Adjustable liquid expansion type temperature controller

Abstract

The utility model discloses an adjustable liquid expansion type temperature controller, which comprises a bottom plate, a first ceramic ring, a second ceramic ring and a third ceramic ring are arranged on the bottom plate, a top cover is arranged on the upper side of the third ceramic ring, a contact piece is arranged between the first ceramic ring and the second ceramic ring, a static contact is fixedly arranged on the contact piece, and the static contact is connected with the top cover. An elastic piece support is arranged between the second ceramic ring and the third ceramic ring, an elastic piece is connected to the lower side of the elastic piece support in a spot welding mode, an insertion hole is further formed in the elastic piece, a protruding part capable of being inserted into the insertion hole and conducting positioning and reinforcing is arranged on the elastic piece support, the elastic piece is buckled on the elastic piece support, the elastic piece is firmer after spot welding, and the elastic piece is not prone to falling off. The elastic sheet support is good in contact and not prone to falling off, and the elastic sheet support is integrated and convenient to install; a fastening clamping ring is additionally arranged, so that the liquid expansion diaphragm capsule is installed more stably, and the temperature control precision is guaranteed; the retaining ring penetrated by the capillary tube is arranged, so that the capillary tube is limited more stably and prevented from sliding out accidentally.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of temperature controller, concretely relates to an adjustable liquid expansion type temperature controller. BACKGROUND

[0002] Different appliances have different alarm and disconnect temperatures, and the traditional liquid expansion type temperature controller cannot well adjust its set on-off temperature according to the required temperature of the appliance, so its temperature adjustment effect is poor, and further, due to long-term use and high internal temperature of the appliance, the traditional liquid expansion type temperature controller cannot reliably ensure the accuracy of the on-off temperature, not only the temperature adjustment effect is poor, but also there is a certain safety hazard.

[0003] The Chinese utility model patent with the application number 202321212964.3 proposes an adjustable liquid expansion type temperature controller to solve the above problems, but it still has certain deficiencies:

[0004] 1. It connects the reed and the reed mounting plate through the transition block and the positioning column, but the positioning column only passes through the reed and the reed mounting plate and is not completely fixed, and may be loose after long-term use, and in addition, the transition block and the reed mounting plate are not an integral structure, resulting in inconvenient installation;

[0005] 2. It limits and fixes the capillary tube through the line bar, but the line bar has a large opening, which can easily cause the capillary tube to accidentally slide out and be unstable in limiting;

[0006] 3. The liquid expansion membrane box is directly inserted into the membrane box mounting hole for installation and fixation, and no other auxiliary reinforcing mechanism is added, so the membrane box may be loose and biased, affecting the temperature control accuracy.

[0007] Accordingly, the utility model provides an adjustable liquid expansion type temperature controller to solve the above problems. CONTENT OF THE UTILITY MODEL

[0008] In order to overcome the defects in the above-mentioned prior art, the utility model provides an adjustable liquid expansion type temperature controller, which fastens the reed on the reed support, is more firm after spot welding, has good contact and is not easy to fall off, and the reed support is an integral type, facilitating installation; by adding the fastening ring, the liquid expansion membrane box is installed more stably, ensuring the temperature control accuracy; the clasp penetrated by the capillary tube is set, making the capillary tube limiting more stable and avoiding accidental sliding out of the capillary tube.

[0009] TECHNICAL SCHEME

[0010] The adjustable liquid expansion temperature controller comprises a bottom plate, a first porcelain ring, a second porcelain ring and a third porcelain ring are arranged on the bottom plate, a top cover is arranged on the upper side of the third porcelain ring, a contact sheet is arranged between the first porcelain ring and the second porcelain ring, a static contact point is fixed on the contact sheet, a spring sheet support is arranged between the second porcelain ring and the third porcelain ring, a spring sheet is point welded and connected to the lower side of the spring sheet support, a jack is further arranged on the spring sheet, a protruding part capable of being inserted into the jack and being positioned and reinforced is arranged on the spring sheet support, a dynamic contact point capable of being in contact with the static contact point is fixed on the side of the spring sheet away from the protruding part, a temperature control mechanism for controlling the temperature of the temperature controller is arranged on the upper side of the top cover, a mounting part is arranged on the bottom plate, a through hole is arranged on the mounting part, a liquid expansion film box is inserted and mounted in the through hole, a fastening ring capable of being penetrated by the liquid expansion film box and used for reinforcing the liquid expansion film box is further fixed on the inner lower side of the mounting part, a capillary tube is connected to the liquid expansion film box, the other end of the capillary tube is connected to a liquid expansion part, and a porcelain rice for pushing the spring sheet is further fixed on the upper side of the liquid expansion film box.

