CN219306500U - Heating plate assembly for coffee machine - Google Patents

Abstract

The utility model discloses a heating plate component for a coffee machine, which comprises a main body; a thermal insulation plate detachably connected to the main body; the heating pipe fitting is accommodated in the main body and is oppositely arranged on the heat preservation plate to heat the coffee extraction water; the pressing strip is detachably connected to the main body and used for pressing the heating pipe fitting and the heat preservation disc on the main body; at least one fuse wire which is arranged above the heat preservation plate relatively, and one end of which is connected with the heating pipe fitting; and the thermal insulation plate is provided with a fuse fixing structure for limiting the fuse. According to the utility model, the fuse is fixed through the fuse fixing structure, so that the distance between the fuse and the heat-preserving plate and the distance between the fuse and the heat-preserving plate are limited, the position stability of the fuse is improved, the sensing temperature point is more comprehensive, and the phenomenon of false fusing caused by the fact that the distance between the fuse and the heat-preserving plate is too close is avoided; and the operation is simple, the stability is good, and the safety is higher.

Description

Heating plate assembly for coffee machine

Technical Field

The utility model relates to the technical field of coffee machines, in particular to a heating plate component for a coffee machine

Background

The heating pipes of the heating plate component of the coffee machine are respectively provided with water inlet and outlet ends, the heating pipes are used for heating, hot water is discharged, the side walls of the synchronous heating pipes generate heat, and the bottom heat preservation plate generates heat radiation. In order to ensure the use safety, fuses are required to be arranged on the side wall of the heating tube, the temperatures of different positions are greatly different, and the selection of the fuse positions and the position stability are important.

The existing coffee machine heating plate component generally has two fixing structures, namely:

one is limited on the side wall of the heating tube; the fuse is assembled in the limiting hole of the heating tube fixing strip manually through the connection of the internal lead after being spot-welded at the cold needle end of the heating tube. The disadvantages of this structure are: during assembly, the distance between the fuse and the side wall of the heating tube and the distance between the fuse and the heat insulation plate are manually controlled, and the fuse can shift in the transportation process and the later use process, so that the fuse is unstable in position and inaccurate in temperature sensing effect, and the fuse is fused by mistake.

Secondly, the heat pipe is tightly attached in the groove of the heating pipe; for the way in which the heat-generating tube fuse of a coffee machine is assembled, the prior art discloses the following patent applications: CN214964670U is an assembly structure of a heating tube assembly of a coffee machine, comprising: the fuse sleeve is positioned and installed between the fuse clamp and the heating element, and the fuse clamp is provided with a positioning convex part for blocking the fuse sleeve from the heating element; the heat insulation ring is provided with a pressing strip for relatively pressing the fuse sleeve and the fuse clamp, and the pressing strip is provided with a limiting part for preventing the fuse sleeve from loosening; the heat insulation ring is provided with a first buckling position and a first positioning stud for quick assembly of the pressing strip, one end of the pressing strip is buckled at the first buckling position, and the other end of the pressing strip is locked on the first positioning stud through a screw. The fuse sleeve with the structure is positioned and installed between the fuse clamp and the heating element, wherein the number of fuses is only one, the temperature point is single, the fuse sleeve is required to be added, and the cost is increased.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the technical problem of providing the heating plate component for the coffee machine, which is characterized in that the fuse is fixed through the fuse fixing structure, so that the distance between the fuse and the heat insulation plate and between the fuse and the heating pipe fitting can be limited, the position stability of the fuse is improved, the induction temperature point is more comprehensive, and the phenomenon of false fusing caused by the fact that the fuse is too close to the heat insulation plate and the heat insulation plate is avoided; and the operation is simple, the stability is good, and the safety is higher.

