Electric heating table

Abstract

The utility model discloses an electric heating table which comprises a table top plate, a supporting assembly, a bottom box, a protective cover assembly and an electric heating device, the table top plate is fixed on the top face of the bottom box through the supporting assembly, the protective cover assembly is fixed between the bottom box and the supporting assembly, and the electric heating device is arranged in the protective cover assembly. A first heat outlet is formed in the area outside the blocking part in the circumferential direction of the protective cover assembly, a second heat outlet is formed in the top face of the protective cover assembly and corresponds to the position above the electric heating pipe, a third heat outlet is formed in the corresponding table top plate, and heat of the electric heating pipe is transmitted upwards through the second heat outlet and the third heat outlet. According to the electric heating table, heat of the electric heating device is gathered through the protective cover assembly, is conducted to the periphery of the electric heating table through the first heat outlet and is conducted to the upper portion of the electric heating table through the second heat outlet and the third heat outlet, so that the periphery and the upper portion of the table top plate can feel the heat, and compared with the prior art, the heating experience is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heating table technical field. BACKGROUND

[0002] At present, the electric heating table on the market, its heating device is mostly arranged on the table leg assembly, the heat of the heating device mainly flows between the table leg assembly and the tabletop panel, and the heat basically cannot flow to the board area. In the use process, the user can feel the heat of the heating device in the chest or the position below the waist, and the hand on the tabletop panel basically cannot feel the heat of the heating device, so it is necessary to place the hand below the tabletop panel, which is inconvenient to use. INVENTION CONTENTS

[0003] The utility model discloses a kind of electric heating tables, which can transmit the heat of electric heating device to tabletop.

[0004] The utility model discloses a kind of electric heating tables, which can transmit the heat of electric heating device to tabletop.

[0005] An electric heating table includes a tabletop, a support assembly and a bottom box. The tabletop is fixed to the top surface of the bottom box by the support assembly. The electric heating table further includes a protective cover assembly and an electric heating device. The protective cover assembly is fixed between the support assemblies on the top surface of the bottom box. The electric heating device includes an electric heating tube and an insulating base. The insulating base is fixed to the bottom of the protective cover assembly. The electric heating tube is arranged in the protective cover assembly. The bottom of the electric heating tube is fixed to the insulating base. The wiring end of the electric heating tube extends into the bottom box through the insulating base.

[0006] The protective cover assembly is provided with a blocking part corresponding to the support assembly in the circumferential direction. The blocking part blocks the heat of the electric heating tube from being transmitted to the support assembly. The protective cover assembly is provided with a first heat outlet outside the blocking part in the circumferential direction.

[0007] The top surface of the protective cover assembly is provided with a second heat outlet above the electric heating tube. The tabletop is provided with a third heat outlet. The heat of the electric heating tube is transmitted upward through the second heat outlet and the third heat outlet.

[0008] The utility model gathers the heat of the electric heating device through the protective cover assembly and conducts the heat to the electric heating table in the circumferential direction through the first heat outlet and to the top of the electric heating table through the second heat outlet and the third heat outlet. Therefore, the heat can be felt around and above the tabletop. Compared with the prior art, the heating experience is better. At the same time, the output power of the electric heating device is increased. The second heat outlet and the third heat outlet enable the tabletop to have the functions of heating and heat preservation. The protective cover assembly protects the user from being injured.

[0009] Further, the protective cover assembly comprises a top plate, side plates, a barrier plate and a bottom plate, the four side plates are fixedly connected to the top plate at the top and the bottom plate at the bottom, the barrier plate is arranged between adjacent side plates, the top of the barrier plate is fixedly connected to the bottom of the top plate, the bottom of the barrier plate is fixedly connected to the top of the bottom plate, the side ends of the barrier plate are fixedly connected to the corresponding side plates, the top plate, the side plates, the barrier plate and the bottom plate jointly form a cavity for accommodating the electric heating tube, a reserved mounting cavity is arranged between the outside of the barrier plate, the bottom of the top plate and the top of the bottom plate, the support assembly is arranged in the reserved mounting cavity, and the barrier plate forms the barrier portion.

