CN218299706U - Liquid expansion temperature controller with more stable on-off performance - Google Patents

Abstract

The utility model discloses a liquid that break-make performance is more stable rises temperature controller, which comprises a base, the upside of base passes through rivet fixed connection and is connected with first contact and second contact, first contact with be provided with the on-off mechanism who is used for controlling the heating circuit break-make between the second contact, the upside of base is provided with middle shell, the upside of middle shell is provided with the top cap, fixedly connected with shell fragment on the second contact, through porcelain rice control first contact and second contact alternate segregation and be close to realize heating circuit's on-off control, because first contact and second contact are all portable, consequently will be more sensitive to the control of circuit break-make, simultaneously, even one of them contact is unable to remove because of the trouble, another contact can also continue to realize on-off control, for single contact mobile control more stable, the fault rate is lower, safer, more practical.

Description

Liquid expansion temperature controller with more stable on-off performance

Technical Field

The utility model relates to a temperature controller field, concretely relates to liquid that break-make performance is more stable rises temperature controller.

Background

The temperature controller is a very common component capable of realizing temperature control, the hydraulic expansion temperature controller is a mechanical temperature controller, the conventional hydraulic expansion temperature controller realizes circuit control through combination of a movable contact and a fixed contact, only the movable contact can move, and circuit on-off is realized through movement of the movable contact, but the single-contact mechanical structure has high probability of frequent failure, and once the movable contact fails, the on-off effect cannot be realized, so that the overall performance is poor, and the service life is short.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the above-mentioned prior art, the utility model provides a temperature controller rises to liquid that break-make performance is more stable, through the first contact of china rice control and second contact alternate segregation and be close to, thereby realize the on-off control to heating circuit, because first contact is all portable with the second contact, consequently control to the circuit break-make will more sensitive, and simultaneously, even one of them contact is because of the trouble can't remove, another contact can also continue to remove and realize on-off control, for single contact mobile control more stable, the fault rate is lower, and is safer, more practical.

Technical scheme

The liquid expansion temperature controller comprises a base, wherein a first contact plate and a second contact plate are fixedly connected to the upper side of the base through rivets, an on-off mechanism used for controlling the on-off of a heating circuit is arranged between the first contact plate and the second contact plate, a middle shell is arranged on the upper side of the base, a top cover is arranged on the upper side of the middle shell, a spring plate is fixedly connected to the second contact plate, a first contact is fixedly arranged at one end of the spring plate, porcelain rice capable of controlling the deformation of the spring plate is arranged on the upper side of the second contact plate, a liquid expansion film box is connected to the upper end of the porcelain rice, a temperature sensing mechanism used for sensing temperature and controlling the expansion and contraction of the liquid expansion film box is connected to the upper end of the liquid expansion film box, an adjusting mechanism capable of adjusting liquid expansion and achieving temperature control value adjustment is further arranged on the upper side of the top cover, a second contact is arranged right above the first contact, the second contact is fixedly arranged on a fixing plate, and a control mechanism used for controlling the fixing plate to move up and down is arranged on the first contact plate.

Furthermore, the control mechanism comprises a fixed rod fixedly connected with the first contact piece, a rotating piece is rotatably connected to the fixed rod and fixedly connected with the fixed plate, a pressing piece located on the upper side of the rotating piece is fixedly arranged on the porcelain rice and can extrude the rotating piece and enable the rotating piece to rotate by taking the fixed rod as a rotating center, and a torsion spring is fixedly arranged between the rotating piece and the fixed rod.

Furthermore, the temperature sensing mechanism comprises a capillary tube connected with the liquid expansion bellows, and the capillary tube is connected with a liquid expansion piece.

Furthermore, the adjusting mechanism comprises a rotating shaft which is positioned on the upper side of the top cover and connected with the liquid expansion membrane box, and a limiting sheet is fixedly arranged on the rotating shaft.

Furthermore, a second screw used for adjusting the temperature control value is arranged in the rotating shaft.

Furthermore, the top cover, the middle shell and the base are fixedly connected through a first screw.

