CN218447705U

CN218447705U - Bimetallic strip temperature controller

Info

Publication number: CN218447705U
Application number: CN202222510119.6U
Authority: CN
Inventors: 王欢
Original assignee: Dongying Taiborui Temperature Control Technology Co ltd
Current assignee: Dongying Taiborui Temperature Control Technology Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-02-03
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a bimetallic strip thermostat, relating to the technical field of bimetallic strip thermostats and comprising a casing and a placing rack; case: the two sides of the top surface are respectively provided with a pin, a bolt is clamped in a through hole in the middle of the pin, the bolt on the left side is in threaded connection with a screw hole in the middle of an elastic conducting plate, the bolt on the right side is in threaded connection with a screw hole in the middle of a conducting plate, electric contact heads are fixed in the middle of the inner sides of the conducting plate and the elastic conducting plate, the placing frame is fixed in the shell, double metal sheets are placed in the placing frame, and a mandril slides in a rod hole in the top surface of the placing frame; wherein: still include the cap, the cap cooperatees with the bottom of shell case, uses the bolt to participate in the top surface of fixing at the shell case, and two bolts simultaneously fix conducting strip and elastic conducting strip respectively in the inside of shell case, and double-metal piece takes place deformation when the temperature risees after, this bimetallic strip temperature controller, easy dismounting practices thrift the cost, and the practicality is strong.

Description

Bimetallic strip temperature controller

Technical Field

The utility model relates to a bimetallic strip temperature controller technical field specifically is a bimetallic strip temperature controller.

Background

The temperature controller is a series of automatic control elements which generate on-off actions according to the temperature change of a working environment and generate physical deformation inside a switch, so that certain special effects are generated, the bimetallic strip temperature controller is one of various temperature controller types, the used bimetallic strip is made by pressing two metals with large thermal expansion coefficient difference together, the deformation difference of the two metals leads to the bending phenomenon of the bimetallic strip at different temperatures, the deformation is utilized to push a quick mechanism to drive the switch contact to be closed and disconnected, when the bimetallic strip and other elements inside the bimetallic strip temperature controller are damaged, the bimetallic strip temperature controller needs to be detached for replacement, but the shell and the shell cover of the current temperature controller are directly pressed, when the temperature controller fails, only conducting strips which are replaced are discarded, so that the use cost is increased, meanwhile, the position where the elastic conducting strips are not in place easily rebounded in the use process, the two electric contact heads cannot be separated, and the information on an nameplate is easily oxidized to cause the problem of being unclear.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a bimetallic strip temperature controller, easy dismounting practices thrift the cost, and the practicality is strong, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bimetallic strip temperature controller comprises a shell and a placing rack;

a shell: the two sides of the top surface are respectively provided with a pin, a bolt is clamped in a through hole in the middle of the pin, the bolt on the left side is in threaded connection with a screw hole in the middle of an elastic conducting plate, the bolt on the right side is in threaded connection with a screw hole in the middle of a conducting plate, electric contact heads are fixed in the middle of the inner sides of the conducting plate and the elastic conducting plate, the placing frame is fixed in the shell, double metal sheets are placed in the placing frame, and a mandril slides in a rod hole in the top surface of the placing frame;

wherein: still include the cap, the cap cooperatees with the bottom of shell cover.

Use the bolt to participate in the top surface of fixing at the shell, two bolts simultaneously fix conducting strip and elastic conducting strip in the inside of shell respectively, and double metal sheet takes place deformation after the temperature rise, makes the ejector pin upwards press elastic conducting strip, can make two electrical contact head contacts electrically conduct like this.

Further, still include mount, oxidation-resistant film and data plate, the top surface at the casing is fixed to the mount, install the data plate in the recess at mount top surface middle part, the top surface of data plate bonds and has oxidation-resistant film, and the mount can conveniently be participated in two and carry on spacingly, and the data of temperature controller can be carried out the record to the data of while data plate, and its surface bonding's oxidation-resistant film can prevent that the data plate from appearing the subsequent looking over of oxidation influence.

Further, still include support frame, spacing and spring, the top surface at the mount inside is fixed to the support frame, the middle part of support frame bottom surface is fixed with the spacing, the inside joint of spacing has the spring, and the support frame can play the effect of injecing to the installation of conducting strip and elastic conducting strip, and the spring of spacing inside simultaneously can provide the resilience force to elastic conducting strip, prevents that elastic conducting strip from kick-backing out not to the position and causing two electric contact head long time contacts to influence subsequent use.

Further, still include fixing base and connecting rod, the left and right sides face of fixing base is connected with the one end of two connecting rods respectively, the other end of connecting rod is connected with one side of placing the frame top surface, and the slide opening at fixing base middle part slides with the ejector pin to prevent that the skew from appearing in the ejector pin.