(II) technical scheme

The utility model solves the technical problems that the proposal adopted by the utility model is a heating plate component for a coffee machine, comprising

A main body;

a thermal insulation plate detachably connected to the main body;

the heating pipe fitting is accommodated in the main body and is oppositely arranged on the heat preservation plate to heat the coffee extraction water;

the pressing strip is detachably connected to the main body and used for pressing the heating pipe fitting and the heat preservation disc on the main body;

at least one fuse wire which is arranged above the heat preservation plate relatively, and one end of which is connected with the heating pipe fitting;

and the thermal insulation plate is provided with a fuse fixing structure for limiting the fuse.

Specifically, the main body is penetrated up and down to form a cavity, wherein the heat preservation plate is assembled at one of the openings of the main body and is used for closing one of the opening ends of the main body; the two ends of the pressing strip are fixed on the main body through screws, the heating pipe fitting is pressed on the heat-preserving plate by the pressing strip, and the heat-preserving plate is pressed on the main body; preferably, the pressing strip comprises a pressing part for pressing the heating pipe fitting, downward flanges are arranged at two ends of the pressing part and are connected with the main body through the flanges, and grooves are formed in the pressing part, close to the two flanges, for accommodating the heating pipe fitting, so that the heating pipe fitting cannot deviate, and the stability is good; and, the layering is close to the recess is kept away from the one side of turn-ups is provided with the elastic component of buckling downwards for support and press and be located the pipe fitting that generates heat in the recess, thereby strengthen the stability of pipe fitting that generates heat.

By adopting the scheme, the fuse is fixed through the fuse fixing structure, so that the distance between the fuse and the heat-preserving plate and the distance between the fuse and the heat-preserving plate can be limited, the position stability of the fuse can be improved, the induction temperature point is more comprehensive, and the phenomenon of false fusing caused by the fact that the distance between the fuse and the heat-preserving plate is too close can be avoided; and the operation is simple, the stability is good, and the safety is higher.

Further, the fuse fixing structure comprises a first fixing piece and a second fixing piece, wherein the first fixing piece is used for limiting the fuse to be far away from one end of the fuse, which is connected with the heating pipe, the second fixing piece is used for limiting the first fixing piece, the first fixing piece is arranged on the heat insulation plate, one end of the second fixing piece is abutted against the first fixing piece, and the other end of the second fixing piece is limited on the pressing strip.

Preferably, the first fixing piece and the second fixing piece are of mica sheet structures.

Specifically, the first fixing piece is used for limiting the fuse, the second fixing piece is used for limiting the first fixing piece, and the pressing bar is used for limiting the second fixing piece, so that the front/back/left/right directions of the fuse can be limited; meanwhile, the distance between the fuse wire and the heating pipe fitting and the thermal insulation plate can be adjusted by adjusting the size and the position of the first fixing piece and the second fixing piece, the stability is good, the deviation can not occur, and the safety is high.

Further, the second fixing piece comprises a first clamping groove for clamping the first fixing piece and a second clamping groove for clamping the pressing strip, the pressing strip is provided with a limiting hole for limiting the second fixing piece, and correspondingly, the second fixing piece is provided with a limiting part which is adapted to the limiting hole.

Preferably, the first fixing piece further comprises a second clamping groove which is clamped with the first clamping groove in a relative mode.

Further, the second fixing part is relatively arranged above the first fixing part, the first clamping groove is formed in the lower end of the second fixing part, the second clamping groove is formed in the upper end of the second fixing part, the number of the second clamping grooves is two, the two clamping grooves are respectively clamped on two side walls of the pressing strip, and the limiting part is arranged between the two second clamping grooves.

Specifically, the second clamping groove is arranged, so that the pressing of the pressing strip to the second fixing piece can be realized, and the first clamping groove is arranged, so that the pressing of the second fixing piece to the first fixing piece can be realized, and the up-and-down movement of the first fixing piece and the second fixing piece is prevented; the arrangement of the limiting holes can realize the offset of the pressing strips in all directions of the second fixing piece, so that the fuse is more stably installed.

