CN113144237B

CN113144237B - Disinfection cabinet

Info

Publication number: CN113144237B
Application number: CN202110477746.1A
Authority: CN
Inventors: 王强; 陈建强
Original assignee: Hangzhou Ruoqi Technology Co ltd
Current assignee: Hangzhou Ruoqi Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2024-01-12
Anticipated expiration: 2041-04-30
Also published as: CN113144237A

Abstract

The invention relates to the field of electric appliances, in particular to a disinfection cabinet. The door plate is connected with the main body through a connecting structure, the connecting structure comprises a swing rod and a connecting rod, two ends of the swing rod are respectively connected with the door plate and the main body in a rotating way, one end of the connecting rod is connected with the main body in a rotating way, the other end of the connecting rod is arranged on the door plate in a sliding way, and the door plate slides and rotates relative to the main body when opened, so that the door plate is positioned on the side surface of the main body after being opened, and the front side space of the sterilizing cabinet is not occupied; the main body is provided with a limiting piece, and when the door plate is opened or closed, the limiting piece contacts and limits the swing rod, so that the position of the door plate after being opened or closed is more stable; the door plant includes outer door plant and is located the inboard interior door plant of outer door plant, and the lateral wall of interior door plant is drawn in by the outside to the inside gradually center of inwards door plant, and the lateral wall laminating of interior door plant forms inboard sealedly on the lateral wall of oral area, improves sterilizer sealed effect, and outer door plant laminating forms outside sealedly in the outside of oral area, shelters from the ultraviolet ray.

Description

Disinfection cabinet

Technical Field

The invention relates to the field of electric appliances, in particular to a disinfection cabinet.

Background

The small disinfection cabinet is a popular product on the market at present, the basic structure comprises a main body and a door plate, the door plate can be opened relative to the main body, the disinfection cabinet adopts a door opening mode of hinge rotation, such as Chinese patent grant bulletin number CN211986420U, grant bulletin date is 2020.11.24, the patent named as a side-by-side combination type disinfection cabinet bowl basket is disclosed in the patent entitled "side-by-side combination type bowl basket", the small disinfection cabinet comprises a disinfection cabinet body, a cabinet door I and a cabinet door II which are outwards opened in the middle are respectively arranged at two sides of the front end outlet of the inner cavity of the main body, a bowl basket I, a bowl basket II and a vegetable cutting board storage rack are arranged on the inner side of the cabinet door I from top to bottom, a bowl basket III and a bowl basket IV are arranged on the inner side of the cabinet door II from top to bottom, and an inner bin II with a square groove, a notch II and a storage barrel are arranged on the inner side of the bowl basket III.

However, the above-described sterilizer has some drawbacks, such as: the door plant is opened and is more occupy the sterilizer front side space when opening, especially when the door plant is opened to 90 degrees, and the front side space of sterilizer is occupied by whole door plant, and this kind of mode of opening the door is rotatory about the door plant and is opened the door or rotatory the door about, all can have the door plant to open the problem of too much occupation sterilizer front side space, brings a great deal of inconvenience for the user.

Disclosure of Invention

Aiming at the defects of the existing disinfection cabinet, the invention aims to provide the disinfection cabinet, and the door opening and closing structure of the disinfection cabinet is improved to achieve the following technical effects: the door opening mode of the disinfection cabinet is changed, so that the door plate is positioned on one side of the main body after the disinfection cabinet is opened, the front side space of the disinfection cabinet can not be occupied, and the use of a user is facilitated.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sterilizer, includes main part and door plant, the door plant openably sets up the oral area at the main part front side, the door plant passes through connection structure with the main part and is connected, and connection structure includes pendulum rod, connecting rod, and the both ends of pendulum rod rotate with door plant, main part respectively and are connected, and the one end and the main part of connecting rod rotate to be connected, and the other end of connecting rod slides and sets up on the door plant, and the door plant is opened relative main part and is slided and rotatory to be located the main part side after making the door plant open.

