CN207338233U - A kind of small moment of torsion forced shutdown compression-type temperature controller - Google Patents
A kind of small moment of torsion forced shutdown compression-type temperature controller Download PDFInfo
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- CN207338233U CN207338233U CN201720969037.4U CN201720969037U CN207338233U CN 207338233 U CN207338233 U CN 207338233U CN 201720969037 U CN201720969037 U CN 201720969037U CN 207338233 U CN207338233 U CN 207338233U
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- temperature controller
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Abstract
A kind of small moment of torsion forced shutdown compression-type temperature controller, it is made of switch case assembly, push rod, bellows component, main body, stent, bearing plate, adjustable plate, tension spring, regulating wheel, adjustment axis and shutdown wheel, shutdown wheel is inserted in adjustment axis hypomere and is riveted into one with regulating wheel, adjustment axis, shutdown wheel edge is equipped with one section of downwardly convex shutdown wheel lift section, regulating wheel is from warm point to being equipped with the gentle section of forced shutdown Burnout,, using center of circle O to correspond to, shutdown wheel lift section is connected with bearing plate afterbody movable contact for both.This small moment of torsion forced shutdown compression-type temperature controller can realize that adjustment axis is warmed up a little to forcing the small moment of torsion of cut-off point to rotate from temperature adjustment, smaller or knob can only be from the applications that side is stirred suitable for adjustment axis upper knob diameter.
Description
Technical field
Temperature controller technical field is the utility model is related to, more particularly to a kind of small moment of torsion forced shutdown compression-type temperature controller.
Background technology
Compression-type temperature controller is widely used in refrigerator, refrigerator etc. and is used as temperature control unit, it is sometimes desirable to by rotating temperature
Control device knob is forced to make refrigerator be stopped.
Chinese patent CN2276172Y《Hand negative temperature automatic resetting pressure temperature controller》Disclose a kind of forced shutdown machine
Structure, it is made of banking stop 18, regulating wheel 2, adjustable plate 3, housing 7, and when needing forced shutdown, regulating wheel 2 is screwed into by force
Cut-off point processed, regulating wheel 2 are equipped with very steep lift from warm point to forced shutdown point, adjustable plate 3 is significantly swung to the right, at this time,
The moment of torsion applied to regulating wheel 2 increases on foot, and banking stop 18 can pull bearing plate 11 by force, after making push rod 14 because modulated plate 3 pulls
Move back, microswitch K actions are forced shutdown.Said structure has the disadvantage that：Due to regulating wheel from temperature adjustment warm up a little to force cut-off point
Need larger lift to move to right adjustable plate, and adjustable plate move to right during due to tension spring amount of tension increase so that its pulling force increase
Greatly, adjust wheel shaft so needing to apply larger moment of torsion and can rotate and realize forced shutdown.Smaller, the example in some knob diameters
Design such as some refrigerators is arranged on temperature controller in the transom in refrigerator doors, and knob diameter is less than φ 20mm and heavy plant horizontal stroke
In lintel, flat recess is set on knob, needs the things such as coin to aid in when adjusting temperature；Or knob can only be stirred, for example, some refrigerators
Design can temperature control turn knob largely ensconce control box in, only expose an edge, adjusted by stirring knob edge
Temperature, in some such application scenarios, because to apply larger moment of torsion to knob, user is difficult to turn regulating wheel
Axis is to realize forced shutdown.
Chinese patent CN200990342Y《Mechanical pressure temperature controller disconnected by force》Another forced shutdown structure is disclosed, it
It is that forced shutdown is realized by the transmission arm 11 on 15 shifting lever 9 of triangle block that is arranged on plane cam 8.It is this
There are following shortcoming for forced shutdown structure：
（1）The technical solution of the patent is only applicable to constant temperature reset type temperature controller, this is from its first segment description of background technology
Understand, thus be not suitable for plain edition compression-type temperature controller.