Further, the pressing strip is provided with a plurality of limiting holes along the length direction of the pressing strip, so that the fixing positions of the second fixing piece are more, and the fixing installation of fuses in different positions can be met.

Further, the water inlet end or the water outlet end of the heating pipe fitting is connected with one fuse, the first fixing piece is provided with a first clamping groove for clamping the fuse, one end of the fuse extending out of the first clamping groove is connected with the other fuse, and the second fixing piece is provided with a through hole for the fuse to pass through and for limiting the fuse; the structure is a double-fuse monopole structure.

Further, the water inlet end and the water outlet end of the heating pipe fitting are both connected with one fuse, two first fixing pieces are arranged on the heat insulation plate and are respectively used for clamping the two fuses, and a second fixing piece used for limiting the first fixing pieces is arranged on each first fixing piece; wherein, each first fixing piece is provided with a first clamping groove for clamping the fuse; the structure is a double-fuse bipolar structure.

Further, the water inlet end and the water outlet end of the heating pipe fitting are both connected with one fuse, and a first clamping groove for clamping the fuse is formed in the first fixing piece close to the water inlet end of the heating pipe fitting and the water outlet end of the heating pipe fitting; the second fixing piece is relatively clamped at the middle parts of the two first clamping grooves of the first fixing piece; the structure is a double-fuse bipolar structure.

Further, the heating pipe fitting is provided with a connecting portion connected with the fuse, and the fuse is welded on the connecting portion through spot welding.

Further, the main part is provided with and is used for holding the holding tank of thermal insulation dish, just the main part is close to holding tank department is provided with and is used for spacingly the spacing groove of thermal insulation dish, corresponding, the periphery wall of thermal insulation dish outwards protruding be formed with spacing bellying of spacing groove looks adaptation, spacing bellying with the cooperation of spacing groove can restrict thermal insulation dish's circumference rotary motion for overall structure is more stable.

(III) beneficial effects

Compared with the prior art, the utility model designs a heating plate component for a coffee machine,

(1) According to the utility model, the fuse is fixed through the fuse fixing structure, so that the distance between the fuse and the heat-preserving plate and the distance between the fuse and the heat-preserving plate are limited, the position stability of the fuse is improved, the sensing temperature point is more comprehensive, and the phenomenon of false fusing caused by the fact that the distance between the fuse and the heat-preserving plate is too close is avoided; the operation is simple, the stability is good, and the safety is higher;

(2) In the fuse fixing structure, the first fixing piece is used for limiting the fuse, the second fixing piece is used for limiting the first fixing piece, and the pressing bar is used for limiting the second fixing piece, so that the front/back/left/right directions of the fuse can be limited; meanwhile, the distance between the fuse wire and the heating pipe fitting and the thermal insulation plate can be adjusted by adjusting the size and the position of the first fixing piece and the second fixing piece, the stability is good, the deviation can not occur, and the safety is high.

Drawings

FIG. 1 is a schematic view of a heating plate assembly for a coffee machine according to a first embodiment;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is an exploded view of a heating plate assembly for a coffee machine according to the first embodiment;

FIG. 4 is an enlarged schematic view of FIG. 3B;

FIG. 5 is a schematic view of a molding of the first embodiment;

FIG. 6 is a schematic view of a first fixing member according to the first embodiment;

FIG. 7 is a schematic view of a heating plate assembly for a coffee machine according to a second embodiment;

FIG. 8 is a schematic view of a heating plate assembly for a coffee machine according to a third embodiment;

fig. 9 is a schematic view of a first fixing member according to a third embodiment.