Through this technical scheme, the both ends of pendulum rod are connected with door plant, main part rotation respectively through the pivot, but the pendulum rod certain angle of rotation for the door plant can take place rotary motion relative to the main part, and the connecting rod can slide on the door plant simultaneously, and the door plant still takes place gliding action relative to the main part when sending rotary motion, and the door plant slides to main part one side simultaneously when opening, slides the side of rotation to the main part from the front side of main part, and this kind of mode of opening the door is different from the mode of current hinge rotation door of opening, can not too much occupy sterilizer front side space in the opening process, and the door plant does not expose in the front side of main part after opening, and convenience of customers uses.

The invention is further arranged to: one end of the swing rod, which is close to the door plate, is bent, and the swing rod is bent along the rotation direction of the swing rod when the door plate is opened. Through this setting, the one end of pendulum rod is crooked for the rotation position of door plant leads the rotation position of pendulum rod in the main part when opening the door, so that the door plant can rotate the main part side smoothly, and the bending part has the effect of dodging simultaneously, avoids the structural interference in with the main part, makes things convenient for the spatial layout of main part and door plant.

The invention is further arranged to: the connecting rod is in a bending shape, and the connecting rod bends along the rotation direction of the connecting rod when the door plate is opened. Through this setting, the rotation position of door plant when crooked connecting rod makes the open door advances in the rotation position of connecting rod in the main part to make the door plant rotate the main part side smoothly, the bending part has the effect of dodging simultaneously, avoids interfering with the structure in the main part, makes things convenient for the spatial layout of main part and door plant.

The invention is further arranged to: and the main body is provided with a limiting piece, and after the door plate is opened or closed, the limiting piece is in contact with the swing rod to limit the movement of the door plate. Through this setting, the door plant is opened in place or is closed the back in place, and locating part and pendulum rod contact are spacing to the pendulum rod, and the further motion of restriction pendulum rod has restricted the motion of door plant promptly, and the door plant is opened or is closed time position stability, is difficult not hard up to appear opening bad switch door phenomenon such as not in place, close inadequately, promote user's use experience.

The invention is further arranged to: the swing rod is provided with a groove, and the limiting piece is positioned in the groove to limit the swing rod after the door plate is opened or the door plate is closed. Through this setting, when the door plant is opened or is closed, the locating part is spacing in the recess, is difficult for disengaging the recess, and the pendulum rod passes through the recess with the locating part and forms the limit structure of restriction each other, and the door plant is difficult for taking place not hard up.

The invention is further arranged to: the main body is provided with a first movable ejector rod and a first spring arranged on the first movable ejector rod, the first movable ejector rod forms the limiting piece, and after the door plate is opened, the first movable ejector rod abuts against the swing rod. Through this setting, first movable ejector pin supports the pendulum rod and plays spacing effect, prevents that the door plant from opening the back pendulum rod and falls back and lead to the door plant to rock, especially when the door plant is left and right sides direction to open, connection structure receives the gravity influence of door plant this moment, and the deformation easily takes place, and the door plant is opened the back and is more easily taken place to fall back after opening, under the elasticity effect of first spring, first movable ejector pin supports the lower extreme at the pendulum rod, both plays the supporting role, reduces the deformation influence of door plant gravity to connection structure, plays spacing effect again, and the door plant is opened the back and is stably fixed in same position.

The invention is further arranged to: the main body is provided with a second movable ejector rod and a second spring arranged on the second movable ejector rod, the second movable ejector rod forms the limiting piece, and the second movable ejector rod abuts against the swing rod after the door plate is closed. Through this setting, the second activity ejector pin supports the ejector pin and plays spacing effect, prevents that the door plant from closing the back pendulum rod and retreating and leading to the door plant to rock, leads to closing the door effect not good, and the spacing effect of second activity ejector pin also makes the door plant can not open easily simultaneously, promotes user's use experience.

