CN219626545U

CN219626545U - Temperature controller

Info

Publication number: CN219626545U
Application number: CN202320527723.1U
Authority: CN
Inventors: 张法根; 金水根; 李雅美
Original assignee: Shaoxing Xuheng Electric Co ltd
Current assignee: Shaoxing Xuheng Electric Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-01
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a temperature controller, which comprises a temperature controller main body, a pressure lever, a first gear, a knob and a second gear, wherein the pressure lever is in threaded connection with the first gear, the pressure lever can be driven to move up and down by rotating the first gear, the knob is connected with the second gear, the second gear can be driven to rotate by rotating the knob, the first gear is meshed with the second gear, the first gear can be driven to rotate by rotating the second gear, the number of teeth of the first gear is larger than that of the second gear, the temperature controller main body comprises an upper reed, the lower part of the pressure lever is abutted against the upper part of the upper reed, and the pressure lever moves up and down to adjust the extrusion force of the pressure lever on the upper reed. According to the utility model, the difference function can be realized by arranging the first gear and the second gear, so that the temperature adjusting precision can be improved.

Description

Temperature controller

Technical Field

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

Background

The temperature controller is a series of automatic control elements which generate physical deformation in the switch according to the temperature change of the working environment so as to generate certain special effects and generate on or off actions, and is also called a temperature control switch, a temperature protector and a temperature controller, and is called a temperature controller for short.

The use principle of current temperature controller is that directly drive the depression bar up-and-down motion through the screw knob, adjust the extrusion dynamics at depression bar bottom and upper reed top to the temperature when adjusting circuit break-make, this kind of temperature regulation mode is simple, but when rotatory screw knob, the range of depression bar up-and-down motion can be great, leads to unable accurate temperature when adjusting circuit break-make to when adopting this kind of temperature controller, screw knob's rotation range is limited, can't accomplish 360 rotations, and temperature regulation range is limited, consequently the urgent need improve this.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a temperature controller, which can realize a difference function by arranging a first gear and a second gear, thereby improving the temperature adjusting range and the temperature adjusting precision.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a temperature controller, includes temperature controller main part, depression bar, first gear, knob and second gear, depression bar and first gear threaded connection rotate first gear can drive the depression bar and reciprocate, knob and second gear connection rotate the knob can drive the second gear and rotate, first gear and second gear engagement rotate the second gear can drive first gear rotation, the number of teeth of first gear is greater than the number of teeth of second gear, the temperature controller main part includes the reed, depression bar lower part butt reed upper portion, the depression bar reciprocates for adjust the extrusion dynamics of depression bar to the reed.

The temperature controller is characterized by further comprising a lower shell, wherein an upper shell is covered on the upper portion of the lower shell, the temperature controller main body is located in a cavity formed by the lower shell and the upper shell, a cover body is arranged on the upper portion of the upper shell, and the first gear and the second gear are located in the cover body.

The compression bar comprises a compression head and a stud, wherein the lower part of the compression head is inserted into the upper shell and abuts against the upper part of the upper reed, the first gear comprises a thread bush, and the stud is inserted into the thread bush and is in threaded connection with the thread bush.

The first gear is connected with the cover body through a bearing, an installation part is arranged in the cover body, a bearing is installed in the installation part, and the bearing sleeve is arranged on the outer wall of the thread sleeve.

The compression bar comprises a convex rib, and the convex rib can be abutted to the upper portion of the upper shell or the lower portion of the first gear.

The pressure head lateral wall is equipped with the spacing groove of many vertical settings, upper housing upper portion is equipped with first boss, first boss inner wall is equipped with the spacing muscle that corresponds with the spacing groove, spacing muscle inserts spacing inslot spacing.

The temperature controller main body comprises a pressing plate, a first through hole is formed in the pressing plate, a first boss is arranged downwards and is inserted into the first through hole, and the pressing head penetrates through the first through hole.

The knob comprises a connecting column, the connecting column is fixedly connected with a second gear, a second boss is arranged at the upper end of the connecting column, the lower portion of the second boss is abutted to the upper surface of the cover body, and a handle is arranged on the upper portion of the second boss.

The gear ratio of the first gear to the second gear is 3:1.

