Food warming plate

Abstract

A food warming plate comprising a heating base (1) and a heating wire (2), characterized in that the heating base (1) is a flexible base, wherein a strip-shaped wire groove (101) is provided on the bottom surface of the heating base (1), and wherein a strip-shaped groove opening (102) is provided on the underside of the wire groove (101), and wherein a strip-shaped flexible sheath (201) is pulled around the heating wire (2), and wherein the heating wire (2) penetrates the groove opening (102) and is inserted into the wire groove (101), and wherein the heating wire (2) is arranged one after the other along an extension direction of the wire groove (101), and wherein the underside of the flexible sheath (201) projects downwards to the outside of the groove opening (102), and wherein the flexible sheath (201) is integrally formed by fusing with the wire groove 101.

Description

The present invention relates to the technical field of food heat retaining plates, in particular to a food heat retaining plate.The food heat holding plate may be placed on the table to heat food or maintain a constant temperature of the food, so that the food does not need to be heated twice.In the prior art, a food heat retaining plate is used in which a heating wire is inserted into the wire groove on the underside of the silicone backing and then bonded for attachment. The problem of this food heat-retaining plate is that it is difficult to uniformly adhere the heating wire. In another food heat-retaining plate, the heating wire is clamped from above and below by means of two layers of silicone substrates and integrated and processed as a whole. The problem of this food heat-retaining plate is that this food heat-retaining plate requires the silicone backing to be pressed twice, which leads to high material and labor costs.The object of the present invention is to provide a food temperature holding plate for solving the technical problems of the food temperature holding plate in the prior art.In order to achieve the above purpose, in the technical solution of the present invention, there is provided a food heat holding plate comprising a heater pad and a heater wire, wherein the heater pad is a flexible pad, and wherein a strip-shaped wire groove is provided on the bottom surface of the heater pad, and wherein a strip-shaped groove opening is provided on the bottom surface of the wire groove, and wherein a strip-shaped flexible jacket is wound around the heater wire, and wherein the heater wire penetrates the groove opening and is inserted into the wire groove, and wherein the heater wire is sequentially disposed along an extending direction of the wire groove, and wherein a bottom surface of the flexible jacket protrudes downward to the outside of the groove opening, and wherein the flexible jacket is integrally molded with the wire groove by fusion.Further, the heater pad is a silicone pad and the flexible jacket is a silicone sleeve.Furthermore, the edge of the groove opening protrudes further downward compared to the bottom surface of the heater base.Furthermore, a plurality of foot pads are also provided on a bottom surface of the heating pad, wherein the underside of the foot pad protrudes further downward compared to the edge of the groove opening.Further, a power supply is provided at an edge of the heater pad, and both end portions of the heating wire are electrically connected to the power supply.Further, the cross section of the wire groove is arc-shaped or square, and the cross section of the flexible sheath is circular.Further, the thickness of the flexible sheath is ≥2 mm, and the outer diameter of the flexible sheath is ≥5 mm.Further, the wire groove includes a plurality of straight segments extending in parallel with each other and a plurality of bent segments, the straight segments being connected to the bent segments.In a preferred embodiment, a strip-shaped continuous restriction housing is provided below the groove opening, wherein the continuous restriction housing is arranged one after the other along the extension direction of the wire groove, and wherein both sides of the continuous restriction housing are integrally formed with both sides of the groove opening by fusion, respectively, and wherein the continuous restriction housing forms a continuous restriction for the heating wire and the flexible jacket within the wire groove.In a preferred embodiment, below the groove opening, a plurality of discontinuous restriction housings are provided which are distributed one after another along the extending direction of the wire groove, a space is formed between the discontinuous restriction housings, and both sides of the discontinuous restriction housings are integrally molded with both sides of the groove opening by fusion, respectively, and the discontinuous restriction housings form a discontinuous boundary for the heating wire and the flexible sheath within the wire groove.In summary, the technical solutions of the present invention have the following advantageous effects: The structural configuration of the present invention is appropriate. In that the heater pad is a flexible pad, and a strip-shaped wire groove is provided on the bottom surface of the heater pad, and a strip-shaped groove opening is provided on the bottom surface of the wire groove, and a strip-shaped flexible sheath is wound around the heater wire, and the heater wire penetrates the groove opening and is inserted into the wire groove, and the heater wire is arranged one by one along the extending direction of the wire groove, and a bottom surface of the flexible sheath is protruded downward to the outside of the groove opening, and the flexible sheath is integrally formed by fusion with the wire groove. The integral molding of the heater pad and the heater wire can be achieved by the steps of: inserting the heater wire into a wiring groove of a mold; pressing the heater wire into the wiring groove of the heater pad by the mold; integrally molding the flexible jacket on the heater wire with the wiring groove of the heater pad by the mold by fusion, and separating the wiring