[0011] Further, the lower side of the bottom plate is fixed with a buckle ring for limiting and fixing the capillary tube.

[0012] Further, a first wiring sheet is arranged between the contact sheet and the second porcelain ring, a second wiring sheet is arranged between the spring sheet support and the third porcelain ring, a porcelain tube is further fixed on the bottom plate, the porcelain tube penetrates the first porcelain ring, the contact sheet, the first wiring sheet, the second porcelain ring, the spring sheet support, the second wiring sheet, the third porcelain ring, and a rivet for fixing the top cover and the bottom plate is further penetrated in the porcelain tube.

[0013] Further, a limiting end for limiting the dynamic contact point is arranged on the spring sheet support, and a convex end for abutting against the porcelain rice is arranged on the lower side of the spring sheet.

[0014] Further, the temperature control mechanism comprises a mounting hole arranged on the top cover, an adjusting shaft is inserted and threadedly connected in the mounting hole, an adjusting screw is threadedly connected in the adjusting shaft, a porcelain column slidingly connected to the adjusting shaft is fixedly connected to the lower end of the adjusting screw, the lower end of the porcelain column abuts against the spring sheet support, a limiting sheet fixed to the adjusting shaft is further arranged on the upper side of the top cover, and a blocking sheet for blocking the limiting sheet is further arranged.

[0015] Further, two matching holes are arranged on the side of the top cover away from the rivet, and an insertion end capable of being inserted into the matching hole is arranged on the side of the bottom plate away from the rivet.

[0016] Further, the top cover and the bottom plate are further provided with a first dustproof cover and a second dustproof cover, two buckles are arranged on the side of the first dustproof cover close to the second dustproof cover, and a clamping hole for matching the buckles is arranged on the side of the second dustproof cover close to the first dustproof cover.

[0017] Further, the first dustproof cover is further provided with a through groove capable of being penetrated by the first connecting piece and the second connecting piece.

[0018] Advantages

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] By buckling the elastic sheet on the elastic sheet support, the point welding is more firm, the contact is good, and the elastic sheet support is integrated, so that the installation is facilitated; by additionally arranging the fastening ring, the installation of the liquid expansion film box is more stable, and the temperature control precision is guaranteed; the clasp ring penetrated by the capillary tube is arranged, so that the capillary tube is more stably limited, and the capillary tube is prevented from sliding out accidentally. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the utility model;

[0022] Figure 2 It is a structure schematic view of the utility model;

[0023] Figure 3 It is a structure schematic view of the utility model;

[0024] Figure 4 It is a structure schematic view of the utility model;

[0025] Figure 5 It is a structure schematic view of the utility model;

[0026] Figure 6 It is a sectional view of the utility model;

[0027] Figure 7 It is a structure schematic view of the utility model;

[0028] Figure 8 It is a structure schematic view of the utility model;

[0029] Figure 9 It is a structure schematic view of the utility model;

[0030] Figure 10 It is a structure schematic view of the utility model;

[0031] Figure 11 It is a structure schematic view of the utility model;

[0032] Figure 12 Fig. 1 is a structural schematic view of the first lug and the second lug;

[0033] Figure 13 Fig. 4 is a structural schematic view of the buckle.

[0034] Reference signs

[0035] Temperature control mechanism 900, second dustproof cover 1, bottom plate 2, first dustproof cover 3, second lug 4, rivet 5, top cover 6, adjusting shaft 7, capillary tube 8, liquid expansion piece 9, limiting sheet 10, elastic sheet support 12, limiting end 121, protruding part 122, liquid expansion film box 13, porcelain bead 14, elastic sheet 15, insertion hole 151, convex end 152, mounting part 16, fastening clasp 17, static contact 18, dynamic contact 19, porcelain column 21, adjusting screw 22, insertion end 24, through slot 25, buckle 26, matching hole 27, mounting hole 28, clamping hole 29, first lug 30, blocking sheet 31, buckle 32, first porcelain ring 33, second porcelain ring 34, third porcelain ring 35, porcelain tube 36, contact sheet 37, through hole 38. DETAILED DESCRIPTION

