Door opening device and electrical equipment

Abstract

The utility model belongs to the technical field of mechanical equipment, and particularly relates to a door opening device and electrical equipment. The door opening device comprises a door body, a key body, a door lock assembly and an operation piece, the door body is provided with a concave part, the bottom of the concave part is provided with a communication port, the key body is rotatably connected into the door body and comprises a pressing part, and the pressing part is arranged in the concave part and can move into the door body through the communication port; the door lock assembly is connected into the door body and comprises a rotatable driving part, and the driving part is arranged on the back of the pressing part; the operating piece is rotatably connected in the door body and comprises a handle part, and the handle part is arranged in the concave part and can be driven by the key body to rotate towards the outside of the door body, so that at least part of the handle part protrudes out of the door body. The flatness of the appearance of the door body can be guaranteed, and the appearance of a product is prevented from being affected.

Description

Technical Field

[0001] This application belongs to the technical field of mechanical equipment, and specifically relates to an opening device and an electrical appliance. Background Art

[0002] For electrical appliances with a door body such as a dishwasher, a handle for opening the door is usually provided on the door body, and the handle protrudes from the surface of the door body, affecting the appearance of the product. Summary of the Invention

[0003] This application provides an opening device and an electrical appliance, aiming to solve at least to some extent the technical problem that the handle protrudes from the surface of the door body and affects the appearance of the product.

[0004] In the first aspect of this application, an opening device is provided. The opening device includes: a door body provided with a recess, and a communication port is provided at the bottom of the recess; a key body rotatably connected within the door body, and including a pressing portion, the pressing portion is placed within the recess and can move into the door body through the communication port; a door lock assembly connected within the door body, and including a rotatable driving portion, the driving portion is placed on the back of the pressing portion; an operating member rotatably connected within the door body, and including a pulling portion, the pulling portion is placed within the recess and can rotate towards the outside of the door body under the drive of the key body, so that at least a part of the pulling portion protrudes from the door body.

[0005] In the opening device provided by this application, since the key body is rotatably connected within the door body, the pressing portion of the key body moves into the door body through the communication port of the recess of the door body, and the driving portion of the door lock assembly is placed on the back of the pressing portion. Therefore, under the condition of pressing the pressing portion of the key body, the pressing portion of the key body can be rotated towards the inside of the door body, and then drive the driving portion of the door lock assembly to rotate to release the connection between the door lock assembly and the door frame; at the same time, since the operating member is rotatably connected within the door body, the pulling portion of the operating member rotates towards the outside of the door body under the drive of the key body, so that at least a part of the pulling portion protrudes from the door body, and the user can hold the pulling portion protruding from the door body and open the door body to the required angle.

[0006] This application can realize the unlocking and opening of the door body through the linkage of the key body, the door lock assembly and the operating member. Moreover, before the door body is opened, the pressing portion of the key body and the pulling portion of the operating member are both placed within the recess to ensure the flatness of the appearance of the door body and avoid affecting the appearance of the product.

[0007] In some embodiments, the key body further includes: a loading portion connected to the back of the pressing portion; a limiting portion, the limiting portion is connected to at least a part of the periphery of the loading portion, and the limiting portion can abut against the back of the bottom of the recess.

[0008] In some embodiments, the limiting part is connected to at least part of the top on the peripheral side of the loading part.

[0009] In some embodiments, the key body further includes: a first connecting piece, connected to the back of the pressing part and extending downward from the key body, and the first connecting piece is rotatably connected in the door body through a first rotating shaft.

[0010] In some embodiments, there are two first connecting pieces arranged in parallel, and each first connecting piece is rotatably connected in the door body through the first rotating shaft.

[0011] In some embodiments, the operating member further includes: a passive part, connected to the pulling part and disposed on the back of the key body. Under the condition of pressing the pressing part, the key body drives the passive part to rotate the operating member.

[0012] In some embodiments, there are gaps between both sides of the communication port and the pressing part, and the pulling part has a connecting side part passing through the gaps; the operating member further includes: a second connecting piece, connected to the back of the pulling part, and the passive part is connected to the second connecting piece.