The invention is further arranged to: the swing rod is provided with a third spring at the joint with the main body, the third spring forms the limiting piece, one end of the third spring is fixed on the main body, the other end of the third spring is connected with the swing rod, and when the door plate is closed, the acting force direction of the third spring to the swing rod faces the main body to tighten the door plate on the main body. Through this setting, the effort of third spring when the door plant is closed, and the door plant is closed in the closing direction of door plant in favor of closing to effort that produces, and the door plant has the tensioning effect to the door plant after closing for the door plant can not open easily, and the third spring provides damping effect when the door plant is opened simultaneously, promotes user and opens the door and experience.

The invention is further arranged to: the door plant includes outer door plant and is located the inboard interior door plant of outer door plant, and the profile of outer door plant is greater than the profile of interior door plant, and the lateral wall of interior door plant is gradually drawn in to the center of interior door plant from outside to inside, and the lateral wall laminating of interior door plant forms inboard sealedly on the lateral wall of oral area, and the laminating of outer door plant forms outside sealedly in the outside of oral area. Through this setting, the door plant has inside and outside two-layer seal structure, along with the closing of door plant, in the door plant inserts the oral area and forms sealedly directly, and the inboard seal between interior door plant and the oral area is sealed through simple plane laminating mode, but a more complicated non-straight face cooperation mode, increases sterilizer seal effect through increasing sealing area or sealing position, and outer door plant then blocks in the oral area outside, and the outside seal between outer door plant and the oral area then can shelter from the ultraviolet ray, prevents ultraviolet ray leakage.

The invention is further arranged to: the side wall of the inner door plate is matched with the side wall of the opening part through an inclined plane, an arc surface or a step surface to form inner side sealing. Through this setting, be inclined plane/cambered surface/step form when interior door plant's lateral wall extends all around, the lateral wall of oral area also is the shape that matches with it, strengthens the sterilizer sealed effect through the mode that inclined plane/cambered surface/step face mutually supported.

The invention has the advantages that: 1) The both ends of pendulum rod are connected with door plant, main part rotation respectively through the pivot, but the pendulum rod certain angle for the door plant can take place rotary motion relative to the main part, and the connecting rod can slide on the door plant simultaneously, and the door plant still takes place gliding action relative to the main part when sending rotary motion, and the door plant slides to main part one side simultaneously when opening, and the sideslip rotation is to the side of main part from the front side of main part, and this kind of mode of opening the door is different from the mode of current hinge rotation opening the door, and the door plant is opened the back and is not exposed in the front side of main part, also can not too much occupy sterilizer front side space in-process of opening, makes things convenient for the user to use. 2) Limiting pieces such as a first movable ejector rod, a second movable ejector rod and a third spring are contacted with the swing rod to limit the swing rod, further movement of the swing rod is limited, namely movement of the door plate is limited, the door plate is stable in position and not easy to loosen when being opened or closed, bad door opening and closing phenomena such as incomplete opening and incomplete closing are prevented, and user experience is improved. 3) The door plate is provided with an inner sealing structure and an outer sealing structure, the inner door plate is directly inserted into the opening part along with the closing of the door plate to form a seal, the shapes of the side walls of the inner door plate, such as an inclined plane, an arc surface or a step surface, are designed, the inner sealing between the inner door plate and the opening part is not sealed in a simple plane joint mode, but in a more complex non-straight surface joint mode, and the sealing effect of the disinfection cabinet is improved by increasing the sealing area or the sealing position; the outer door plate is clamped outside the opening, and the outer seal between the outer door plate and the opening can shield ultraviolet rays and prevent the ultraviolet rays from leaking.