[0010] The protective cover assembly is easy to assemble and relatively sealed to limit the flow of heat of the electric heating device, the barrier plate avoids the conduction of the electric heating device to the support assembly, thereby ensuring the stable mechanical working environment inside the support assembly and preventing heat conduction to the exposed surface of the support assembly, reducing the temperature of the exposed surface of the support assembly and avoiding hurting the user.

[0011] The first heat outlet is arranged on the side plate, the second heat outlet is arranged at the center of the top plate, the bottom plate is provided with a through hole, the insulating base is fixed to the bottom plate and covers the through hole, and the electric heating tube is located directly below the second heat outlet.

[0012] The protective cover assembly further comprises an anti-scald grid, and the anti-scald grid is arranged on the outside of the side plate and leaves an anti-scald cavity between the anti-scald grid and the first heat outlet.

[0013] The anti-scald grid and the anti-scald cavity prevent the user from directly contacting the side plate, avoid scalding the user and improve the installation performance.

[0014] The side ends of the barrier plate are fastened to the inner side surfaces of the side plates at the end portions, the support assembly is provided with an L-shaped slot in the height direction, the side plates are provided with L-shaped end portions, the end portions of the side plates are clamped into the corresponding L-shaped slots, and the support assembly is arranged on the side of the barrier plate, thereby forming a heat insulation cavity between the barrier plate and the side plates.

[0015] The heat insulation cavity further blocks the conduction of heat to the support assembly.

[0016] The support assembly is provided with a slot in the height direction, the slot is arranged on the outside of the L-shaped slot, the anti-scald grid is provided with a protruding portion outwardly at the middle portion, the anti-scald grid is provided with insertion portions at the left and right ends, the insertion portions of the adjacent support assemblies are arranged in opposite directions, the anti-scald grid is elastically inserted into the corresponding slot through the insertion portions, an anti-contact gap is left between the end portions of the anti-scald grid and the side plates, and the protruding portion and the side plates form the anti-scald cavity.

[0017] The anti-scald grid is easy to install, and the anti-contact gap avoids the direct conduction of heat of the side plate to the anti-scald grid.

[0018] The top plate is provided with a convex circular table in the center, and a plurality of first circular holes are arranged on the circular table to form the second heat outlet.

[0019] The second heat outlet facilitates the guiding of heat to the table top plate.

[0020] The table top plate is provided with a hollow hole in the center corresponding to the position directly above the second heat outlet, and the hollow hole forms the third heat outlet.

[0021] The table top plate is provided with a furnace plate, the top surface of the furnace plate is provided with a first step portion, the furnace plate is inserted into the hollow hole, the first step portion is arranged on the table top plate and the edge of the hollow hole, the furnace plate is provided with a second step portion and a third step portion, the first mesh plate is arranged on the second step portion, the second mesh plate is arranged on the third step portion, the first mesh plate is located above the second mesh plate, and the diameter of the first mesh plate is greater than the diameter of the second mesh plate, the bottom of the furnace plate is provided with a convex conical table, and a plurality of second circular holes are arranged on the top surface of the conical table to form the third heat outlet.

[0022] The furnace plate, the first mesh plate or the second mesh plate can be used to place an appliance that needs to be heated or kept warm, and the first mesh plate or the second mesh plate can generate certain flow separation to the rising hot air flow, so as to reduce the flow speed of the hot air flow.

[0023] The synchronous lifting system is further included, the support assembly comprises a fixed support column and a movable support column, the fixed support column is installed in a reserved installation cavity, the top plate is provided with a first clearance hole corresponding to the reserved installation cavity, the bottom plate is provided with a second clearance hole corresponding to the reserved installation cavity, a screw rod of the synchronous lifting system extends into the fixed support column through the second clearance hole, the movable support column is arranged in the fixed support column in a lifting mode through a connection nut of the screw rod, the top of the movable support column is connected and fixed with the top plate through the first clearance hole, and the bottom surface of the bottom plate is provided with a fixing plate for fixing a motor in the synchronous lifting system; when the synchronous lifting system drives the table top plate to descend to the lowest position through the movable support column, the bottom of the furnace plate is in abutment or close to the circular table.

