Oven with detachable baking cavity built-in structure

Abstract

The invention provides an oven with a detachable baking cavity built-in structure. The oven comprises an oven body and a baking cavity formed in the oven body, and a containing cavity is formed between the outer wall of the baking cavity and the inner wall of the oven body; the box door is arranged on one side of the opening of the box body; a detachable bracket structure is arranged in the baking cavity and is used for supporting and erecting a baking appliance; the electric heating tube is detachably mounted on the bracket structure; a plurality of locking structures for locking the bracket structure are mounted in the accommodating cavity, and when the bracket structure is locked by the locking structures, the electric heating tube is synchronously connected into a circuit of the oven; an unlocking mechanism for unlocking the locking structure is mounted in the accommodating cavity, and an adjusting part of the unlocking mechanism extends out of the top surface of the box body; the internal supporting structure and the electric heating tube can be detached, so that the baking cavity and detached parts can be cleaned conveniently, and the detached parts can be detached, mounted and replaced conveniently.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ovens, more particularly, to an oven with a detachable built-in structure in the oven cavity. BACKGROUND

[0002] An oven is a common household appliance, which mainly heats food through an electric heating tube; In the actual use process, food residues and oil stains will inevitably adhere to the inner cavity and the electric heating tube, which need to be cleaned to maintain overall cleanliness and prolong the service life;

[0003] At present, the main methods for supporting the baking appliance inside the oven are as follows: one is to recess a shaped support groove in the cavity wall of the baking cavity for clamping the baking appliance; the other is to install shelves on both sides of the baking cavity to support the baking appliance; the former is not detachable and has many pits, which are easy to accumulate dirt and are difficult to clean; the latter is partially detachable and partially not detachable, and the non-detachable structure has more blocking parts and is more difficult to clean; for the oven with detachable shelves, the shelves can be detached and cleaned, but it still has another defect, which is common in current ovens, that is, the electric heating tube cannot be detached and is installed in the middle position, which forms many dead angle parts and is difficult to clean. SUMMARY

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the present application is to provide an oven with a detachable built-in structure in the oven cavity, which can detach the internal support structure and the electric heating tube, facilitate cleaning of the baking cavity and the detached parts, and facilitate disassembly, replacement and assembly of the detached parts.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides an oven with a detachable built-in structure in the oven cavity, which comprises a box body, a baking cavity arranged in the box body, a box door arranged on one side of the opening of the box body, a support structure arranged in the baking cavity, and an electric heating tube detachably arranged on the support structure; the outer wall of the baking cavity and the inner wall of the box body form a containing cavity; the support structure is used to support and arrange baking appliances; the electric heating tube is detachably arranged on the support structure; a plurality of locking structures for locking the support structure are arranged in the containing cavity; when the locking structures lock the support structure, the electric heating tube is connected to the circuit of the oven; an unlocking mechanism for unlocking the locking structures is arranged in the containing cavity; and an adjusting part of the unlocking mechanism extends out of the top surface of the box body.

[0007] In the preferable technical scheme of the present application, the rack structure comprises a first clamping strip and a second clamping strip, the first clamping strip and the second clamping strip are fixedly connected through a plurality of vertically arranged supporting members, the plurality of supporting members are uniformly spaced along the length direction of the first clamping strip; the supporting member is formed into a plurality of supporting groove portions through bending; the top wall of the baking cavity is provided with a first clamping groove on both sides, and the bottom wall is provided with a second clamping groove on both sides; the shape of the first clamping groove is matched with the shape of the first clamping strip, and the shape of the second clamping groove is matched with the shape of the second clamping strip; the rack structure is installed on both sides of the inside of the baking cavity in pairs, and the opposite supporting groove portions are used for erecting and supporting the baking appliance; the electric heating tube is installed between the opposite clamping strips; the locking structure is used for locking the first clamping strip and the second clamping strip.

[0008] In the preferable technical scheme of the present application, two first perforations are arranged on the first clamping strip and the second clamping strip; a pipe seat is fixedly arranged outside the end portion of the first perforation close to the center of the baking cavity, and the electric heating tube is clamped and installed between the two opposite pipe seats; a plurality of second perforations are arranged on the two side walls of the baking cavity, and the positions of the second perforations correspond to the positions of the first perforations; the locking structure is correspondingly installed on the outer wall of the baking cavity, and a retractable locking tongue is arranged on the locking structure and corresponds to the second perforation; the extended locking tongue penetrates through the second perforation and extends into the first perforation, thereby locking the rack structure.

[0009] In the preferable technical scheme of the present application, the locking structure comprises a supporting frame, a pushing frame and a first limiting frame; the supporting frame comprises a first supporting plate, and two first supporting blocks are fixedly arranged on the first supporting plate away from the wall surface of the baking cavity; a first guide hole penetrating through the first supporting plate is arranged on the first supporting block, and the position of the first guide hole corresponds to the position of the second perforation; a first clamping hole is arranged on one side of the first guide hole close to the center of the first supporting plate; the pushing frame comprises a first frame strip, and a first pushing block is fixedly arranged on the end portion of the first frame strip; the shape of the first pushing block is matched with the shape of the first guide hole, and the shape of the first frame strip is matched with the shape of the first clamping hole; a locking tongue is fixedly arranged on the first pushing block close to the wall surface of the supporting frame; the locking tongue is in the form of a columnar structure, and the diameter of the locking tongue is matched with the diameters of the second perforation and the first perforation; the pushing frame is arranged between the two first supporting blocks and slides along the first guide hole; a second pushing block is fixedly arranged on the middle portion of the first frame strip; the first limiting frame is installed between the two first supporting blocks through screws, a first sleeve is fixedly arranged on the middle portion of the first limiting frame, a first spring is arranged at the first sleeve, and the other end of the first spring abuts against the second pushing block, thereby providing the pushing frame with a pushing elastic force in the direction of the first supporting plate; the unlocking mechanism is linked with the second pushing block, and the locking tongue is separated from the first perforation by reversely pushing the second pushing block, thereby releasing the locking.

