CN220774267U

CN220774267U - Thermomagnetic adjustable system

Info

Publication number: CN220774267U
Application number: CN202322483671.5U
Authority: CN
Inventors: 郑建光; 王雪山
Original assignee: Zhejiang Etk Electric Co ltd
Current assignee: Zhejiang Etk Electric Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-12
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a thermomagnetic adjustable system, which comprises a support frame, wherein a traction rod and a push rod are movably arranged on the support frame, a plurality of thermal elements are fixedly connected to the bottom end of one side of the support frame, a support plate, a support and a base plate are arranged on one side of the thermal elements, a magnetic yoke is arranged in the support frame, an armature is arranged at the top of the magnetic yoke, a fixed plate is fixedly connected to one side of the traction rod, a sliding groove is arranged in the fixed plate, a pull rod is arranged in the sliding groove, one end of the pull rod is hinged with the armature, a nut is connected to one end of the pull rod, which is far away from the armature, and two fixing pieces are fixedly connected to the top end of one side of the support frame.

Description

Thermomagnetic adjustable system

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a thermomagnetic adjustable system.

Background

The circuit breaker generally comprises a contact system, an arc extinguishing system, an operating mechanism, a release, a shell and the like, when overload or short-circuit faults occur in a circuit, the release pulls the operating mechanism to act, and the circuit is automatically cut off, so that a protection effect is achieved, the thermomagnetic adjustable circuit breaker is provided for being applicable to different loads, the thermomagnetic adjustable circuit breaker has a thermomagnetic adjustable function, and when magnetic adjustment is carried out, the magnetic distance between an armature and a magnetic yoke is usually adjusted to be completed.

When the traditional circuit breaker carries out magnetic adjustment to a plurality of armatures and magnet yokes, the steps are more complicated, the operation is inconvenient, and the use requirements of users cannot be well met.

Disclosure of Invention

The present utility model is directed to a thermomagnetic adjustable system, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the thermomagnetic adjustable system comprises a support frame, wherein a traction rod and a push rod are movably installed on the support frame, a plurality of thermal elements are fixedly connected to the bottom end of one side of the support frame, a support plate, a support and a base plate are arranged on one side of the thermal elements away from the support frame, a magnetic yoke is installed in the support frame, an armature is arranged at the top of the magnetic yoke, a fixing plate is fixedly connected to one side of the traction rod, a sliding groove is formed in the fixing plate, a pull rod is arranged in the sliding groove, one end of the pull rod is hinged with the armature, a nut is connected to one end of the pull rod away from the armature in a threaded manner, two fixing pieces are fixedly connected to the top end of one side of the support frame, a thermal adjusting mechanism is arranged on one side of the support frame, and a magnetic adjusting mechanism for adjusting the distance between the armature and the magnetic yoke is arranged on one side of the support frame;

the magnetic adjusting mechanism comprises a magnetic adjusting rotating rod, an inclined table, a transmission plate, a cross rod and a connecting rod, wherein the magnetic adjusting rotating rod is movably inserted into the top of the supporting plate, the magnetic adjusting rotating rod is rotatably connected with one of the fixing pieces, the inclined table is arranged on the outer side of the magnetic adjusting rotating rod and can rotate along with the magnetic adjusting rotating rod, the top of the inclined table is provided with a spiral inclined surface, the transmission plate is hinged to the base plate through a pin shaft, the cross rod is arranged on one side of the transmission plate and is hinged to the transmission plate, and the connecting rod is installed on the transmission plate and connected with an armature.

As a preferable scheme of the utility model, the thermal regulating mechanism comprises a thermal regulating rotating rod, an eccentric rod, driving rods and inclined bosses, wherein the thermal regulating rotating rod is rotatably arranged on the fixing piece, the eccentric rod is fixedly connected to the bottom of the thermal regulating rotating rod, the driving rods are fixedly connected to one side of the traction rod, the number of the driving rods is two, and the inclined bosses are arranged on one side of the traction rod.

As a preferable scheme of the utility model, the top of the thermal adjusting rotating rod is provided with a thermal adjusting knob, and the top of the magnetic adjusting rotating rod is provided with a magnetic adjusting knob.

As a preferable scheme of the utility model, the width of the sliding groove is larger than the diameter of the pull rod, the diameter of the nut is larger than the width of the sliding groove, and a tension spring is arranged on the outer side of the armature.

As a preferable scheme of the utility model, the top of the magnetic yoke is provided with a bimetallic strip, and the top of the bimetallic strip is provided with an adjusting screw.

As a preferable scheme of the utility model, the traction rod is provided with a rotating part and an inclined surface part, and the bottom of the push rod is provided with a limiting part matched with the inclined surface part.

