CN211479942U - Temperature control distance adjustable thermal expansion temperature controller - Google Patents
Temperature control distance adjustable thermal expansion temperature controller Download PDFInfo
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- CN211479942U CN211479942U CN202020346373.5U CN202020346373U CN211479942U CN 211479942 U CN211479942 U CN 211479942U CN 202020346373 U CN202020346373 U CN 202020346373U CN 211479942 U CN211479942 U CN 211479942U
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Abstract
The utility model discloses a thermal expansion temperature controller with adjustable temperature control distance, which comprises an installation shell, a temperature sensing cylinder and a switch component, wherein the switch component comprises a diaphragm capsule, a first spring leaf, a static contact, a moving contact, a supporting piece and an installation rod, and the first spring leaf is electrically connected with the first terminal piece; the other end of the first spring piece is formed into a driving piece; the moving contact is arranged on the driving sheet; the fixed contact is electrically connected with the second terminal plate, and the other end of the fixed contact is formed as a contact end; the diaphragm capsule is arranged on the mounting shell and is positioned above the first spring piece; the diaphragm capsule is connected with the bottom end of the diaphragm capsule through a capillary tube and a temperature sensing cylinder, and a push rod is arranged at the bottom end of the diaphragm capsule; the push rod is used for approaching the driving sheet when the diaphragm capsule deforms; one end of the supporting sheet is fixedly connected with the ceramic ring assembly, and the other end of the supporting sheet is provided with an installation rod which can move up and down. The utility model discloses a control by temperature change apart from adjustable thermal expansion temperature controller, the push rod of its diaphragm capsule bottom can directly the first spring leaf of roof pressure down, makes static contact and moving contact, improvement sensitivity.
Description
Technical Field
The utility model relates to a thermal expansion temperature controller technical field especially relates to a control by temperature change is apart from adjustable thermal expansion temperature controller.
Background
At present, a thermal expansion temperature controller is an automatic control element, also called a temperature control switch, which generates a switching on or off action by physically deforming inside a switch according to a temperature change of a working environment. The method is mainly used for high-temperature control of various heaters and other devices. However, the conventional thermal expansion thermostat cannot be turned on or off quickly, so that the sensitivity is low, and the thermal expansion thermostat is prone to failure after being used for a long time.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a thermal expansion temperature controller with adjustable temperature control distance, wherein a push rod at the bottom end of a diaphragm capsule can directly push a first spring piece downwards to make a static contact and a moving contact, thereby improving the sensitivity; and the temperature control distance is adjustable.
The purpose of the utility model is realized by adopting the following technical scheme:
a thermal expansion temperature controller with adjustable temperature control distance comprises a mounting shell, a temperature sensing cylinder and a switch assembly, wherein a ceramic ring assembly, a first terminal piece and a second terminal piece are arranged on the mounting shell, one end of the first terminal piece is clamped on the ceramic ring assembly, and the other end of the first terminal piece is formed into a first wiring end; one end of the second terminal piece is clamped on the ceramic ring assembly, and the other end of the second terminal piece is formed into a second wiring end; the switch assembly comprises a diaphragm capsule, a first spring piece, a fixed contact, a movable contact, a support piece and an installation rod, wherein one end of the first spring piece is clamped in the porcelain ring assembly and is electrically connected with the first terminal piece; the other end of the first spring piece is formed into a driving piece; the moving contact is arranged on the driving sheet; one end of the static contact is clamped in the porcelain ring component and is electrically connected with the second terminal plate, and the other end of the static contact is formed into a contact end which is used for being in contact with the moving contact; the diaphragm capsule is arranged on the mounting shell and is positioned above the first spring piece; the diaphragm capsule is connected with the temperature sensing cylinder through a capillary tube; the bottom end of the diaphragm capsule is provided with a push rod; the push rod is used for being close to the driving sheet when the diaphragm capsule deforms so as to press the driving sheet to enable the static contact to be contacted with the moving contact; one end of the supporting sheet is fixedly connected with the ceramic ring assembly, the other end of the supporting sheet is provided with the mounting rod, the end part, far away from the ceramic ring assembly, of the first spring piece is connected with the top end of the mounting rod, and the mounting rod can move up and down.
Furthermore, the top end of the diaphragm capsule is provided with an adjusting rod, and the adjusting rod is installed on the installation shell and moves towards or away from the driving sheet.
Further, the top end of the adjusting rod is in threaded connection with the mounting shell.