The upper surface of the inner part of the upper shell is provided with a limiting plate, the limiting plate is abutted to the side wall of the pressing plate, the upper part of the upper shell is provided with a limiting table, the limiting table is inserted into the cover body, and the side surface of the lower shell is provided with a second through hole.

The beneficial effects of the utility model are as follows:

1. the number of teeth of the first gear is larger than that of the second gear, and the differential function can be achieved through the cooperation of the first gear and the second gear, the gear ratio of the first gear to the second gear is 3:1, the rotation of the first gear is equivalent to one turn of a knob, and when the knob rotates one turn, the stroke of the movement of the pressing rod is equivalent to one turn of the knob in the prior art, and the stroke of the movement of the pressing rod is one third of the stroke of the movement of the pressing rod, so that in the process of rotating the knob, the stroke of the upward and downward movement of the pressing rod is relatively smaller, and the temperature regulation precision and the temperature regulation range can be improved when a circuit is turned on and off;

2. through the cooperation of spacing muscle and spacing groove, can play axial spacing to the depression bar, prevent that the depression bar from rotating for the thread bush synchronous rotation, because double-screw bolt and thread bush threaded connection, consequently can drive the depression bar oscilaltion, through the oscilaltion of depression bar, can adjust the pressure of pressure bar to last reed, thereby can adjust the fusing temperature of circuit.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

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

FIG. 3 is a plan view of a first gear and a second gear;

fig. 4 is a schematic structural view of the pressing rod.

In the figure: 1. a temperature controller main body; 11. a metal sheet; 12. a stationary contact; 13. an upper reed; 14. a moving contact; 15. an insulating column; 16. a pressing plate; 161. a first through hole; 17. an insulating sleeve; 18. a separation block; 2. a lower housing; 21. a second through hole; 3. an upper housing; 31. a first boss; 32. a limit rib; 33. a limiting plate; 34. a limiting table; 4. a cover body; 41. a mounting part; 5. a compression bar; 51. a pressure head; 52. a stud; 53. a limit groove; 54. convex ribs; 6. a first gear; 61. a thread sleeve; 7. a knob; 71. a connecting column; 72. a handle; 73. a second boss; 8. a second gear; 9. and (3) a bearing.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

in the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or unit referred to must have a specific direction, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, a thermostat includes a thermostat body 1, a pressing lever 5, a first gear 6, a knob 7, and a second gear 8.

The temperature controller main body 1 is provided with a pressing plate 16, an upper reed 13, a moving contact 14, a fixed contact 12 and a metal sheet 11 from top to bottom in sequence, wherein the pressing plate 16, the upper reed 13, the moving contact 14, the fixed contact 12 and the metal sheet 11 are arranged at intervals through a separation block 18, the pressing plate 16, the upper reed 13, the moving contact 14, the fixed contact 12, the metal sheet 11 and the separation block 18 are fixed through an insulating sleeve 17, the upper part of the metal sheet 11 is connected with the lower part of the upper reed 13 through an insulating column 15, one end, close to the insulating column 15, of the moving contact 14 is connected with the lower part of the upper reed 13, and the moving contact 14 can be abutted or separated from the fixed contact 12.

The working principle of the temperature controller main body 1 is as follows: the metal sheet 11 department is connected with the temperature sensing head (not shown in the figure), and in the temperature sensing head will sense the temperature conduction to metal sheet 11, metal sheet 11 received the change of high temperature and upwards bent and deformed, promotes the upward movement of upper reed 13 through insulating column 15 for stationary contact 12 and moving contact 14 separation, thereby the disconnection circuit has avoided equipment to damage because of the overheat, and when the temperature of metal sheet 11 reduces, metal sheet 11 automatic re-setting, stationary contact 12 and moving contact 14 contact, the circuit communicates again.

The temperature controller comprises a temperature controller main body 1, and is characterized by further comprising a lower shell 2, wherein an upper shell 3 is covered on the upper part of the lower shell 2, the lower shell 2 and the upper shell 3 can be connected through buckling, the temperature controller main body 1 is positioned in a cavity formed by the lower shell 2 and the upper shell 3, and the temperature controller main body 1 can be protected through the arrangement of the lower shell 2 and the upper shell 3.