groove of the mold from the flexible jacket of the heater wire (i.e., the wiring groove is separated from a part of the flexible jacket protruding from the groove opening). From this analysis, it can be concluded that in the invention the flexible sheath of the heating wire is integrally deformed by fusion with the wire groove of the heater pad without requiring adhesives or two layers of silicone pads, thereby reducing material and labor costs.The invention is described in detail below with reference to preferred embodiments with reference to the drawings. The drawing shows: FIG. 1 is a schematic diagram of a sectional structure according to an embodiment 1 of the present invention; FIG. 2 is an enlarged view of a region A in FIG. 1 ; FIG. 3 is a schematic sectional view of an exploded structure according to Embodiment 1 of the present invention; FIG. 4 is a schematic diagram of an exploded structure according to Embodiment 1 of the present invention; FIG. 5 is a schematic perspective view of a structure according to Embodiment 1 of the present invention; FIG. 6 is a schematic diagram of a sectional structure according to an embodiment 2 of the present invention; FIG. 7 is an enlarged view of a region B in FIG. 6 ; FIG. 8 is a schematic sectional view of an exploded structure according to Embodiment 2 of the present invention; FIG. 9 is a schematic diagram of an exploded structure according to Embodiment 2 of the present invention; FIG. 10 is a schematic diagram of a three-dimensional structure according to Embodiment 2 of the present invention; FIG. 11 is a schematic diagram of a sectional structure according to an embodiment 3 of the present invention; FIG. 12 is an enlarged view of a region C in FIG. 11 ; FIG. 13 is a schematic diagram of an exploded sectional structure according to Embodiment 3 of the present invention; FIG. 14 is a schematic diagram of an exploded structure according to Embodiment 3 of the present invention; and FIG. 15 is a schematic diagram of a three-dimensional structure according to Embodiment 3 of the present invention;Hereinafter, the technical solutions in the embodiments of the present invention will be clearly and fully described. However, these embodiments do not limit the scope of the present invention.For the present invention, the explanation will be given as follows: When the observer observes Fig. 1, a bottom of the observer is regarded as being at the top and a top of the observer is regarded as being at the bottom. It should be noted that the terms "front end", "rear end", "left side", "right side", "center", "top", "bottom" in the text indicating the orientation or positional relationship are given on the basis of the orientation or positional relationship set in the drawings, and are only intended to clearly describe the invention and not to indicate or imply that the structure or component in question has a particular orientation or must be constructed in a particular orientation. Therefore, it cannot be understood as limiting the present invention. Moreover, the terms "first", "second", "third", and "fourth" are used only for the purpose of clarity or convenience of description, and should not be understood to indicate or imply relative meaning or amount.As shown in Figs. 1 to 5, the embodiment 1 provides a food heat holding plate comprising a heater pad 1 and a heater wire 2. The heater base 1 is a flexible base. On the bottom surface of the heater base 1, a strip-shaped wire groove 101 is provided. At the bottom of the wire groove 101, a strip-shaped groove opening 102 is provided. A strip-shaped flexible jacket 201 is drawn around the heating wire 2. The heating wire 2 penetrates the groove hole 102 and is inserted into the wire groove 101. The heating wire 2 is arranged one after another along an extending direction of the wire groove 101. The bottom surface of the flexible jacket 201 projects downward to the outside of the groove opening 102. The flexible sheath 201 is integrally molded by fusion with the wire groove 101. Effects: By the heater pad being a flexible pad, and a strip-shaped wire groove is provided on the bottom surface of the heater pad, and a strip-shaped groove opening is provided on the bottom surface of the wire groove, and a strip-shaped flexible sheath is wound around the heater wire, and the heater wire penetrates the groove opening and is inserted into the wire groove, and the heater wire is sequentially arranged along the extending direction of the wire groove, and a bottom surface of the flexible sheath is downwardly protruded to the outside of the groove opening, and the flexible sheath is integrally formed by fusion with the wire groove. The integral molding of the heater pad and the heater wire can be achieved by the steps of: inserting the heater wire into a wiring groove of a mold; pressing the heater wire into the wiring groove of the heater pad by the mold; integrally molding the flexible jacket on the heater wire with the wiring groove of the heater pad by the mold by fusion, and separating the wiring groove of the mold from the flexible jacket of the heater wire (i.e., the wiring groove is separated from a part of the flexible jacket protruding from the groove opening). From this analysis, it can be concluded that in the present utility model, the flexible sheath of the heating wire is integrally deformed by fusion with the wire groove of the heater pad without requiring adhesives or two layers of silicone pads, thereby reducing material and labor costs.The process of Embodiment 1 is as follows:Step S1: Selecting a heater base 1, a heater wire 2 and a mold, the heater base 1 being a flexible base, a strip-shaped wire groove 101 being provided on the bottom surface of the heater base 1, a strip-shaped groove opening 102 being provided on the bottom surface of the wire groove 101, a strip-shaped flexible jacket 201 being wound around the heater wire 2, and a wiring groove being provided on the mold.Step S 2, wiring: inserting the heating wire 2 into a wiring groove of a mold, and pressing the heating wire 2 into the wire groove 101 of the heater base by the mold.Step S 3, fusion: integrally