[0013] In some embodiments, the passive part is connected to the bottom of the second connecting piece, and the middle part of the second connecting piece is connected in the door body through a second rotating shaft.

[0014] In some embodiments, the operating member further includes: a first elastic member, sleeved on the second rotating shaft, and two end parts respectively abut against the door body and the second connecting piece.

[0015] In some embodiments, the door lock assembly includes: a linkage member, rotatably connected in the door body, and the driving part is connected to the linkage member; a door lock, connected to the linkage member and extending out of the back of the door body for connecting with a door frame to be opened.

[0016] In some embodiments, the door lock assembly further includes: a second elastic member, one end connected to the linkage member and the other end connected in the door body.

[0017] In a second aspect of the present application, the present application further provides an electrical device, and the electrical device includes the above-mentioned door opening device.

[0018] For the electrical device provided by the present application, through the linkage of the key body, the door lock assembly and the operating member of the door opening device, the unlocking and opening of the door body can be realized. Moreover, before the door body is opened, the pressing part of the key body and the pulling part of the operating member are both disposed in the concave part to ensure the flatness of the appearance of the door body and avoid affecting the appearance of the product. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0020] Figure 1 Shows a schematic structural diagram of an opening device in one or more embodiments of the present application;

[0021] Figure 2 Shows Figure 1 exploded schematic diagram;

[0022] Figure 3 Shows Figure 2 schematic structural diagram of the outer door in;

[0023] Figure 4 Shows Figure 3 front view schematic diagram of;

[0024] Figure 5 Shows Figure 2 schematic structural diagram of the fitness body in;

[0025] Figure 6 Shows Figure 5 assembly schematic diagram of the fitness body and the outer door as described;

[0026] Figure 7 Shows Figure 5 schematic structural diagram from another perspective of;

[0027] Figure 8 Shows Figure 6 schematic structural diagram from another perspective of;

[0028] Figure 9 Shows Figure 2 schematic structural diagram of the operating member in;

[0029] Figure 10 Shows Figure 9 coordination schematic diagram of the operating member and the fitness body in;

[0030] Figure 11 Shows Figure 1 schematic structural diagram of the opening device shown with the inner door removed;

[0031] Figure 12 Shows Figure 11 rear view schematic diagram of;

[0032] Figure 13 Shows Figure 2Schematic structural diagram of the door lock assembly therein;

[0033] Figure 14 shows Figure 2 Schematic structural diagram of the inner door therein.

[0034] Description of reference numerals:

[0035] Door body - 100, recess - 101, communication port - 102, first communication part - 1021, second communication part - 1022, outer door - 103, door lock - 104, first connecting seat - 105, second connecting seat - 106, third connecting seat - 107, hook - 108;

[0036] Key body - 200, pressing part - 201, loading part - 202, limiting part - 203, hollow part - 204, first connecting piece - 205, first rotating shaft - 206, card slot - 207

[0037] Operating part - 300, pulling part - 301, abdomen - 3011, connecting side part - 3012, passive part - 302, second connecting piece - 303, second rotating shaft - 304, first elastic part - 305

[0038] Door lock assembly - 400, driving part - 401, linkage part - 402, door lock - 403, second elastic part - 404, fourth connecting seat - 405, buckle - 406, connecting shaft - 407. Detailed implementation manners

[0039] In order to enable those skilled in the art in the technical field to which the present application belongs to more clearly understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0040] A dishwasher is a kitchen appliance for automatically cleaning tableware and is gradually entering more and more ordinary families. Usually, dishwashers have a drying function, so that after the tableware is cleaned, it can be quickly dried to prevent the growth of bacteria in a humid environment.

[0041] In the related art, the door body of the dishwasher is connected to the cabinet body through a buffer assembly to ensure the safety of opening the door body and enable the door body to maintain the required opening degree. In order to open the door body, a handle for opening the door is usually provided on the door body, and the handle protrudes from the surface of the door body, affecting the appearance of the product.

