External water box steam baking machine

Abstract

The present invention discloses an external water box steam baking all-in-one machine, comprising a box body, a base plate and a water box that is movably embedded or protrudes from the box body along the base plate are arranged in the box body, a pop-up water box installation structure is arranged on the water box and the base plate, the pop-up water box installation structure comprises a pop-up structure that enables the water box to move and protrude from the box body, and a positioning structure that forces the water box to be stationary relative to the base plate when the water box protrudes into place or is embedded into place, and an external water inlet is formed on the water box. With this structure, when the oven is working, the water box is moved to protrude from the box body and connected to an external water source through the external water inlet to achieve steam baking, and when the oven is not working, the water box is moved to be embedded in the box body to save storage space. In summary, the present invention reduces the overall volume of the water box while ensuring water supply, improves the space utilization rate of the oven, and at the same time, there is no need to stop the machine for water collection, which is convenient to use.

Description

[Technical field]

[0001] The present application relates to the field of steam equipment, and in particular to an external water box type steam baking machine. [Background technology]

[0002] In the existing steam oven, the water tank is arranged inside the steam oven, which not only occupies the internal space of the oven, but also needs to be stopped and replaced when the water level in the water tank is insufficient, which is inconvenient to operate. [Summary of the invention]

[0003] The present invention aims to improve the problem that the water tank of the existing steam oven is arranged in the box body, which occupies the box body space and is inconvenient to replace. The present invention provides an external water box type steam baking all-in-one machine, including a box body, a base plate and a water box that moves along the base plate to be embedded in or protrudes from the box body, a pop-up water box installation structure is provided on the water box and the base plate, the pop-up water box installation structure includes a pop-up structure that enables the water box to move and protrude from the box body and a positioning structure that forces the water box to be stationary relative to the base plate when the water box protrudes into place or is embedded in place, and an external water inlet is formed on the water box.

[0004] As an improvement of the above-mentioned external water box type steam baking machine, the positioning structure includes a positioning rod arranged on one of the base plate and the water box, and a first positioning groove arranged on the other of the two for the positioning rod to slide and to be snap-fitted with the positioning rod after the water box protrudes into place, and a positioning portion arranged in the first positioning groove and to be snap-fitted with the positioning rod after the water box is embedded in place.

[0005] As an improvement of the above-mentioned external water box type steam baking machine, the first positioning groove includes a first sub-positioning groove extending along the moving direction of the water box, the first sub-positioning groove is connected to a second sub-positioning groove whose notch gradually increases in the direction away from the first sub-positioning groove, the second sub-positioning groove is provided with the positioning portion forming the introduction groove and the export groove therewith, the positioning portion is formed with an arc-shaped bayonet extending in the direction of the first sub-positioning groove, the second sub-positioning groove is provided with an introduction give way groove and an export give way groove on the side opposite to the arc-shaped bayonet, the introduction give way groove is arranged opposite to the arc-shaped bayonet, and the export give way groove is arranged opposite to the export groove.

[0006] As an improvement of the above-mentioned external water box steam baking machine, the pop-up structure includes a guide hole arranged on one of the base plate and the water box and extending along the moving direction of the water box, and an insertion strip arranged on the other of the two and moving along the guide hole, and a first elastic member arranged in the guide hole and elastically pressing the insertion strip toward the outside of the box body, and the insertion strip is provided with an elastic damping member elastically resisting against the inner wall of the guide hole.

[0007] As an improvement of the above-mentioned external water box steam oven, the inserting strip includes a sealing portion elastically abutting against the inner wall of the guide hole, and a first positioning strip for inserting the first elastic member is provided on the sealing portion.

[0008] As an improvement of the above-mentioned external water box steam baking machine, a fixed pipeline water inlet structure is provided on the water box and the base plate. The fixed pipeline water inlet structure includes a water inlet pipe group fixed on the base plate and a water outlet pipe connected to the water box. The water outlet pipe is inserted into or detached from the water inlet pipe group as the water box moves.

[0009] As an improvement of the above-mentioned external water box type steam baking machine, the water inlet pipe group includes a reversing pipe arranged on the base plate, the reversing pipe is provided with a second water inlet plug-inly matched with the water outlet pipe and a second water outlet arranged on the same side as the second water inlet, and the second water outlet is plugged into a water inlet pipe with one end extending and fixed on the base plate.