[0010] In the preferable technical scheme of the present application, a third perforation penetrating through the first pushing block is arranged on the locking tongue, and a spring needle is arranged in the third perforation; when the locking structure is in the state of locking the rack structure, the locking tongue extends into the first perforation, and the spring needle is in contact with the electrically connected end of the electric heating tube to conduct electricity.

[0011] In the preferred technical scheme of the present application, the top surface of the box is provided with a second guide hole corresponding to the second push block; the unlocking mechanism comprises a push rod member, a second spring, a guide bolt and a clamping structure; the guide bolt is installed at the bottom of the box and extends into the accommodating cavity; the bottom of the push rod member is provided with a third guide hole, the diameter of the third guide hole is matched with the diameter of the light pole part of the guide bolt, and the bottom of the push rod member slides along the guide bolt through the third guide hole; the top of the push rod member slides along the second guide hole; the second spring is sleeved on the guide bolt to provide the push rod member with upward pushing elastic force; when the push rod member moves downward, the second push block is pushed to move away from the support frame, so that the lock tongue and the spring needle are separated from the first perforation; the clamping structure is installed at the top of the box to lock the push rod member after moving downward, thereby maintaining the state that the lock tongue and the spring needle are separated from the first perforation.

[0012] In the preferred technical scheme of the present application, the first sliding groove is vertically extended and penetrates the upper and lower walls of the second push block; the top of the wall surface of the second push block close to the support frame is provided with an inclined first sliding surface; the push rod member comprises a push rod, the shape of the push rod is matched with the shape of the first sliding groove; the top end of the push rod is fixedly provided with a first push head, the top of the first push head is matched with the shape of the second guide hole, the bottom end of the push rod is fixedly provided with a first push plate on one side, and the third guide hole is arranged on the first push plate; the push rod is provided with a third push block corresponding to the second push block, the bottom of the third push block away from the first support plate is provided with an inclined second sliding surface, and the second sliding surface is in sliding abutment with the first sliding surface; when the push rod member moves downward, the third push block pushes the second push block to move away from the support frame; the first push head is fixedly provided with a first stop block protruding outward away from the first support plate, when the first stop block moves to a preset position, the clamping structure limits the first stop block, so that the push rod member is in a pressed state; the clamping structure can be adjusted to release the limitation of the first stop block.

[0013] In the preferable technical scheme of the present application, the clamping structure comprises a second limiting frame, a third spring and a locking piece; the locking piece comprises a second push head and a fourth push block; the bottom surface of the second push head is fixedly provided with a first sliding block, the fourth push block is fixedly provided at one end of the bottom surface of the first sliding block, and a third clamping groove is formed between the top surface of the fourth push block and the bottom surface of the second push head outside both ends of the first sliding block; the top surface of the box body is provided with a second clamping opening at both ends of the edge in correspondence, the locking piece is slidably clamped in the second clamping opening through the third clamping groove; the second limiting frame is installed on the top inner wall of the box body through a screw, the second limiting frame is arranged on the side of the fourth push block away from the push rod piece, and the second limiting frame is provided with a fourth guide hole; the side of the fourth push block close to the second limiting frame is fixedly provided with a first guide rod, the first guide rod is in position correspondence with the fourth guide hole, and the first guide rod slides along the fourth guide hole; the third spring is sleeved on the first guide rod to provide a pushing force in the direction of the push rod piece for the locking piece; the side of the fourth push block close to the push rod piece is fixedly provided with a second stop block, and the top surface of the second stop block is provided with an inclined fourth sliding surface; the bottom surface of the first stop block is provided with a third sliding surface matched with the fourth sliding surface.

[0014] In the preferable technical scheme of the present application, the shielding structure is installed on the outer wall of the baking cavity, and the shielding structure is linked and matched with the bracket structure; when the bracket structure is detached, the shielding structure shields and blocks the port of the second perforation outside the baking cavity; when the bracket structure is installed in place, the shielding structure unblocks the shielding and blocking of the second perforation.

[0015] In the preferred technical scheme of the present application, the two outer walls of the baking cavity are each provided with two second sliding grooves, two second through holes at the same height fall in the same second sliding groove, and the end of the second sliding groove away from the box door extends to the rear wall of the baking cavity; the first supporting plate cover is arranged on the outside of the second sliding groove to shield the slot of the second sliding groove and form a sliding channel; the end of the first clamping groove and the second clamping groove away from the box door is provided with a sixth through hole penetrating through the outer wall of the baking cavity; the end of the first clamping strip and the second clamping strip is correspondingly provided with a third push plate, and the third push plate can extend out of the rear wall of the baking cavity through the sixth through hole; the shielding structure comprises a blocking piece, a fourth spring and a third limiting frame; the third limiting frame is arranged on the rear wall of the baking cavity by screws and is located on the outside of the sixth through hole; the blocking piece comprises a blocking plate, two fifth through holes are correspondingly arranged on the blocking plate, the hole diameter of the fifth through hole is the same as that of the second through hole, and the spacing between the two fifth through holes is consistent with the spacing between the two second through holes; a second push plate is fixedly arranged on the end of the blocking plate away from the box door, the second push plate extends into the interior of the third limiting frame and extends to the outside of the sixth through hole; a second guide rod is fixedly arranged on the wall surface of the second push plate away from the blocking plate; the third limiting frame is correspondingly provided with a fifth guide hole, and the second guide rod slidably penetrates through the fifth guide hole; the fourth spring is sleeved on the second guide rod, and the fourth spring is clamped between the second push plate and the third limiting frame to provide the blocking piece with a pushing force in the direction of the box door; when the shelf supporting structure is detached, the blocking piece moves to a preset position under the action of the fourth spring, and the blocking plate shields and blocks the port of the second through hole; when the shelf supporting structure is installed in place, the third push plate pushes the blocking piece to move by a preset distance, the blocking plate unblocks the shielding and blocking of the second through hole, and the fifth through hole is aligned with the second through hole for conduction.

