Liquid expansion type temperature controller

Abstract

The utility model discloses a liquid expansion type temperature controller which comprises an upper shell and a lower shell, the outer side face of the lower shell is provided with a plurality of clamping grooves, and the upper shell is provided with a plurality of clamping parts which are matched with the clamping grooves and used for locking the upper shell and the lower shell. An opening is formed in the upper shell, a dustproof plate used for blocking the opening is further arranged on the upper shell, a temperature control structure used for achieving temperature control is arranged in the upper shell and the lower shell, control is conducted through a double-elastic-piece structure of a first elastic piece and a second elastic piece, and different temperature amplitude requirements of customers can be met; the problem that a single-elastic-sheet structure in the market is light in hand feeling when a rotating shaft rotates to the highest end is solved. The original screw fixation is changed into buckle riveting fixation, so that the cost is saved, and the production efficiency is improved; and the dustproof plate is added to prevent foreign matters from entering to influence product performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of liquid expansion type temperature controller, specifically relates to a liquid expansion type temperature controller. BACKGROUND

[0002] The liquid expansion type temperature controller is through liquid expansion piece and capillary to carry out heat transfer, thereby control liquid expansion membrane box deformation, push porcelain rice movement to realize circuit on-off, thereby realize to the control of heating temperature,

[0003] The existing liquid expansion type temperature controller shell upper side exists the opening, can cause the foreign matter to enter the shell interior, thereby influence product performance, the upper and lower shell of existing liquid expansion type temperature controller are more bolt structure and are fixed, the cost is relatively higher, the production efficiency is low, and further optimization is needed, and the single elastic sheet structure temperature controller on the market has the problem that the hand feeling is very light when the sensitivity regulator shaft is rotated to the highest end, according to this, the utility model provides a liquid expansion type temperature controller. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects in the prior art, the utility model provides a liquid expansion type temperature controller, which is controlled by the double elastic sheet structure of the first elastic sheet and the second elastic sheet, can meet the different temperature amplitude requirements of customers, solves the problem that the single elastic sheet structure on the market has very light hand feeling when the shaft is rotated to the highest end, changes the screw fixing to buckle rivet fixing, saves the cost, improves the production efficiency, and increases the dust plate to prevent foreign matter from entering and affecting the product performance.

[0005] TECHNICAL SCHEME

[0006] A liquid expansion type temperature controller, including upper shell and lower shell, the outside of the lower shell is provided with a plurality of clamping grooves, the upper shell is provided with a plurality of clamping grooves for locking the upper shell and the lower shell, the upper shell is also provided with a dust plate for plugging the opening, the inside of the upper shell and the lower shell is provided with a temperature control structure for realizing temperature control.

[0007] Further, the temperature control structure includes a first conductive sheet riveted to the lower shell by a first rivet and a second conductive sheet riveted to the lower shell by a second rivet, the lower shell is also provided with an abutting end, the first elastic sheet is sleeved on the abutting end, the other end of the first elastic sheet is fixed together with the second conductive sheet through the second rivet, the lower side of the first elastic sheet is provided with a second elastic sheet also sleeved in the abutting end.

[0008] Further, the lower side of the end of the second elastic sheet away from the abutting end is provided with a moving contact, and the lower side of the moving contact can contact a stationary contact fixed on the first conductive sheet.

[0009] Further, a middle layer plate is arranged between the upper shell and the lower shell, and a through hole is formed in the middle layer plate.

[0010] Further, an adjuster for adjusting sensitivity of the temperature controller is rotatably connected to the upper shell.

[0011] Further, a liquid expansion film box is arranged at the lower side of the adjuster, and a porcelain column is connected to the lower end of the liquid expansion film box and abuts against the first elastic sheet through the through hole.

[0012] Further, a capillary tube is connected to the liquid expansion film box, and a liquid expansion member is connected to the other end of the capillary tube.

[0013] Advantages

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The double elastic sheet structure of the first elastic sheet and the second elastic sheet can meet different temperature amplitude requirements of customers, solve the problem that the single elastic sheet structure in the market feels very light when the rotating shaft is rotated to the highest end, and change the screw fixing into buckle rivet fixing to save cost and improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic view of a liquid expansion type temperature controller according to the utility model;

[0017] Figure 2 Fig. 2 is a structural schematic view of the inside of an upper shell;

[0018] Figure 3 Fig. 3 is a structural schematic view of a lower shell;

[0019] Figure 4 Fig. 4 is a structural schematic view of an upper shell;

[0020] Figure 5 Fig. 5 is a structural schematic view of a middle layer plate;

[0021] Figure 6 Fig. 6 is a structural schematic view of a temperature control structure;

[0022] Figure 7 Fig. 7 is an assembly structural schematic view of a first elastic sheet and a second elastic sheet;

[0023] Figure 8 Fig. 8 is a structural schematic view of a first elastic sheet;

[0024] Figure 9 Fig. 9 is a structural schematic view of a second elastic sheet;

[0025] Figure 10 Fig. 10 is a sectional view of the utility model.

[0026] Figure 11 The three-dimensional sectional view of the utility model.

[0027] Reference Signs

[0028] Temperature control structure 900, upper shell 1, lower shell 2, capillary tube 3, liquid expansion piece 4, regulator 5, second conductive sheet 6, dustproof plate 7, first conductive sheet 8, middle layer plate 9, clamping groove 10, opening 11, clamping portion 12, liquid expansion film box 13, first elastic sheet 14, second elastic sheet 15, movable contact 16, fixed contact 17, first rivet 18, second rivet 19, abutting end 20, porcelain column 21, through hole 22. DETAILED DESCRIPTION

[0029] In order to better illustrate the content of the utility model, the following will be expanded with the description of the drawings and the embodiment:

[0030] There are Figures 1-9 As shown in the utility model discloses a kind of liquid expansion temperature controller, including upper shell 1 and lower shell 2, the outside of the lower shell 2 is provided with several clamping grooves 10, the upper shell 1 is provided with several clamping portions 12 for locking the upper shell 1 with the lower shell 2 with the clamping groove 10 adaptation, the upper shell 1 is also provided with dustproof plate 7 for plugging opening 11, the inside of the upper shell 1 with the lower shell 2 is provided with temperature control structure 900 for realizing temperature control.