[0010] As an improvement of the above-mentioned external water box type steam baking machine, the water box includes a box body formed with a water storage cavity and a box cover covering the box body, the box cover includes a lower box cover covering the box body, the lower box cover is formed with an external water inlet for exposing the water storage cavity, the lower box cover is provided with an upper box cover for opening and closing the external water inlet, the lower box cover is formed with a folding notch for allowing the upper box cover to slide into the water storage cavity after the upper box cover is opened into place, and the box body is provided with a folding slot for inserting the upper box cover at a position relative to the folding notch.

[0011] As an improvement of the above-mentioned external water box type steam baking machine, a self-locking water supply device is detachably connected to the external water inlet, and the self-locking water supply device includes an outer shell plugged into and matched with the external water inlet, an inner shell is embedded in the outer shell to form a water inlet cavity therewith, a third water inlet is formed on the outer shell, a third water outlet is formed on the inner shell, a sealing mechanism that can be moved to close or move away from the third water outlet is provided in the water inlet cavity, and a ejector pin for allowing the sealing ball to separate from the third water outlet is provided on the water box.

[0012] As an improvement of the above-mentioned external water box type steam oven, the blocking mechanism includes a sealing ball arranged in the water inlet cavity and a second elastic member that moves the sealing ball to close the third water outlet.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] The present invention provides an external water box steam baking all-in-one machine, wherein a base plate is arranged on a box body, a pop-up structure enables the water box to move along the base plate and protrude out of the box body, and a positioning structure forces the water box to be stationary relative to the base plate when the water box moves to be embedded in place or moves to be protruded in place. With this structure, when the oven is working, the water box is moved to protrude out of the box body and connected to an external water source through an external water inlet to achieve steam baking, and when the oven is not working, the water box is moved to be embedded in the box body to save storage space. In summary, the present invention reduces the overall volume of the water box while ensuring water supply, improves the space utilization rate of the oven, and at the same time, water collection does not require shutdown operation, and is convenient to use.

Brief Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for describing the embodiments are briefly introduced below.

[0016] Figure 1 It is a three-dimensional picture of an external water box steam baking machine;

[0017] Figure 2 for Figure 1 Sectional view at AA in the middle;

[0018] Figure 3 for Figure 2 A partial enlarged view of point B in the middle;

[0019] Figure 4 It is a three-dimensional diagram of the water box and the base plate in the external water box steam baking machine;

[0020] Figure 5 It is a three-dimensional diagram of the base plate in the external water box steam baking machine;

[0021] Figure 6 for Figure 4 Sectional view at CC;

[0022] Figure 7 for Figure 6 A partial enlarged view of point D in the middle;

[0023] Figure 8 It is a three-dimensional diagram of the water box and the base plate in the external water box steam baking machine;

[0024] Fig. 9 for Figure 8 Exploded diagram of

[0025] Fig.10 for Fig. 9 A partial enlarged view of point E in the middle;

[0026] Fig.11 for Fig. 9 Cross-sectional view at FF;

[0027] Fig.12 for Fig.11 A partial enlarged view of the G in the middle;

[0028] Fig.13 This is an exploded view of the water box in an external water box steam oven;

[0029] Fig.14 for Fig.13 A partial enlarged view of the H in the middle;

[0030] Fig.15 It is a three-dimensional diagram of a self-locking water supply device in an external water box steam-bake all-in-one machine;

[0031] Fig.16 This is an exploded view of the self-locking water supply device in an external water box steam-bake all-in-one machine;

[0032] Fig.17 for Fig.15 Cross-sectional view at II in the middle. [Specific implementation method]