As a preferred embodiment of the present utility model, bolts are provided between the base plate, the bracket, the yoke, the support plate, the thermal element and the support frame.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has compact structure, small occupied space and convenient thermo-magnetic adjustment, and can adjust the distance between a plurality of armatures and the magnetic yoke simultaneously by only rotating the magnetic adjusting knob through the magnetic adjusting mechanism, thereby realizing magnetic adjustment without respectively adjusting, simplifying the operation steps, and simultaneously respectively adjusting the distance between the armatures and the magnetic yoke through the nuts, the pull rod and the fixing plate, thereby meeting different requirements of users.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the substrate of the present utility model when not mounted;

FIG. 4 is an enlarged view of the utility model at B in FIG. 3;

FIG. 5 is a schematic view of the rear side structure of the support frame of the present utility model when not installed;

FIG. 6 is an enlarged view of the utility model at C in FIG. 5;

FIG. 7 is a schematic view of the structure of the driving plate of the present utility model;

FIG. 8 is a schematic view of the structure of the drawbar of the present utility model;

FIG. 9 is a schematic view of a putter in accordance with the present utility model;

FIG. 10 is a schematic view of the structure of the magnetic adjustment lever of the present utility model;

FIG. 11 is a schematic view of a thermally tuned mass bar of the present utility model;

fig. 12 is a schematic structural view of the support plate of the present utility model.

In the figure: 1. a support frame; 2. a thermal element; 3. a bracket; 4. a yoke; 5. a substrate; 6. a bolt; 7. a traction rod; 8. a magnetic adjustment mechanism; 81. a magnetic adjusting rotating rod; 82. a ramp; 83. a drive plate; 84. a cross bar; 85. a connecting rod; 9. a thermal adjustment mechanism; 91. a thermally regulated rotating rod; 92. an eccentric rod; 93. a driving rod; 94. an inclined boss; 10. a fixing member; 11. a magnetic adjustment knob; 12. a thermal adjustment knob; 13. a push rod; 14. a fixing plate; 15. a chute; 16. a nut; 17. a pull rod; 18. a rotating part; 19. an armature; 20. a pin shaft; 21. a tension spring; 22. a limit part; 23. an adjusting screw; 24. bimetallic strips; 25. a bevel portion; 26. and a support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 12, the present utility model provides a technical solution: the thermomagnetic adjustable system comprises a support frame 1, wherein a traction rod 7 and a push rod 13 are movably arranged on the support frame 1, a plurality of thermal elements 2 are fixedly connected to the bottom end of one side of the support frame 1, a support plate 26, a support 3 and a base plate 5 are arranged on one side of the thermal elements 2 far away from the support frame 1, one side of the support plate 26 is inserted into the base plate 5, the support plate 26 is firmer, a magnetic yoke 4 is arranged in the support frame 3, an armature 19 is arranged at the top of the magnetic yoke 4, a fixed plate 14 is fixedly connected to one side of the traction rod 7, a sliding groove 15 is arranged in the fixed plate 14, a pull rod 17 is arranged in the sliding groove 15, one end of the pull rod 17 is hinged with the armature 19, a nut 16 is connected to one end of the pull rod 17 far away from the armature 19 in a threaded manner, the rotating nut 16 is arranged on one side of the pull rod, the pull rod 17 can adjust the position of the pull rod 17, and then the armature 19 can adjust the distance between the armature 19 and the magnetic yoke 4, so that different requirements of users can be met, when a circuit is shorted, the magnetic yoke 4 generates magnetic force to attract the armature 19 to move downwards, the armature 19 rotates downwards, the armature 19 is enabled to rotate through the pull rod 17 and the nut 16, one side of the pull rod 7 rotates around a rotating part 18, a sliding part 25 is enabled to rotate, a horizontal inclined part 25 is arranged on the side of the armature 25 to be in a position of the support frame 10, and a position-adjusting mechanism is arranged on the support frame 10, and the magnetic mechanism is fixed between the side of the support frame 1, and the support frame 10 is fixed, and the position is fixed, and one side, and the magnetic mechanism is used for adjusting and the top end is arranged, and has a position-stop mechanism, and a position of a position-stand 9, and a position-stand device, and a position-stand device, and a position device;