Drawings

FIG. 1 is a schematic view of a door panel of the present invention when closed;

FIG. 2 is a schematic view of the door panel of the present invention when opened;

FIG. 3 is a schematic view of the structure of the swing link of the door panel when the door panel is opened;

FIG. 4 is a schematic view of the structure of the door panel of the present invention at the connecting rod when the door panel is opened;

FIG. 5 is a schematic diagram of the structure of the swing rod in the present invention;

FIG. 6 is a schematic view of a connecting rod according to the present invention;

FIG. 7 is a schematic view of a door panel according to the present invention;

FIG. 8 is a cross-sectional view of the present invention;

FIG. 9 is an enlarged view of FIG. 8 at A;

FIG. 10 is a schematic diagram of the structure of the present invention;

FIG. 11 is an enlarged view at B in FIG. 10;

FIG. 12 is a schematic view of a third spring of the present invention;

FIG. 13 is a schematic view of another seal fit between a door panel and a mouth in accordance with the present invention;

FIG. 14 is a schematic view of another seal engagement between a door panel and a mouth in accordance with the present invention.

Reference numerals: the door comprises a main body 100, a mouth 101, a door panel 200, an outer door panel 201, an inner door panel 202, an inclined surface 203, an arc surface 204, a step surface 205, a sliding groove 206, a fastener 207, a swinging rod 300, a shaft hole I301, a groove 302, a connecting rod 400, a shaft hole II 401, a sliding block 402, a first movable ejector rod 500, a first spring 501, a second movable ejector rod 502 and a third spring 503.

Detailed Description

In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

The invention is further described below with reference to the drawings and specific examples.

Example 1: as shown in figures 1 to 9 of the drawings,

the utility model provides a sterilizer, including main part 100 and door plant 200, door plant 200 openably sets up the oral area 101 at the main part 100 front side, door plant 200 passes through connection structure with main part 100 and is connected, connection structure includes pendulum rod 300, connecting rod 400, the both ends of pendulum rod 300 are connected with door plant 200, main part 100 rotation respectively, the one end and the main part 100 rotation of connecting rod 400 are connected, the other end slip setting of connecting rod 400 is on door plant 200, door plant 200 slides and rotates with respect to main part 100, so that door plant 200 is opened the back and is located main part 100 side, this side is the side adjacent with main part 100 front side, depending on connection structure's mounted position, can be left and right sides, also can be the side from top to bottom, take the left side that uses the most often in this embodiment and the following embodiments as an example.

The main body 100 is provided with a limiting part, the swing rod 300 is provided with a groove 302, the groove 302 is positioned on the upper surface and the lower surface of the swing rod 300, after the door panel 200 is opened or the door panel 200 is closed, the limiting part is limited in the groove 302 and is not easy to disengage from the groove 302, the swing rod 300 and the limiting part form a limiting structure which is mutually restricted by the groove 302, and the door panel 200 is not easy to loosen. According to the technical scheme, the defects that in the prior art, the door plate 200 is easy to loosen and shift when being opened or closed, so that poor door opening and closing phenomena such as incomplete opening and incomplete closing of the door plate 200 occur, and the use experience of a user is affected are overcome.

The door plant 200 includes outer door plant 201 and is located the inboard interior door plant 202 of outer door plant 201, the profile of outer door plant 201 is greater than the profile of interior door plant 202, the lateral wall of interior door plant 202 draws in from outside to inside gradually inwards the center of door plant 202, the lateral wall of interior door plant 202 and the lateral wall of oral area 101 pass through inclined plane 203 cooperation and form inboard seal, be an inclined plane 203 when the lateral wall of interior door plant 202 extends to all around, the lateral wall of oral area 101 also is the inclined plane 203 of matching with it, the lateral wall laminating of interior door plant 202 is on the lateral wall of oral area 101, form inboard seal through the mode that inclined plane 203 cooperatees each other, strengthen the sterilizer sealed effect. The outline of the outer door 201 is larger than that of the mouth 101, and when the door 200 is closed, the inner side wall of the outer door 201 abuts against the outer side wall of the mouth 101, and the outer seal is formed by plane fit to shield ultraviolet rays, so that ultraviolet rays are prevented from leaking. The technical scheme improves the defects that the sealing performance and the ultraviolet shielding effect are poor in most of sealing modes of the door plate 200 in the prior art, namely a rubber ring bonding mode or a plane bonding mode when the door plate is closed.