[0033] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] like Figure 1-17 The external water box steam baking machine shown includes a box body 100, wherein the box body 100 includes an outer shell and an inner liner forming a heat preservation cavity with the outer shell, a baking cavity is formed on the inner liner, and the box body 100 also includes a door body assembly arranged on the outer shell for opening and closing the baking cavity, a base plate 1 and a water box 2 that moves along the base plate 1 to be embedded in or protrudes from the box body 100 are provided in the box body 100, as can be seen from the figure, the base plate 1 is fixed on the outer shell, and after the water box 2 moves along the base plate 1 to be embedded in the box body 100, it is located in the heat preservation cavity, a pop-up water box mounting structure is provided on the water box 2 and the base plate 1, and the pop-up water box mounting structure includes a pop-up structure 3 that enables the water box 2 to move and protrude from the box body 100, and a positioning structure 4 that forces the water box 2 to be stationary relative to the base plate 1 when the water box 2 protrudes into place or is embedded in place, and a water storage cavity 50 and an external water inlet 53 that exposes the water storage cavity 50 are formed on the water box 2. The present invention realizes that the water box 2 is movably embedded in or movably protrudes from the box body 100 through the pop-up structure 3 and the positioning structure 4, and realizes external water supply through the external water inlet 53. This structure reduces the overall volume of the water box 2 while ensuring water supply, improves the space utilization of the oven, and at the same time, water collection does not require shutdown operation, which is convenient to use.

[0035] Further, as a preferred embodiment of the present invention but not limited thereto, the positioning structure 4 includes a positioning rod 42 provided on one of the substrate 1 and the water box 2, and a first positioning groove 41 provided on the other of the two for the positioning rod 42 to slide and engage with the positioning rod 42 when the water box 2 is protruding into place, and a positioning portion 43 provided in the first positioning groove 41 and engaging with the positioning rod 42 after the water box 2 is embedded into place, and the first positioning groove 41 extends along the moving direction of the water box 2. As can be seen from the figure, the first positioning groove 41 is provided on the substrate 1, and the positioning rod 42 is provided on the lower side of the water box 2. Wherein, when the water box 2 moves outward and protrudes into place, the positioning rod 42 engages with the outer side of the first positioning groove 41, and when the water box 2 moves inward and is embedded into place, the positioning rod 42 engages with the positioning portion 43. This structure prevents the water box 2 from continuing to move away from the box body 100 after protruding into place or the water box 2 from deviating after being embedded into place, thereby improving the stability of the structure.

[0036] Further, as a preferred embodiment of the present invention but not limited thereto, the first positioning groove 41 includes a first sub-positioning groove 411 extending in the moving direction of the water box 2, the first sub-positioning groove 411 is connected to a second sub-positioning groove 412 whose notch gradually increases in the direction away from the first sub-positioning groove 411, the second sub-positioning groove 412 is provided with the positioning portion 43 forming the introduction groove 5 and the outlet groove 6 therewith, the positioning portion 43 is formed with an arc-shaped bayonet 7 extending in the direction of the first sub-positioning groove 411, and it can be seen from the figure that the positioning portion 43 is Y-shaped. Among them, the introduction groove 5 and the outlet groove 6 play a guiding role, which facilitates the positioning rod 42 to be inserted into or separated from the arc-shaped bayonet 7.

[0037] Further, as a preferred embodiment of the present invention but not limiting, the second sub-positioning groove 412 is provided with an introduction clearance groove 8 and an export clearance groove 9 on the side opposite to the arc bayonet 7, the introduction clearance groove 8 is arranged opposite to the arc bayonet 7, and the export clearance groove 9 is arranged opposite to the export groove 6. The introduction clearance groove 8 and the export clearance groove 9 play a role of giving way, making it easier for the positioning rod 42 to be inserted into or removed from the arc bayonet 7, avoiding the situation where the positioning rod 42 cannot be inserted into or removed from the arc bayonet 7.

[0038] Further, as a preferred embodiment of the present invention but not limiting, the pop-up structure 3 includes a guide hole 31 provided on one of the substrate 1 and the water box 2 and extending along the moving direction of the water box 2, and includes an insertion strip 32 provided on the other of the two and moving along the guide hole 31, and includes a first elastic member 33 provided in the guide hole 31 and elastically pressing the insertion strip 32 toward the outside of the box 100. As can be seen from the figure, the guide hole 31 is provided on the water box 2, and the insertion strip 32 is provided on the substrate 1. Preferably, the first elastic member 33 is a spring. This setting realizes the pop-up of the water box 2, and has a simple structure and is easy to implement.

