Insect prevention and expelling equipment for control cubicle of transformer substation

Abstract

The invention discloses a substation control cubicle insect preventing and expelling device which comprises a cubicle body, a ventilation opening is formed in the side face of the cubicle body, an insect expelling mechanism is assembled at the ventilation opening, the insect expelling mechanism comprises a filter frame arranged on the outer surface of the ventilation opening and an insect blocking plate arranged on the inner surface of the ventilation opening, and the insect blocking plate is of a hollow semi-cylindrical structure. Air inlet holes are evenly formed in the side face of the insect blocking plate, a cylindrical insect killing lamp is arranged in the insect blocking plate, supporting legs are arranged at the four corners of the bottom of the cabinet body, cavity parts are arranged in the supporting legs, and the cavity parts are filled with insect repellents. The hollow semi-cylindrical insect blocking plate is arranged in the ventilation opening of the cabinet body, the insect blocking plate plays a barrier role and covers the ventilation opening of the control cabinet, the hollow structure of the insect blocking plate does not affect the ventilation effect and can effectively prevent large insects from directly flying into the control cabinet, and the insect killing lamp is used for trapping and killing the insects; insect-proof drugs are filled in the supporting legs to effectively prevent insects from getting close to the bottom of the control cubicle.

Description

Technical Field

[0001] The invention belongs to the field of electrical equipment, and in particular relates to an anti-insect and anti-pest repellent device for a substation control cabinet. Background Art

[0002] The traditional control cabinet has an open structure due to the presence of heat dissipation holes. Nymphs can enter the cabinet through the heat dissipation holes and may cause damage to the electrical circuits in the cabinet.

[0003] Chinese invention patent CN109787124A discloses an insect-proof device for a distribution cabinet. The upper cover of the transformer distribution cabinet adopts a herringbone design, which is high in the middle and low on both sides, so that rainwater can slide directly down without causing greater corrosion to the box body. The heat dissipation window adopts an outward convex design with an opening facing downward, which can effectively prevent rainwater from flowing back and effectively keep the inside of the box dry. The insect repellent box is equipped with some insect repellent medicinal materials and insect repellent lamps, which can effectively prevent insects from entering.

[0004] In the prior art, insect repellent for power distribution equipment is mostly carried out using insect repellent medicines and insect repellent lamps. However, when insects enter the cabinet through other gaps, this method is particularly likely to cause the insects to die inside the power distribution equipment. The insect corpses are likely to accumulate in the cabinet and cause a short circuit. In addition, the insect corpses are more likely to attract small animals that feed on insects to accidentally enter the cabinet. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In order to solve the problems raised in the above background technology, the present invention adopts the following technical solutions.

[0007] A substation control cabinet insect prevention and repellent device comprises a cabinet body, a vent is provided on the side of the cabinet body, and an insect repellent mechanism is installed at the vent, the insect repellent mechanism comprises a filter frame arranged on the outer surface of the vent and an insect blocking board arranged on the inner surface of the vent, wherein the insect blocking board is a hollow semi-cylindrical structure, air inlet holes are evenly provided on the side of the insect blocking board, a cylindrical insecticidal lamp is arranged in the insect blocking board, a fixed shaft is arranged at the center of the insecticidal lamp, the upper end of the fixed shaft protrudes from the insecticidal lamp, a large gear is fixedly sleeved on the upper end of the fixed shaft, a bearing is arranged on the fixed shaft and above the large gear, the insecticidal lamp is rotatably connected to the inner upper surface of the insect blocking board through the bearing, a small gear is rotatably connected to the inner upper surface of the insect blocking board and located on one side of the large gear, and a rotating shaft is arranged at the center of the small gear, the rotating shaft passes through the cabinet body and a bowl-shaped windmill is installed at the end, supporting feet are arranged at the four corners of the bottom of the cabinet, a cavity is arranged inside the supporting feet, and the cavity is filled with insect repellent.