Advantageous effects

Compared with the prior art, the utility model, following beneficial effect has: through the first contact of china rice control and second contact looks mutual separation and be close to the realization is to heating circuit's on-off control, because first contact and second contact all can move, consequently will more sensitive to the control of circuit break-make, simultaneously, even one of them contact can't remove because of the trouble, another contact can also continue to remove and realize on-off control, for single contact mobile control more stable, the fault rate is lower, safer, more practical.

Drawings

Fig. 1 is a schematic structural view of a liquid expansion temperature controller with more stable on-off performance;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at different angles;

FIG. 4 is a schematic view of the structure of FIG. 2 at different angles;

FIG. 5 is a schematic three-dimensional view of the on-off mechanism;

FIG. 6 is a schematic view of the on/off mechanism at different angles;

fig. 7 is a schematic view of the on-off mechanism at different angles.

Reference numerals

The device comprises a first contact piece 1, a base 2, a top cover 3, a limiting piece 4, a capillary tube 5, a rotating shaft 6, a liquid expansion piece 7, a middle shell 8, a second contact piece 9, a fixed rod 10, a rotating piece 11, porcelain rice 12, a pressing piece 13, a rivet 14, a fixed plate 15, a second contact 16, a first screw 17, a first contact 18, a second screw 19, an elastic piece 20 and a liquid expansion capsule 21.

Detailed Description

For a better illustration of the invention, reference is made to the following description, taken in conjunction with the accompanying drawings and examples:

there are shown in fig. 1-7, the utility model discloses a liquid that break-make performance is more stable rises temperature controller, which comprises a base 2, rivet 14 fixedly connected with first contact 1 and second contact 9 are passed through to the upside of base 2, be provided with the on-off mechanism who is used for controlling the heating circuit break-make between first contact 1 and the second contact 9, the upside of base 2 is provided with intermediate shell 8, the upside of intermediate shell 8 is provided with top cap 3, fixedly connected with shell fragment 20 on the second contact 9, the one end of shell fragment 20 has set firmly first contact 18, the upside of second contact 9 is provided with china rice 12 that can control shell fragment 20 deformation, the upper end of china rice 12 is connected with liquid and rises diaphragm capsule 21, the upper end of liquid and rises diaphragm capsule 21 is connected with the temperature sensing mechanism that is used for the temperature sensing and controls liquid and rises diaphragm capsule 21 harmomegathus, the upside of top cap 3 still is provided with the guiding mechanism that can adjust liquid and rise diaphragm capsule 21 and realize the adjustment of temperature control value, be provided with second contact 16 directly over first contact 18, second contact 16 sets firmly on fixed plate 15, be provided with the control mechanism that is used for controlling fixed plate 15 and reciprocates on the first contact 1.

Further, control mechanism includes fixed link 10 of fixed connection in first contact 1, the last swivelling joint of dead lever 10 has rotor 11, rotor 11 and fixed plate 15 fixed connection, set firmly the preforming 13 that is located rotor 11 upside on porcelain rice 12, preforming 13 can extrude rotor 11 and make rotor 11 use dead lever 10 to rotate as the center of rotation, set firmly torsion spring (not shown) between rotor 11 and the dead lever 10, during initial state, fixed plate 15 is located the lower extreme under torsion spring's the elastic force effect.

Furthermore, the temperature sensing mechanism comprises a capillary tube 5 connected with a liquid expansion film box 21, and the capillary tube 5 is connected with a liquid expansion piece 7.

Furthermore, the adjusting mechanism comprises a rotating shaft 6 which is positioned on the upper side of the top cover 3 and connected with the liquid expansion film box 21, and a limiting sheet 4 is fixedly arranged on the rotating shaft 6.

Further, a second screw 19 for adjusting the temperature control value is arranged inside the rotating shaft 6.

Furthermore, the top cover 3, the middle shell 8 and the base 2 are fixedly connected through a first screw 17.