[0039] Further, as a preferred embodiment of the present invention but not limiting, the insert strip 32 is provided with an elastic damping member 10 elastically abutting against the inner wall of the guide hole 31. The elastic damping member 10 plays a buffering role, reduces the ejection speed of the water box 2, prevents the water box 2 from being instantly ejected and causing damage, and improves the service life of the product.

[0040] Further, as a preferred embodiment of the present invention but not limiting, the inserting strip 32 includes a sealing portion 321 elastically abutting against the inner wall of the guide hole 31, and a first positioning strip 322 for inserting the first elastic member 33 is provided on the sealing portion 321. The sealing portion 321 plays a buffering role, further reducing the ejection speed of the water box 2 and increasing the service life of the product. At the same time, the first positioning strip 322 plays a positioning role, preventing the first elastic member 33 from deviating and affecting the ejection effect.

[0041] Further, as a preferred embodiment of the present invention but not limiting, the insert 32 further includes a base 323 disposed on the substrate 1, and a first reinforcing rib 20 is disposed at the connection between the base 323 and the substrate 1, and the number of the first reinforcing ribs 20 is multiple, and the multiple first reinforcing ribs 20 are spaced around the circumference of the base 323. This arrangement improves the deformation resistance of the insert 32, prevents the insert 32 from deformation and fracture, and improves the service life of the product.

[0042] Further, as a preferred embodiment of the present invention but not limiting, the number of the guide holes 31 is multiple, and the multiple guide holes 31 are arranged at intervals on the water box 2. Preferably, the number of the guide holes 31 is two, and the two guide holes 31 are symmetrically arranged on the water box 2. This arrangement improves the stability of the movement of the water box 2, and has a simple structure and is easy to implement.

[0043] Further, as a preferred embodiment of the present invention but not limiting, the water box 2 and the base plate 1 are provided with a guide structure 30, and the guide structure 30 includes a guide slot 36 provided on one of the water box 2 and the base plate 1 and extending along the moving direction of the water box 2, and a guide rod 37 provided on the other of the two and slidably matched with the guide slot 36. As can be seen from the figure, the guide slot 36 is provided on the water box 2, and the guide rod 37 is provided on the base plate 1. This structure improves the stability of the movement of the water box 2, and has a simple structure and is easy to implement.

[0044] Further, as a preferred embodiment of the present invention but not limiting, a fixed pipeline type water inlet structure is provided on the water box 2 and the base plate 1, and the fixed pipeline type water inlet structure includes a water inlet pipe group 21 fixed on the base plate 1 and a water outlet pipe 22 connected to the water box 2, and the water outlet pipe 22 is inserted into or separated from the water inlet pipe group 21 as the water box 2 moves, wherein the water inlet pipe group 21 is a fixed pipeline. By adopting this structure, the problem of pipeline breakage or pipeline extrusion caused by the expansion and contraction of the water inlet pipe group 21 as the water box 2 moves is avoided, and the service life of the product is improved while further improving the space utilization rate of the box.

[0045] Further, as a preferred embodiment of the present invention but not limiting, the end of the water outlet pipe 22 away from the water box 2 is sleeved with a sealing ring 23 for elastically abutting against the inner wall of the water inlet pipe group 21. This arrangement improves the sealing performance when the pipeline is connected, avoids water leakage in the pipeline, and has a simple structure and is easy to implement.

[0046] Further, as a preferred embodiment of the present invention but not limiting, a first assembly groove 24 is formed on the water outlet pipe 22 to engage with the sealing ring 23. This arrangement improves the stability of the connection of the sealing ring 23 and prevents the sealing ring 23 from detaching.

[0047] Further, as a preferred embodiment of the present invention but not limiting, a detachable structure is provided on the water outlet pipe 22 and the water box 2, and the detachable structure includes a first through hole provided on the water outlet pipe 22, a second through hole provided on the water box 2, and a fastener inserted from the second through hole into the first through hole. This arrangement realizes a detachable connection between the water outlet pipe 22 and the water box 2, which is convenient for later maintenance.

[0048] Further, as a preferred embodiment of the present invention but not limited thereto, a positioning boss 26 extending and inserted into the water box 2 is formed on one side of the water outlet pipe 22 adjacent to the water box 2. This arrangement improves the stability of the connection of the water outlet pipe 22 and the positioning accuracy of the assembly, and prevents the water outlet pipe 22 from falling off.