[0042] Based on the above technical problems, the present application provides an opening device and an electrical appliance, aiming to solve at least to some extent the technical problem that the handle protrudes from the surface of the door body and affects the appearance of the product.

[0043] In the first aspect of the present application, an opening device is provided. Figure 1 The structural schematic diagram of the opening device in one or more embodiments of the present application is shown. Figure 2 Shown is Figure 1 the explosion schematic diagram. Combining Fig. Figure 1 and Figure 2 , the opening device includes a door body 100, a key body 200, a door lock assembly 400, and an operating member 300. The door body 100 is provided with a recess 101, and a communication port 102 is provided at the bottom of the recess 101. The key body 200 is rotatably connected within the door body 100, and the key body 200 includes a pressing portion 201. The pressing portion 201 is placed within the recess 101, and the pressing portion 201 can move into the door body 100 through the communication port 102. The door lock assembly 400 is connected within the door body 100. The door lock assembly 400 includes a rotatable driving portion 401. The driving portion 401 is placed on the back of the pressing portion 201. The operating member 300 is rotatably connected within the door body 100. The operating member 300 includes a pulling portion 301. The pulling portion 301 is placed within the recess 101, and the pulling portion 301 can rotate towards the outside of the door body 100 under the drive of the key body 200, so that at least a part of the pulling portion 301 protrudes from the door body 100.

[0044] For the opening device provided by the present application, since the key body 200 is rotatably connected within the door body 100, the pressing portion 201 of the key body 200 moves into the door body 100 through the communication port 102 of the recess 101 of the door body 100, and the driving portion 401 of the door lock assembly 400 is placed on the back of the pressing portion 201. Therefore, under the condition of pressing the pressing portion 201 of the key body 200, the pressing portion 201 of the key body 200 can be rotated towards the direction of the door body 100, and then drive the driving portion 401 of the door lock assembly 400 to rotate to release the connection between the door lock assembly 400 and the door frame; at the same time, since the operating member 300 is rotatably connected within the door body 100, the pulling portion 301 of the operating member 300 rotates towards the outside of the door body 100 under the drive of the key body 200, so that at least a part of the pulling portion 301 protrudes from the door body 100, and the user can hold the pulling portion 301 protruding from the door body 100 and open the door body 100 to the required angle.

[0045] Through the linkage of the key body 200, the door lock assembly 400, and the operating member 300, the present application can achieve the unlocking and opening of the door body 100. Moreover, before the door body 100 is opened, the pressing portion 201 of the key body 200 and the pulling portion 301 of the operating member 300 are both placed within the recess 101 to ensure the flatness of the appearance of the door body 100 and avoid affecting the appearance of the product.

[0046] The specific details of the door opening device will now be further described with reference to the accompanying drawings. For the sake of description, the orientation described in this application is based on the user standing in front of the product. Among them, the front side is the side of the product facing the user, the back side is the side of the product facing away from the user, the length direction is the left-right direction of the user, and the height direction is the height direction of the user.

[0047] Combined Figure 2 , the door body 100 of the present application includes an outer door 103 and an inner door 104. The outer door 103 and the inner door 104 can be detachably connected and assembled together by means such as screws and snap connections, so as to facilitate the arrangement and assembly of the key body 200, the door lock assembly 400, and the operating member 300 within the door body 100. Among them, the surface of the outer door 103 of the door body 100 is smooth and flat to ensure the flatness of the appearance of the product.

[0048] Figure 3 Shows Figure 2 The structural schematic diagram of the outer door in Figure 4 Shows Figure 3 The front view schematic diagram of Figure 3 And Figure 4 , the recess 101 of the present application is provided on the front side of the outer door 103. The opening side of the recess 101 faces the front side of the outer door 103. The recess 101 is generally square. The communication port 102 can be opened on the lower side of the bottom of the recess 101. The communication port 102 includes a first communication part 1021 located on the upper side and a second communication part 1022 located on the lower side. The first communication part 1021 and the second communication part 1022 are connected so that the communication port 102 is generally in a convex-shaped structure.