molding the flexible sheath 201 on the heating wire 2 with the wire groove 101 of the heater base 1 by the mold by fusion.Step S 4, demolding: separating the wiring groove of the mold from a part of the flexible sheath 201 of the heating wire 2 protruding from the groove opening.In particular, the heating support 1 is a silicone support and the flexible jacket 201 is a silicone sleeve. Effect: Silicone is soft and resistant to high temperature.In particular, the edge of the groove opening 102 protrudes further downward compared to the bottom surface of the heater base 1. Effect: Since the heater wire must maintain a certain distance (such as 2 mm) from the top of the heater pad, the edge of the groove opening 102 projects downward to reduce the thickness required for the heater pad.More specifically, on the bottom surface of the heater base 1, a plurality of foot pads 103 are further provided. The underside of the foot pad 103 projects further downwards in comparison to the edge of the groove opening 102. Effect: Adjustment of the footpad 103 may facilitate ventilation and heat dissipation underneath the heater pad.More specifically, a power supply 3 is provided at an edge of the heater base 1, and both end portions of the heating wire 2 are electrically connected to the power supply 3. Effect: The power supply 3 can supply the heating wire with electrical energy.Specifically, the cross section of the wire groove 101 is arc-shaped or square, and the cross section of the flexible sheath 201 is circular. Effect: Arcuate or square wire groove can be easily integrally formed by fusion with the circular flexible jacket.In particular, the thickness of the flexible sheath 201 is ≥2 mm and the outer diameter of the flexible sheath 201 is ≥5 mm. Effect: This thickness can ensure safe use of the heating wire.Specifically, the wire groove 101 includes a plurality of straight segments 1011 that are parallel to each other and a plurality of bent segments 1012, the straight segments 1011 being connected to the bent segments 1012. Effect: By this adjustment of the wire groove, the heating wire can be uniformly distributed on the bottom surface of the heater pad.Embodiment 2: As shown in FIGS. 6 to 10, a strip-shaped continuous limiting housing 4 is provided below the groove opening 102. The continuous restriction housing 4 is arranged one after another along the extending direction of the wire groove 101. Both sides of the continuous restriction case 4 are integrally molded with both sides of the groove opening 102, respectively, by fusion. The continuous containment housing 4 provides a continuous boundary for the heating wire 2 and the flexible sheath 201 within the wire groove 101. Effect: By adjusting the continuous constraining housing 4, the heating wire and flexible sheath can be constrained to improve stability.The process of Embodiment 2 is as follows:Step S1: Selecting a heater base 1, a heater wire 2 and a mold, the heater base 1 being a flexible base, a strip-shaped wire groove 101 being provided on the bottom surface of the heater base 1, a strip-shaped groove opening 102 being provided on the bottom surface of the wire groove 101, a strip-shaped flexible jacket 201 being wound around the heater wire 2, and a wiring groove being provided on the mold.Step S 2, wiring: inserting the heating wire 2 and the continuous restriction case 4 below the heating wire 2 into a wiring groove of a mold, pressing the heating wire 2 into the wire groove 101 of the heater base by the mold.Step S3, Fusion: Integrally molding the flexible sheath 201 on the heating wire 2 with the wire groove 101 of the heater base 1 by means of the mold, wherein both sides of the continuous restriction case 4 are integrally molded with both sides of the groove opening 102, respectively, by fusion.Step S4, demolding: separating the wiring groove of the mold from the continuous bounding housing.Embodiment 3: As shown in FIGS. 11 to 15, below the groove opening 102, a plurality of discontinuous restriction housings 5 are provided, which are distributed one after another along the extending direction of the wire groove 101. A space is formed between the discontinuous boundary housings 5. Both sides of the discontinuous restriction housings 5 are integrally molded with both sides of the groove opening 102, respectively, by fusion. The discontinuous bounding housings 5 form a discontinuous boundary for the heating wire 2 and the flexible jacket 201 within the wire groove 101. Effect: By adjusting the discontinuous constraining housings 5, the heating wire and the flexible sheath can be constrained to improve stability.The process of Embodiment 3 is as follows:Step S1: Selecting a heater base 1, a heater wire 2 and a mold, the heater base 1 being a flexible base, a strip-shaped wire groove 101 being provided on the bottom surface of the heater base 1, a strip-shaped groove opening 102 being provided on the bottom surface of the wire groove 101, a strip-shaped flexible jacket 201 being wound around the heater wire 2, and a wiring groove being provided on the mold.Step S 2, wiring: inserting the heating wire 2 and the discontinuous restriction housings 4 below the heating wire 2 into a wiring groove of a mold, pressing the heating wire 2 into the wire groove 101 of the heater base by the mold.Step S3, Fusion: Integrally molding the flexible sheath 201 on the heating wire 2 with the wire groove 101 of the heater base 1 by the mold, wherein both sides of the discontinuous restriction housings 5 are integrally molded with both sides of the groove opening 102, respectively, by fusion.Step S 4, demolding: separating the wiring groove of the mold from the discontinuous bounding housings 5.The foregoing relates to the preferred embodiments of the present invention. It should be understood that various improvements and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of the present invention.Reference list:1 Heater pad, 2 Heater wire, 3 Power supply, 4 Continuous Containment Case, 5 Discontinuous Containment Case; 101 Wire Slot, 1011 Straight Segment, 1012 Bent Segment, 102 Slot Opening, 103 Footpad, 201 Flexible Jacket.