[0049] Further, as a preferred embodiment of the present invention but not limiting, a second assembly groove 27 is provided on the side of the water outlet pipe 22 opposite to the water box 2, and a sealing gasket 28 is provided in the second assembly groove 27. This arrangement improves the sealing performance when the pipeline is connected and prevents water leakage in the pipeline.

[0050] Further, as a preferred embodiment of the present invention but not limiting, the water inlet pipe group 21 includes a reversing pipe 211 arranged on the substrate 1, the reversing pipe 211 is provided with a second water inlet plugged with the water outlet pipe 22 and a second water outlet arranged on the same side as the second water inlet, and the second water outlet is plugged with a water inlet pipe 214 having one end extending and fixed on the substrate 1. This structure is compact and reasonable, which facilitates the plugging and matching of the water outlet pipe 22 and the reversing pipe 211 and is easy to implement.

[0051] Furthermore, as a preferred embodiment of the present invention but not limited thereto, a wastewater recovery structure 40 is further included, and the wastewater recovery structure 40 includes an upper drainage through hole 47 provided on the substrate 1 and a lower drainage through hole 48 provided on the box body 100 and connected to the upper drainage through hole 47. When the water outlet pipe 22 is separated from the reversing pipe 211, the water in the water box 2 will flow into the substrate 1, and then flow out of the box body 100 through the upper drainage through hole 47 and the lower drainage through hole 48, thereby avoiding the presence of water in the box body 100 to cause machine failure and prolong the service life of the product.

[0052] Further, as a preferred embodiment of the present invention but not limiting, a waste water tank 49 is provided on the side of the substrate 1 opposite to the water outlet pipe 22, the waste water tank 49 is formed with the upper drainage through hole 47, and a water collecting tank 44 located below the waste water tank 49 is detachably connected to the box body 100. This arrangement facilitates the collection of water flowing out of the water box 2, has a simple structure, and is easy to implement.

[0053] Further, as a preferred embodiment of the present invention but not limiting, the upper drainage through hole 47 is provided with an upper flange 45 extending downward, and the lower drainage through hole 48 is provided with a lower flange 46 extending upward and plugging with the upper flange 45. This arrangement facilitates the positioning and installation of the base plate 1, while preventing water from flowing into the box 100 to cause machine failure, thereby extending the service life of the product.

[0054] Further, as a preferred embodiment of the present invention but not limited thereto, the water box 2 includes a box body 51 formed with the water storage chamber 50 and a box cover 52 covering the box body 51, the box cover 52 includes a lower box cover 521 covering the box body 51, the lower box cover 521 is formed with the external water inlet 53, the lower box cover 521 is provided with an upper box cover 522 for opening and closing the external water inlet 53, and the lower box cover 521 is formed with a retracting notch 54 for allowing the upper box cover 522 to slide into the water storage chamber 50 after the upper box cover 522 is fully opened. The retracting notch 54 is used to realize the retracting of the upper box cover 522, thereby avoiding interference between the external water source container and the upper box cover 522, improving space utilization, and enabling the water box 2 to adapt to external water source containers of different sizes, and being flexible and convenient to use.

[0055] Further, as a preferred embodiment of the present invention but not limited thereto, the lower box cover 521 is hinged to the upper box cover 522. Specifically, a hinge hole 55 is formed on the lower box cover 521, and a hinge rod 56 hingedly matched with the hinge hole 55 is formed on the upper box cover 522. The folding notch 54 includes a first notch 541 provided on the hinge hole 55 and a second notch 542 connecting the two first notches 541. This structure realizes the folding of the upper box cover 522, and has a simple structure and is easy to implement.

[0056] Further, as a preferred embodiment of the present invention but not limiting, the folding notch 54 extends along the axial direction of the external water inlet 53. As can be seen from the figure, the folding notch 54 and the external water inlet 53 are arranged perpendicular to the lower box cover 521, and this arrangement is compact and reasonable, which facilitates the pulling out and folding of the upper box cover 522.

