CN219497636U - Bimetallic strip temperature controller - Google Patents

Abstract

The utility model relates to a bimetallic strip temperature controller in the technical field of temperature controllers, which comprises a shell and a top cover arranged above the shell, wherein two positioning grooves are formed in two sides of the inner wall of the shell, positioning rods are arranged in the positioning grooves, one ends of the positioning rods are arranged in the positioning grooves, one ends of a plurality of positioning rods are fixedly connected with connecting plates, and two opposite ends of the two connecting plates are fixedly connected with bimetallic strips. Through casing, top cap, constant head tank, locating lever, connecting plate, bimetallic strip. The cooperation of fixed plate, movable column, limiting plate, trigger point, fixed slot, fixed contact and spacing subassembly is used to can be convenient for carry out the position to the bimetallic strip spacing, avoid bimetallic strip to warp and influence the closure and the disconnection to the temperature controller, insert through the one end of locating lever and establish in the inside of constant head tank, thereby can be convenient for make the connecting plate install in one side of casing, thereby can be convenient for to bimetallic strip position location.

Description

Bimetallic strip temperature controller

Technical Field

The utility model relates to the technical field of temperature controllers, in particular to a bimetallic strip temperature controller.

Background

Most of temperature controllers commonly used in household appliances are bimetallic temperature controllers, which are synthesized by two or more layers of metal sheets with different thermal expansion coefficients, and directly convert heat energy into mechanical energy to switch on and off a circuit. Because the bimetallic strip temperature controller has accurate temperature control, excellent electrical performance, simple manufacture, low price and practicability, the bimetallic strip temperature controller is widely applied to small household appliances, motors, rectifying equipment and daily electrical appliances, and the bimetallic strip temperature controller is mainly used for temperature control, overheat protection and the like.

The utility model discloses a fixed knot of bimetallic strip temperature controller constructs like that disclosed in the authority bulletin number CN208690173U, although can realize the fixed mounting of a plurality of bimetallic strip temperature controllers through the fixed plate, save installation space, but bimetallic strip among the temperature controller among the prior art is generally through welding or screw to bimetallic strip carry out the position, and bimetallic strip is under different temperatures, the deformation difference of two-sided metal, lead to bimetallic strip can take place the bending phenomenon, when using this deformation to promote quick mechanism drive switch contact and close and break off, thereby bimetallic strip temperature controller has the dislocation of position very easily in the fixed position of casing inside, thereby easily exist when closing and break off the temperature controller, the deviation influences the problem of closing and break effect, for this reason we propose a bimetallic strip temperature controller.

Disclosure of Invention

In view of the above problems, the present utility model provides a bimetal thermostat, which has increased positional stability to the bimetal, and prevents the bimetal from affecting the closing and opening of the bimetal inside the thermostat when the bimetal expands through temperature.

The technical scheme of the utility model is as follows: the utility model provides a bimetallic strip temperature controller, includes the casing and installs the top cap in the casing top, two constant head tanks have all been seted up to shells inner wall's both sides, the inside of constant head tank is equipped with the locating lever, the one end of locating lever is established in the inside of constant head tank, a plurality of the one end fixedly connected with connecting plate of locating lever, two the equal fixedly connected with bimetallic strip of the relative one end of connecting plate, the inside fixedly connected with fixed plate of casing, the inside sliding connection of fixed plate has the removal post, the equal fixedly connected with limiting plate in both sides of removal post bottom, the bottom fixedly connected with trigger point of limiting plate, two fixed slots have been seted up to shells inner wall's bottom, two the equal fixedly connected with fixed contact of inner wall of fixed slot, the one end conflict of trigger point is at the surface of fixed contact, the bottom of bimetallic strip is equipped with spacing subassembly.

In a further technical scheme, the inner wall fixedly connected with two dead levers of casing, the limiting plate slip cup joints the surface at the dead lever, and two the surface cover of dead lever has one end and limiting plate fixed connection's extension spring.

In further technical scheme, spacing subassembly is including seting up the inside spacing spout of post that removes, the bottom fixedly connected with spacing inserted bar of bimetallic strip, the one end sliding connection of spacing inserted bar is in the inside of spacing spout.

In a further technical scheme, the surface of both sides of the movable column is provided with grooves, the center of the fixed plate is provided with a through hole, both sides of the inner wall of the through hole are fixedly connected with bumps, and one ends of the bumps are slidably connected in the grooves.

