiments of the present application, the outer port of the waterway connector 40 is located in the mounting groove 22, and the waterway connector 40 does not protrude backward from the plate body 21, avoiding the protruding part of the waterway connector 40 from occupying the depth dimension of the equipment, reducing the size of the equipment in the front-back direction, and making it unnecessary to reserve excessive space for the external pipeline and the waterway connector during installation.

[0057] In some embodiments of the present application, a clamping clamp 12 for clamping and fixing the outer water pipe 50 is arranged on the inner side of the back plate 1, and the clamping clamp 12 can firmly clamp and fix the outer water pipe 50, effectively preventing the outer water pipe 50 from being displaced due to factors such as vibration and water flow impact during operation of the equipment. An extension opening for the outer water pipe 50 to extend out is arranged on the top of the shell 10. The outer water pipe 50 extends into the shell 10 through the extension opening on the top, and the outer water pipe 50 is connected to an external water source or a drain.

[0058] In some embodiments of the present application, the waterway connector 40 has a water inlet valve 41, and the mounting groove 22 is provided with an assembly hole 222 for the water inlet valve 41 to pass through. The outer water pipe 50 has a water supply pipe 51 connected to the outer port of the water inlet valve 41. The assembly hole 222 provided by the mounting groove 22 provides accurate installation positioning for the water inlet valve 41. The assembly hole 222 is arranged on the groove bottom of the mounting groove 22, and the axis of the assembly hole 222 is arranged horizontally in the front-back direction, and the front part of the water inlet valve 41 passes through the assembly hole 222 forward. During equipment assembly, the installer only needs to align the water inlet valve 41 with the assembly hole 222, and the preliminary installation can be quickly completed without complicated measurement and calibration work. The water supply pipe 51 is directly connected to the outer port of the water inlet valve 41, and the inner port of the water inlet valve 41 is connected to an inner water inlet pipe connected between the shell 10 and the inner tank body 20.

[0059] In some embodiments of the present application, the first groove bottom plate 223 and the second groove bottom plate 224 are arranged in parallel in the installation groove 22, the distance between the first groove bottom plate 223 and the plate body 21 is smaller than the distance between the second groove bottom plate 224 and the plate body 21, and the assembly hole 222 is arranged on the first groove bottom plate 223, thereby providing a precise depth for the installation of the water inlet valve 41, ensuring that the water inlet valve is properly inserted after installation and fixing, and ensuring that there is no space conflict between the water inlet valve and other components inside the equipment. Neither unstable connection due to insufficient insertion, nor affecting the layout of other components inside the equipment due to excessive insertion, precise control of the installation depth of the water inlet valve is achieved. The water inlet valve 41 has a large size after penetrating the assembly hole 222 and extending inward, so the first groove bottom plate 223 is arranged to be translated backward relative to the second groove bottom plate 224, so that the water inlet valve 41 has a proper insertion size after installation and fixing, and the outer part of the water inlet valve 41 needs to be located in the installation groove 22. The double-groove bottom plate design provides a more stable support structure for the water inlet valve 41, and the first groove bottom plate 411 plays a major role in bearing the installation and fixing of the water inlet valve 41, while the second groove bottom plate 412 serves as auxiliary support, enhancing the stability of the entire installation structure.

[0060] In some embodiments of the present application, the waterway connector 40 also has a drain connector 42, and the outer port of the drain connector 42 is located in the installation groove 22; the outer water pipe 50 has a drain pipe 52 connected to the outer port of the drain connector 42. The water inlet valve 41 and the drain connector 42 are arranged in the installation groove 22, so that the components are arranged compactly. The drain pipe 52 is arranged on the inner side of the back plate 1, and the lower end of the drain pipe 52 penetrates the inner recess 214, extends into the installation groove 22, and is connected to the outer port of the drain connector 42.