Reference numerals illustrate: 1. a main body; 11. a receiving groove; 12. a limit groove; 2. a thermal insulation plate; 21. a limit protruding part; 3. a heating pipe fitting; 31. a connection part; 4. pressing strips; 41. a limiting hole; 42. a pressing part; 43. flanging; 44. a groove; 45. an elastic member; 5. a fuse; 6. a first fixing member; 61. a first engagement groove; 62. a second engagement groove; 7. a second fixing member; 71. a first clamping groove; 72. a second clamping groove; 73. a limit part; 74. and (5) perforating.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

as shown in fig. 1 to 6, a heating plate assembly for a coffee machine of the present embodiment includes a main body 1; a thermal insulation plate 2 detachably connected to the main body 1; a heating pipe 3 which is accommodated in the main body 1 and is provided on the thermal insulation plate 2 so as to heat the coffee extraction water; a pressing bar 4 detachably connected to the main body 1 for pressing the heat-generating pipe 3 and the thermal insulation plate 2 against the main body 1; two fuses 5 disposed above the thermal insulation plate 2, wherein one end of one fuse 5 is connected with the heating pipe 3; wherein, the thermal insulation plate 2 is provided with a fuse 5 fixing structure for limiting the fuse 5. Specifically, the main body 1 is vertically penetrated to form a cavity, wherein the thermal insulation disc 2 is assembled at one of the openings of the main body 1 and is used for closing one of the opening ends of the main body 1; two ends of the pressing strip 4 are fixed on the main body 1 through screws, and the pressing strip 4 presses the heating pipe fitting 3 on the heat insulation plate 2 and presses the heat insulation plate 2 on the main body 1; preferably, the pressing strip 4 includes a pressing portion 42 for pressing the heating tube 3, two ends of the pressing portion 42 are provided with downward flanges 43, and the pressing portion 42 is connected with the main body 1 through the flanges 43, and meanwhile, the pressing portion 42 is provided with grooves 44 near the two flanges 43 for accommodating the tube of the heating tube 3, so that the tube cannot deviate, and the stability is good; and, the side of the pressing strip 4, which is close to the groove 44 and is far away from the flanging 43, is provided with a downward bent elastic piece 45 for pressing the heating pipe fitting 3 positioned in the groove 44, so that the stability of the heating pipe fitting 3 is enhanced. By adopting the scheme, the fuse 5 is fixed through the fuse 5 fixing structure, so that the distance between the fuse 5 and the heat preservation plate 2 and the heating pipe fitting 3 can be limited, the position stability of the fuse 5 is improved, the sensing temperature point is more comprehensive, and the phenomenon of false fusing caused by the fact that the fuse 5 is too close to the heat preservation plate 2 is avoided; and the operation is simple, the stability is good, and the safety is higher.

As shown in fig. 1-4 and 6, the fuse 5 fixing structure further includes a first fixing member 6 for limiting the fuse 5 away from an end connected with the heating tube 3, and a second fixing member 7 for limiting the first fixing member 6, wherein the first fixing member 6 is disposed on the thermal insulation plate 2, one end of the second fixing member 7 abuts against the first fixing member 6, and the other end is limited on the pressing strip 4. Preferably, the first fixing member 6 and the second fixing member 7 are of mica sheet structure. Specifically, the first fixing piece 6 is used for limiting the fuse 5, the second fixing piece 7 is used for limiting the first fixing piece 6, and the pressing bar 4 is used for limiting the second fixing piece 7, so that the fuse 5 can be limited in all directions of front/back/left/right; meanwhile, the distance between the fuse 5 and the heating pipe fitting 3 and the heat preservation plate 2 can be adjusted by adjusting the size and the position of the first fixing piece 6 and the second fixing piece 7, the stability is good, the deviation can not occur, and the safety is high. Further, the second fixing member 7 includes a first clamping groove 71 for clamping the first fixing member 6, and a second clamping groove 72 for clamping the pressing bar 4, and the pressing bar 4 is provided with a limiting hole 41 for limiting the second fixing member 7, and correspondingly, the second fixing member 7 is provided with a limiting portion 73 adapted to the limiting hole 41. Preferably, the first fixing member 6 further includes a second engaging groove 62 opposite to the first engaging groove 71. Further, the second fixing member 7 is disposed above the first fixing member 6, the first clamping groove 71 is disposed at a lower end of the second fixing member 7, the second clamping grooves 72 are disposed at an upper end of the second fixing member 7, the two second clamping grooves 72 are respectively engaged with two side walls of the pressing bar 4, and the limiting portion 73 is disposed between the two second clamping grooves 72. Specifically, the second clamping groove 72 is configured to enable the pressing bar 4 to press the second fixing piece 7, and the first clamping groove 71 is configured to enable the second fixing piece 7 to press the first fixing piece 6, so as to prevent the first fixing piece 6 and the second fixing piece 7 from moving up and down; the limiting holes 41 can realize the offset of the pressing strip 4 to the second fixing piece 7 in all directions in the transverse direction, so that the fuse 5 is installed more stably. Further, the batten 4 is provided with five limiting holes 41 along the length direction thereof, so that the fixing positions of the second fixing piece 7 are more, and the fixing installation of fuses 5 at different positions is satisfied. Further, the water inlet end of the heating pipe 3 is connected with one fuse 5, the first fixing member 6 is provided with a first clamping groove 61 for clamping the fuse 5, one end of the fuse 5 extending out of the first clamping groove 61 is connected with the other fuse 5, and the second fixing member 7 is provided with a through hole 74 for the other fuse 5 to pass through and for limiting the fuse 5; the structure is a double-fuse monopole structure.