Specifically, the two sets of connection structures are respectively arranged at the upper end and the lower end of the main body 100, the door plate 200 is in a left door opening mode relative to the main body 100, the two sets of connection structures are symmetrically arranged at the upper end and the lower end of the main body 100 to provide balanced support for the movement of the door plate 200, the door plate 200 slides leftwards and rotates clockwise when the door is opened, the door plate 200 is positioned at the left side surface of the main body 100 after being opened, and the door plate 200 is close to the left side surface of the main body 100 as much as possible without being exposed at the front side of the door plate 200.

The swing rod 300 and the connecting rod 400 are all in a bending shape, the swing rod 300 and the connecting rod 400 are bent along the rotation direction of the swing rod 300 when the door plate 200 is opened, namely, are bent clockwise, so that the rotation position of the door plate 200 is advanced in the rotation position of the swing rod 300 and the connecting rod 400 on the main body 100 when the door is opened, the door plate 200 can smoothly rotate to the left side surface of the main body 100, meanwhile, the bending part has an avoidance effect, structural interference with the main body 100 is avoided, and the space layout of the main body 100 and the door plate 200 is facilitated.

The two ends of the swing rod 300 are respectively provided with a shaft hole I301, and the swing rod 300 is respectively in rotary connection with the door plate 200 and the main body 100 through the matching of the rotating shaft and the shaft hole I301.

One end of the connecting rod 400 is provided with a shaft hole II 401, the connecting rod 400 is matched with the shaft hole II 401 to form a running fit with the main body 100 through a rotating shaft, the other end of the connecting rod 400 is provided with a sliding block 402, the inner side of the door plate 200 is provided with a sliding groove 206, the sliding groove 206 extends along the sliding direction of the door plate 200, the extending direction of the sliding groove 206 is the sliding direction of the door plate 200, when the door plate 200 slides left to open a door, the sliding groove 206 transversely extends, the sliding block 402 is limited in the sliding groove 206 and is in sliding fit with the sliding groove 206, one end, connected with the door plate 200, of the connecting rod 400 is perpendicular to the sliding groove 206, the sliding block 402 is matched with the sliding groove 206 to provide a guide for the sliding action of the door plate 200, so that the sliding of the door plate 200 is more stable, and meanwhile the sliding block 402 is limited in the sliding groove 206 and has an anti-falling effect to prevent the connecting rod 400 from being separated from the door plate 200. The sliding groove 206 is disposed on the inner door panel 202 and penetrates the inner door panel 202, the fastener 207 fixes the outer door panel 201 and the inner door panel 202 together, and because of the sliding fit movement relationship of the connecting rod 400 and the door panel 200, in order to ensure the size of the sliding groove 206, the circumference of the sliding groove 206 is provided with a variable amount of screws for ensuring the depth of the sliding groove 206, preventing the sliding groove 206 from deforming and affecting the sliding effect of the connecting rod 400.

In this embodiment, two ends of the swing link 300 are respectively rotatably connected with the door panel 200 and the main body 100, the swing link 300 can rotate by a certain angle, so that the door panel 200 can rotate relative to the main body 100 when opened, meanwhile, the connecting rod 400 can slide on the door panel 200, the door panel 200 can slide relative to the main body 100 when transmitting the rotation, the door panel 200 can rotate clockwise while sliding to the left side of the main body 100 when opened, the front side space occupied by the door panel 200 when rotating forwards is greatly reduced, meanwhile, the door panel 200 slides from the front side of the main body 100 to the left side of the main body 100, the door panel 200 cannot be exposed to the front side of the main body 100 after being opened, the front side space of the disinfection cabinet cannot be occupied, the use is convenient for users, and in addition, when the connecting rod 400 ensures that the door panel 200 is closed, the door panel 200 cannot be opened due to the action of the connecting rod 400, and the door panel 200 can only be opened from the door opening side.