[0061] In some embodiments of the present application, the drain connector 42 is integrally formed on the installation groove 22, the drain connector 42 has a horizontal connector pipe 421 arranged in front of and behind a vertical connector pipe 422 connected to the rear side of the horizontal connector pipe 421, and the horizontal connector pipe 421 is connected to the groove bottom of the installation groove 22; the horizontal connector pipe 421 is connected to the second groove bottom plate 224. The drain connector 42 is integrally formed on the installation groove 22, eliminating the connection gap between the assembled drain connector and the installation groove 22. The horizontal connector pipe 421 is connected to the groove bottom of the installation groove 22 and arranged in front of and behind the vertical connector pipe 422, which is conducive to enhancing the overall strength of the drain connector 42. While the horizontal connector pipe 421 bears the lateral pressure of the water flow, the vertical connector pipe 422 can effectively disperse the downward impact force of the water flow, and the two cooperate with each other to ensure that the drain connector 42 remains stable when facing complex water flow conditions.

[0062] In some embodiments of the present application, the plate body 21 is provided with a recessed accommodating groove 213 for mounting the power cord, and a through hole is formed in the groove bottom of the accommodating groove 213 for the power cord 60 to pass through. The groove walls of the accommodating groove 213 are close to each other in the rear direction. The recessed accommodating groove 213 provided on the plate body 21 is specially used for mounting the power cord 60, which avoids the outward protrusion of the clamping mounting block on the power cord 60, and occupies the size in the front-rear direction of the device.

[0063] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those of ordinary skill in the art, or some of the technical features can be replaced by equivalents. The modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the present application.

Claims

1. A drawer-type washing apparatus, characterized by, include: The outer casing has a rear panel; The rear panel includes a rear back panel and a rear connecting plate located below the rear back panel; The rear connecting plate has a plate body and a recessed mounting groove provided inside the plate body, and a water channel connector is provided in the mounting groove. An inlet is provided on the outer casing for an external water pipe to extend into, the external water pipe being a water supply pipe and / or a drain pipe, and the inlet end of the external water pipe is connected to the outer port of the water circuit connector.

2. The drawer-type washing apparatus according to claim 1, characterized by The rear connecting plate has a recessed portion for the external water pipe to pass through and connects the recessed space between the inner space of the outer casing and the mounting groove.

3. The drawer-type washing apparatus according to claim 2, characterized by The lower part of the back panel is overlapped and fixed to the outside of the rear connecting plate. The back panel has an outward protrusion, which is located outside the inward concave part. The outward protrusion and the inward concave part form a clearance opening for the external water pipe to pass through.

4. The drawer-type washing apparatus according to claim 2, characterized by An installation opening is provided on the plate, and the installation groove is installed inside the installation opening; the installation groove is provided with a mating groove for avoiding the recessed part.

5. The drawer-type washing apparatus according to claim 4, characterized by The mounting port has an inwardly extending edge, which is located within the mounting groove; the outer port of the water connector is located within the mounting groove.

6. The drawer-type washing apparatus according to claim 1, wherein A locking clip for engaging and securing the external water pipe is provided on the inner side of the back panel, and an extension opening for the external water pipe to extend is provided on the top of the outer casing.

7. The drawer-type washing apparatus according to any one of claims 1 to 6, characterized by The water connector has an inlet valve, and the mounting groove has an assembly hole for the inlet valve to pass through. The external water pipe has a water supply pipe connected to the external port of the inlet valve.

8. The drawer-type washing apparatus according to claim 7, characterized by The mounting groove is provided with a first groove bottom plate and a second groove bottom plate arranged in parallel. The distance between the first groove bottom plate and the plate body is less than the distance between the second groove bottom plate and the plate body. The assembly hole is opened on the first groove bottom plate.

9. The drawer-type washing apparatus according to any one of claims 1 to 6, characterized by The water connector has a drain joint, the outer port of which is located in the mounting groove; the external water pipe has a drain pipe connected to the outer port of the drain joint.

10. The drawer-type washing apparatus according to any one of claims 1 to 6, characterized by The plate has a recessed groove for installing a power cord, and a through hole for the power cord to pass through is provided at the bottom of the groove.

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