（2）The plane cam 8 of the patent is an axial cam, its radial dimension is small, is limited by its size, and block 15 needs
To reach in a small displacement makes transmission arm 11 move to the stroke needed for forced shutdown position, then the boundary curve of block 15
It is inevitable very steep, therefore its torque of shutting down is very big, it is impossible to realize small moment of torsion forced shutdown, meanwhile, limited by the size of plane cam 8
System, block 15 is necessarily designed to triangle, since triangular tip intensity is weak, easily because material wear or collapse lack and caused by force
Shutdown failure.In addition, block 15 is manufactured with die cast metal method, die cost etc. is led to that manufacture is of high cost.
The content of the invention
The purpose of this utility model is to provide a kind of small moment of torsion forced shutdown compression-type temperature controller, which can realize
Adjustment axis is warmed up a little to the small moment of torsion rotation for forcing cut-off point from temperature adjustment, suitable for temperature control turn knob diameter is smaller or knob can only be from
The applications that side is stirred.
The technical solution that the utility model is proposed is such：
A kind of small moment of torsion forced shutdown compression-type temperature controller, including switch case assembly 1, push rod 2, bellows component 3, main body
7th, stent 8, bearing plate 4, adjustable plate 5, tension spring 6, regulating wheel 9, adjustment axis 10, push rod 2 are arranged on the contact reed of switch case assembly 1
Between 4 vertical section of bearing plate, bearing plate fulcrum 401 and the 3 upper top movable contact of bellows component of 4 horizontal segment of bearing plate connect
Connect, adjustable plate afterbody 502 is connected with 9 EDGE CONTACT of regulating wheel, and tension spring 6 is equipped between 4 vertical section of bearing plate and adjustable plate 5, also
Equipped with a shutdown wheel 11, which is inserted in 10 hypomere of adjustment axis and is riveted into one with regulating wheel 9, adjustment axis 10, described
11 edges of shutdown wheel are equipped with one section of downwardly convex shutdown wheel lift section 111, and the regulating wheel 9 warms up point W to Burnout from temperature adjustment
The gentle section 901 of forced shutdown, the pressure of the shutdown wheel lift section 111 and the regulating wheel 9 of the shutdown wheel 11 are equipped between OFF
Gentle section 901 of shutting down is corresponding with center of circle O, and the 4 vertical section top of bearing plate is equipped with an afterbody 402, and the shutdown wheel rises
Journey section 111 is connected with 402 movable contact of bearing plate afterbody.
The gentle section 901 of forced shutdown lift of the regulating wheel 9 is one section of circular arc that is concentric with center of circle O and waiting radius.Institute
The gentle section 901 of forced shutdown for stating regulating wheel 9 can also be one section of and radius concentric with center of circle O from warm point W to Burnout OFF by
The small curve of gradual change.The shutdown wheel 11, which includes shutdown wheel lift section 111, to be formed by sheet metal or band bending ram.
The course of work of this small moment of torsion forced shutdown compression-type temperature controller is the shutdown wheel 11 and regulating wheel 9, adjustment axis
10 are riveted together through 8 rotation center hold of stent, and three becomes an entirety.During normal temperature adjustment, shutdown wheel lift section 111 with
Bearing plate afterbody 402 is contactless, and temperature controller makes bearing plate around fulcrum 401 since temperature-sensitive temperature leads to the flexible of bellows component 3
Swing, and break-make is acted by 2 pull switch case assembly 1 of push rod, adjustable plate can be passed through from cold spot C to warm point W by rotating regulating wheel 9
5 adjust the amount of tension of tension spring 6 so as to obtaining different operating temperatures.During forced shutdown, shutdown takes turns lift section 111 from warm point W
The position that rigid connection touches bearing plate afterbody 402 turns to and stirs bearing plate afterbody 402 and move from left to right, makes bearing plate 4 around fulcrum
401 clockwise oscillations, push rod 2 exit to the right, and switch case assembly 1 switches off；Meanwhile during forced shutdown, due to adjusting
The gentle section 901 of forced shutdown that wheel 9 is contacted with 5 afterbody 502 of adjustable plate does not have lift（Isometrical arc section）, the afterbody of adjustable plate 5
502 do not extend without left and right swing, tension spring 6, or even also have and shorten（When the gentle section 901 of forced shutdown is from warm point W to shutdown
Point OFF be radius gradually small curve when, tension spring 6 will shorten）, therefore big moment of torsion need not be applied can easily rotate tune
Nodal axisn 10 realizes forced shutdown.