[0008] Preferably, the insecticidal lamp comprises a plurality of lamp stands, which are evenly distributed along the axial direction of the fixed axis, and the lamp stands are provided with mounting holes equidistantly arranged in a circular pattern, and electric rods are fixedly inserted in the mounting holes. The fixed axis at the center of the insecticidal lamp is a transparent tube, and an insect attracting lamp is installed in the fixed axis. Insects are attracted by the insect attracting lamp and enter the insecticidal lamp, and are electrocuted when they come into contact with the electric rod.

[0009] Preferably, brushes are evenly attached to the sides of the lamp holder, and the ends of the brushes are in contact with the inner surface of the insect barrier. When the bowl-shaped windmill is blown by the wind, the shaft is driven to rotate, and the insecticidal lamp is driven to rotate through the small gear and the large gear. When the insecticidal lamp rotates, the brushes on the side clean the air inlet holes on the insect barrier.

[0010] Preferably, a collection box is placed between the bottom of the insecticidal lamp and the inner bottom surface of the insect blocking board, the front half of the collection box is rectangular and has the same shape as the orthographic projection of the filter frame, and the rear half of the collection box is semicircular and has the same shape as the orthographic projection of the insecticidal lamp.

[0011] Preferably, a shutter is installed on the front surface of the filter frame, and a filter screen is adsorbed on the inner surface of the shutter, and the area of ​​the filter screen is equal to the opening size of the front surface of the filter frame.

[0012] Preferably, the cavity portion of the support leg is cylindrical, and circular holes are equidistantly provided along the side of the cavity portion, the lower end of the support leg is a truncated cone structure, a notch is provided on the side of the cavity portion of the support leg, and a sliding cover is slidably connected to the inner surface of the cavity portion.

[0013] Preferably, the sliding cover area is larger than the opening area of ​​the notch, a sliding groove is provided on the inner surface of the cavity portion of the support leg, the length of the sliding groove is greater than the width of the sliding cover, and a limiting protrusion is integrally provided on the outer surface of the sliding cover, and the limiting protrusion is slidably connected in the sliding groove.

[0014] Preferably, an inner fitting frame is provided on the front surface of the cabinet along the edge of the cabinet opening, a cabinet door is rotatably connected to one side of the cabinet, and an outer fitting frame is provided on the inner surface of the cabinet door. When the cabinet door is closed on the cabinet, the inner side of the outer fitting frame fits with the outer side of the inner fitting frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention sets a hollow semi-cylindrical insect-blocking board in the ventilation opening of the cabinet. The insect-blocking board acts as a barrier and covers the ventilation opening of the control cabinet. Since the hollow structure thereof does not affect the ventilation effect, it can effectively prevent larger insects from directly flying into the control cabinet. The air inlet holes evenly arranged on the insect-blocking board can ensure the normal ventilation demand of the control cabinet and prevent the heat inside the control cabinet from being unable to dissipate due to complete closure. At the same time, the size of the air inlet hole can be reasonably designed according to the size of the insect to be prevented. For example, for smaller flying insects, a relatively small air inlet hole that does not affect the ventilation volume can be set, thereby further improving the insect-proof effect.

[0017] (2) The present invention installs a cylindrical rotatable insecticidal lamp in the insect barrier. The insecticidal lamp is in a relatively closed space of the insect barrier, and is surrounded by ventilation holes. After being blocked by the insect barrier, insects are more easily attracted by the light of the insecticidal lamp, which increases the probability of insects being lured and killed. In addition, the cylindrical design can emit light from multiple directions, which can cover the surrounding space in all directions and improve the efficiency of attracting insects. Insects will show stronger phototaxis to dynamic light. The rotating insecticidal lamp can allow the light to continuously change direction, simulating a dynamic light source effect, which is more attractive to insects and enhances the killing effect. Secondly, the rotation can also expand the effective range of the insecticidal lamp. Some dead corners that may not be illuminated by light can also be covered as the insecticidal lamp rotates.

[0018] (3) Furthermore, the present invention has a brush installed on the side of the insecticidal lamp. The brush can continuously clean the insect barrier during rotation to prevent insect carcasses or other debris from accumulating on the insect barrier, thereby keeping the insect barrier clean and ensuring ventilation. The brush can reduce the frequency of manual cleaning of the insect barrier, thereby reducing maintenance costs and workload.