In a further technical scheme, two fixed screw holes are formed in the inner walls of the connecting plates and the shell, fixing screws are connected to the inner portions of the fixed screw holes in a threaded mode, and the two connecting plates are L-shaped.

In a further technical scheme, a display screen and an adjusting button are arranged on the upper surface of the top cover.

The beneficial effects of the utility model are as follows:

through casing, top cap, constant head tank, locating lever, connecting plate, bimetallic strip. The fixed plate, the movable column, the limiting plate, the trigger point, the fixed groove, the fixed contact and the limiting component are matched for use, so that the position of the bimetallic strip can be conveniently limited, the influence on the closing and opening of the temperature controller caused by deformation of the bimetallic strip is avoided, one end of the positioning rod is inserted into the positioning groove, the connecting plate can be conveniently arranged on one side of the shell, and the position of the bimetallic strip can be conveniently positioned;

through the cooperation of dead lever, extension spring, recess, through-hole, lug use to can be convenient for drive and remove the post, trigger point and fixed contact between the position reset, carry out the position to the post that removes simultaneously spacing.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of a housing according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with an embodiment of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 2B in accordance with an embodiment of the present utility model;

reference numerals illustrate:

1. a housing; 2. a top cover; 3. a positioning groove; 4. a positioning rod; 5. a connecting plate; 6. bimetallic strips; 7. a fixing plate; 8. a moving column; 9. a limiting plate; 10. a trigger point; 11. a fixing groove; 12. a fixed contact; 13. a fixed rod; 14. a tension spring; 15. limiting sliding grooves; 16. a limit inserted link; 17. a groove; 18. a through hole; 19. a bump; 20. fixing the screw holes; 21. a fixed screw; 22. and a display screen.

Description of the embodiments

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-4, a bimetallic strip temperature controller, including casing 1 and top cap 2 of installing in casing 1 top, two constant head tanks 3 have all been seted up to the both sides of casing 1 inner wall, the inside of constant head tank 3 is equipped with locating lever 4, be used for carrying out the spacing effect of position location to bimetallic strip 6, the inside at locating slot 3 is established to the one end of locating lever 4, the one end fixedly connected with connecting plate 5 of a plurality of locating levers 4, the equal fixedly connected with bimetallic strip 6 of the equal fixedly connected with of two opposite ends of connecting plates 5, the inside fixedly connected with fixed plate 7 of casing 1, the inside sliding connection of fixed plate 7 has movable column 8, be used for promoting between trigger point 10 and the fixed contact 12 and contradict the closed effect, the equal fixedly connected with limiting plate 9 in both sides of movable column 8 bottom, the bottom fixedly connected with trigger point 10 of limiting plate 9, the bottom of casing 1 inner wall has been seted up two fixed slots 11, the equal fixedly connected with fixed contact 12 in the inner wall of two fixed slots 11, the one end of trigger point 10 is contradicted at the surface of fixed contact 12, limit chute 15 has been seted up to the inside in movable column 8, the bottom fixedly connected with of bimetallic strip 6 has 16 to be used for limiting the inside limit chute 16 when the limit plug-in position is out of the limit chute 16.

The working principle of the technical scheme is as follows:

when temperature controller is felt temperature variation, because the material of bimetallic strip 6 both sides is different, bimetallic strip 6 is under different temperatures, the deformation difference of two-sided metal leads to bimetal to take place crooked phenomenon, utilize this deformation to promote quick mechanism and drive the mutual conflict closure of switch contact, when bimetallic strip 6 down warp, can promote the one end of spacing inserted bar 16 and slide in the spacing spout 15 of moving column 8 inside, thereby can make bimetallic strip 6 in the in-process of deformation, carry out the position to bimetallic strip 6 and limit, avoid bimetallic strip 6 to warp and influence the closure and the disconnection to the temperature controller, insert the inside at constant head tank 3 through the one end of locating lever 4, thereby can be convenient for make connecting plate 5 install one side at casing 1, thereby can be convenient for to bimetallic strip 6 position location.

In another embodiment, as shown in fig. 2 and fig. 4, two fixing rods 13 are fixedly connected to the inner wall of the housing 1, the limiting plate 9 is slidably sleeved on the surfaces of the fixing rods 13, and an extension spring 14 with one end fixedly connected to the limiting plate 9 is sleeved on the surfaces of the two fixing rods 13 and is used for driving the position between the moving column 8, the trigger point 10 and the fixed contact 12 to reset.