[0016] The present application has the following advantages:

[0017] The present application provides an oven with a detachable built-in structure in the baking cavity, the baking cavity is provided with a detachable shelf supporting structure, the shelf supporting structure is used for supporting and arranging baking appliances; the electric heating pipe is detachably arranged on the shelf supporting structure; this structure design can realize the detachment of the shelf supporting structure and the electric heating pipe from the baking cavity, reduce the cleaning dead angle formed by the shelf supporting structure and the electric heating pipe in the interior, and facilitate the cleaning of the interior of the baking cavity; the detached shelf supporting structure and the electric heating pipe can be further detached and separated, which can further facilitate the cleaning of the parts; and, it also means that the electric heating pipe can be conveniently detached, replaced and maintained.

[0018] A plurality of locking structures for locking the rack supporting structure are installed in the accommodating cavity, and when the locking structures lock the rack supporting structure, the electric heating tube is connected to the circuit of the oven synchronously; an unlocking mechanism for unlocking the locking structures is installed in the accommodating cavity, and the adjusting part of the unlocking mechanism extends out of the top surface of the box body; the rack supporting structure is locked by the locking structure, so that it can only be unlocked after the unlocking mechanism is adjusted in place, maintaining the stable working state of the rack supporting structure, and at least preventing displacement and loosening when the baking appliance is taken out; and the locking structure also serves as an intermediate structure for connecting the electric heating tube to the circuit of the oven, realizing conductive contact while completing the locking action, which can meet the power connection demand of the electric heating tube and improve the overall operation safety. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective structural schematic diagram of an oven with a detachable baking cavity built-in structure provided in a specific embodiment of the present application;

[0020] Figure 2 is a first-view internal structural schematic diagram of an oven with a detachable baking cavity built-in structure provided in a specific embodiment of the present application;

[0021] Figure 3 is a second-view internal structural schematic diagram of an oven with a detachable baking cavity built-in structure provided in a specific embodiment of the present application;

[0022] Figure 4 is an internal structural development schematic diagram of an oven with a detachable baking cavity built-in structure provided in a specific embodiment of the present application;

[0023] Figure 5 is a first-view perspective structural schematic diagram of a box body provided in a specific embodiment of the present application;

[0024] Figure 6 is a second-view perspective structural schematic diagram of a box body provided in a specific embodiment of the present application;

[0025] Figure 7 is a perspective structural schematic diagram of a rack supporting structure provided in a specific embodiment of the present application;

[0026] Figure 8 is a first-view perspective structural schematic diagram of a locking structure provided in a specific embodiment of the present application;

[0027] Figure 9 is a second-view perspective structural schematic diagram of a locking structure provided in a specific embodiment of the present application;

[0028] Figure 10 is a first-view perspective development structural schematic diagram of a locking structure provided in a specific embodiment of the present application;

[0029] Figure 11 is a perspective view of the second view of the locking structure provided in the specific embodiment of the present application;

[0030] Figure 12 is a perspective view of the unlocking mechanism provided in the specific embodiment of the present application;

[0031] Figure 13 is a perspective view of the push rod provided in the specific embodiment of the present application;

[0032] Figure 14 is a perspective view of the locking piece provided in the specific embodiment of the present application;

[0033] Figure 15 is a perspective view of the shielding structure provided in the specific embodiment of the present application.

[0034] In the drawings:

[0035] 100, box body; 110, baking cavity; 111, first clamping groove; 112, second clamping groove; 113, second through hole; 114, second sliding groove; 115, sixth through hole; 120, second guide hole; 130, second clamping opening;

[0036] 200, shelf structure; 210, first clamping strip; 220, second clamping strip; 230, support piece; 231, clamping groove part; 240, first through hole; 250, pipe seat; 260, third push plate;

[0037] 300, locking structure; 310, support frame; 311, first support plate; 312, first support block; 313, first guide hole; 314, first clamping opening; 320, push frame; 321, first frame strip; 322, first push block; 323, locking tongue; 324, second push block; 325, first sliding groove; 326, first sliding surface; 330, first limiting frame; 331, first sleeve; 340, first spring; 350, spring needle;

[0038] 400, unlocking mechanism; 410, push rod; 411, push rod; 412, first push head; 413, first push plate; 414, third guide hole; 415, third push block; 416, second sliding surface; 417, first blocking block; 418, third sliding surface; 420, second spring; 430, guide bolt; 500, clamping structure; 510, second limiting frame; 511, fourth guide hole; 520, third spring; 530, locking piece; 531, second push head; 532, fourth push block; 533, third clamping groove; 534, first guide rod; 535, second blocking block; 536, fourth sliding surface;

[0039] 600, shielding structure; 610, blocking piece; 611, baffle; 612, fifth through hole; 613, second push plate; 614, second guide rod; 620, fourth spring; 630, third limiting frame; 631, fifth guide hole; 700, electric heating tube. DETAILED DESCRIPTION

[0040] The technical solutions of the present application will be further illustrated below in combination with the drawings and through specific embodiments.