[0019] (4) The present invention provides a filter frame outside the vent, on which a louver and a filter are installed. There is a certain distance between the blades of the louver, which can physically block larger insects. At the same time, the existence of the louver changes the visual effect and light conditions inside the vent. For insects that rely on vision to find an entry point, the louver makes the light inside the vent less obvious, thereby reducing the possibility of insects being attracted by the light inside the control cabinet and trying to enter. The filter can further block those insects that can pass through the gaps in the louver or are smaller in size.

[0020] (5) The present invention provides hollow and hollowed-out supporting feet at the bottom of the cabinet, and insect repellent is filled in the supporting feet. Since the supporting feet are located at the bottom of the control cabinet and are in a relatively low position, insects crawling on the ground or moving in a lower space will be affected by the smell of the insect repellent and stay away. Moreover, the supporting feet adopt a hollow structure, and the smell of the insect repellent can be emitted through the circular holes, forming an insect repellent range around the bottom of the control cabinet, effectively preventing insects from approaching the bottom of the control cabinet and climbing up along the supporting feet to enter the control cabinet. The structure of filling the cavity with insect repellent can make the insect repellent release its smell relatively slowly. Compared with directly placing the insect repellent around the control cabinet, the cavity in the supporting feet can protect the insect repellent from being affected too quickly by the external environment to a certain extent, thereby achieving a relatively continuous insect repellent effect and reducing the probability of insects appearing in the control cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The invention is a three-dimensional assembly of the control cabinet and its insect repellent mechanism Figure 1 .

[0022] Figure 2 The invention is a three-dimensional assembly of the control cabinet and its insect repellent mechanism Figure 2 .

[0023] Figure 3 It is a stereoscopic diagram of the assembly of the insect-proof and insect-repellent mechanism of the present invention.

[0024] Figure 4 It is an exploded view of the insect-proof and insect-repellent mechanism of the present invention.

[0025] Figure 5 for Figure 4 A partial enlarged view of the insecticidal lamp at point A in the middle.

[0026] Figure 6 This is a structural diagram of the support legs in the present invention.

[0027] Figure 7 This is a disassembled view of the supporting legs in the present invention.

[0028] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0029] 100, cabinet body; 101, inner fitting frame; 102, supporting feet; 1021, sliding cover; 1022, limiting protrusion; 103, cabinet door; 1031, outer fitting frame;

[0030] 200, insect repellent mechanism; 201, filter frame; 2011, filter screen; 2012, shutter; 202, insect barrier; 2022, small gear; 2021, rotating shaft; 2023, bowl-shaped windmill; 203, insecticidal lamp; 2031, lamp stand; 2032, electric rod; 2033, brush; 2034, large gear. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0034] See also Figure 1 and Figure 2 The structure diagram of the insect repellent device of the substation control cabinet in this embodiment is shown. The control cabinet in this embodiment includes a cabinet 100, and a vent is provided on the side of the cabinet 100. Further, the insect repellent device in this embodiment includes an insect repellent mechanism 200, which is arranged at the vent. Insects entering the cabinet 100 through the vent will be intercepted or killed by the insect repellent mechanism 200.

[0035] See also Figure 3 and Figure 4 The insect repellent mechanism 200 in this embodiment includes a filter frame 201 arranged on the outer surface of the vent, a shutter 2012 is installed on the front surface of the filter frame 201, and a filter 2011 is adsorbed on the inner surface of the shutter 2012, and the area of ​​the filter 2011 is equal to the opening size of the front surface of the filter frame 201. In this embodiment, the shutter 2012 and the filter 2011 are installed on the filter frame 201, and there is a certain distance between the blades of the shutter 2012, which can play a physical blocking role for larger insects. At the same time, the existence of the shutter 2012 changes the visual effect and light conditions inside the vent. For insects that rely on vision to find an entry point, the shutter 2012 makes the light inside the vent less obvious, thereby reducing the possibility that the insects are attracted by the light inside the cabinet 100 and try to enter. The filter 2011 can further block those insects that can pass through the gap of the shutter 2012 or are smaller in size.