As shown in fig. 3, further, the heat generating pipe 3 is provided with a connection portion 31 to which the fuse 5 is connected, and the fuse 5 is welded to the connection portion 31 by spot welding. Further, the main body 1 is provided with a containing groove 11 for containing the thermal insulation plate 2, and the main body 1 is close to the containing groove 11 and is provided with a limiting groove 12 for limiting the thermal insulation plate 2, correspondingly, the outer peripheral wall of the thermal insulation plate 2 is outwards protruded to form a limiting protruding portion 21 matched with the limiting groove 12, and the limiting protruding portion 21 is matched with the limiting groove 12 to limit the circumferential rotary motion of the thermal insulation plate 2, so that the overall structure is more stable. Wherein a sealing ring is arranged between the thermal insulation plate 2 and the accommodating groove 11 to enhance the sealing property.

Embodiment two:

the difference between this embodiment and the first embodiment is that:

in this embodiment, as shown in fig. 7, the water inlet end and the water outlet end of the heating tube 3 are both connected with one fuse 5, two first fixing members 6 are respectively disposed on the thermal insulation plate 2 and are used for clamping the two fuses 5, and each first fixing member 6 is provided with a second fixing member 7 for limiting the first fixing member 6; wherein each of the first fixing members 6 is provided with a first engaging groove 61 for engaging the fuse 5; the structure is a double-fuse bipolar structure. The structure of the first fixing member 6 in this embodiment is the same as that in the first embodiment described above.

Embodiment III:

the difference between this embodiment and the first and second embodiments is that:

as shown in fig. 8-9, in this embodiment, the water inlet end and the water outlet end of the heating tube 3 are both connected with one fuse 5, and then the first fixing member 6 is provided with a first clamping groove 61 for clamping the fuse 5 near the water inlet end of the heating tube 3 and near the water outlet end of the heating tube 3; the second fixing piece 7 is relatively clamped at the middle parts of the two first clamping grooves 61 of the first fixing piece 6; the structure is a double-fuse bipolar structure.

The fuse fixing structure can fix a double-fuse monopole structure and a double-fuse dipole structure, and can meet the safety requirements of American regulations and European regulations.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. A coffee machine heating plate assembly, characterized in that: comprising

A main body (1);

a thermal insulation plate (2) detachably connected to the main body (1);

a heating pipe (3) which is accommodated in the main body (1) and is arranged on the heat preservation plate (2) relatively to heat the water for coffee extraction;

a pressing bar (4) detachably connected to the main body (1) and used for pressing the heating pipe fitting (3) and the heat insulation plate (2) on the main body (1);

at least one fuse (5) which is arranged above the heat preservation plate (2) relatively, and one end of which is connected with the heating pipe fitting (3);

the thermal insulation plate (2) is provided with a fuse (5) fixing structure for limiting the fuse (5).