Compared with prior art, the utility model has the advantages that：
The temperature controller of the utility model is equipped with one section of downwardly convex edge due to using（That is shutdown wheel lift section）Shutdown
Wheel, regulating wheel warm up point W to Burnout from temperature adjustment（Force cut-off point）The gentle section of forced shutdown is equipped between OFF, and will be closed
Wheel is inserted in adjustment axis hypomere and is riveted into one with regulating wheel, adjustment axis, and three center of circle O is homocentric, the center of circle of shutdown wheel lift section
The central angle of the gentle section of the forced shutdown of angle and regulating wheel is vertical angles, between its angular range is 43 °~48 °.It is strong when entering
During shutdown process processed, the knob in adjustment axis is turned clockwise, and shutdown wheel lift section inner wall contacts simultaneously with bearing plate afterbody
Gradually oppress it to swing from left to right, both are face contacts, and rub very little, and abrasion is ignored, at the same time, due to regulating wheel
The gentle section of forced shutdown be circular arc or radius gradually small curve, so, in this course, tension spring can shrink more and more
Short, shutdown wheel lift section also diminishes the oppressive force of bearing plate afterbody therewith, that is, the moment of torsion for imposing on knob can be more and more small, strong
In shutdown process processed, this structure not but not is elongated tension spring, on the contrary it is also possible to being shortened, the result of actual measurement shows that, this
The compression-type temperature controller of structure in forced shutdown need to knob apply moment of torsion be plain edition compression-type temperature controller 43% with
Under.Fit entirely into that temperature control turn knob diameter is smaller or knob can only extend pressure type temperature from the applications that side is stirred
Control the application range of device.This small moment of torsion forced shutdown structure is suitable for all plain edition compression-type temperature controllers.
Brief description of the drawings
Fig. 1 is that a kind of structure of the small moment of torsion forced shutdown compression-type temperature controller of the utility model under normal temperature control state is shown
It is intended to.
Fig. 2 is that a kind of structure of the small moment of torsion forced shutdown compression-type temperature controller of the utility model under forced shutdown state is shown
It is intended to.
Fig. 3 is the left view of the bearing plate shown in Fig. 1.
Fig. 4 is that the structure between the afterbody of shutdown wheel regulating wheel bearing plate shown in Fig. 1, regulator board afterbody under warm dotted state is faced upward
View.
Fig. 5 is shut down shown in Fig. 2 between wheel, regulating wheel, bearing plate afterbody, regulator board afterbody under forced shutdown state
Structure bottom view.
Figure label represents：1st, case assembly is switched, 2, push rod, 3, bellows component, 4, bearing plate, 401, bearing plate branch
Point, 402, bearing plate afterbody, 5, adjustable plate, 501, adjustable plate fulcrum, 502, adjustable plate afterbody, 6, tension spring, 7, main body, 8, branch
Frame, 9, regulating wheel, 901, the gentle section of forced shutdown, 10, adjustment axis, 11, shutdown wheel, 111 shutdown wheel lift sections.
Embodiment
The utility model is further elaborated by example below.