Claims

A food heat holding plate comprising a heater pad (1) and a heater wire (2), characterized in that the heater pad (1) is a flexible pad, wherein a strip-shaped wire groove (101) is provided on the bottom surface of the heater pad (1), and wherein a strip-shaped groove opening (102) is provided on the bottom surface of the wire groove (101), and wherein a strip-shaped flexible sheath (201) is wound around the heater wire (2), and wherein the heater wire (2) penetrates the groove opening (102) and is inserted into the wire groove (101), and wherein the heater wire (2) is sequentially arranged along an extending direction of the wire groove (101), and wherein the bottom surface of the flexible sheath (201) protrudes downward to the outside of the groove opening (102), and wherein the flexible sheath (201) is integrally formed by fusion with the wire groove 101.Food heat-retaining plate according to Claim 1, characterized in that the heating support (1) is a silicone support and the flexible jacket (201) is a silicone sleeve.Food heat-retaining plate according to Claim 1 or 2, characterized in that the edge of the slot opening (102) projects further downwards in comparison with the base surface of the heating base (1).Food heat-retaining plate according to one of Claims 1 to 3, characterized in that a plurality of foot pads (103) is furthermore provided on the bottom surface of the heating base (1), the underside of the foot pad (103) protruding further downwards compared with the edge of the groove opening (102).Food heat-retaining plate according to one of Claims 1 to 4, characterized in that a power supply (3) is provided on an edge of the heating base (1), both end portions of the heating wire (2) being electrically connected to the power supply 3.Food heat-retaining plate according to one of Claims 1 to 5, characterized in that the cross section of the wire groove (101) is arcuate or square, the cross section of the flexible sheath (201) being circular.Food heat-retaining plate according to one of Claims 1 to 6, characterized in that the thickness of the flexible casing (201) is ≥ 2 mm, the outer diameter of the flexible casing (201) being ≥ 5 mm.The food heat retaining plate according to any one of claims 1 to 7, characterized in that the wire groove (101) comprises a plurality of straight segments (1011) extending parallel to each other and a plurality of bent segments (1012), the straight segments (1011) being connected to the bent segments (1012).Food heat-retaining plate according to one of claims 1 to 8, characterised in that a strip-shaped continuous delimiting housing (4) is provided below the groove opening (102), wherein the continuous delimiting housing (4) is arranged one after the other along the extension direction of the wire groove (101), and wherein both sides of the continuous delimiting housing (4) are respectively integrally formed with both sides of the groove opening (102) by fusion, and wherein the continuous delimiting housing (4) forms a continuous delimiting for the heating wire (2) and the flexible jacket (201) within the wire groove (101).The food heat retaining plate according to any one of claims 1 to 8, characterized in that below the groove opening (102), a plurality of discontinuous restriction housings (5) are provided which are distributed one after another along the extending direction of the wire groove (101), wherein a space is formed between the discontinuous restriction housings (5), and wherein both sides of the discontinuous restriction housings (5) are integrally molded with both sides of the groove opening (102) by fusion, respectively, and wherein the discontinuous restriction housings (5) form a discontinuous boundary for the heating wire (2) and the flexible sheath (201) within the wire groove (101).

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