2. A heating plate assembly for a coffee machine according to claim 1, wherein: the fuse (5) fixed knot constructs including being used for limiting fuse (5) keep away from its with generate heat first mounting (6) of one end that pipe fitting (3) is connected, and be used for limiting second mounting (7) of first mounting (6), wherein, first mounting (6) are located on thermal insulation dish (2), the one end butt of second mounting (7) first mounting (6), the other end is limited by on layering (4).

3. A heating plate assembly for a coffee machine as claimed in claim 2, wherein: the second fixing piece (7) comprises a first clamping groove (71) used for being clamped with the first fixing piece (6) and a second clamping groove (72) used for being clamped with the pressing bar (4), the pressing bar (4) is provided with a limiting hole (41) used for limiting the second fixing piece (7), and the second fixing piece (7) is provided with a limiting part (73) matched with the limiting hole (41).

4. A heating plate assembly for a coffee machine according to claim 3, wherein: the second fixing piece (7) is relatively arranged above the first fixing piece (6), the first clamping groove (71) is formed in the lower end of the second fixing piece (7), the second clamping grooves (72) are formed in the upper end of the second fixing piece (7), the two second clamping grooves (72) are respectively clamped on two side walls of the pressing strip (4), and the limiting part (73) is formed between the two second clamping grooves (72).

5. A heating plate assembly for a coffee machine according to claim 3, wherein: the pressing strip (4) is provided with a plurality of limiting holes (41) along the length direction.

6. A heating plate assembly for a coffee machine according to any one of claims 2-5, characterized in that: the utility model discloses a fuse, including heating pipe fitting (3), fuse (5) are connected with to the water inlet end or the water outlet end of heating pipe fitting (3), first mounting (6) are provided with first block groove (61) that are used for the block fuse (5), wherein, fuse (5) stretch out one end of first block groove (61) is connected with another fuse (5), and is corresponding, second mounting (7) are provided with and supply perforation (74) that this fuse (5) pass and are used for spacing this fuse (5).

7. A heating plate assembly for a coffee machine according to any one of claims 2-5, characterized in that: the water inlet end and the water outlet end of the heating pipe fitting (3) are connected with one fuse (5), two first fixing pieces (6) are arranged on the heat insulation plate (2) and are respectively used for clamping the two fuses (5), and a second fixing piece (7) used for limiting the first fixing pieces (6) is arranged on each first fixing piece (6); wherein each first fixing member (6) is provided with a first engaging groove (61) for engaging the fuse (5).

8. A heating plate assembly for a coffee machine according to any one of claims 2-5, characterized in that: the water inlet end and the water outlet end of the heating pipe fitting (3) are both connected with one fuse (5), and a first clamping groove (61) for clamping the fuse (5) is formed in the first fixing piece (6) close to the water inlet end of the heating pipe fitting (3) and the water outlet end of the heating pipe fitting (3); and the second fixing piece (7) is relatively clamped at the middle parts of the two first clamping grooves (61) of the first fixing piece (6).

9. A heating plate assembly for a coffee machine according to claim 1, wherein: the heating pipe fitting (3) is provided with a connecting part (31) connected with the fuse (5), and the fuse (5) is welded on the connecting part (31) through spot welding.

10. A heating plate assembly for a coffee machine according to claim 1, wherein: the main body (1) is provided with a containing groove (11) for containing the thermal insulation disc (2), and the main body (1) is close to the containing groove (11) and is provided with a limiting groove (12) for limiting the thermal insulation disc (2), and correspondingly, the periphery wall of the thermal insulation disc (2) protrudes outwards to form a limiting protruding portion (21) matched with the limiting groove (12).

Images