Preferably, a second through hole 21 is formed on the side of the lower housing 2, and the temperature sensing head may penetrate through the second through hole 21 to contact with the device.

The upper shell 3 upper portion is equipped with lid 4, specifically, upper shell 3 upper portion is equipped with spacing platform 34, spacing platform 34 inserts inside lid 4, and lid 4 and upper shell 3 can be fixed through the lock, can install spacingly to lid 4 through setting up spacing platform 34, improves the installation accuracy of lid 4.

The second gear 8 is located inside the cover 4, the knob 7 is connected with the second gear 8, and the knob 7 is rotated to drive the second gear 8 to rotate, specifically, the knob 7 includes the spliced pole 71, spliced pole 71 and second gear 8 fixed connection, the spliced pole 71 upper end is equipped with second boss 73, second boss 73 lower part butt lid 4 upper surface, second boss 73 upper portion is equipped with handle 72, and handle 72 is located the top of the cover 4, can drive the rotation of second gear 8 through rotating handle 72, can play spacing effect to knob 7 through the cooperation of second boss 73 and second gear 8, improves the reliability of second gear 8 rotation.

The first gear 6 is located inside the cover 4, the depression bar 5 and the first gear 6 threaded connection rotate the first gear 6 can drive depression bar 5 and reciprocate, depression bar 5 lower part butt goes up reed 13 upper portion, depression bar 5 reciprocates for adjust the extrusion dynamics of depression bar 5 to last reed 13, specifically, depression bar 5 includes pressure head 51 and double-screw bolt 52, the inside and butt of upper casing 3 upper portion of pressure head 51 lower part inserts, first gear 6 includes thread bush 61, double-screw bolt 52 insert in thread bush 61 and with thread bush 61 threaded connection, pressure head 51 lateral wall is equipped with the spacing groove 53 of many vertical settings, upper casing 3 upper portion is equipped with first boss 31, first boss 31 inner wall is equipped with spacing muscle 32 that corresponds with spacing groove 53, spacing muscle 32 inserts spacing groove 53 in spacing, through spacing muscle 32 and spacing groove 53's cooperation, can play axial spacing to depression bar 5, prevent depression bar 5 rotation, through rotating first gear 6 for can adjust the temperature of depression bar 5 through the screw bush 61 and thread bush 61 threaded connection down, thereby can adjust the temperature of depression bar 5 through the upper and lower thread bush 61.

Preferably, the first gear 6 is connected with the cover 4 through a bearing 9, an installation part 41 is arranged in the cover 4, the bearing 9 is installed in the installation part 41, the bearing 9 is sleeved on the outer wall of the threaded sleeve 61, and the bearing 9 is arranged, so that the first gear 6 rotates more reliably.

In the utility model, the first gear 6 is meshed with the second gear 8, the second gear 8 is rotated to drive the first gear 6 to rotate, therefore, the knob 7 is rotated to drive the pressing rod 5 to move up and down so as to adjust the pressure of the pressing rod 5 to the upper reed 13, specifically, when the fusing temperature of a circuit needs to be improved, the knob 7 is rotated clockwise, the knob 7 synchronously drives the second gear 8 to rotate, the second gear 8 drives the first gear 6 to rotate, the first gear 6 can drive the pressing rod 5 to move downwards so as to increase the pressure to the upper reed 13, and at the moment, the insulating column 15 can apply downward pressure to the metal sheet 11, so that the metal sheet 11 is not easy to deform upwards when being influenced by the temperature, and the fusing temperature of the circuit can be improved.

Further, the number of teeth of the first gear 6 is greater than the number of teeth of the second gear 8, and the first gear 6 and the second gear 8 cooperate to achieve a differential function, for example, in the utility model, the gear ratio of the first gear 6 to the second gear 8 is 3:1, which corresponds to one turn of the knob 7, and one third of the turn of the first gear 6, compared with the prior art, when the knob 7 rotates one turn, the stroke of the movement of the pressing rod 5 corresponds to one turn of the knob 7 in the prior art, and one third of the stroke of the movement of the pressing rod 5 is longer, so that the stroke of the upward and downward movement of the pressing rod 5 is relatively smaller in the process of rotating the knob 7, and therefore, the temperature adjusting precision and the temperature adjusting range during circuit on-off can be improved.