[0041] As Figures 1 to 4 shown, a specific embodiment of the present application discloses an oven with a detachable baking cavity built-in structure, which comprises a box body 100, a baking cavity 110 arranged in the box body 100, a containing cavity formed between the outer wall of the baking cavity and the inner wall of the box body, a box door installed on one side of the opening of the box body, a detachable shelf structure 200 arranged in the baking cavity 110, the shelf structure being used for supporting a baking appliance, an electric heating tube 700 detachably installed on the shelf structure 200, a plurality of locking structures 300 for locking the shelf structure 200 installed in the containing cavity, the locking structure 300 synchronously making the electric heating tube 700 connected to the circuit of the oven when locking the shelf structure 200, and an unlocking mechanism 400 for unlocking the locking structure 300 installed in the containing cavity, the adjusting part of the unlocking mechanism extending out of the top surface of the box body.

[0042] The oven with the detachable baking cavity built-in structure, the shelf structure detachable from the baking cavity, and the structure design of the electric heating tube detachably installed on the shelf structure can realize the detachment of the shelf structure and the electric heating tube from the baking cavity, reduce the cleaning dead angle formed by the shelf structure and the electric heating tube inside, and facilitate the cleaning of the inside of the baking cavity. The detached shelf structure and the electric heating tube can be further detached and separated, which can further facilitate the cleaning of the parts. Also, it means that the electric heating tube can be conveniently detached, replaced, and maintained.

[0043] Moreover, the locking structure can lock the shelf structure, so that the shelf structure can be unlocked only after the unlocking mechanism is adjusted in place, thereby maintaining the stable working state of the shelf structure and at least preventing the shelf structure from being displaced and loosened with the taking and placing of the baking appliance. Moreover, the locking structure also serves as an intermediate structure for connecting the electric heating tube to the circuit of the oven, realizes the conductive contact while completing the locking action, can meet the power connection requirement of the electric heating tube, and can improve the overall operation safety.

[0044] Further, as Figure 7As shown, the rack structure 200 includes a first clamping strip 210 and a second clamping strip 220, and the first clamping strip 210 and the second clamping strip 220 are fixedly connected through a plurality of vertically arranged support members 230. The support members 230 are bent to form a plurality of rack groove portions 231. The plurality of support members are uniformly spaced along the length direction of the first clamping strip, and form a plurality of rack groove portions with the same height. The baking appliance can be supported at multiple points, so that stable support can be achieved.

[0045] As shown in Figure 5 , Figure 6 , the top wall of the baking cavity 110 is provided with a first clamping groove 111 on both sides, and the bottom wall is provided with a second clamping groove 112 on both sides. The shape of the first clamping groove 111 is adapted to the shape of the first clamping strip 210, and the shape of the second clamping groove 112 is adapted to the shape of the second clamping strip 220. The rack structure 200 is installed in pairs on both sides of the inside of the baking cavity 110, and the opposite rack groove portions are used to erect and support the baking appliance. The electric heating tube is installed between the opposite clamping strips. The locking structure 300 is used to lock the first clamping strip 210 and the second clamping strip 220. The first clamping groove and the second clamping groove are both L-shaped groove structures, which can effectively limit the first clamping strip and the second clamping strip, so that they cannot move left and right or loosen up and down. Then, the first clamping strip and the second clamping strip are limited by the locking structure, so they cannot move forward and backward, which means that the entire rack structure is locked, and the rack structure is stably installed in the baking cavity. When disassembled later, the disassembly can be achieved by pulling outwards after unlocking.

[0046] Further, as shown in Figure 7 , two first perforations 240 are provided on the first clamping strip 210 and the second clamping strip 220. A tube seat 250 is fixedly provided outside the end portion of the first perforation 240 close to the center of the baking cavity. The electric heating tube 700 is clamped and installed between the two opposite tube seats 250. A ceramic clamp head is installed on the outside of the power connection end of the electric heating tube. The clamp head is fixedly provided with a protrusion. A third sliding groove is provided on the top of the end port of the insertion end of the tube seat. A fourth clamping groove is provided on one side of the end portion of the third sliding groove away from the insertion end. The width of the fourth clamping groove is adapted to the axial length of the protrusion. The fourth clamping groove extends along the rotation track of the protrusion and has an arc shape structure. The electric heating tube is clamped and installed on the tube seat through the clamp head. The electric heating tube can be disassembled only after being rotated and adjusted in place. During installation, the tube seat is inserted into the third sliding groove, and then the electric heating tube is rotated to complete the clamping and installation. The overall disassembly and assembly operation is simple.

[0047] As shown in Figure 5 , Figure 6 , a plurality of second perforations 113 are provided on the two side walls of the baking cavity 110. The positions of the second perforations correspond to the positions of the first perforations. As shown in Figure 2 , Figure 3 and Figure 8 ,As shown, the locking structure 300 is correspondingly mounted on the outer wall of the baking cavity 110, and the locking structure 300 is provided with a retractable locking tongue 323, which is correspondingly arranged at the second through hole 113; the extended locking tongue penetrates through the second through hole and extends into the first through hole to lock the shelf supporting structure; the shelf supporting structure is locked by the retractable locking tongue, which is simple in structure and convenient to lock and unlock.