[0036] Continue reading Figure 3 and Figure 4The insect repellent mechanism 200 in this embodiment also includes an insect blocking plate 202 arranged on the inner surface of the vent, wherein the insect blocking plate 202 is a hollow semi-cylindrical structure, and air inlet holes are evenly opened on the side of the insect blocking plate 202. In this embodiment, the insect blocking plate 202 acts as a barrier and covers the vent of the cabinet 100. Since the hollow structure does not affect the ventilation effect, it can effectively prevent larger insects from flying directly into the cabinet 100. The air inlet holes are evenly opened on the insect blocking plate 202, which not only ensures the normal ventilation demand of the cabinet 100, but also does not cause the heat inside the cabinet 100 to be unable to dissipate due to complete closure. The insect blocking plate 202 is provided with a cylindrical structure. The insecticidal lamp 203 has a fixed axis at the center thereof. The insecticidal lamp 203 includes a plurality of lamp stands 2031, which are evenly spaced along the axial direction of the fixed axis. The lamp stands 2031 are provided with mounting holes at equal intervals in a circular pattern. Electric rods 2032 are fixedly inserted in the mounting holes. The fixed axis at the center of the insecticidal lamp 203 is a transparent tube, and an insect attracting lamp is installed in the fixed axis. Insects are attracted by the insect attracting lamp and enter the insecticidal lamp 203. After contacting the electric rod 2032, they are electrocuted. The insecticidal lamp 203 in this embodiment is in a relatively closed space of the insect blocking board 202, and is surrounded by ventilation holes. Insects are blocked by the insect blocking board 202. After the insects are trapped, they are more easily attracted by the light of the insecticidal lamp 203, which increases the probability of insects being lured and killed, and the cylindrical design can emit light from multiple directions, which can cover the surrounding space in an all-round way and improve the efficiency of luring insects; further, in this embodiment, the upper end of the fixed shaft protrudes from the insecticidal lamp 203, and the upper end of the fixed shaft is fixedly sleeved with a large gear 2034, and a bearing is provided on the fixed shaft and above the large gear 2034, and the insecticidal lamp 203 is rotatably connected to the inner upper surface of the insect blocking plate 202 through the bearing, and the inner upper surface of the insect blocking plate 202 and one side of the large gear 2034 is rotatably connected with a small gear 2022, and the small gear 2022 A rotating shaft 2021 is provided at the center of the circle, the rotating shaft 2021 passes through the cabinet 100 and a bowl-shaped windmill 2023 is installed at the end. In this embodiment, the bowl-shaped windmill 2023 drives the rotating shaft 2021 to rotate after being blown by the wind, and drives the insecticidal lamp 203 to rotate through the small gear 2022 and the large gear 2034. The rotating insecticidal lamp 203 can allow the light to change direction continuously, simulating a dynamic light source effect, which is more attractive to insects and thus enhances the killing effect. Secondly, the rotation can also expand the effective range of the insecticidal lamp 203. Some dead corners that may not be illuminated by light can also be covered as the insecticidal lamp rotates;Furthermore, in this embodiment, brushes 2033 are evenly attached to the side of the lamp holder 2031, and the end of the brush 2033 contacts the inner surface of the insect-blocking board 202. When the insect-killing lamp 203 rotates, the brush 2033 on the side cleans the air inlet holes on the insect-blocking board 202, preventing insect carcasses or other debris from accumulating on the insect-blocking board 202, keeping the insect-blocking board 202 clean and ensuring ventilation. The brush 2033 can reduce the frequency of manual cleaning of the insect-blocking board 202, thereby reducing maintenance costs and workload.

[0037] It is worth noting that, in actual use, since the control cabinet is set in the room of the substation, the actual length of the shaft 2021 should pass through the room of the substation, so that the bowl-shaped windmill 2023 is placed in the natural environment and can be rotated by the wind.