Further, the ceramic ring assembly comprises a first ceramic ring, a second ceramic ring and a third ceramic ring, and the first ceramic ring, the second ceramic ring and the third ceramic ring are sequentially stacked and fixed through bolts; the first spring piece and the first terminal piece are clamped between the first ceramic ring and the second ceramic ring; and the static contact and the second terminal plate are clamped between the second ceramic ring and the third ceramic ring.
Furthermore, the switch assembly further comprises a second spring piece, one end of the second spring piece is fixed on the mounting rod, and the static contact is fixed at the other end of the second spring piece.
Furthermore, an elastic sheet is arranged on the first spring sheet and used for forming the driving sheet, a bending part which is bent downwards is arranged at the end part of the elastic sheet, an arc sheet is arranged on the second spring sheet, the bending part is connected with one end of the arc sheet, and the static contact is arranged at the other end of the arc sheet.
Furthermore, the elastic sheet is provided with a positioning hole, and the push rod is used for positioning and matching with the positioning hole.
Furthermore, the bottom end of the mounting rod is provided with a threaded section, the supporting piece is provided with a threaded hole, and the threaded section is in threaded connection with the threaded hole.
Compared with the prior art, the beneficial effects of the utility model reside in that: when the temperature control is carried out, the temperature sensing cylinder can sense the temperature change, the expansion of the temperature sensing medium is transferred to the diaphragm capsule through the capillary tube, the diaphragm capsule is deformed to drive the push rod to push against the moving contact, the moving contact and the fixed contact are switched on and off, and the temperature control is realized. In addition, the first spring piece is connected with the supporting sheet through the mounting rod, the mounting rod can move up and down, the first spring piece can be driven to move up and down, the distance between the first spring piece and the push rod of the diaphragm capsule is adjusted, and therefore the temperature control distance can be adjusted according to actual temperature requirements.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the local decomposition structure of the present invention.
In the figure: 10. installing a shell; 20. a temperature sensing cylinder; 21. a first ceramic ring; 22. a second ceramic ring; 23. a third ceramic ring; 31. a first spring plate; 311. a bending section; 32. a bellows; 33. a push rod; 34. adjusting a rod; 35. a second spring plate; 351. arc sheets; 36. a support sheet; 37. mounting a rod; 371. a threaded segment; 40. a moving contact; 50. static contact; 60. a first terminal piece; 70. a second terminal piece; 80. a capillary tube.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, the temperature-controlled distance-adjustable thermal expansion temperature controller includes a mounting housing 10, a temperature-sensing cylinder 20 and a switch assembly, wherein a ceramic ring assembly, a first terminal piece 60 and a second terminal piece 70 are disposed on the mounting housing 10, one end of the first terminal piece 60 is clamped to the ceramic ring assembly, and the other end of the first terminal piece 60 is formed as a first terminal; one end of the second terminal piece 70 is clamped to the porcelain ring assembly, and the other end of the second terminal piece 70 is formed as a second terminal.
Specifically, the switch assembly includes a bellows 32, a first spring plate 31, a fixed contact 50, a movable contact 40, a support plate 36 and a mounting rod 37, one end of the first spring plate 31 is clamped in the porcelain ring assembly, the first spring plate 31 is electrically connected with the first terminal plate 60, the other end of the first spring plate 31 is formed as a driving plate, and the movable contact 40 is mounted on the driving plate. In addition, one end of the static contact 50 is clamped in the porcelain ring assembly and electrically connected to the second terminal plate 70, and the other end of the static contact 50 is formed as a contact end, which can be in contact with the movable contact 40.
The bellows 32 is mounted on the mounting case 10 above the first spring plate 31, and the bellows 32 is connected to the temperature sensing cylinder 20 through a capillary tube 80. An adjusting rod 34 is arranged at the top end of the bellows 32, and the adjusting rod 34 is arranged on the mounting shell 10 and moves towards or away from the driving sheet; the bottom end of the capsule 32 is provided with a push rod 33; the push rod 33 is used to approach the driving plate when the bellows 32 is deformed, so as to press the driving plate to make the stationary contact 50 contact with the movable contact 40.
One end of the support sheet 36 is fixedly connected with the ceramic ring assembly, the other end of the support sheet 36 is provided with a mounting rod 37, the end part of the first spring sheet 31 far away from the ceramic ring assembly is connected with the top end of the mounting rod 37, and the mounting rod 37 can move up and down.