[0048] Further, as shown Figures 8 to 11 As shown, the locking structure 300 includes a support frame 310, a push frame 320, and a first limiting frame 330; the support frame 310 includes a first support plate 311, and two first support blocks 312 are fixedly arranged on the first support plate 311 away from the wall surface of the baking cavity; the first support block 312 is provided with a first guide hole 313 penetrating through the first support plate 311, and the position of the first guide hole 313 corresponds to the position of the second through hole 113; the first guide hole 313 is provided with a first clamping hole 314 on the side close to the center of the first support plate 311; the push frame 320 includes a first frame strip 321, and a first push block 322 is fixedly arranged at the end of the first frame strip 321, the shape of the first push block 322 is adapted to the shape of the first guide hole 313, and the shape of the first frame strip 321 is adapted to the shape of the first clamping hole 314; the first push block 322 is fixedly arranged with a locking tongue 323 on the wall surface close to the support frame; the locking tongue 323 is a columnar structure, and the diameter thereof is adapted to the diameter of the second through hole 113 and the first through hole 240; the push frame 320 is arranged between the two first support blocks 312 and slides along the first guide hole 313; a second push block 324 is fixedly arranged at the middle of the first frame strip 321; the first limiting frame 330 is arranged and mounted between the two first support blocks 312 by screws, and a first sleeve 331 is fixedly arranged at the middle of the first limiting frame 330; a first spring 340 is arranged at the first sleeve 331, and the other end of the first spring 340 abuts against the second push block 324 to provide a pushing force for the push frame in the direction of the first support plate; the whole is a modular structure, which is convenient for processing and production of each structural component and production assembly, and is also convenient for maintenance and replacement of parts; wherein the first spring continuously provides a pushing force for the push frame, and in the unlocked state, the locking tongue is maintained inserted into the first through hole, the state of locking the shelf supporting structure is maintained, the state of connecting the heating tube to the oven circuit is maintained, and the shelf supporting structure and the heating tube are maintained in the required working state;

[0049] The unlocking mechanism 400 is linked with the second push block 324, and the locking tongue is separated from the first through hole by reversely pushing the second push block to release the locking. Two locking structures on the same side are unlocked by the unlocking mechanism, and only two unlocking mechanisms are required for the whole, which simplifies the structure, facilitates the design and layout of the whole structure, and is also convenient for operation and adjustment.

[0050] Further, the lock tongue 323 is provided with a third through hole penetrating the first push block, and a spring needle 350 is installed in the third through hole; when the locking structure is in the state of locking the supporting structure, the lock tongue extends into the first through hole, the spring needle is in contact with the power connection end of the electric heating tube for conduction, and the other end of the spring needle is connected to the circuit system of the oven through a wire;

[0051] The lock tongue, as the part inserted into the first through hole, locks the first and second clamping strips and mainly bears the force; the diameter of the spring needle is smaller than that of the lock tongue, and the spring needle does not directly contact the supporting structure and the baking cavity, so there is no problem of contact conduction, and the spring needle can also be prevented from being easily bent, deformed and damaged; more specifically, the spring needle is fixedly installed at the first through hole by high-temperature-resistant insulating glue, thereby achieving stable installation and preventing contact conduction and maintaining the normal operation of the components; the high-temperature-resistant insulating glue can be one of, but not limited to, single-component epoxy resin glue, organic silicon sealant or inorganic ceramic glue, which can be purchased on the market, and details are not described herein.

[0052] Further, the top surface of the box body 100 is provided with a second guide hole 120 corresponding to the second push block; as shown in Figure 2 , Figure 3 and Figure 12 , the unlocking mechanism 400 includes a push rod 410, a second spring 420, a guide bolt 430 and a clamping structure 500; the guide bolt 430 is installed at the bottom of the box body 100 and extends into the accommodating cavity; the bottom of the push rod 410 is provided with a third guide hole 414, the hole diameter of the third guide hole 414 is matched with the diameter of the light rod part of the guide bolt 430, and the bottom of the push rod slides along the guide bolt through the third guide hole; the top of the push rod 410 slides along the second guide hole 120; the second spring 420 is sleeved on the guide bolt 430 and provides an upward pushing force for the push rod; the movement of the push rod is effectively limited by the second guide hole and the guide bolt; the push rod is supported by the second spring, which provides the push rod with a downward movement condition, and the push rod is adjusted by being pressed downward; when the push rod moves downward, the second push block is pushed to move away from the support frame, so that the lock tongue and the spring needle are separated from the first through hole; on the other hand, the push rod is provided with an upward pushing force, so that the push rod can be smoothly reset after the clamping structure is unlocked;

[0053] The clamping structure is installed at the top of the box body and is used for locking the push rod after it is moved downward, maintaining the state that the lock tongue and the spring needle are separated from the first through hole, avoiding affecting the movement of the supporting structure and facilitating disassembly and assembly;

[0054] The bottom surface of the box body is provided with a fourth perforation for mounting a guide bolt, a threaded pipe is fixedly arranged outside the bottom end of the fourth perforation, the guide bolt is threadedly connected to the threaded pipe, and the light rod of the guide bolt extends into the containing cavity through the fourth perforation.

[0055] Further, as shown in Figure 11 , the first sliding groove is vertically extended and penetrates through the upper and lower walls of the second push block; the second push block is provided with an inclined first sliding surface at the top of the wall surface of the support frame; as shown in Figure 13 , the push rod member 410 includes a push rod 411, the shape of the push rod 411 is matched with the shape of the first sliding groove 325; the top end of the push rod 411 is fixedly provided with a first push head 412, the top of the first push head 412 is matched with the shape of the second guide hole 120, the bottom end of the push rod 411 is fixedly provided with a first push plate 413 on one side, and a third guide hole 414 is arranged on the first push plate 413; the push rod 411 is provided with a third push block 415 corresponding to the second push block, the third push block 415 is provided with an inclined second sliding surface 416 at the bottom of the side away from the first support plate, and the second sliding surface is in abutment and sliding with the first sliding surface; the first sliding groove is provided to provide a guide and matching position for the push rod, which can provide a vertical movement space basis for the push rod member, so that the third push block can cooperate with the second push block, and the direction of the force is changed through the first sliding surface and the second sliding surface, when the push rod member moves downward, the third push block pushes the second push block to move away from the support frame, so that the lock tongue and the spring needle are separated from the first perforation, and the unlocking is completed;

[0056] The first push head 412 is fixedly provided with a first stop block 417 protruding outward on the side away from the first support plate, when the first stop block moves to a preset position, the first stop block is limited by the clamping structure, so that the push rod member is in a depressed state, and the state that the lock tongue and the spring needle are separated from the first perforation is maintained, at this time, the bracket structure can be freely moved along the first clamping groove and the second clamping groove; the clamping structure can be adjusted to release the limitation of the first stop block, the push rod member is reset under the action of the second spring, the push bracket moves to the first support plate under the action of the first spring, and the lock tongue is maintained in the position of being inserted into the first perforation, the spring needle is in contact with the electrically conductive end of the electric heating tube to realize the electrical connection and conduction again, and the locking and the electrical connection of the electric heating tube are realized again.