When the temperature changes, the materials on two sides of the bimetallic strip 6 are different, the bimetallic strip 6 is deformed at different temperatures, the deformation of the metals on two sides causes the bimetallic strip to bend, the deformation is utilized to push the quick mechanism to drive the switch contacts to mutually touch and close, and when the switch needs to be opened, the pulling force of the two tension springs 14 can drive the limiting plate 9 and the trigger point 10 to move, so that the switch-off condition between the trigger point 10 and the fixed contact 12 can be realized.

In another embodiment, as shown in fig. 2 and 3, the two side surfaces of the moving column 8 are both provided with grooves 17, the center of the fixed plate 7 is provided with a through hole 18, two sides of the inner wall of the through hole 18 are both fixedly connected with a bump 19, and one end of the bump 19 is slidably connected in the grooves 17.

The bump 19 and the groove 17 can facilitate the limiting function on the position of the movable column 8, and prevent the position dislocation between the trigger point 10 and the fixed contact 12 when the movable column 8 slides.

In another embodiment, as shown in fig. 1 and 2, the two connecting plates 5 and the inner wall of the housing 1 are both provided with fixing screw holes 20, the inside of each fixing screw hole 20 is connected with a fixing screw 21 in a threaded manner, and the two connecting plates 5 are both L-shaped.

The connecting plate 5 and the bimetallic strip 6 can be conveniently and rapidly fixedly installed through the fixing screw hole 20 and the fixing screw rod 21.

In another embodiment, as shown in fig. 1 and 2, the upper surface of the top cover 2 is provided with a display 22 and adjustment buttons.

The temperature of the temperature controller can be conveniently displayed through the display screen 22.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The utility model provides a bimetallic strip temperature controller, includes casing (1) and installs top cap (2) in casing (1) top, its characterized in that: two constant head tanks (3) have all been seted up to the both sides of casing (1) inner wall, the inside of constant head tank (3) is equipped with locating lever (4), the one end of locating lever (4) is established in the inside of constant head tank (3), and is a plurality of the one end fixedly connected with connecting plate (5) of locating lever (4), two the equal fixedly connected with bimetallic strip (6) of the one end that connecting plate (5) is relative, the inside fixedly connected with fixed plate (7) of casing (1), the inside sliding connection of fixed plate (7) has movable column (8), the equal fixedly connected with limiting plate (9) of both sides of movable column (8) bottom, the bottom fixedly connected with trigger point (10) of limiting plate (9), two fixed slots (11) have been seted up to the bottom of casing (1) inner wall, the equal fixedly connected with fixed contact (12) of the one end of trigger point (10) is contradicted on the surface of fixed contact (12), the bottom of bimetallic strip (6) is equipped with spacing subassembly.

2. A bi-metal strip temperature controller according to claim 1, wherein: the inner wall fixedly connected with two dead levers (13) of casing (1), limiting plate (9) slip cup joint in the surface of dead lever (13), and two the surface cover of dead lever (13) has one end and limiting plate (9) fixed connection's extension spring (14).

3. A bi-metal strip temperature controller according to claim 1, wherein: the limiting assembly comprises a limiting chute (15) arranged inside the movable column (8), a limiting inserted link (16) is fixedly connected to the bottom of the bimetallic strip (6), and one end of the limiting inserted link (16) is slidably connected inside the limiting chute (15).

4. A bi-metal strip temperature controller according to claim 1, wherein: the movable column is characterized in that grooves (17) are formed in the surfaces of two sides of the movable column (8), a through hole (18) is formed in the center of the fixed plate (7), protruding blocks (19) are fixedly connected to two sides of the inner wall of the through hole (18), and one end of each protruding block (19) is slidably connected to the inside of each groove (17).

5. A bi-metal strip temperature controller according to claim 1, wherein: the two connecting plates (5) and the inner wall of the shell (1) are respectively provided with a fixing screw hole (20), the inside of each fixing screw hole (20) is respectively connected with a fixing screw rod (21) in a threaded manner, and the two connecting plates (5) are respectively L-shaped.

6. A bi-metal strip temperature controller according to claim 1, wherein: the upper surface of the top cover (2) is provided with a display screen (22) and an adjusting button.