[0049] Figure 5 Shows Figure 2 The structural schematic diagram of the key body in Figure 6 Shows Figure 5 The assembly schematic diagram of the key body and the outer door described above. Combined Figure 5 And Figure 6 , the pressing part 201 of the key body 200 of the present application is in a square block structure. Its length is the same as or approximately the same as the length direction of the first communication part 1021. The thickness dimension of the pressing part 201 is the same as the thickness dimension of the outer door 103. When the pressing part 201 is placed in the communication port 102, the front side of the pressing part 201 and the front side of the outer door 103 are generally in the same plane to ensure the flatness of the front side of the door opening device. In one embodiment, the rear side of the pressing part 201 and the rear side of the communication port 102 are also generally in the same plane; in another embodiment, the rear side of the pressing part 201 can also protrude from the rear side of the communication port 102. When a force is applied to the pressing part 201, the pressing part 201 moves towards the inside direction of the door body 100.

[0050] Figure 7 shows Figure 5 a schematic structural view of another perspective of Figure 8 shows Figure 6 a schematic structural view of another perspective of Figure 7 and Figure 8 , the key body 200 of the present application further includes a loading portion 202 and a limiting portion 203. The loading portion 202 can be connected to the back of the pressing portion 201 by integral molding or snap connection, etc. The limiting portion 203 is connected to at least part of the periphery of the loading portion 202, and the limiting portion 203 can abut against the back of the bottom of the recess 101. When the pressing portion 201 is placed in the communication port 102, the limiting portion 203 abuts against the back of the bottom of the recess 101 to prevent the pressing portion 201 from moving in the front side direction of the outer door 103.

[0051] Combined with Figure 7 and Figure 8 , in an embodiment, the limiting portion 203 is connected to at least part of the top of the periphery of the loading portion 202. When the pressing portion 201 is placed in the communication port 102, the limiting portion 203 abuts against the back of the top edge of the communication port 102 to prevent the pressing portion 201 from moving in the front side direction of the outer door 103. In other embodiments, the limiting portion 203 can also be connected to the side portion in the height direction of the periphery of the loading portion 202, and the limiting portion 203 abuts against the back of the bottom of the recess 101, which can also achieve the purpose of preventing the pressing portion 201 from moving in the front side direction of the outer door 103.

[0052] Combined with Figure 7 , in specific implementation, the loading portion 202 of the present application is also a plate-like structure. Along the front-back direction of the door body 100, the projection of the pressing portion 201 falls on the loading portion 202. A convex structure is provided on the top of the loading portion 202. The size of the convex structure in the length direction of the loading portion 202 can be the same, or larger or smaller than the size of the loading portion 202 in the length direction. The convex structure is configured as the above-mentioned limiting portion 203. In addition, a hollow portion 204 can be provided on the loading portion 202, and the hollow portion 204 is placed on the back of the pressing portion 201.

[0053] Combined with Figure 7 and Figure 8 , the key body 200 of the present application can further include a first connecting member 205. The first connecting member 205 is connected to the back of the pressing portion 201 and extends downward to the communication port 102. The first connecting member 205 is rotatably connected to the inside of the door body 100 through a first rotating shaft 206. When a force is applied to the pressing portion 201, the pressing portion 201 moves in the inner direction of the door body 100 around the first rotating shaft 206.

[0054] Combined with Figure 7, during specific implementation, the first connecting member 205 can be a strip-shaped plate structure. Its top can be connected to the hollow portion 204 of the loading portion 202 by means of snap connection or integral molding. A card slot 207 is provided in the middle thereof. The portion of the loading portion 202 located below the hollow portion 204 is snap-connected or integrally molded in the card slot 207. The bottom of the first connecting member 205 extends to below the communication port 102. The first rotating shaft 206 is arranged horizontally and can be integrally molded at the bottom of the first connecting member. A first connecting seat 105 is provided on the back of the outer door 103. The first rotating shaft 206 is rotatably connected in the first connecting seat 105.