On the basis of the structure, use the utility model discloses a during control by temperature change distance adjustable thermal expansion temperature controller, can insert the two poles of the earth of circuit respectively with first terminal piece 60, second terminal piece 70, under normal conditions, static contact 50 and moving contact 40 disconnection, and first terminal piece 60 and second terminal piece 70 separate through the porcelain ring subassembly. In operation, the temperature sensing cylinder 20 can sense temperature change, when the sensed temperature reaches a preset temperature, the expansion of the temperature sensing medium is transmitted to the diaphragm capsule 32 through the capillary tube 80, so that the diaphragm capsule 32 deforms to drive the push rod 33 to press downwards, the driving piece of the first spring piece 31 deforms to drive the movable contact 40 to move downwards, the movable contact 40 and the static contact 50 are switched on and off, temperature control is achieved, and when the temperature is recovered, the first spring piece 31 can reset.
In addition, in the actual use process, according to different set temperatures, the downward movement distances of the push rods 33 are different, and the deformation quantity generated by the bellows 32 is different, so that the thermal expansion thermostat has better sensitivity at different temperatures, because the mounting rod 37 can move up and down relative to the support plate 36, the first spring piece 31 connected with the top end of the mounting rod 37 can move up and down, the distance between the first spring piece 31 and the push rods 33 is adjusted, the movement distance of the push rods 33 is reduced or increased, and the adjustment can be carried out according to the actual application temperature.
In this embodiment, an adjustment lever 34 is provided at the top end of the bellows 32, and the adjustment lever 34 is mounted on the mounting housing 10 and moves toward or away from the driving plate. Similarly, in the actual use process, according to the set temperature difference, the distances between the push rods 33 moving downwards are different, and the deformation quantity generated by the diaphragm box 32 is different, so that the thermal expansion temperature controller has better sensitivity at different temperatures, therefore, the adjustment rod 34 can be adjusted to move up and down by adjusting the adjustment rod 34, the diaphragm box 32 is driven to move up and down, the distance between the push rods 33 and the driving sheet is adjusted, and the sensitivity of the thermal expansion temperature controller is better according to the actual temperature control condition.
Specifically, a threaded hole may be formed at the top end of the mounting housing 10, a thread may be formed at the top end of the adjustment rod 34, and the top end of the adjustment rod 34 may be screwed into the threaded hole, so that the adjustment rod 34 may be adjusted up and down by rotating the thread. Of course, the up and down movement of the adjustment lever 34 and the mounting housing 10 can also be achieved in a sliding manner.
Further, the ceramic ring assembly in this embodiment includes a first ceramic ring 21, a second ceramic ring 22, and a third ceramic ring 23, and the first ceramic ring 21, the second ceramic ring 22, and the third ceramic ring 23 are stacked in sequence and fixed by bolts, so that the first spring piece 31 and the first terminal piece 60 can be clamped between the first ceramic ring 21 and the second ceramic ring 22, and the fixed contact 50 and the second terminal piece 70 can be clamped between the second ceramic ring 22 and the third ceramic ring 23, specifically, the first ceramic ring 21 and the third ceramic ring 23 can be thick ceramic rings, and the second ceramic ring 22 can be thin ceramic rings, and ceramic rings with different thicknesses can be used as insulating materials, thereby improving safety.
Further, the switch assembly further includes a second spring plate 35, a support plate 36 and a mounting rod 37, one end of the support plate 36 is fixedly connected to the ceramic ring assembly, the mounting rod 37 is fixed to the other end of the support plate 36, specifically, the first spring plate 31 is fixed to the mounting rod 37, an elastic plate is arranged on the first spring plate 31 and used for forming a driving plate, one end of the second spring plate 35 is fixed to the mounting rod 37, and the static contact 50 is fixed to the other end of the second spring plate 35.
On the basis of the structure, after the temperature changes, the push rod 33 downwards pushes the elastic piece, the elastic piece can downwards push the second spring piece 35, and the control is more stable and the resetting is faster through two elastic forces. The first spring plate 31 and the second spring plate 35 are connected with the porcelain ring assembly through the mounting rod 37 and the support piece 36, so that when a force is applied to the upper parts of the first spring plate 31 and the second spring plate 35, the support piece 36 positioned below the first spring plate 31 and the second spring plate 35 can be used as a bearing surface to play a supporting role.
More specifically, a bent portion 311 bent downward is disposed at an end of the elastic piece, an arc piece 351 is disposed on the second spring piece 35, the bent portion 311 is connected to one end of the arc piece 351, and the stationary contact 50 is mounted at the other end of the arc piece 351. Thus, when the elastic piece is pressed, the bending portion 311 can press the arc piece 351, the arc piece 351 can drive the movable contact 40 downward, the arc piece 351 has a certain radian, the sensitivity can be improved, and the resetting is faster.
Furthermore, a positioning hole can be formed in the elastic sheet, and the push rod 33 is used for being matched with the positioning hole in a positioning mode, so that the push rod 33 can be conveniently positioned and pressed, and the accuracy is higher.