The outer door panel 201 and the inner door panel 202 have different shapes, and the outer door panel 201 or the inner door panel 202 can be conveniently controlled by a split manufacturing mode, and then the outer door panel 201 or the inner door panel 202 is assembled into a complete door panel 200. Meanwhile, the door plate 200 is provided with an inner sealing structure and an outer sealing structure, the inner door plate 202 extends into the opening 101, the inner door plate 202 and the opening 101 cannot interfere in a layout mode of the side wall of the inner door plate 202, along with the closing of the door plate 200, the inner door plate 202 is directly inserted into the opening 101 to form a seal, the inner sealing between the inner door plate 202 and the opening 101 is not sealed in a simple plane fitting mode, but in a complex inclined plane 203 matching mode, and the sealing effect of the disinfection cabinet is improved by increasing the sealing area or the sealing position. The outer door 201 is locked to the outside of the mouth 101, and the outer seal between the outer door 201 and the mouth 101 can block ultraviolet rays and prevent leakage of ultraviolet rays.

Example 2: based on the structure in the above embodiment, as shown in fig. 10, 11, 12,

the main body 100 is provided with the first movable ejector rod 500 and the first spring 501 arranged on the first movable ejector rod 500, the first movable ejector rod 500 forms the limiting piece, after the door plate 200 is opened, the first movable ejector rod 500 stretches into the groove 302 and abuts against the swing rod 300 to play a limiting role, the first movable ejector rod 500 is not easy to disengage from the groove 302, the swing rod 300 and the first movable ejector rod 500 form a mutually restricted limiting structure through the groove 302, the door plate 200 is not easy to loose, the swing rod 300 is prevented from retreating after the door plate 200 is opened, the door plate 200 is prevented from swinging, particularly when the door plate 200 is opened in the left-right direction, the connecting structure is influenced by the gravity of the door plate 200, the door plate 200 is easy to deform, the door plate 200 is easier to retreat after being opened, under the elastic force of the first spring 501, the first movable ejector rod 500 abuts against the lower end of the swing rod 300, the supporting role is played, the influence of the door plate 200 on the deformation of the connecting structure is reduced, the limiting role is played, and the door plate 200 is stably fixed at the same position after being opened.

The main body 100 is provided with the second movable ejector rod 502 and the second spring arranged on the second movable ejector rod 502, the second movable ejector rod 502 forms the limiting piece, after the door plate 200 is closed, the second movable ejector rod 502 stretches into the groove 302 and abuts against the swing rod 300 to perform a limiting function, the swing rod 300 is prevented from retreating after the door plate 200 is closed to cause the door plate 200 to shake, the door closing effect is poor, meanwhile, the door plate 200 cannot be easily opened due to the limiting function of the second movable ejector rod 502, and the use experience of a user is improved.

The third spring 503 is arranged at the joint of the swing rod 300 and the main body 100, the third spring 503 forms the limiting piece, one end of the third spring 503 is fixed on the main body 100, the other end of the third spring 503 is connected with the swing rod 300, one end of the swing rod 300 is provided with the mounting hole 303, the mounting hole 303 is positioned in the main body 100, the connecting end of the third spring 503 is fixed in the mounting hole 303, the swing rod 300 forms a lever by taking a shaft hole I301 arranged on the main body 100 as a fulcrum, when the door plate 200 is closed, the acting force generated by the third spring 503 on the acting force direction of the swing rod 300 is along the closing direction of the door plate 200, the door plate 200 is closed, the third spring 503 has a tensioning effect on the door plate 200 after the door plate 200 is closed, the door plate 200 cannot be opened easily, meanwhile, the third spring 503 provides a damping effect when the door plate 200 is opened, and the door opening experience of a user is improved.

Example 3: based on the mechanism of the above embodiment, and unlike the sealing structure of the inner door panel 202 and the mouth 101 in the above embodiment, as shown in fig. 13,

in this embodiment, the side wall of the inner door plate 202 and the side wall of the mouth 101 form an inner seal through cooperation of the cambered surfaces 204, the side wall of the inner door plate 202 presents a cambered surface 204 when extending to the periphery, the side wall of the mouth 101 also presents a cambered surface 204 matched with the cambered surface 204, and the sealing effect of the disinfection cabinet is enhanced through cooperation of the cambered surfaces 204.