[0055] Combined with Figure 7 , two first connecting members 205 of the present application are arranged in parallel. Each first connecting member 205 is rotatably connected in the door body 100 through the first rotating shaft 206 to ensure the reliability of the rotation of the key body 200.

[0056] Combined with Figure 7 , in one embodiment, the two first rotating shafts 206 are respectively connected to the opposite sides of the two first connecting members 205. In another embodiment, the two first rotating shafts 206 are respectively connected to the relative sides of the two first connecting members 205, which is not limited herein.

[0057] Figure 9 shows Figure 2 the structural schematic diagram of the operating member in Figure 10 shows Figure 9 the cooperation schematic diagram of the operating member and the key body in Figure 11 shows Figure 1 the structural schematic diagram of the door opening device shown in Figure 12 shows Figure 11 the rear view schematic diagram of Figures 9 - 12 , the handle portion 301 of the operating member 300 of the present application is generally a U-shaped structure, which includes a belly portion 3011 and two connecting side portions 3012. The belly portion 3011 is arranged in cooperation between the top of the concave portion 101 and the top of the pressing portion 201. The two connecting side portions 3012 are respectively connected to the two ends in the length direction of the belly portion 3011 and extend downward of the belly portion 3011. The two connecting side portions 3012 are respectively placed between the side portions of the concave portion 101 and the side portions of the pressing portion 201. In other embodiments, the handle portion 301 of the operating member 300 can also be an arc-shaped structure or a V-shaped structure, which is not limited herein.

[0058] Combined with Figure 9 and Figure 10, the operating member 300 may further include a passive part 302. The passive part 302 is connected to the pulling part 301 and is placed on the back of the key body 200. Under the condition of pressing the pressing part 201 of the key body 200, the key body 200 drives the passive part 302 to rotate the operating member 300.

[0059] Combined with Figures 9 - 12 , the connecting side part 3012 of the pulling part 301 extends to the lower part of the communication port 102. The operating member 300 further includes a second connecting member 303. The second connecting member 303 is connected to the back of the connecting side part 3012, and the passive part 302 is connected to the second connecting member 303.

[0060] Combined with Figure 9 and Figure 10 , specifically in implementation, the second connecting member 303 of the present application may also be a long strip-shaped plate structure, which is inclined to the connecting side part 3012. The top end of the second connecting member 303 is connected to the back of the connecting side part 3012, and there is a distance between the bottom end of the second connecting member 303 and the back of the connecting side part 3012. A driving shaft is provided at the bottom of the second connecting member 303. The driving shaft is placed on the back of the loading part 202. Under the condition of pressing the pressing part 201 of the key body 200, the loading part 202 of the key body 200 drives the driving shaft to rotate the operating member 300. The driving shaft is configured as the passive part 302 of the operating member 300.

[0061] Combined with Figure 9 and Figure 10 , the middle part of the second connecting member 303 is connected to the inside of the door body 100 through a second rotating shaft 304. Under the condition of pressing the pressing part 201 of the key body 200, the loading part 202 of the key body 200 drives the driving shaft to rotate the operating member 300 around the second rotating shaft 304. The driving shaft of the operating member 300 rotates towards the back direction of the outer door 103, and the pulling part 301 of the operating member 300 rotates towards the front direction of the outer door 103, so that at least part of the pulling part 301 protrudes from the door body 100. The user can hold the pulling part 301 protruding from the door body 100 and open the door body 100 to the required angle.

[0062] Combined with Figure 10 and Figure 11 , a second connecting seat 106 is provided on the back of the outer door 103. The second rotating shaft 304 is rotatably connected to the inside of the second connecting seat 106. The second rotating shaft 304 and the driving shaft are respectively placed on both sides of the second connecting member 303 to reasonably utilize the internal space of the door body 100.