Specifically, in the initial state, the end of the first contact 18 of the elastic sheet 20 is tilted upward, the fixing plate 15 is located at the lowest side under the elastic force of the torsion spring, and the first contact 18 is in contact with the second contact 16;

when the temperature is lower, the influence of thermal expansion and cold contraction on the liquid expansion piece 7 is small, and further the liquid expansion capsule 21 cannot expand greatly due to heat, so that the porcelain rice 21 is positioned on the upper side, the first contact 18 is in contact with the second contact 16, the circuit is conducted, and the heating can be continuously carried out;

the circuit path is as follows: the device comprises a first contact piece 1, a fixed rod 10, a rotating piece 11, a fixed plate 15, a second contact 16, a first contact 18, an elastic piece 20 and a second contact piece 9;

when the temperature rises, the liquid in the liquid expansion piece 7 is heated to expand, and then the liquid expansion film box 21 is expanded through the capillary tube, so that the porcelain rice 12 moves downwards, the porcelain rice 21 extrudes the elastic sheet 20, and one end of the first contact 18 of the elastic sheet 20 moves downwards;

meanwhile, the porcelain rice 21 moves downwards to drive the pressing sheet 13 to move downwards, so that the pressing sheet 13 moves downwards and extrudes one side of the rotating sheet 11, which is far away from the fixed plate 15, the rotating sheet 11 turns over to enable the fixed plate 15 and the second contact 16 to warp upwards, and the torsion spring stores force;

the second contact 16 and the first contact 18 are separated, the circuit is disconnected, heating is stopped, and heating operation is performed again when the temperature drops, so that automatic temperature control is realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a liquid that on-off performance is more stable rises temperature controller which characterized in that: the heating circuit comprises a base (2), wherein the upper side of the base (2) is fixedly connected with a first contact piece (1) and a second contact piece (9) through a rivet (14), an on-off mechanism used for controlling on-off of a heating circuit is arranged between the first contact piece (1) and the second contact piece (9), an intermediate shell (8) is arranged on the upper side of the base (2), a top cover (3) is arranged on the upper side of the intermediate shell (8), an elastic piece (20) is fixedly connected onto the second contact piece (9), a first contact (18) is fixedly arranged at one end of the elastic piece (20), a porcelain meter (12) capable of controlling deformation of the elastic piece (20) is arranged on the upper side of the second contact piece (9), a liquid expansion film box (21) is connected to the upper end of the porcelain meter (12), a temperature sensing mechanism used for sensing temperature and controlling expansion of the liquid expansion film box (21) is connected to the upper end of the liquid expansion film box (21), an adjusting mechanism used for adjusting temperature sensing and controlling expansion of the liquid expansion film box (21) is further arranged on the upper side of the top cover (3), an adjusting mechanism capable of adjusting the liquid expansion film box (21) and realizing adjustment of temperature control, a second contact piece (16) is fixedly arranged above the first contact piece (18), a second contact piece (15) is fixedly arranged on the second contact piece fixing plate (15) and a control fixing plate used for controlling the second contact plate (15) and controlling the up-down movement of the second contact plate (1).

2. The hydraulically expanding temperature controller with more stable on-off performance of claim 1, characterized in that: the control mechanism comprises a fixed rod (10) fixedly connected with the first contact piece (1), a rotating piece (11) is connected to the fixed rod (10) in a rotating mode, the rotating piece (11) is fixedly connected with a fixed plate (15), a pressing piece (13) located on the upper side of the rotating piece (11) is fixedly arranged on the porcelain rice (12), the pressing piece (13) can extrude the rotating piece (11) and enables the rotating piece (11) to rotate by taking the fixed rod (10) as a rotating center, and a torsion spring is fixedly arranged between the rotating piece (11) and the fixed rod (10).

3. The hydraulically expanding temperature controller with more stable on-off performance as claimed in claim 2, wherein: the temperature sensing mechanism comprises a capillary tube (5) connected with the liquid expansion film box (21), and the capillary tube (5) is connected with a liquid expansion piece (7).

4. The hydraulically expanding temperature controller with more stable on-off performance of claim 3, characterized in that: the adjusting mechanism comprises a rotating shaft (6) which is positioned on the upper side of the top cover (3) and connected with the liquid expansion film box (21), and a limiting sheet (4) is fixedly arranged on the rotating shaft (6).

5. The hydraulically expanding temperature controller with more stable on-off performance of claim 4, wherein: and a second screw (19) for adjusting the temperature control value is arranged in the rotating shaft (6).

6. The hydraulically expanding temperature controller with more stable on-off performance of claim 5, characterized in that: the top cover (3), the middle shell (8) and the base (2) are fixedly connected through a first screw (17).

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