[0057] Further, as shown in Figure 13 , Figure 14As shown, the clamping structure 500 comprises a second limiting frame 510, a third spring 520, and a locking piece 530; the locking piece 530 comprises a second push head 531 and a fourth push block 532; the bottom surface of the second push head is fixedly provided with a first sliding block, the fourth push block is fixedly provided at one end of the bottom surface of the first sliding block, and a third clamping groove 533 is formed between the top surface of the fourth push block 532 and the bottom surface of the second push head 531 outside both ends of the first sliding block; the top surface of the box body 100 is provided with second clamping openings 130 corresponding to the edges at both ends, and the locking piece 530 is clamped in the second clamping openings 130 through the third clamping groove 533; the second limiting frame is installed on the inner wall at the top of the box body through screws, the second limiting frame 510 is arranged on the side of the fourth push block 532 away from the push rod piece 410, and the second limiting frame 510 is provided with a fourth guide hole 511; the side of the fourth push block 532 close to the second limiting frame is fixedly provided with a first guide rod 534, the first guide rod corresponds to the fourth guide hole in position, and the first guide rod 534 slides along the fourth guide hole 511; the third spring 520 is sleeved on the first guide rod 534, and provides a pushing force in the direction of the push rod piece for the locking piece; the side of the fourth push block 532 close to the push rod piece is fixedly provided with a second stop block 535, and the top surface of the second stop block 535 is provided with an inclined fourth sliding surface 536; the bottom surface of the first stop block 417 is provided with a third sliding surface 418 matched with the fourth sliding surface 536; the clamping structure is a assembled structure, which facilitates the machining, production, assembly of each structural component, and also facilitates the disassembly, replacement of parts; wherein the locking piece is installed at the second clamping opening and located at the top surface of the box body, which is convenient for installation and adjustment; the second stop block cooperates with the first stop block under the pushing force of the third spring; more specifically, when the push rod piece moves downward, the first stop block pushes the second stop block to move in the direction of compressing the third spring, until the first stop block moves downward to the top surface below the bottom surface of the second stop block, the second stop block is reset under the action of the third spring, the second stop block is clamped above the first stop block, and the first stop block is pushed upward by the fourth spring, so as to realize and maintain the locking effect; at this time, the third push block pushes the second push block outward, and the lock tongue and the spring needle are separated from the first perforation;

[0058] When unlocking is needed, the second push head is manually pushed to make the second stop block separate from the first stop block, and the blocking is released, the first stop block moves upward quickly under the pushing force of the fourth spring, and abuts against the inner wall at the top of the box body, at this time, the third push block releases the pushing of the second push block, the lock tongue and the spring needle are inserted into the first perforation, and the position of locking the bracket structure is restored, and the electric heating pipe is provided with an electrical connection basis; through the downward pressing of the push rod piece, the lock tongue and the spring needle are separated from the first perforation, and the locking of the bracket structure is released; subsequently, the push rod piece is pushed upward to reset by pushing the second push head, so that the lock tongue and the spring needle enter the first perforation, and the locking of the bracket structure is realized.

[0059] Further, as shown in FIG. 6, Figure 3As shown, the second blocking structure 600 is mounted on the outer wall of the baking cavity 110 and cooperates with the rack structure 200; when the rack structure is detached, the second blocking structure blocks the second perforated port from the outside of the baking cavity; when the rack structure is mounted in place, the second blocking structure unblocks the second perforated port; the design of the second blocking structure can block the second perforated port when the rack structure is detached, preventing liquid or cleaning debris from entering the interior through the second perforated port when the interior of the baking cavity is cleaned, and preventing the interior components from being affected.

[0060] Further, as shown, Figure 5 、 Figure 6 The two outer walls of the baking cavity 110 are each provided with two second sliding grooves 114, the two second perforated ports 113 at the same height fall into the same second sliding groove 114, and the end of the second sliding groove away from the box door extends to the rear wall of the baking cavity; a first supporting plate 311 is mounted on the outside of the second sliding groove 114 to block the slot of the second sliding groove and form a sliding channel; the end of the first clamping groove 111 and the second clamping groove 112 away from the box door is provided with a sixth perforated port 115 penetrating the outer wall of the baking cavity; the end of the first clamping strip 210 and the second clamping strip 220 is provided with a third push plate 260 corresponding and fixedly, and the third push plate 260 can extend out of the rear wall of the baking cavity 110 through the sixth perforated port 115; as shown, Figure 15 The second blocking structure 600 includes a blocking piece 610, a fourth spring 620, and a third limiting frame 630; the third limiting frame 630 is mounted on the rear wall of the baking cavity by screws and is located outside the sixth perforated port 115; the blocking piece 610 includes a blocking plate 611, and two fifth perforated ports 612 are provided on the blocking plate 611 corresponding; the hole diameter of the fifth perforated port 612 is the same as that of the second perforated port 113, and the spacing between the two fifth perforated ports is consistent with that between the two second perforated ports; a second push plate 613 is fixedly provided on the end of the blocking plate 611 away from the box door, the second push plate 613 extends into the interior of the third limiting frame 630 and extends to the outside of the sixth perforated port 115; a second guide rod 614 is fixedly provided on the wall surface of the second push plate 613 away from the blocking plate; the third limiting frame 630 is provided with a fifth guide hole 631 corresponding, and the second guide rod 614 slides through the fifth guide hole 631; the fourth spring 620 is sleeved on the second guide rod 614, and the fourth spring 620 is clamped between the second push plate 613 and the third limiting frame 630 to provide the blocking piece with a pushing force in the direction of the box door; the second blocking structure is of an assembled structure, which facilitates the processing and assembly of the structural components and the disassembly and replacement of the parts;