[0024] The table top plate can be adjusted in a lifting mode.

[0025] Compared with the prior art, the heating experience is better, meanwhile, the output power of the electric heating device is increased, the second heat outlet and the third heat outlet enable the table top plate to also have the functions of heating and keeping warm, and the protective cover assembly protects the user from being injured. The anti-scalding grid net and the anti-scalding cavity prevent the user from directly contacting the side plate, avoid the user from being scalded, and improve the installation performance. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the first embodiment.

[0027] Figure 2 The bottom structure schematic diagram of example one.

[0028] Figure 3 The exploded structure schematic diagram of example one.

[0029] Figure 4 The cross section structure schematic diagram of example one.

[0030] Figure 5 The another cross section structure schematic diagram of example one.

[0031] Figure 6 The enlarged schematic diagram of A part of example one.

[0032] Figure 7 The exploded structure schematic diagram of the protective cover assembly of example one.

[0033] Figure 8 The structure schematic diagram of the electric heating device of example one. DETAILED DESCRIPTION

[0034] The utility model will be further described below in combination with the drawings and examples.

[0035] Example one, referring to Figures 1-8 As shown in the figure, an electric heating table, including desktop panel 1, support assembly 2, bottom box 3, protective cover assembly 4, electric heating device 5 and synchronous lifting system 6. Desktop panel 1 is fixed on the top surface of bottom box 3 through four support assemblies 2, and protective cover assembly 4 is fixed between the top surface of bottom box 3 and four support assemblies 2.

[0036] Protective cover assembly 4 includes top plate 41, side plate 42, blocking plate 43, bottom plate 44 and anti-scald grid 45. Four side plates 42 top and top plate 41 bottom surface connection fixed, four side plates 42 bottom and bottom plate 44 top surface connection fixed, blocking plate 43 is arranged between adjacent side plate 42, blocking plate 43 top and top plate 41 bottom surface connection fixed, blocking plate 43 bottom and bottom plate 44 top surface connection fixed, blocking plate 43 side end and corresponding side plate 42 connection fixed, top plate 41, side plate 42, blocking plate 43 and bottom plate 44 jointly enclose a cavity that contains electric heating tube 51, blocking plate 43 outside, top plate 41 bottom surface and bottom plate 44 top surface between being equipped with the reserved installation cavity 46, and support assembly 2 is arranged in the reserved installation cavity 46. Blocking plate 43 constitutes the blocking part of protective cover assembly 4, and the blocking part blocks the heat of electric heating tube 51 from being transmitted to support assembly 2,

[0037] The support assembly 2 comprises a fixed support column 21 and a movable support column 22. The fixed support column 21 is installed in the reserved installation cavity 46. The top plate 41 is provided with a first clearance hole 413 corresponding to the reserved installation cavity 46. The bottom plate 44 is provided with a second clearance hole 442 corresponding to the reserved installation cavity 46. The screw rod of the synchronous lifting system 6 extends into the fixed support column 21 through the second clearance hole 442. The movable support column 22 is arranged in the fixed support column 21 in a lifting manner through a screw rod connecting nut. The top of the movable support column 22 is connected and fixed with the tabletop plate 1 through the first clearance hole 413. The bottom surface of the bottom plate 44 is provided with a fixing plate 47 for fixing the motor 62 of the synchronous lifting system 6.

[0038] The synchronous lifting system 6 is a prior art in the lifting warming table. The specific structure thereof is not described in detail in the embodiment.

[0039] The bottom box 3 is provided with a mounting hole 31 in the center. The bottom box 3 is provided with a mounting bracket 32 corresponding to the mounting hole 31. The bottom plate 44 and the steering transmission gear box 61 of the synchronous lifting system 6 are both fixed on the mounting bracket 32.