Further, still include external screw thread and internal thread, the bottom at the shell lateral surface is fixed to the external screw thread, the internal thread is fixed at the medial surface of cap, internal thread and external screw thread threaded connection to the convenient dismouting of carrying on the cap fast is convenient for change the spare part of shell inside like this, in order to reach the purpose that reduces use cost.

Furthermore, the sealing device further comprises a rod seat and a sealing ring, wherein the rod seat is arranged in the middle of the bottom surface of the elastic conducting sheet, the sealing ring is arranged at the bottom end inside the shell cover, and the sealing ring can prevent moisture and the like from entering the shell.

Compared with the prior art, the beneficial effects of the utility model are that: this bimetallic strip temperature controller has following benefit:

1. the mount can conveniently be participated in to two and carry on spacingly, and the data plate can carry out the record to the data of temperature controller simultaneously, and its surface bonding's anti-oxidant membrane can prevent that the data plate from appearing the oxidation and influencing subsequent looking over.

2. Internal thread and external screw thread threaded connection to the convenience carries out quick dismouting to the cap, is convenient for like this change the spare part of shell inside, in order to reach the purpose that reduces use cost.

3. The support frame can play the effect of injecing to the installation of conducting strip and elastic conducting strip, and the spring of spacing inside simultaneously can provide resilience force to elastic conducting strip, prevents that elastic conducting strip kick-backs not the position and causes two electric contact head long time contact influence subsequent uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view of the local enlarged structure at a position of the present invention.

In the figure: 1 shell, 2 pins, 3 bolts, 4 conducting strips, 5 elastic conducting strips, 6 placing frames, 7 double metal sheets, 8 ejector rods, 9 shell covers, 10 electric contact heads, 11 fixing frames, 12 oxidation resistant films, 13 nameplates, 14 supporting frames, 15 limiting frames, 16 springs, 17 fixing seats, 18 connecting rods, 19 external threads, 20 internal threads, 21 rod seats and 22 sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a bimetallic strip temperature controller comprises a shell 1 and a placing rack 6;

the housing 1: the two sides of the top surface are respectively provided with a pin 2, a bolt 3 is clamped in a through hole in the middle of the pin 2, the bolt 3 on the left side is in threaded connection with a screw hole in the middle of an elastic conducting plate 5, the bolt 3 on the right side is in threaded connection with a screw hole in the middle of a conducting plate 4, an electric contact head 10 is fixed in the middle of the inner sides of the conducting plate 4 and the elastic conducting plate 5, a placing frame 6 is fixed in the shell 1, a double metal sheet 7 is placed in the placing frame 6, and a push rod 8 slides in a rod hole in the top surface of the placing frame 6;

wherein: the temperature control device also comprises a shell cover 9, the shell cover 9 is matched with the bottom end of the shell 1, the pin 2 is fixed on the top surface of the shell 1 by using bolts 3, meanwhile, the conducting strip 4 and the elastic conducting strip 5 are respectively fixed in the shell 1 by the two bolts 3, the double metal sheet 7 deforms after the temperature rises, so that the ejector rod 8 upwards presses the elastic conducting strip 5, two electric contact heads 10 can be contacted to conduct electricity, the temperature control device also comprises a fixing frame 11, an anti-oxidation film 12 and a nameplate 13, the fixing frame 11 is fixed on the top surface of the shell 1, the nameplate 13 is installed in a groove in the middle of the top surface of the fixing frame 11, the anti-oxidation film 12 is bonded on the top surface of the nameplate 13, the fixing frame 11 can conveniently limit the two pin 2, meanwhile, the nameplate 13 can record the data of the temperature controller, and the anti-oxidation film 12 bonded on the surface can prevent the nameplate 13 from oxidation and influencing subsequent checking, the electric contact rack comprises a support frame 14, a limiting frame 15 and a spring 16, wherein the support frame 14 is fixed on the top surface inside a fixed frame 11, the limiting frame 15 is fixed in the middle of the bottom surface of the support frame 14, the spring 16 is clamped inside the limiting frame 15, the support frame 14 can play a limiting role in installing the electric conduction sheet 4 and the elastic electric conduction sheet 5, meanwhile, the spring 16 inside the limiting frame 15 can provide resilience for the elastic electric conduction sheet 5, the situation that the two electric contact heads 10 are contacted for a long time due to the fact that the elastic electric conduction sheet 5 cannot rebound to influence subsequent use is prevented, the electric contact rack also comprises a fixed seat 17 and a connecting rod 18, the left side surface and the right side surface of the fixed seat 17 are respectively connected with one end of the two connecting rods 18, the other end of the connecting rod 18 is connected with one side of the top surface of the placing frame 6, a sliding hole in the middle of the fixed seat 17 slides with an ejector rod 8, and therefore, the ejector rod 8 is prevented from deviating, and further comprises an external thread 19 and an internal thread 20, external screw thread 19 is fixed in the bottom of 1 lateral surface of shell, the medial surface at cap 9 is fixed to internal thread 20,