Referring to shown in Fig. 1 to Fig. 5, a kind of small moment of torsion forced shutdown compression-type temperature controller, including switch case assembly 1, push rod
2nd, bellows component 3, main body 7, stent 8, bearing plate 4, adjustable plate 5, tension spring 6, regulating wheel 9, adjustment axis 10, push rod 2 are arranged on and open
Between 4 vertical section of contact reed and bearing plate for closing case assembly 1, bearing plate fulcrum 401 and the bellows group of 4 horizontal segment of bearing plate
3 upper top movable contact of part connects, and adjustable plate afterbody 502 is connected with 9 EDGE CONTACT of regulating wheel, and 4 vertical section of bearing plate is with adjusting
Tension spring 6 is equipped between plate 5, is additionally provided with a shutdown wheel 11, which is inserted in 10 hypomere of adjustment axis and regulating wheel 9, adjusting
Axis 10 is riveted into one, and 11 edges of shutdown wheel are equipped with one section of downwardly convex shutdown wheel lift section 111, the regulating wheel 9
The gentle section 901 of forced shutdown, the shutdown wheel lift section 111 of the shutdown wheel 11 are equipped with warming up point W to Burnout OFF from temperature adjustment
Corresponding with center of circle O with the gentle section 901 of the forced shutdown of the regulating wheel 9, the 4 vertical section top of bearing plate is equipped with a tail
Portion 402, under certain rotation angle, the shutdown wheel lift section 111 is connected with 402 movable contact of bearing plate afterbody.
The gentle section 901 of forced shutdown of the regulating wheel 9 is one section of circular arc that is concentric with center of circle O and waiting radius；The regulating wheel it is strong
The gentle section 901 of system shutdown can also be one section of and radius concentric with center of circle O from warm point W to the gradually smaller curves of Burnout off.
The shutdown wheel（11）Lift section is taken turns including shutdown（111）All it is to be formed by sheet metal or band bending ram.
The operation principle and the course of work of this temperature controller are such：During normal temperature control, shutdown wheel lift section 111 and pressure-bearing
Plate afterbody 402 is contactless, as temperature-sensitive temperature is raised and lowered, the pressure rise of the special working medium of filling in bellows component 3
Or reduce, bellows is overcome the pulling force of tension spring 6 and is promoted bearing plate 4 around the bearing plate fulcrum 401 installed in 7 two side of main body
Swing, by the contacting in 2 pull switch case assembly 1 of push rod or disconnection, so as to control cryogenic temperature.The stretching of tension spring 6
Amount can be adjusted by adjustable plate 5 and adjustment axis 10, regulating wheel 9, described with adjusting as regulating wheel 9 goes to different directions
Taking turns the position of 5 afterbody 502 of adjustable plate of 9 side wall profiles contact can change, and make adjustable plate 5 around installed in 7 two side of main body
Adjustable plate fulcrum 501 swing, so as to change the pulling force of tension spring 6, therefore obtain different on-off operating temperatures.Force
During shutdown, shutdown wheel lift section 111, which turns to 402 position of bearing plate afterbody, stirs bearing plate afterbody 402 and moves from left to right, makes
Bearing plate 4 exits to the right around 401 clockwise oscillation of bearing plate fulcrum, push rod 2, and the switch of switch case assembly 1 is forced to disconnect, this
When, change regardless of temperature-sensitive temperature all without connection；Meanwhile in shutdown process, the adjusting that is contacted with adjustable plate afterbody 502
The gentle section 901 of forced shutdown of wheel 9 does not have lift, and adjustable plate afterbody 502 does not swing, and tension spring 6 does not extend, or even also
There is shortening, therefore the knob that need not apply big moment of torsion and can easily rotate in adjustment axis 10 realizes forced shutdown.
The shutdown wheel 11 is formed by sheet metal or band bending ram, after regulating wheel 9 and the riveting of adjustment axis 10, it
The rotation center hold of component through stent 8 is riveted together with the shutdown wheel 11 again.It is suitably designed the lift section of shutdown wheel
111 so that it is contactless with bearing plate afterbody 402 in the angle range of normal temperature adjustment, and with miscellaneous part without interference, strong
Shutdown wheel lift section 111 is moved in which can make 402 uniformly continuous of bearing plate afterbody from left swing in about 45 ° of angle ranges during system shutdown
To the right side, so that switch is forced to disconnect.