[0061] The structure design and cooperation described above can realize linkage cooperation between the shielding structure and the bracket structure. When the bracket structure is detached, the blocking piece moves to a preset position under the action of the fourth spring, and the baffle shields and blocks the port of the second perforation. When the bracket structure is installed in place, the third push plate pushes the blocking piece to move a preset distance, the baffle unblocks the second perforation, the fifth perforation is aligned with the second perforation, and the insertion and pulling of the lock tongue are not affected.

[0062] The application is described by preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and scope of the application. The application is not limited by the specific embodiments disclosed herein, and other embodiments falling within the claims of the application are within the scope of protection of the application.

Claims

1. An oven with detachable baking cavity built-in structure, comprising a cabinet, a baking cavity provided in the cabinet, a receiving cavity formed between the outer wall of the baking cavity and the inner wall of the cabinet, and a cabinet door installed on one side of the opening of the cabinet; characterized in that: a detachable shelf structure is provided in the baking cavity, and the shelf structure is used to support the baking appliance; an electric heating tube is detachably installed on the shelf structure; a plurality of locking structures for locking the shelf structure are installed in the receiving cavity, and when the locking structures lock the shelf structure, the electric heating tube is simultaneously connected to the circuit of the oven; an unlocking mechanism for unlocking the locking structures is installed in the receiving cavity, and the adjusting part of the unlocking mechanism extends out of the top surface of the cabinet.

2. The oven with detachable baking cavity built-in structure according to claim 1, characterized in that: the shelf structure comprises a first clamping strip and a second clamping strip, the first clamping strip and the second clamping strip are fixedly connected through a plurality of vertically arranged supporting pieces, and the supporting pieces are uniformly and spacedly arranged along the length direction of the first clamping strip; the supporting pieces are bent to form a plurality of shelf groove parts; the top wall of the baking cavity is provided with a first clamping groove on both sides, and the bottom wall is provided with a second clamping groove on both sides; the shape of the first clamping groove is adapted to the shape of the first clamping strip, and the shape of the second clamping groove is adapted to the shape of the second clamping strip; the shelf structure is installed in pairs on both sides of the inside of the baking cavity, and the opposite shelf groove parts are used to support the baking appliance; the electric heating tube is installed between the opposite clamping strips; the locking structure is used to lock the first clamping strip and the second clamping strip.

3. The oven with detachable baking cavity built-in structure according to claim 2, characterized in that: two first perforations are provided on the first clamping strip and the second clamping strip; a pipe seat is fixedly arranged outside the end part of the first perforation close to the center of the baking cavity, and the electric heating tube is clamped and installed between the two opposite pipe seats; a plurality of second perforations are provided on the side walls of the baking cavity, and the positions of the second perforations correspond to the positions of the first perforations; the locking structure is correspondingly installed on the outer wall of the baking cavity, and the locking structure is provided with a retractable locking tongue, and the locking tongue is arranged corresponding to the second perforation; the extended locking tongue penetrates through the second perforation and extends into the first perforation to lock the shelf structure.

4. The oven with detachable baking cavity built-in structure according to claim 3, characterized in that: the locking structure comprises a supporting frame, a pushing frame, and a first limiting frame; the supporting frame comprises a first supporting plate, and two first supporting blocks are fixedly arranged on the wall surface of the first supporting plate away from the baking cavity; a first guide hole penetrating through the first supporting plate is arranged on the first supporting block, the position of the first guide hole corresponds to the position of the second perforation, and a first clamping hole is arranged on one side of the first guide hole close to the center of the first supporting plate; the pushing frame comprises a first frame strip, a first pushing block is fixedly arranged on the end part of the first frame strip, the shape of the first pushing block is adapted to the shape of the first guide hole, and the shape of the first frame strip is adapted to the shape of the first clamping hole; a locking tongue is fixedly arranged on the wall surface of the first pushing block close to the supporting frame; the locking tongue is in the form of a columnar structure, and the diameter of the locking tongue is adapted to the diameters of the second perforation and the first perforation; the pushing frame is arranged between the two first supporting blocks and slides along the first guide hole; a second pushing block is fixedly arranged on the middle part of the first frame strip. ​ The first limiting frame is installed between the two first supporting blocks by screw mounting, and a first sleeve is fixedly arranged at the middle part of the first limiting frame. A first spring is arranged at the first sleeve, and the other end of the first spring abuts against the second pushing block to provide a pushing force for the pushing frame to push in the direction of the first supporting plate; The unlocking mechanism is in linkage with the second pushing block, and the locking tongue is separated from the first perforation by reversely pushing the second pushing block to release the locking.

5. The oven with a detachable built-in structure of the baking cavity according to claim 4, characterized in that: The locking tongue is provided with a third perforation penetrating through the first pushing block, and a spring ejector pin is arranged in the third perforation; When the locking structure is in the state of locking the frame supporting structure, the locking tongue extends into the first perforation, and the spring ejector pin is in contact with the power connection end of the electric heating tube to conduct electricity.