[0036] In order to better illustrate the content of the utility model, the following will be expanded and described in combination with the drawings and the implementation examples:

[0037] There is Figures 1-13 The utility model discloses a kind of adjustable liquid expansion type temperature controller, including bottom plate 2, first porcelain ring 33, second porcelain ring 34, third porcelain ring 35 are provided on the bottom plate 2, the upper side of the third porcelain ring 35 is provided with top cover 6, contact sheet 37 is provided between the first porcelain ring 33 and the second porcelain ring 34, static contact 18 is fixed on the contact sheet 37, elastic sheet support 12 is provided between the second porcelain ring 34 and the third porcelain ring 35, the lower side of the elastic sheet support 12 is connected with elastic sheet 15 by spot welding, insertion hole 151 is also provided on the elastic sheet 15, protruding part 122 that can be inserted into the insertion hole 151 and positioned and reinforced is provided on the elastic sheet support 12, dynamic contact 19 that can be contacted with the static contact 18 is fixed on the side of the elastic sheet 15 away from the protruding part 122, temperature control mechanism 900 for controlling temperature control temperature is provided on the upper side of the top cover 6, mounting part 16 is provided on the bottom plate 2, through hole 38 is provided on the mounting part 16, liquid expansion film box 13 is inserted and mounted in the through hole 38, fastening clasp 17 that can be penetrated by the liquid expansion film box 13 and be used for reinforcing the liquid expansion film box 13 is also fixed on the inside lower side of the mounting part 16, capillary tube 8 is connected with the liquid expansion film box 13, the other end of the capillary tube 8 is connected with liquid expansion piece 9, porcelain bead 14 for pushing the elastic sheet 15 is also fixed on the upper side of the liquid expansion film box 13.

[0038] Further, the bottom plate 2 is provided with a buckle ring 32 on the lower side for limiting and fixing the capillary tube 8.

[0039] Further, a first wiring piece 30 is arranged between the contact sheet 37 and the second porcelain ring 34, and a second wiring piece 4 is arranged between the elastic sheet support 12 and the third porcelain ring 35. A porcelain tube 36 is further fixed on the bottom plate 2, which penetrates the first porcelain ring 33, the contact sheet 37, the first wiring piece 30, the second porcelain ring 34, the elastic sheet support 12, the second wiring piece 4, and the third porcelain ring 35. A rivet 5 for fixing the top cover 6 and the bottom plate 2 is further arranged in the porcelain tube 36.

[0040] Further, the elastic sheet support 12 is provided with a limiting end 121 for limiting the moving contact 19, and the lower side of the elastic sheet 15 is provided with a convex end 152 for abutting against the porcelain rice 14.

[0041] Further, the temperature control mechanism 900 comprises a mounting hole 28 arranged on the top cover 6, a adjusting shaft 7 inserted and threadedly connected in the mounting hole 28, an adjusting screw 22 threadedly connected in the adjusting shaft 7, a porcelain column 21 fixedly connected to the lower end of the adjusting screw 22 and slidably connected to the adjusting shaft 7, the lower end of the porcelain column 21 abutting against the elastic sheet support 12, and a limiting sheet 10 fixedly connected to the adjusting shaft 7 and arranged on the upper side of the top cover 6, and a blocking sheet 31 for blocking the limiting sheet 10.

[0042] Further, the side of the top cover 6 away from the rivet 5 is provided with two matching holes 27, and the side of the bottom plate 2 away from the rivet 5 is provided with an insertion end 24 capable of being inserted into the matching holes 27.

[0043] Further, the first dust cover 3 and the second dust cover 1 are further arranged between the top cover 6 and the bottom plate 2. The side of the first dust cover 3 close to the second dust cover 1 is provided with two buckles 26, and the side of the second dust cover 1 close to the first dust cover 3 is provided with a clamping hole 29 for matching the buckles 26.

[0044] Further, the first dust cover 3 is further provided with a through groove 25 capable of being penetrated by the first wiring piece 30 and the second wiring piece 4.