[0038] See also Figure 4 In this embodiment, a collection box 204 is placed between the bottom of the insecticidal lamp 203 and the inner bottom surface of the insect blocking board 202. The front half of the collection box 204 is rectangular and has the same shape as the orthographic projection of the filter frame 201. The rear half of the collection box 204 is semicircular and has the same shape as the orthographic projection of the insecticidal lamp 203. The collection box 204 is used to collect insects killed by the insecticidal lamp 203, which is convenient for centralized processing later. The shutter 2012 can be removed to directly take the collection box 204.

[0039] See also Figure 1 , Figure 6 as well as Figure 7 In this embodiment, legs 102 are provided at the four corners of the bottom of the cabinet 100. A cavity is provided inside the legs 102, and the cavity is filled with insect repellent. In this embodiment, the legs 102 are filled with insect repellent. Since the legs 102 are located at the bottom of the cabinet 100 and are in a relatively low position, insects may be affected by the smell of the insect repellent when crawling on the ground or moving in a lower space and stay away. The cavity of the legs 102 is cylindrical, and circular holes are equidistantly provided along the side of the cavity. The smell of the insect repellent can be emitted through the circular holes, forming an insect repellent range around the bottom of the cabinet 100, effectively preventing insects from approaching the bottom of the cabinet 100 and climbing up along the legs to enter the cabinet 100. The lower end of the legs 102 is a truncated cone structure, which reduces the sealing contact area between the bottom of the cabinet 100 and the ground. When moisture rises on the ground, the truncated cone structure can reduce the amount of water vapor directly conducted to the bottom of the cabinet 100 through the legs 102.

[0040] Furthermore, a notch is provided on the side of the cavity portion of the support leg 102, and a sliding cover 1021 is slidably connected to the inner surface of the cavity portion, the area of ​​the sliding cover 1021 is larger than the area of ​​the notch, a sliding groove is provided on the inner surface of the cavity portion of the support leg 102, the length of the sliding groove is larger than the width of the sliding cover 1021, and a limiting protrusion 1022 is integrally provided on the outer surface of the sliding cover 1021, and the limiting protrusion 1022 is slidably connected in the sliding groove. In this embodiment, the notch can be closed or opened by moving the sliding cover 1021, so as to facilitate the addition of medicinal materials to the cavity portion, and the sliding cover 1021 plays a protective role to prevent the medicinal materials from falling, and the sliding cover 1021 is constrained and its moving distance is limited by the limiting protrusion 1022 and the sliding groove.

[0041] See also Figure 1 and Figure 2 In this embodiment, an inner fitting frame 101 is provided on the front surface of the cabinet 100 along the edge of the cabinet opening, and a cabinet door 103 is rotatably connected to one side of the cabinet 100. The inner surface of the cabinet door 103 is provided with an outer fitting frame 1031. In this embodiment, when the cabinet door 103 is closed on the cabinet 100, the inner side of the outer fitting frame 1031 fits with the outer side of the inner fitting frame 101, thereby preventing insects from entering the cabinet 100 through the gap between the cabinet door 103 and the cabinet 100.

[0042] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the scope of protection determined by the claims submitted for the present invention.

Claims

1. An insect repellent device for a substation control cabinet, comprising a cabinet body (100), a vent opening is provided on a side of the cabinet body (100), and an insect repellent mechanism (200) is installed at the vent opening, Features: The insect repellent mechanism (200) comprises a filter frame (201) arranged on the outer surface of the vent and an insect blocking plate (202) arranged on the inner surface of the vent, wherein the insect blocking plate (202) is a hollow semi-cylindrical structure, and air inlet holes are evenly opened on the side of the insect blocking plate (202). A cylindrical insecticidal lamp (203) is arranged in the insect blocking plate (202), and a fixed shaft is arranged at the center of the insecticidal lamp (203), and the upper end of the fixed shaft protrudes from the insecticidal lamp (203). A large gear (2034) is fixedly sleeved on the upper end of the fixed shaft, and a large gear (2034) is located on the fixed shaft and on the large gear (2034). ) is provided above the cabinet (100), the insecticidal lamp (203) is rotatably connected to the inner upper surface of the insect blocking board (202) through the bearing, a small gear (2022) is rotatably connected to the inner upper surface of the insect blocking board (202) and located on one side of the large gear (2034), and a rotating shaft (2021) is provided at the center of the small gear (2022), the rotating shaft (2021) passes through the cabinet (100) and a bowl-shaped windmill (2023) is installed at the end, and the cabinet (100) is provided with supporting feet (102) at the four corners of the bottom, and a cavity is provided inside the supporting feet (102), and the cavity is filled with anthelmintic.