[0063] Combined with Figure 10, the operating member 300 of the present application further includes a first elastic member 305. The first elastic member 305 can be a torsion spring structure. The middle part of the first elastic member 305 is sleeved on the second rotating shaft 304. The first elastic member 305 has two end parts, and the two end parts respectively abut against the door body 100 and the second connecting member 303. Under the condition of pressing the pressing part 201 of the key body 200, at least part of the pulling part 301 protrudes from the door body 100. At the same time, the first elastic member 305 deforms correspondingly. The user can hold the pulling part 301 protruding from the door body 100 and open the door body 100 to the required angle; under the condition that there is no acting force on the pulling part 301, the first elastic member 305 restores deformation to drive the operating member 300 and the key body 200 to return to the concave part 101 in sequence.

[0064] Combined with Figures 9 - 12 , two second connecting members 303, passive parts 302, second rotating shafts 304 and first elastic members 305 of the present application are provided, and are respectively arranged on both sides of the back of the operating member 300 to ensure the reliable operation of the key body 200 and the operating member 300.

[0065] Figure 13 shows Figure 2 the structural schematic diagram of the door lock assembly in Figures 11 - 13 , the door lock assembly 400 of the present application includes a linkage member 402 and a door lock 403. The linkage member 402 is rotatably connected in the door body 100. The driving part 401 is connected to the linkage member 402. The door lock 403 is connected to the linkage member 402 and extends out of the back of the door body 100 for connecting with the door frame to be opened. Under the condition of pressing the pressing part 201 of the key body 200, the pressing part 201 of the key body 200 rotates towards the inside of the door body 100, and then drives the driving part 401 of the door lock assembly 400 to rotate, synchronously driving the linkage member 402 and the door lock 403 to rotate to a set angle to release the connection between the door lock 403 of the door lock assembly 400 and the door frame.

[0066] Combined with Figures 11 - 13 , specifically in implementation, the linkage member 402 of the present application is placed above the key body 200. The driving part 401 can be a plate-like structure, and its top is sleeved on the middle part of the linkage member 402. At least part of the driving part 401 is attached to the back of the key body 200. Two third connection seats 107 are provided on the back of the outer door 103, and both ends of the linkage member 402 are respectively rotatably connected in the two third connection seats 107.

[0067] Combined with 11- Figure 13, the door lock assembly 400 further includes a second elastic member 404. One end of the second elastic member 404 is connected to the linkage member 402, and the other end of the second elastic member 404 is connected inside the door body 100. When the key body 200 drives the driving portion 401 to rotate to release the connection between the door lock 403 of the door lock assembly 400 and the door frame, the second elastic member 404 deforms accordingly; when the key body 200 returns to the recess 101 of the door body 100, the second elastic member 404 restores its deformation to lock the door lock 403 of the door lock assembly 400 and the door frame again.

[0068] Figure 14 shows Figure 2 a schematic structural diagram of the inner door in Figures 11 - 14 . Specifically, in implementation, two fourth connection seats 405 are fixedly arranged on the linkage member 402. The two fourth connection seats 405 are respectively disposed between the driving portion 401 and the two third connection seats 107. A buckle 406 is arranged on each fourth connection seat 405. The second elastic member 404 and the fourth connection seat 405 are correspondingly arranged. The second elastic member 404 can be a spring structure, its top is hooked on the buckle 406 of the corresponding fourth connection seat 405, and its bottom is connected to the hook 108 arranged on the inner door 104 or the outer door 103 to realize the assembly of the second elastic member 404 inside the door body 100.

[0069] Combined with Figure 13 , the cross-section of the linkage member 402 of the present application is in a certain shape. The cross-sections of the fourth connection seat 405 and the parts of the driving portion 401 that cooperate with the linkage member 402 are all square, so that the driving portion 401, the linkage member 402 and the fourth connection seat 405 are relatively fixed. In addition, the driving portion 401 and the linkage member 402 can be connected by screws to improve the reliability of their fixed assembly. The door lock 403 can be fixedly connected to the fourth connection seat 405 through a connecting shaft 407. Under the action of the driving portion 401, the linkage member 402, the fourth connection seat 405 and the door lock 403 rotate synchronously to release the connection between the door lock 403 and the door frame.