The result of actual measurement shows that using the temperature controller of the utility model, its forced shutdown moment of torsion can be less than 0.15Nm, than general
The mechanical forced shutdown moment of torsion about 0.35Nm of flow-through compression-type temperature controller is greatly lowered, and is fully able to meet temperature control turn knob
Diameter is smaller or knob can only be used from the refrigerator or refrigerator that side is stirred.
Claims (4)
1. a kind of small moment of torsion forced shutdown compression-type temperature controller, including switch case assembly（1）, push rod（2）, bellows component（3）、
Main body（7）, stent（8）, bearing plate（4）, adjustable plate（5）, tension spring（6）, regulating wheel（9）, adjustment axis（10）, push rod（2）It is arranged on
Switch case assembly（1）Contact reed and bearing plate（4）Between vertical section, bearing plate（4）The bearing plate fulcrum of horizontal segment（401）
With bellows component（3）Upper top movable contact connects, adjustable plate afterbody（502）With regulating wheel（9）EDGE CONTACT connects, pressure-bearing
Plate（4）Vertical section and adjustable plate（5）Between be equipped with tension spring（6）, it is characterised in that：It is additionally provided with shutdown wheel（11）, shutdown wheel（11）
It is inserted in adjustment axis（10）Hypomere and regulating wheel（9）, adjustment axis（10）It is riveted into one, the shutdown wheel（11）Edge is equipped with one section
Downwardly convex shutdown wheel lift section (111), the regulating wheel（9）It is equipped with warming up point W to Burnout OFF from temperature adjustment and forces to close
The gentle section of machine（901）, the shutdown wheel（11）Shutdown wheel lift section（111）With the regulating wheel（9）Forced shutdown it is gentle
Section（901）It is corresponding with center of circle O, the bearing plate（4）Vertical section top is equipped with an afterbody（402）, the shutdown wheel lift
Section（111）With bearing plate afterbody described in vertical section top（402）Movable contact connects.
2. small moment of torsion forced shutdown compression-type temperature controller according to claim 1, it is characterised in that：The regulating wheel（9）
The gentle section of forced shutdown（901）It is one section of circular arc that is concentric with center of circle O and waiting radius.
3. small moment of torsion forced shutdown compression-type temperature controller according to claim 1, it is characterised in that：The regulating wheel it is strong
The gentle section of system shutdown（901）It is one section of and radius concentric with center of circle O from warm point W to the gradually smaller curves of Burnout OFF.
4. small moment of torsion forced shutdown compression-type temperature controller according to claim 1, it is characterised in that：The shutdown wheel（11）
Lift section is taken turns including shutdown（111）It is to be formed by sheet metal or band bending ram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969037.4U CN207338233U (en) | 2017-08-04 | 2017-08-04 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969037.4U CN207338233U (en) | 2017-08-04 | 2017-08-04 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338233U true CN207338233U (en) | 2018-05-08 |
Family
ID=62378393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969037.4U Withdrawn - After Issue CN207338233U (en) | 2017-08-04 | 2017-08-04 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275150A (en) * | 2017-08-04 | 2017-10-20 | 佛山通宝华通控制器有限公司 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
-
2017
- 2017-08-04 CN CN201720969037.4U patent/CN207338233U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107275150A (en) * | 2017-08-04 | 2017-10-20 | 佛山通宝华通控制器有限公司 | A kind of small moment of torsion forced shutdown compression-type temperature controller |
| CN107275150B (en) * | 2017-08-04 | 2019-07-19 | 佛山通宝华通控制器有限公司 | A kind of small torque forced shutdown compression-type temperature controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180508 Effective date of abandoning: 20190719 |