[0040] The anti-scald grid net 45 is arranged outside the side plate 42. The anti-scald grid net 45 and the first heat outlet 420 are left with an anti-scald cavity 49. Specifically, the side end of the blocking plate 43 and the inner side surface of the side plate 42 are fastened by a connecting member (such as a screw) near the end portion. The side surface of the support assembly 2 is provided with an L-shaped groove 23 in the height direction. The two side end portions of the side plate 42 are L-shaped. The end portion of the side plate 42 is clamped into the corresponding L-shaped groove. The side of the support assembly 2 facing the blocking plate 43 and the blocking plate 43 and the side plate 42 form a heat insulation cavity 48 therebetween. The side surface of the support assembly 2 is provided with a slot 24 in the height direction. The slot 24 is arranged outside the L-shaped groove 23. The anti-scald grid net 45 is provided with a protruding portion 451 outwardly in the middle portion. The anti-scald grid net 45 is provided with an insertion portion 452 at the left and right ends. The openings of the slots 24 of the adjacent support assemblies 2 are arranged opposite to each other. The anti-scald grid net 45 is elastically inserted into the corresponding slot 24 through the insertion portion 452. The anti-scald grid net 45 is left with an anti-contact gap 25 between the end portion and the side plate 42. The protruding portion 451 and the side plate 42 form the anti-scald cavity 49 therebetween.

[0041] In the embodiment, the first heat outlet 420 is arranged in the area outside the blocking portion of the protective cover assembly 4 in the circumferential direction. Specifically, the first heat outlet 420 is arranged in the middle upper portion of the side plate 42. The top plate 41 is provided with an upper convex circular table 411 in the center. A plurality of first circular holes 412 are arranged on the circular table 411 to form the second heat outlet 410.

[0042] The bottom plate 44 is provided with a through hole 441 in the center. The electric heating device 5 comprises an electric heating tube 51 and an insulating base 52. The insulating base 52 is fixed on the bottom plate 44 and covers the through hole 441. The electric heating tube 51 is fixed at the bottom of the insulating base 52. The electric heating tube 51 is arranged in the protective cover assembly 4 and is located directly below the second heat outlet 410. The connecting end of the electric heating tube 51 extends into the bottom box 3 through the insulating base 52, so as to facilitate the connection of the electric heating tube 51 and the power supply circuit in the electric heating table. In the embodiment, the electric heating tube 51 is an Incoloy 840 stainless steel heating tube, and the insulating base 52 is an alumina ceramic insulating base 52.

[0043] The tabletop plate 1 is provided with a third heat outlet 10. The heat of the electric heating tube 51 is transmitted upward through the second heat outlet 410 and the third heat outlet 10. Specifically, the tabletop plate 1 is provided with a hollow hole in the center corresponding to the position directly above the second heat outlet 410. The hollow hole constitutes the third heat outlet 10.

[0044] In the embodiment, the tabletop plate 1 is provided with a stove plate 7. The top surface of the stove plate 7 is provided with a first step portion 71. The stove plate 7 is inserted into the hollow hole. The first step portion 71 is arranged on the tabletop plate 1 and the edge of the hollow hole. The stove plate 7 is provided with a second step portion 72 and a third step portion 73. The second step portion 72 is provided with a first mesh plate 74. The third step portion 73 is provided with a second mesh plate 75. The first mesh plate 74 is located above the second mesh plate 75. The diameter of the first mesh plate 74 is larger than that of the second mesh plate 75. The bottom of the stove plate 7 is provided with a convex conical table 76. The top surface of the conical table 76 is provided with a plurality of second circular holes 77 to constitute the third heat outlet 10. The first mesh plate 74 and the second mesh plate 75 can be respectively detached. The first mesh plate 74 and the second mesh plate 75 can be used simultaneously or separately.

[0045] When the synchronous lifting system 6 drives the tabletop plate 1 to descend to the lowest position through the movable support column 22, the bottom of the stove plate 7 is in contact with or close to the circular table 411.