2. The insect-proof and insect-repellent device for substation control cabinet according to claim 1 is characterized in that: The insecticidal lamp (203) comprises a plurality of lamp stands (2031), the lamp stands (2031) are equidistantly distributed along the axial direction of the fixed axis, the lamp stands (2031) are provided with mounting holes equidistantly arranged in a circular pattern, electric rods (2032) are fixedly inserted into the mounting holes, the fixed axis at the center of the insecticidal lamp (203) is a transparent tube, and an insect attracting lamp is installed in the fixed axis, the insects are attracted by the insect attracting lamp and enter the insecticidal lamp (203), and are electrocuted after contacting the electric rod (2032).

3. The insect-proof and insect-repellent device for substation control cabinet according to claim 2 is characterized in that: The side of the lamp holder (2031) is evenly attached with a brush (2033), and the end of the brush (2033) contacts the inner surface of the insect-blocking plate (202). When the bowl-shaped windmill (2023) is blown by the wind, it drives the rotating shaft (221) to rotate, and drives the insect-killing lamp (203) to rotate through the small gear (2022) and the large gear (2034). When the insect-killing lamp (203) rotates, the brush (2033) on the side cleans the air inlet hole on the insect-blocking plate (202).

4. The insect-proof and insect-repellent device for substation control cabinet according to claim 2 is characterized in that: A collecting box (204) is placed between the bottom of the insecticidal lamp (203) and the inner bottom surface of the insect blocking plate (202); the front half of the collecting box (204) is rectangular and has the same shape as the orthographic projection of the filter frame (201); and the rear half of the collecting box (204) is semicircular and has the same shape as the orthographic projection of the insecticidal lamp (203).

5. The insect-proof and insect-repellent device for substation control cabinet according to claim 1 is characterized in that: A shutter (2012) is installed on the front surface of the filter frame (201), and a filter screen (2011) is adsorbed on the inner surface of the shutter (2012), and the area of ​​the filter screen (2011) is equal to the size of the opening on the front surface of the filter frame (201).

6. The insect-proof and insect-repellent device for substation control cabinet according to claim 1 is characterized in that: The cavity portion of the support leg (102) is cylindrical, and circular holes are equidistantly provided along the side of the cavity portion. The lower end of the support leg (102) is a truncated cone structure. A notch is provided on the side of the cavity portion of the support leg (102), and a sliding cover (1021) is slidably connected to the inner surface of the cavity portion.

7. The insect-proof and insect-repellent device for substation control cabinet according to claim 6 is characterized in that: The area of ​​the sliding cover (1021) is larger than the area of ​​the notch; a sliding groove is provided on the inner surface of the cavity of the support leg (102); the length of the sliding groove is larger than the width of the sliding cover (1021); and a limiting protrusion (1022) is integrally provided on the outer surface of the sliding cover (1021); the limiting protrusion (1022) is slidably connected in the sliding groove.

8. The insect-proof and insect-repellent device for substation control cabinet according to claim 1 is characterized in that: The front surface of the cabinet body (100) is provided with an inner fitting frame (101) along the edge of the cabinet opening; a cabinet door (103) is rotatably connected to one side of the cabinet body (100); an outer fitting frame (1031) is provided on the inner surface of the cabinet door (103); when the cabinet door (103) is closed on the cabinet body (100), the inner side of the outer fitting frame (1031) is in contact with the outer side of the inner fitting frame (101).

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