[0045] Specifically, when the temperature rises, the liquid expansion piece 9 is heated, the liquid expansion film box 13 is heated and expanded, the porcelain rice 14 is lifted, the elastic sheet 15 is lifted through the convex end 152, the moving contact 19 is lifted and separated from the static contact 18, and the power is cut off.

[0046] When the temperature decreases, the liquid expansion film box 13 shrinks, the porcelain column 21 drops, the elastic sheet 15 makes the movable contact 19 move down and contact the static contact 18 under the action of its elasticity, and the power supply is realized;

[0047] When the temperature needs to be adjusted, the porcelain column 21 is made to drop by rotating the adjusting screw 22, so that the elastic sheet 15 and the convex end 152 drop, and the temperature can be triggered to be powered off when it is lower, so that the temperature control temperature is reduced, and the temperature control temperature can be increased by making the porcelain column 21 rise.

[0048] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the technical solutions of the present application have been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or replace some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An adjustable liquid-expansion temperature control, characterized by: The utility model provides a temperature control mechanism for controlling temperature, and the bottom plate (2) is provided with a mounting portion (16), and the mounting portion (16) is provided with a through hole (38), and the liquid expansion film box (13) is inserted and installed in the through hole (38), and the inside lower side of the mounting portion (16) is further fixed with a fastening ring (17) that can be penetrated by the liquid expansion film box (13) and is used for reinforcing the liquid expansion film box (13), and the liquid expansion film box (13) is connected with a capillary tube (8), and the other end of the capillary tube (8) is connected with a liquid expansion piece (9), and the upper side of the liquid expansion film box (13) is further fixed with a porcelain rice (14) that is used for pushing the elastic sheet (15).

2. A liquid-expansion temperature control device according to claim 1, wherein: The lower side of the bottom plate (2) is fixed with a buckle (32) that is used for limiting and fixing the capillary tube (8).

3. A liquid-expansion temperature control device according to claim 2, wherein: The contact sheet (37) and the second porcelain ring (34) are provided with a first wiring sheet (30), the elastic sheet support (12) and the third porcelain ring (35) are provided with a second wiring sheet (4), and the bottom plate (2) is further fixed with a porcelain pipe (36), the porcelain pipe (36) penetrates the first porcelain ring (33), the contact sheet (37), the first wiring sheet (30), the second porcelain ring (34), the elastic sheet support (12), the second wiring sheet (4) and the third porcelain ring (35), and the porcelain pipe (36) is further penetrated by a rivet (5) that is used for fixing the top cover (6) and the bottom plate (2).

4. A liquid-expansion temperature control device according to claim 3, wherein: The elastic sheet support (12) is provided with a limiting end (121) that is used for limiting the movable contact (19), and the lower side of the elastic sheet (15) is provided with a convex end (152) that is used for abutting against the porcelain rice (14).

5. A liquid-expansion temperature control device according to claim 4, wherein: The temperature control mechanism (900) comprises a mounting hole (28) arranged on the top cover (6), an adjusting shaft (7) is inserted and threadedly connected in the mounting hole (28), an adjusting screw (22) is threadedly connected in the adjusting shaft (7), a porcelain column (21) fixedly connected to the lower end of the adjusting screw (22) is slidingly connected to the adjusting shaft (7), the lower end of the porcelain column (21) abuts against the elastic sheet support (12), and the upper side of the top cover (6) is further provided with a limiting sheet (10) fixed to the adjusting shaft (7) and a blocking sheet (31) for blocking the limiting sheet (10).

6. A liquid-expansion temperature control device according to claim 5, wherein: The side, away from the rivet (5), of the top cover (6) is provided with two matching holes (27), and the side, away from the rivet (5), of the bottom plate (2) is provided with an insertion end (24) capable of being inserted into the matching holes (27).

7. A liquid-expansion temperature control device according to claim 6, wherein: The first dust cover (3) and the second dust cover (1) are further arranged between the top cover (6) and the bottom plate (2), the side, close to the second dust cover (1), of the first dust cover (3) is provided with two buckles (26), and the side, close to the first dust cover (3), of the second dust cover (1) is provided with clamping holes (29) for matching the buckles (26).

8. A liquid-expansion temperature control device according to claim 7, wherein: The first dust cover (3) is further provided with a through groove (25) capable of being penetrated by the first wiring sheet (30) and the second wiring sheet (4).

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