6. The oven with a detachable built-in structure of the baking cavity according to claim 5, characterized in that: The top surface of the box body is provided with a second guide hole corresponding to the second pushing block; The unlocking mechanism comprises a pushing rod, a second spring, a guide bolt, and a clamping structure; The guide bolt is installed at the bottom of the box body and extends into the accommodating cavity; The bottom of the pushing rod is provided with a third guide hole, the diameter of the third guide hole is matched with the diameter of the light rod part of the guide bolt, and the bottom of the pushing rod slides along the guide bolt through the third guide hole; the top of the pushing rod slides along the second guide hole; the second spring is sleeved on the guide bolt to provide a pushing force for the pushing rod to push upward; When the pushing rod moves downward, the second pushing block moves away from the supporting frame, so that the locking tongue and the spring ejector pin are separated from the first perforation; The clamping structure is installed at the top of the box body and is used for locking the pushing rod after moving downward to maintain the state that the locking tongue and the spring ejector pin are separated from the first perforation.

7. The oven with a detachable built-in structure of the baking cavity according to claim 6, characterized in that: The second pushing block is provided with a first sliding groove in the middle part of the wall surface close to the supporting frame, the first sliding groove extends vertically and penetrates through the upper and lower wall surfaces of the second pushing block; and the top of the wall surface close to the supporting frame of the second pushing block is provided with an inclined first sliding surface; The pushing rod comprises a pushing rod, the shape of the pushing rod is matched with the shape of the first sliding groove; a first push head is fixedly arranged at the top end of the pushing rod, the top of the first push head is matched with the shape of the second guide hole, a first push plate is fixedly arranged at one side of the bottom end of the pushing rod, and the third guide hole is arranged on the first push plate; A third pushing block is arranged on the pushing rod corresponding to the second pushing block, an inclined second sliding surface is arranged at the bottom of one side of the third pushing block away from the first supporting plate, the second sliding surface is in abutment with the first sliding surface, and when the pushing rod moves downward, the third pushing block pushes the second pushing block to move away from the supporting frame; A first stop block protruding outward is fixedly arranged at one side of the first push head away from the first supporting plate, when the first stop block moves to a preset position, the clamping structure limits the first stop block to make the pushing rod in a pressed state, and the clamping structure can be adjusted to release the limitation of the first stop block.

8. The oven with a detachable built-in structure of the baking cavity according to claim 7, characterized in that: The clamping structure comprises a second limiting frame, a third spring, and a locking piece. The lock piece comprises a second push head and a fourth push block. The bottom surface of the second push head is fixedly provided with a first sliding block. The fourth push block is fixedly arranged at one end of the bottom surface of the first sliding block. A third clamping groove is formed between the top surface of the fourth push block and the bottom surface of the second push head at the outer sides of the two ends of the first sliding block. The top surface of the box body is provided with second clamping openings at the two end edges. The lock piece is clamped in the second clamping openings through the third clamping groove. The second limiting frame is installed on the top inner wall of the box body through a screw. The second limiting frame is arranged on the side of the fourth push block away from the push rod piece. The second limiting frame is provided with a fourth guide hole. The side of the fourth push block close to the second limiting frame is fixedly provided with a first guide rod. The first guide rod is in position correspondence with the fourth guide hole. The first guide rod slides along the fourth guide hole. A third spring is sleeved on the first guide rod. The third spring provides a pushing force in the direction of the push rod piece for the lock piece. The side of the fourth push block close to the push rod piece is fixedly provided with a second stop block. The top surface of the second stop block is provided with an inclined fourth sliding surface. The bottom surface of the first stop block is provided with a third sliding surface matched with the fourth sliding surface.

9. The oven with a built-in structure in a detachable baking cavity according to claim 3, characterized in that: the shielding structure is installed on the outer wall of the baking cavity, and the shielding structure is in linkage cooperation with the bracket structure; when the bracket structure is detached, the shielding structure shields and blocks the ports of the second perforations on the outside of the baking cavity; when the bracket structure is installed in place, the shielding structure unblocks the second perforations.

10. The oven with a built-in structure in a detachable baking cavity according to claim 9, characterized in that: the outer walls on both sides of the baking cavity are each provided with two second sliding grooves. The two second perforations at the same height fall into the same second sliding groove. The end of the second sliding groove away from the oven door extends to the rear wall of the baking cavity. The first support plate cover is installed on the outside of the second sliding groove to shield the groove of the second sliding groove and form a sliding channel. The end of the first clamping groove and the second clamping groove away from the oven door is provided with a sixth perforation penetrating through the outer wall of the baking cavity. The end of the first clamping strip and the second clamping strip is fixedly provided with a third push plate corresponding to the sixth perforation. The third push plate can extend out of the rear wall of the baking cavity through the sixth perforation; the shielding structure comprises a blocking piece, a fourth spring and a third limiting frame; the third limiting frame is installed on the rear wall of the baking cavity through a screw and is located outside the sixth perforation; the blocking piece comprises a blocking plate. The blocking plate is provided with two fifth perforations corresponding to the two fifth perforations. The diameters of the fifth perforations are the same as the diameters of the second perforations. The distance between the two fifth perforations is consistent with the distance between the two second perforations; the end of the blocking plate away from the oven door is fixedly provided with a second push plate. The second push plate extends into the inside of the third limiting frame and extends to the outside of the sixth perforation; the wall surface of the second push plate away from the blocking plate is fixedly provided with a second guide rod. The third limiting frame is provided with a fifth guide hole corresponding to the second guide rod. The second guide rod slides through the fifth guide hole. The fourth spring is sleeved on the second guide rod. The fourth spring is clamped between the second push plate and the third limiting frame to provide a pushing force in the direction of the oven door for the blocking piece; when the bracket structure is detached, the blocking piece moves to the preset position under the action of the fourth spring. The blocking plate shields and blocks the ports of the second perforations. When the shelf structure is installed in place, the third push plate top push stop moves a preset distance, the baffle unblocks the second perforation, and the fifth perforation is aligned with the second perforation.

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