[0070] It should be noted that the first connection seat 105, the second connection seat 106 and the third connection seat 107 of the present application all include two single-body structures connected by screws or snap connections to facilitate the assembly of each shaft in the corresponding connection seat.

[0071] Based on the above opening device, in the second aspect of the present application, the present application further provides an electrical device, and the electrical device includes the above opening device.

[0072] The electrical appliance provided by the present application can unlock and open the door body 100 through the linkage of the key body 200 of the door opening device, the door lock assembly 400, and the operating member 300. Moreover, before the door body 100 is opened, the pressing portion 201 of the key body 200 and the pulling portion 301 of the operating member 300 are both placed in the recess 101 to ensure the flatness of the appearance of the door body 100 and avoid affecting the appearance of the product.

[0073] The electrical appliance provided by the present application can be a dishwasher or other electrical appliances with a door body, such as a disinfection cabinet or an integrated stove, etc., which is not limited here.

[0074] Since the electrical appliance provided by the present application includes the door opening device of any of the above technical solutions, this electrical appliance has all the beneficial effects of the door opening device of the above technical solutions.

[0075] In the present application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0076] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0077] In the present application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0078] In addition, in this application, descriptions such as "first" and "second" are for descriptive purposes only, and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality of" means two or more, unless otherwise specifically defined.

[0079] Although the embodiments of this application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this application. The scope of this application is defined by the claims and their equivalents.

Claims

1. An opening device, characterized in that, The door opening device includes: A door body provided with a recess, and a communication port is provided at the bottom of the recess; A key body rotatably connected within the door body, and includes a pressing portion which is placed within the recess and can move into the door body through the communication port; A door lock assembly connected within the door body, and includes a rotatable driving portion which is placed on the back of the pressing portion; An operating member rotatably connected within the door body, and includes a pulling portion which is placed within the recess and can rotate towards the outside of the door body under the driving of the key body, so that at least a part of the pulling portion protrudes from the door body.

2. The door opening device according to claim 1, characterized in that, The key body further includes: A loading portion connected to the back of the pressing portion; A limiting portion connected to at least a part of the periphery of the loading portion and can abut against the back of the bottom of the recess.

3. The door opening device according to claim 2, characterized in that, The limiting portion is connected to at least a part of the top of the periphery of the loading portion.

4. The door opening device according to any one of claims 1 to 3, characterized in that, The key body further includes: a first connecting member connected to the back of the pressing portion and extending downward of the key body, and the first connecting member is rotatably connected within the door body through a first rotating shaft.

5. The door opening device according to claim 4, characterized in that, There are two first connecting members arranged in parallel, and each first connecting member is rotatably connected within the door body through the first rotating shaft.

6. The door opening device according to any one of claims 1-3 and 5, characterized in that, The operating member further includes: A passive portion connected to the pulling portion and placed on the back of the key body. Under the condition of pressing the pressing portion, the key body drives the passive portion to rotate the operating member.

7. The door opening device according to claim 6, characterized in that, The operating member further includes: A second connecting member connected to the back of the pulling portion, and the passive portion is connected to the second connecting member.

8. The door opening device according to claim 7, wherein, The passive portion is connected to the bottom of the second connecting member, and the middle of the second connecting member is connected within the door body through a second rotating shaft.

9. The door opening device according to claim 8, characterized in that, The operating member further includes: A first elastic member sleeved on the second rotating shaft, and the two end portions respectively abut against the door body and the second connecting member.

10. The door opening device according to any one of claims 1-3, 5, and 7-9, characterized in that, The door lock assembly includes: A linkage member rotatably connected within the door body, and the driving portion is connected to the linkage member; A door lock connected to the linkage member and protruding from the back of the door body for connection with a door frame.

11. The door opening device according to claim 10, characterized in that, The door lock assembly further includes: A second elastic member, one end of which is connected to the linkage member and the other end is connected within the door body.

12. An electrical device, characterized in that, The electrical equipment includes the door opening device according to any one of claims 1-11.

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