Preferably, the compression bar 5 includes a protruding rib 54, the protruding rib 54 can abut against the upper portion of the upper housing 3 or abut against the lower portion of the first gear 6, and by providing the protruding rib 54, the movement travel of the compression bar 5 can be limited, so as to prevent the upper reed 13 from being damaged due to excessive movement of the compression bar 5.

The pressure plate 16 is internally provided with a first through hole 161, the first boss 31 is downwards arranged and inserted into the first through hole 161, the pressure head 51 penetrates through the first through hole 161, the upper surface inside the upper shell 3 is provided with a limiting plate 33, the limiting plate 33 is abutted against the side wall of the pressure plate 16, and the temperature controller main body 1 can be installed and limited through the cooperation of the first boss 31 and the first through hole 161 and the cooperation of the limiting plate 33 and the pressure plate 16, so that the temperature controller main body 1 is prevented from shaking in a cavity.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A temperature controller, characterized in that: including temperature controller main part (1), depression bar (5), first gear (6), knob (7) and second gear (8), depression bar (5) and first gear (6) threaded connection rotate first gear (6) can drive depression bar (5) reciprocates, knob (7) are connected with second gear (8), rotate knob (7) can drive second gear (8) and rotate, first gear (6) and second gear (8) meshing rotate second gear (8) can drive first gear (6) and rotate, the number of teeth of first gear (6) is greater than the number of teeth of second gear (8), temperature controller main part (1) are including last reed (13), reed (13) upper portion on depression bar (5) lower part butt, depression bar (5) reciprocate for adjust the extrusion dynamics of depression bar (5) to last reed (13).

2. A thermostat according to claim 1 wherein: still include lower casing (2), lower casing (2) upper portion lid has last casing (3), temperature controller main part (1) are located the cavity that casing (2) and last casing (3) formed down, last casing (3) upper portion is equipped with lid (4), first gear (6) and second gear (8) are located inside lid (4).

3. A thermostat according to claim 2 wherein: the compression bar (5) comprises a compression head (51) and a stud (52), wherein the lower part of the compression head (51) is inserted into the upper shell (3) and abuts against the upper part of the upper reed (13), the first gear (6) comprises a thread sleeve (61), and the stud (52) is inserted into the thread sleeve (61) and is in threaded connection with the thread sleeve (61).

4. A thermostat according to claim 3 wherein: the first gear (6) is connected with the cover body (4) through a bearing (9), an installation part (41) is arranged in the cover body (4), the bearing (9) is installed in the installation part (41), and the bearing (9) is sleeved on the outer wall of the threaded sleeve (61).

5. A thermostat according to claim 3 wherein: the compression bar (5) comprises a convex rib (54), and the convex rib (54) can be abutted against the upper part of the upper shell (3) or the lower part of the first gear (6).

6. A thermostat according to claim 3 wherein: the pressure head (51) lateral wall is equipped with spacing groove (53) of many vertical settings, upper portion of last casing (3) is equipped with first boss (31), first boss (31) inner wall is equipped with spacing muscle (32) that correspond with spacing groove (53), spacing muscle (32) insert spacing in spacing groove (53).

7. A thermostat according to claim 6 wherein: the temperature controller main body (1) comprises a pressing plate (16), a first through hole (161) is formed in the pressing plate (16), the first boss (31) is downwards arranged and is inserted into the first through hole (161), and the pressing head (51) penetrates through the first through hole (161).

8. A thermostat according to claim 2 wherein: the knob (7) comprises a connecting column (71), the connecting column (71) is fixedly connected with a second gear (8), a second boss (73) is arranged at the upper end of the connecting column (71), the lower portion of the second boss (73) is abutted to the upper surface of the cover body (4), and a handle (72) is arranged on the upper portion of the second boss (73).

9. A thermostat according to claim 1 wherein: the gear ratio of the first gear (6) to the second gear (8) is 3:1.

10. A thermostat according to claim 7 wherein: the upper shell (3) is internally provided with a limiting plate (33), the limiting plate (33) is abutted against the side wall of the pressing plate (16), the upper part of the upper shell (3) is provided with a limiting table (34), the limiting table (34) is inserted into the cover body (4), and the side surface of the lower shell (2) is provided with a second through hole (21).