[0057] Further, as a preferred embodiment of the present invention but not limiting, a sunken shoulder 57 for supporting the upper cover 522 is formed on the lower cover 521, and the sunken shoulder 57 is provided with the external water inlet 53 and the retracted notch 54. This arrangement improves the anti-deformation ability of the lower cover 521, and at the same time, prevents the lower cover 521 from sinking and deforming, thereby extending the service life of the product.

[0058] Further, as a preferred embodiment of the present invention but not limiting, a connection structure 60 is provided between the lower box cover 521 and the upper box cover 522. Specifically, the connection structure 60 includes a clamping groove 61 provided on the lower box cover 521 and a clamping strip 62 provided on the upper box cover 522 and elastically abutting against the clamping groove 61, and the clamping groove 61 is provided opposite to the hinge hole 55. This structure realizes the connection and fixation of the lower box cover 521 and the upper box cover 522, and has a simple structure and is easy to implement.

[0059] Further, as a preferred embodiment of the present invention but not limiting, the connection structure 60 further includes a clamping hole provided on one of the lower box cover 521 and the upper box cover 522 and a convex portion 64 provided on the other of the two and engaging with the clamping hole. As can be seen from the figure, the clamping hole is provided on the clamping groove 61, and the convex portion 64 is provided on the clamping strip 62. This arrangement can further improve the connection and fixation between the lower box cover 521 and the upper box cover 522, and has a simple structure and is easy to implement.

[0060] Further, as a preferred embodiment of the present invention but not limiting, the box body 51 is provided with a folding slot 65 for the upper box cover 522 to be inserted at a position relative to the folding notch 54. This arrangement facilitates the positioning and fixing of the upper box cover 522 when the upper box cover 522 enters the water storage chamber 50, prevents the upper box cover 522 from being separated from the folding notch 54, and makes the overall structure more compact and stable.

[0061] Furthermore, as a preferred embodiment of the present invention but not a limitation, the external water inlet 53 is detachably connected to a self-locking water supply device for an external water source, specifically, the self-locking water supply device includes an outer shell 70 plugged into the external water inlet 53, the outer shell 70 is embedded with an inner shell 72 forming a water inlet cavity 71 therewith, a third water inlet 73 is formed on the outer shell 70, a third water outlet 74 is formed on the inner shell 72, a sealing mechanism 80 that can be moved to close or move away from the third water outlet 74 is provided in the water inlet cavity 71, and a ejector pin 86 that moves the sealing mechanism 80 away from the third water outlet 74 is provided on the box body 51. The external water source is connected to the water box 2 through the self-locking water supply device. When the self-locking water supply device is not inserted into the external water inlet 53, under the action of the blocking mechanism 80, the third water outlet 74 is in a closed state, and the self-locking of the external water source is realized. When the self-locking water supply device is inserted into the external water inlet 53, under the action of the ejector pin 86, the blocking mechanism 80 moves away from the third water outlet 74, and the external water source can flow into the water storage chamber 50 through the water inlet chamber 71 to complete the water supply of the water box 2. This structure realizes the self-locking of the external water supply and the external water source, and has a simple structure and is easy to implement.

[0062] Further, as a preferred embodiment of the present invention but not a limitation, the blocking mechanism 80 includes a sealing ball 81 disposed in the water inlet chamber 71 and a second elastic member 82 that drives the sealing ball 81 to move and close the third water outlet 74. When the self-locking water supply device is not inserted into the external water inlet 53, under the action of the second elastic member 82, the sealing ball 81 will fit on the third water outlet 74 to make the third water outlet 74 in a closed state, and when the self-locking water supply device is inserted into the external water inlet 53, under the action of the ejector pin 86, the sealing ball 81 will move away from the third water outlet 74 to make the third water outlet 74 in an open state. This structure realizes the self-locking of the external water supply and the external water source, and has a simple structure and is easy to implement.

[0063] Further, as a preferred embodiment of the present invention but not limiting, a side of the housing 70 opposite to the third water outlet 74 is provided with a clearance hole 75 extending along its axial direction. When the self-locking water supply device is in an idle state, the self-locking water supply device can be turned 90° and inserted into the external water inlet 53, at which time the clearance hole 75 is plugged and matched with the ejector pin 86. This structure facilitates the storage of the self-locking water supply device, has a simple structure, and is easy to implement.