Example 4: based on the mechanism of the above embodiment, and unlike the sealing structure of the inner door panel 202 and the mouth 101 in the above embodiment, as shown in fig. 14,

in this embodiment, the side wall of the inner door plate 202 and the side wall of the mouth portion 101 are matched to form an inner seal through the step surface 205, the side wall of the inner door plate 202 is in a multi-stage step shape when extending to the periphery, the side wall of the mouth portion 101 is also in a multi-stage step shape matched with the inner door plate, and the sealing effect of the disinfection cabinet is enhanced through the mutual matching of the plurality of step surfaces 205.

The foregoing embodiments are provided for further explanation of the present invention and are not to be construed as limiting the scope of the present invention, and some insubstantial modifications and variations of the present invention, which are within the scope of the invention, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims

1. The utility model provides a sterilizer, includes main part and door plant, and the door plant openably sets up at the oral area of main part front side, its characterized in that: the door plate is connected with the main body through a connecting structure, the connecting structure comprises a swing rod and a connecting rod, two ends of the swing rod are respectively connected with the door plate and the main body in a rotating way, one end of the connecting rod is connected with the main body in a rotating way, the other end of the connecting rod is arranged on the door plate in a sliding way, and the door plate slides and rotates relative to the main body when being opened, so that the door plate is positioned on the side surface of the main body after being opened; one end of the swing rod, which is close to the door plate, is bent, and the swing rod is bent along the rotation direction of the swing rod when the door plate is opened; the connecting rod is in a bending shape, and is bent along the rotation direction of the connecting rod when the door plate is opened; the main body is provided with a limiting piece, and after the door plate is opened or closed, the limiting piece contacts and limits the swing rod so as to limit the movement of the door plate; the swing rod is provided with a groove, and the limiting piece is positioned in the groove to limit the swing rod after the door panel is opened or the door panel is closed; the main body is provided with a first movable ejector rod and a first spring arranged on the first movable ejector rod, the first movable ejector rod forms the limiting piece, and after the door plate is opened, the first movable ejector rod is propped against the swing rod; the main body is provided with a second movable ejector rod and a second spring arranged on the second movable ejector rod, the second movable ejector rod forms the limiting piece, and the second movable ejector rod abuts against the swing rod after the door panel is closed; the connecting part of the swing rod and the main body is provided with a third spring, the third spring forms the limiting piece, one end of the third spring is fixed on the main body, the other end of the third spring is connected with the swing rod, and when the door plate is closed, the acting force direction of the third spring on the swing rod faces towards the inside of the main body so as to tighten the door plate on the main body; the door plate comprises an outer door plate and an inner door plate positioned at the inner side of the outer door plate, the outline of the outer door plate is larger than that of the inner door plate, the side wall of the inner door plate is gradually folded from outside to inside towards the center of the inner door plate, the side wall of the inner door plate is attached to the side wall of the opening to form an inner side seal, and the outer door plate is attached to the outer side of the opening to form an outer side seal; the side wall of the inner door plate is matched with the side wall of the opening part through an inclined plane or an arc surface or a step surface to form inner side seal; the swing link is rotatory certain angle for the door plant can take place rotary motion relative to main part when opening, and the connecting rod can slide on the door plant simultaneously, and the door plant still takes place gliding action relative to main part when sending rotary motion, and clockwise rotation is in the time of the door plant is opened simultaneously to the left side of main part slip, the front side space that the door plant occupy when rotatory forward significantly reduces, and the door plant sideslip rotation is to the left surface of main part from the front side of main part simultaneously, can not expose the front side of main part after the door plant is opened, and in addition when the connecting rod guaranteed the door plant to close, the non-side of opening the door plant can not be opened because of the connecting rod effect, and the door plant can only be opened the door from the side of opening the door.