Further, the bottom end of the mounting rod 37 is provided with a thread section 371, a thread hole is correspondingly formed in the support piece 36, the thread section 371 is screwed in the thread hole, and therefore the mounting rod 37 rotates, and the thread section 371 and the thread hole are in thread fit to achieve up-and-down movement.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (8)
1. A thermal expansion temperature controller with adjustable temperature control distance comprises a mounting shell, a temperature sensing cylinder and a switch assembly, wherein a ceramic ring assembly, a first terminal piece and a second terminal piece are arranged on the mounting shell, one end of the first terminal piece is clamped on the ceramic ring assembly, and the other end of the first terminal piece is formed into a first wiring end; one end of the second terminal piece is clamped on the ceramic ring assembly, and the other end of the second terminal piece is formed into a second wiring end; it is characterized in that the preparation method is characterized in that,
the switch assembly comprises a diaphragm capsule, a first spring piece, a fixed contact, a movable contact, a support piece and an installation rod, wherein one end of the first spring piece is clamped in the porcelain ring assembly and is electrically connected with the first terminal piece; the other end of the first spring piece is formed into a driving piece; the moving contact is arranged on the driving sheet; one end of the static contact is clamped in the porcelain ring component and is electrically connected with the second terminal plate, and the other end of the static contact is formed into a contact end which is used for being in contact with the moving contact; the diaphragm capsule is arranged on the mounting shell and is positioned above the first spring piece; the diaphragm capsule is connected with the temperature sensing cylinder through a capillary tube; the bottom end of the diaphragm capsule is provided with a push rod; the push rod is used for being close to the driving sheet when the diaphragm capsule deforms so as to press the driving sheet to enable the static contact to be contacted with the moving contact; one end of the supporting sheet is fixedly connected with the ceramic ring assembly, the other end of the supporting sheet is provided with the mounting rod, the end part, far away from the ceramic ring assembly, of the first spring piece is connected with the top end of the mounting rod, and the mounting rod can move up and down.
2. The thermally expandable temperature controller with adjustable temperature-controlled distance according to claim 1, wherein the top end of the bellows is provided with an adjusting rod, and the adjusting rod is mounted on the mounting housing and moves toward or away from the driving plate.
3. The temperature-controlled distance-adjustable thermally expansive temperature controller of claim 2, wherein the top end of said adjusting lever is screwed to the mounting case.
4. The thermally expansive thermostat of claim 1, wherein the ceramic ring assembly comprises a first ceramic ring, a second ceramic ring and a third ceramic ring, which are sequentially stacked and fixed by bolts; the first spring piece and the first terminal piece are clamped between the first ceramic ring and the second ceramic ring; and the static contact and the second terminal plate are clamped between the second ceramic ring and the third ceramic ring.
5. The thermally expansive thermostat of claim 1, wherein the switch assembly further comprises a second spring plate, one end of the second spring plate is fixed to the mounting rod, and the stationary contact is fixed to the other end of the second spring plate.
6. The thermostatic device according to claim 5, wherein the first spring plate is provided with a flexible plate for forming the driving plate, the end of the flexible plate is provided with a bending portion bent downward, the second spring plate is provided with an arc plate, the bending portion is connected to one end of the arc plate, and the stationary contact is mounted to the other end of the arc plate.
7. The thermostatic device according to claim 6, wherein the resilient plate has a positioning hole, and the push rod is engaged with the positioning hole.
8. The thermally expansive temperature controller with adjustable temperature control distance according to claim 1, wherein the bottom end of the mounting rod is provided with a threaded section, the supporting piece is provided with a threaded hole, and the threaded section is in threaded connection with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346373.5U CN211479942U (en) | 2020-03-18 | 2020-03-18 | Temperature control distance adjustable thermal expansion temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346373.5U CN211479942U (en) | 2020-03-18 | 2020-03-18 | Temperature control distance adjustable thermal expansion temperature controller |
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| Publication Number | Publication Date |
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| CN211479942U true CN211479942U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020346373.5U Active CN211479942U (en) | 2020-03-18 | 2020-03-18 | Temperature control distance adjustable thermal expansion temperature controller |
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| CN (1) | CN211479942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257621A (en) * | 2021-05-22 | 2021-08-13 | 北京易思通信息技术有限公司 | Switching device with automatic compensation temperature control |
-
2020
- 2020-03-18 CN CN202020346373.5U patent/CN211479942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257621A (en) * | 2021-05-22 | 2021-08-13 | 北京易思通信息技术有限公司 | Switching device with automatic compensation temperature control |
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