internal thread

20 and 19 threaded connection of external screw thread, thereby conveniently carry out quick dismouting to cap 9, be convenient for like this change the spare part of the inside of shell casing 1, with the purpose that reaches reduction use cost, still include rod seat 21 and sealing washer 22, the middle part at 5 bottom surfaces of elastic conducting strip is installed to rod seat 21, sealing washer 22 is placed in the inside bottom of cap 9, sealing washer 22 can prevent that moisture etc. from entering into inside 1 of shell casing.

The utility model provides a pair of bimetallic strip temperature controller's theory of operation as follows: firstly, the pin 2 is fixed inside a fixing frame 11 on the top surface of a shell 1 by using bolts 3, meanwhile, the conducting plate 4 and the elastic conducting plate 5 are respectively placed inside a supporting frame 14, the conducting plate 4 and the elastic conducting plate 5 are respectively fixed inside the supporting frame 14 by using the bolts 3, an internal thread 20 on the inner side surface of the shell cover 9 is matched with an external thread 19 on the outer side surface of the shell 1, so that the shell cover 9 is convenient to install and disassemble, parts inside the shell 1 are convenient to replace, the use cost is reduced, the double metal sheets 7 deform after the temperature rises, the ejector rod 8 moves upwards in a sliding hole inside a fixing seat 17, the ejector rod seat 21 is matched to prevent the ejector rod 8 from offsetting, the ejector rod 8 moves upwards to press the elastic conducting plate 5, so that the two electric contact heads 10 are contacted to conduct electricity, the double metal sheets 7 return to the position when the temperature drops, at this time, a spring 16 inside the limiting frame 15 can provide resilience force for the elastic conducting plate 5, the elastic conducting plate 10 is prevented from being contacted for a long time, the subsequent use is prevented from being influenced by the oxidation-resistant adhesive film 12 on the surface of a temperature controller.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A bimetallic strip temperature controller is characterized in that: comprises a shell (1) and a placing rack (6);

case (1): the two sides of the top surface are respectively provided with a pin (2), a bolt (3) is clamped in a through hole in the middle of each pin (2), the bolt (3) on the left side is in threaded connection with a screw hole in the middle of an elastic conducting plate (5), the bolt (3) on the right side is in threaded connection with a screw hole in the middle of a conducting plate (4), an electric contact head (10) is fixed in the middle of the inner sides of the conducting plate (4) and the elastic conducting plate (5), a placing frame (6) is fixed in a shell (1), double metal sheets (7) are placed in the placing frame (6), and an ejector rod (8) slides in a rod hole in the top surface of the placing frame (6);

wherein: the device is characterized by further comprising a shell cover (9), wherein the shell cover (9) is matched with the bottom end of the shell (1).

2. The bimetallic strip thermostat of claim 1, wherein: still include mount (11), anti-oxidation membrane (12) and data plate (13), the top surface at shell (1) is fixed in mount (11), install data plate (13) in the recess at mount (11) top surface middle part, the top surface of data plate (13) bonds and has anti-oxidation membrane (12).

3. The bimetallic strip thermostat of claim 1, wherein: still include support frame (14), spacing (15) and spring (16), the top surface in mount (11) inside is fixed in support frame (14), the middle part of support frame (14) bottom surface is fixed with spacing (15), the inside joint of spacing (15) has spring (16).

4. The bimetallic strip thermostat of claim 1, wherein: still include fixing base (17) and connecting rod (18), the left and right sides face of fixing base (17) is connected with the one end of two connecting rod (18) respectively, the other end and the one side of rack (6) top surface of connecting rod (18) are connected.

5. The bimetallic strip thermostat of claim 1, wherein: the shell cover is characterized by further comprising an external thread (19) and an internal thread (20), wherein the external thread (19) is fixed at the bottom end of the outer side face of the shell cover (1), and the internal thread (20) is fixed on the inner side face of the shell cover (9).

6. The bimetallic strip thermostat of claim 1, wherein: the elastic conductive piece is characterized by further comprising a rod seat (21) and a sealing ring (22), wherein the rod seat (21) is installed in the middle of the bottom surface of the elastic conductive piece (5), and the sealing ring (22) is placed at the bottom end inside the shell cover (9).