[0064] Further, as a preferred embodiment of the present invention but not a limitation, the outer shell 70 includes an end 701 coaxially arranged with the inner shell 72 and embedded with the inner shell 72, and an axial side of the end 701 is provided with a connecting portion 702 distributed in a step-like manner therewith, and the connecting portion 702 is formed with the third water inlet 73 arranged opposite to the third water outlet 74, wherein the connecting portion 702 is used for plugging and matching with an external water source container, wherein the third water inlet 73 and the third water outlet 74 are arranged opposite to each other to facilitate the water source to flow into the water storage chamber 50 under the action of gravity.

[0065] Further, as a preferred embodiment of the present invention but not limiting, the number of the connecting parts 702 is multiple, and the multiple connecting parts 702 are sequentially connected in the axial direction thereof, and the apertures of the multiple connecting parts 702 gradually decrease in the direction away from the third water outlet 74. This arrangement enables the self-locking water supply device to be adapted to a variety of external containers with different apertures, making it more flexible and convenient to use.

[0066] Further, as a preferred embodiment of the present invention but not limiting, the inner side of the inner shell 72 is provided with a fourth positioning strip 76 extending along the axial direction thereof, and the number of the fourth positioning strips 76 is multiple, and the multiple fourth positioning strips 76 are arranged at intervals around the circumference of the inner shell 72. The arrangement of the fourth positioning strips 76 can prevent the sealing ball 81 from deviating from its position and affecting the sealing performance.

[0067] Further, as a preferred embodiment of the present invention but not limiting, one of the outer shell 70 and the inner shell 72 is provided with a second positioning bar 78 extending along its axial direction, and the other of the two is provided with a second positioning groove 79 for inserting the second positioning bar 78. As can be seen from the figure, the second positioning bar 78 is provided on the inner shell 72, and the second positioning groove 79 is provided on the outer shell 70. This structure realizes the connection and positioning of the outer shell 70 and the inner shell 72, and has a simple structure and is easy to implement.

[0068] Further, as a preferred embodiment of the present invention but not limiting, the third water outlet 74 is provided with a second reinforcing rib 84, and the second reinforcing rib 84 extends in a direction away from the water inlet cavity 71. This arrangement improves the anti-deformation capability of the third water outlet 74.

[0069] Further, as a preferred embodiment of the present invention but not limiting, the outer side of the housing 70 is provided with a third positioning strip 77 extending along its axial direction, and the external water inlet 53 is provided with a third positioning groove 85 plugged with the third positioning strip 77. This structure realizes the connection and positioning between the housing 70 and the water box 2, and has a simple structure and is easy to implement.

[0070] Further, as a preferred embodiment of the present invention but not limiting, the number of the third positioning strips 77 is multiple, and the multiple third positioning strips 77 are spaced around the circumference of the housing 70. This structure further improves the stability of the connection between the housing 70 and the water box 2, has a simple structure, and is easy to implement.

[0071] It should be understood that the terms "first", "second", etc. are used in this application to describe various information, but this information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this 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 cannot be understood as a limitation on this application.

[0072] As described above, one or more implementation methods are provided in combination with specific contents, and the specific implementation of this application is not limited to these descriptions. Any similarity or similarity with the method, structure, etc. of this application, or some technical deductions or replacements made based on the concept of this application should be considered as the protection scope of this application.