[0046] The working principle of the electric heating table is that the electric heating tube 51 is powered to generate heat. The heat generated by the electric heating tube 51 is discharged through the first heat outlet 420, the second heat outlet 410 and the third heat outlet 10. That is, the heat can be felt on the periphery and top of the tabletop plate 1. For example, the user's hands can be directly warmed by the third heat outlet 10 on the tabletop plate 1. The basic use function of the electric heating table is met.

[0047] When the stove plate 7 is installed on the tabletop plate 1, the conical table 76 or the first mesh plate 74 or the second mesh plate 75 of the stove plate 7 can be used to place the objects to be heated or kept warm. In the embodiment, the working temperature of the electric heating tube 51 can reach several hundred degrees. The heat of the third heat outlet 10 is used to heat or keep warm. The protective cover assembly 4 avoids scalding the user from the outwardly exposed surface of the electric heating table.

[0048] As used in the present utility model, the terms first, second, etc. do not denote any order, quantity or importance, but are merely used for differentiation.

[0049] As used in the present utility model, the terms one, an, etc. do not denote a limitation on quantity, but rather denote the existence of at least one of the objects mentioned.

[0050] As used in the present utility model, the terms indicating direction or position, such as front end, rear end, top, bottom, side, longitudinal, transverse, middle, center, outer, inner, horizontal, vertical, left, right, upper, lower, etc., mean reflecting relative position, not absolute position.

[0051] As used in the present utility model, the terms substantially, overall, approximately, similar, etc. are limiting terms used to indicate the existence of a feature but allow a certain deviation. The amount of the allowed deviation can vary depending on the specific context.

Claims

1. An electric heating table comprising a table top panel (1), a supporting assembly (2) and a bottom box (3), the table top panel (1) being fixed on the top surface of the bottom box (3) through a plurality of supporting assemblies (2), characterized in that, The protective cover assembly (4) is fixed between the top surface of the bottom box (3) and the support assemblies (2), and the electric heating device (5) comprises an electric heating tube (51) and an insulating base (52). The insulating base (52) is fixed to the bottom of the protective cover assembly (4), the electric heating tube (51) is arranged in the protective cover assembly (4), the bottom of the electric heating tube (51) is fixed to the insulating base (52), and the wiring end of the electric heating tube (51) extends into the bottom box (3) through the insulating base (52), The protective cover assembly (4) is provided with a blocking part corresponding to the support assembly (2) in the circumferential direction, and the blocking part blocks the heat of the electric heating tube (51) from being transmitted to the support assembly (2). The protective cover assembly (4) is provided with a first heat outlet (420) in the circumferential direction outside the blocking part, The top surface of the protective cover assembly (4) is provided with a second heat outlet (410) corresponding to the upper portion of the electric heating tube (51), and the corresponding tabletop panel (1) is provided with a third heat outlet (10). The heat of the electric heating tube (51) is transmitted upward through the second heat outlet (410) and the third heat outlet (10).

2. The electric warming table according to claim 1, wherein The protective cover assembly (4) comprises a top plate (41), side plates (42), a blocking plate (43) and a bottom plate (44). The top portions of the four side plates (42) are connected and fixed to the bottom surface of the top plate (41), the bottom portions of the four side plates (42) are connected and fixed to the top surface of the bottom plate (44), the blocking plate (43) is arranged between adjacent side plates (42), the top portion of the blocking plate (43) is connected and fixed to the bottom surface of the top plate (41), the bottom portion of the blocking plate (43) is connected and fixed to the top surface of the bottom plate (44), the side end of the blocking plate (43) is connected and fixed to the corresponding side plate (42), the top plate (41), the side plates (42), the blocking plate (43) and the bottom plate (44) jointly form a cavity for accommodating the electric heating tube (51), a reserved mounting cavity (46) is arranged between the outside of the blocking plate (43), the bottom surface of the top plate (41) and the top surface of the bottom plate (44), the support assembly (2) is arranged in the reserved mounting cavity (46), and the blocking plate (43) constitutes the blocking part.