[0031] Further, the temperature control structure 900 includes the first conductive sheet 8 riveted to the lower shell 2 by the first rivet 18 and the second conductive sheet 6 riveted to the lower shell 2 by the second rivet 19, the lower shell 2 is also provided with the abutting end 20, the first elastic sheet 14 is sleeved on the abutting end 20, the other end of the first elastic sheet 14 is fixed together with the second conductive sheet 6 by the second rivet 19, the lower side of the first elastic sheet 14 is provided with the second elastic sheet 15 also sleeved in the abutting end 20.

[0032] Further, the lower side of the end of the second elastic sheet 15 away from the abutting end 20 is provided with the movable contact 16, the lower side of the movable contact 16 can be contacted with the fixed contact 17 fixed on the first conductive sheet 8.

[0033] Further, the middle layer plate 9 is arranged between the upper shell 1 and the lower shell 2, and the through hole 22 penetrates the middle layer plate 9.

[0034] Further, the regulator 5 for adjusting the sensitivity of the temperature controller is rotatably connected to the upper shell 1.

[0035] Further, the lower side of the adjuster 5 is provided with a liquid expansion film box 13, and the lower end of the liquid expansion film box 13 is connected with a porcelain column 21 penetrating through the through hole 22 and abutting against the first elastic sheet 14.

[0036] Further, the liquid expansion film box 13 is connected with a capillary tube 3, and the other end of the capillary tube 3 is connected with a liquid expansion piece 4.

[0037] Further, the upper shell 1 and the lower shell 2 adopt BMC material.

[0038] Specifically, at low temperature, the liquid expansion film box 13 shrinks, the porcelain column 21 rises, the first elastic sheet 14 restores the shape upward, and the second elastic sheet 15 restores the shape and moves downward at the right end due to the loss of the extrusion of the first elastic sheet 14, so that the movable contact 16 and the fixed contact 17 are in contact, and at this time, the circuit is connected;

[0039] When the temperature rises, the temperature contacted by the liquid expansion piece 4 rises, and then is transmitted to the liquid expansion film box 13 through the capillary tube 3, and then the liquid expansion film box 13 expands, at this time, the porcelain column 21 moves downward, and then extrudes the first elastic sheet 14 downward, so that the second elastic sheet 15 is tilted upward at the right end due to the extrusion force, and then the movable contact 16 and the fixed contact 17 are disconnected, the circuit is disconnected, and the automatic power-off control when heating is realized;

[0040] Through the control of the double elastic sheet structure of the first elastic sheet 14 and the second elastic sheet 15, different temperature amplitude requirements of customers can be met, and the problem that the single elastic sheet structure in the market is very light when the rotating shaft rotates to the highest end is solved;

[0041] The original screw fixing is changed to buckle rivet fixing, the cost is saved, and the production efficiency is improved;

[0042] The dustproof plate 7 is added to prevent foreign matters from entering and affecting the product performance.

[0043] 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 are 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 equivalently 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. A liquid expansion temperature control device characterized by: The utility model provides a temperature controller, which comprises an upper shell (1) and a lower shell (2), wherein the outer side of the lower shell (2) is provided with a plurality of clamping grooves (10), the upper shell (1) is provided with a plurality of clamping parts (12) adapted to the clamping grooves (10) for locking the upper shell (1) and the lower shell (2), and the upper shell (1) is further provided with a dustproof plate (7) for plugging an opening (11); the inside of the upper shell (1) and the lower shell (2) is provided with a temperature control structure (900) for realizing temperature control.

2. A liquid-expanding temperature controller according to claim 1, wherein: The temperature control structure (900) comprises a first conductive sheet (8) riveted to the lower shell (2) through a first rivet (18) and a second conductive sheet (6) riveted to the lower shell (2) through a second rivet (19); the lower shell (2) is further provided with an abutting end (20), the abutting end (20) is sleeved with a first elastic sheet (14), one end of the first elastic sheet (14) is fixed together with the second conductive sheet (6) through the second rivet (19), and the lower side of the first elastic sheet (14) is provided with a second elastic sheet (15) also sleeved with the abutting end (20).

3. A liquid-expanding temperature control device according to claim 2, wherein: The lower side of one end of the second elastic sheet (15) away from the abutting end (20) is fixedly provided with a moving contact (16), and the lower side of the moving contact (16) can contact a stationary contact (17) fixedly provided on the first conductive sheet (8).

4. A liquid-expanding temperature control device according to claim 3, wherein: The upper shell (1) and the lower shell (2) are provided with a middle layer plate (9), and the middle layer plate (9) is provided with a through hole (22).

5. A liquid-expanding temperature control device according to claim 4, wherein: The upper shell (1) is rotatably connected with an adjuster (5) for adjusting the sensitivity of the temperature controller.

6. A liquid expansion temperature control device according to claim 5, wherein: The lower side of the adjuster (5) is provided with a liquid expansion film box (13), and the lower end of the liquid expansion film box (13) is connected with a porcelain column (21) penetrating through the through hole (22) and abutting against the first elastic sheet (14).

7. A liquid expansion temperature control device according to claim 6, wherein: The liquid expansion film box (13) is connected with a capillary tube (3), and the other end of the capillary tube (3) is connected with a liquid expansion piece (4).

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