Claims

1. An external water box steam baking machine, comprising a box body (100), characterized in that: The box body (100) is provided with a base plate (1) and a water box (2) that is movably embedded in or protrudes from the box body (100) along the base plate (1); a pop-up water box installation structure is provided on the water box (2) and the base plate (1); the pop-up water box installation structure comprises a pop-up structure (3) that enables the water box (2) to move and protrude from the box body (100) and a positioning structure (4) that forces the water box (2) to remain stationary relative to the base plate (1) when the water box (2) is protruding into position or embedded into position; and an external water inlet (53) is formed on the water box (2); The positioning structure (4) comprises a positioning rod (42) arranged on one of the base plate (1) and the water box (2), and a first positioning groove (41) arranged on the other of the base plate (1) and for the positioning rod (42) to slide on and to engage with the positioning rod (42) after the water box (2) is protruded into place, and a positioning portion (43) arranged in the first positioning groove (41) and to engage with the positioning rod (42) after the water box (2) is embedded into place. The first positioning groove (41) comprises a first sub-positioning groove (411) extending in the moving direction of the water box (2); the first sub-positioning groove (411) is connected to a second sub-positioning groove (412) whose notch gradually increases in a direction away from the first sub-positioning groove (411); the second sub-positioning groove (412) is provided with the positioning portion (43) which forms an inlet groove (5) and an outlet groove (6) with the positioning portion (43); the positioning portion (43) is formed with an arc-shaped bayonet (7) extending in the direction of the first sub-positioning groove (411); the second sub-positioning groove (412) is provided with an inlet clearance groove (8) and an outlet clearance groove (9) on a side opposite to the arc-shaped bayonet (7); the inlet clearance groove (8) is arranged opposite to the arc-shaped bayonet (7), and the outlet clearance groove (9) is arranged opposite to the outlet groove (6); The pop-up structure (3) comprises a guide hole (31) provided on one of the base plate (1) and the water box (2) and extending along the moving direction of the water box (2), and an insertion strip (32) provided on the other of the base plate (1) and moving along the guide hole (31), and a first elastic member (33) provided in the guide hole (31) and elastically pressing the insertion strip (32) toward the outside of the box body (100), wherein the insertion strip (32) is provided with an elastic damping member (10) elastically abutting against the inner wall of the guide hole (31); The insertion strip (32) comprises a sealing portion (321) elastically abutting against the inner wall of the guide hole (31), and a first positioning strip (322) for inserting the first elastic member (33) is provided on the sealing portion (321).

2. The external water box steam baking machine according to claim 1, characterized in that: The water box (2) and the base plate (1) are provided with a fixed pipeline type water inlet structure, the fixed pipeline type water inlet structure comprising a water inlet pipe group (21) fixedly arranged on the base plate (1) and a water outlet pipe (22) connected to the water box (2), the water outlet pipe (22) being inserted into or separated from the water inlet pipe group (21) as the water box (2) moves.

3. The external water box steam baking machine according to claim 2, characterized in that: The water inlet pipe group (21) comprises a reversing pipe (211) arranged on the base plate (1), the reversing pipe (211) being provided with a second water inlet plugging with the water outlet pipe (22) and a second water outlet arranged on the same side as the second water inlet, the second water outlet being plugged with a water inlet pipe (214) having one end extending and fixed on the base plate (1).

4. The external water box steam baking machine according to claim 1, characterized in that: The water box (2) comprises a box body (51) formed with a water storage cavity (50) and a box cover (52) covering the box body (51); the box cover (52) comprises a lower box cover (521) covering the box body (51); an external water inlet (53) for exposing the water storage cavity (50) is formed on the lower box cover (521); an upper box cover (522) for opening and closing the external water inlet (53) is provided on the lower box cover (521); a retracting notch (54) is formed on the lower box cover (521) for enabling the upper box cover (522) to slide into the water storage cavity (50) after the upper box cover (522) is fully opened; and a retracting slot (65) for inserting the upper box cover (522) is provided on the box body (51) at a position opposite to the retracting notch (54).

5. The external water box steam baking machine according to claim 1, characterized in that: A self-locking water supply device is detachably connected to the external water inlet (53), the self-locking water supply device comprising an outer shell (70) plugged into and matched with the external water inlet (53), an inner shell (72) is embedded in the outer shell (70) and forms a water inlet cavity (71) therewith, a third water inlet (73) is formed on the outer shell (70), a third water outlet (74) is formed on the inner shell (72), a blocking mechanism (80) is provided in the water inlet cavity (71) and can be moved to close or move away from the third water outlet (74), and a pin (86) is provided on the water box (2) to enable the sealing ball (81) to be separated from the third water outlet (74).

6. The external water box steam baking machine according to claim 5, characterized in that: The blocking mechanism (80) comprises a sealing ball (81) arranged in the water inlet chamber (71) and a second elastic member (82) which enables the sealing ball (81) to move and close the third water outlet (74).

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