3. The electric warming table according to claim 2, wherein The side plates (42) are provided with the first heat outlet (420), the center of the top plate (41) is provided with the second heat outlet (410), the center of the bottom plate (44) is provided with a through hole (441), the insulating base (52) is fixed to the bottom plate (44) and covers the through hole (441), and the electric heating tube (51) is located directly below the second heat outlet (410).

4. The electric warming table according to claim 2, wherein The protective cover assembly (4) further comprises an anti-scald grid (45), the anti-scald grid (45) is arranged outside the side plates (42), and an anti-scald cavity (49) is left between the anti-scald grid (45) and the first heat outlet (420).

5. The electric warming table according to claim 4, characterized in that The side end of the blocking plate (43) and the inner side surface of the side plate (42) are fastened by a connecting piece close to the end portion in the height direction, the side surface of the support assembly (2) is provided with an L-shaped groove (23) in the height direction, the two side end portions of the side plate (42) are in an L shape, the end portion of the side plate (42) is clamped into the corresponding L-shaped groove, and a heat insulation cavity (48) is formed between the side of the support assembly (2) facing the blocking plate (43) and the blocking plate (43) and the side plate (42).

6. The electric warming table according to claim 5, characterized in that The support assembly (2) is provided with a slot (24) on the side in the height direction, the slot (24) is arranged outside the L-shaped slot (23), the anti-scald grid net (45) is provided with a protruding part (451) in the middle, the anti-scald grid net (45) is formed with an insertion part (452) at the left and right ends, the slots (24) of the adjacent support assemblies (2) are arranged with the openings facing each other, the anti-scald grid net (45) is elastically inserted into the corresponding slot (24) through the insertion part (452), and the anti-scald grid net (45) is provided with an anti-contact gap (25) between the end and the side plate (42), and the protruding part (451) and the side plate (42) form the anti-scald cavity (49).

7. The electric warming table according to claim 2, wherein The top plate (41) is provided with a convex circular table (411) in the center, and a plurality of first circular holes (412) are arranged on the circular table (411) to form the second heat outlet (410).

8. The electric warming table according to claim 7, characterized in that The tabletop panel (1) is provided with a hollow hole in the center corresponding to the position directly above the second heat outlet (410), and the hollow hole forms the third heat outlet (10).

9. The electric warming table according to claim 8, characterized in that The tabletop panel (1) is provided with a stove plate (7), the top surface of the stove plate (7) is provided with a first step part (71), the stove plate (7) is inserted into the hollow hole, the first step part (71) is arranged on the tabletop panel (1) and the edge of the hollow hole, the stove plate (7) is provided with a second step part (72) and a third step part (73) inside, the first net plate (74) is arranged on the second step part (72), the second net plate (75) is arranged on the third step part (73), the first net plate (74) is located above the second net plate (75), and the diameter of the first net plate (74) is greater than that of the second net plate (75), the stove plate (7) is provided with a convex circular conical table (76) at the bottom, and a plurality of second circular holes (77) are arranged on the top surface of the circular conical table (76) to form the third heat outlet (10).

10. The electric warming table according to claim 9, characterized in that The synchronous lifting system (6) is further included, the support assembly (2) includes a fixed support column (21) and a movable support column (22), the fixed support column (21) is installed in the reserved mounting cavity (46), the top plate (41) is provided with a first gap (413) corresponding to the reserved mounting cavity (46), the bottom plate (44) is provided with a second gap (442) corresponding to the reserved mounting cavity (46), the screw rod of the synchronous lifting system (6) extends into the fixed support column (21) through the second gap (442), the movable support column (22) is arranged in the fixed support column (21) by being connected with the screw nut, the top of the movable support column (22) is connected and fixed with the tabletop panel (1) through the first gap (413), and the bottom surface of the bottom plate (44) is provided with a fixed plate (47) for fixing the motor (62) in the synchronous lifting system (6), when the synchronous lifting system (6) drives the tabletop panel (1) to descend to the lowest position through the movable support column (22), the bottom of the stove plate (7) abuts against or is close to the circular table (411).

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