the magnetic adjusting mechanism 8 comprises a magnetic adjusting rotating rod 81, an inclined table 82, a transmission plate 83, a cross rod 84 and a connecting rod 85, wherein the magnetic adjusting rotating rod 81 is movably inserted into the top of the supporting plate 26, the magnetic adjusting rotating rod 81 is rotatably connected with one fixing piece 10, the inclined table 82 is arranged on the outer side of the magnetic adjusting rotating rod 81, the inclined table 82 can rotate along with the magnetic adjusting rotating rod 81, a spiral inclined surface is arranged on the top of the inclined table 82, when the inclined table 82 rotates, the magnetic adjusting mechanism 8 can gradually jack up one end of the transmission plate 83 through the spiral inclined surface, so that the magnetic adjusting mechanism is more stable when in magnetic adjustment, the transmission plate 83 is hinged to the base plate 5 through a pin shaft 20, the cross rod 84 is arranged on one side of the transmission plate 83, the cross rod 84 is hinged to the transmission plate 83, the connecting rod 85 is arranged on the transmission plate 83, the bottom of the connecting rod 85 is connected with the armature 19, the magnetic adjusting rotating rod 81 drives the inclined table 82 to rotate, one end of the transmission plate 83 is gradually jacked up, the transmission plate 83 takes place to rotate by taking the pin shaft 20 as a circle center, the transmission plate 83 moves the armature 19 through the connecting rod 85, the distance between the armature 19 and the armature 19 is adjusted, the armature 83 is adjusted to be fixed, the distance between the two magnetic yokes 83 is adjusted, and the other magnetic yokes are adjusted, and the step is synchronous operation is realized, and the step is has the synchronous adjustment of the step is realized, and the step is has the step of the between the magnet and the magnet 83.

Wherein, thermal regulation mechanism 9 includes thermal regulation bull stick 91, eccentric rod 92, actuating lever 93 and oblique boss 94, thermal regulation bull stick 91 rotates and installs on mounting 10, eccentric rod 92 fixed connection is in the bottom of thermal regulation bull stick 91, actuating lever 93 fixed connection is in one side of traction lever 7, and the quantity of actuating lever 93 is two, oblique boss 94 sets up in one side of traction lever 7, one side of oblique boss 94 is equipped with the inclined plane, the thermal regulation bull stick 91 rotates clockwise, thermal regulation bull stick 91 drives eccentric rod 92 and rotates, eccentric rod 92 makes traction lever 7 take place the removal in the water square direction through actuating lever 93, traction lever 7 makes oblique boss 94 be close to adjusting screw 23 motion, adjust the position of oblique boss 94, the more oblique boss 94 is close to adjusting screw 23, the degree that the bimetallic strip 24 needs crooked is triggered to trip is less, the corresponding thermal trip setting current is less, thereby realize thermal trip setting current's regulation.

Wherein, the top of thermal regulation bull stick 91 is equipped with thermal regulation knob 12, and thermal regulation knob 12 makes things convenient for the staff to rotate thermal regulation bull stick 91, and magnetic regulation knob 11 is established at the top of magnetic regulation bull stick 81, and magnetic regulation knob 11 makes things convenient for the staff to rotate magnetic regulation bull stick 81.

The width of the sliding groove 15 is larger than the diameter of the pull rod 17, so that the width of the sliding groove 15 is larger than the diameter of the pull rod 17, the pull rod 7 is prevented from being blocked by the pull rod 17, the pull rod 7 cannot rotate, the diameter of the nut 16 is larger than the width of the sliding groove 15, a tension spring 21 is arranged on the outer side of the armature 19, and the tension spring 21 is used for applying tension to one end of the armature 19, so that the armature 19 is kept at a certain distance from the magnetic yoke 4.

When the circuit is overloaded, the bimetal 24 is heated to deform, the bimetal 24 drives the adjusting screw 23 to move, the adjusting screw 23 pushes the traction rod 7 to rotate by taking the rotating part 18 as the center of a circle, the inclined part 25 rotates to be in a horizontal state, the limit part 22 is not blocked, the limit on the push rod 13 is released, the push rod 13 moves to push the operating mechanism to realize tripping, the adjusting screw 23 is mounted at the top of the bimetal 24, and the distance between the adjusting screw 23 and the traction rod 7 affects the tripping time.

Wherein, be equipped with rotation portion 18 and inclined plane portion 25 on the traction lever 7, traction lever 7 rotates through rotation portion 18 and installs on support frame 1, the bottom of push rod 13 is equipped with the spacing portion 22 that cooperatees with inclined plane portion 25, inclined plane portion 25 stops push rod 13 motion through spacing portion 22, when traction lever 7 rotates the back, inclined plane portion 25 rotates into the horizontality, inclined plane portion 25 is not stopping spacing portion 22, push rod 13 just can take place the motion, push rod 13 promotes operating device and realizes the tripping.

Wherein, be equipped with bolt 6 between base plate 5, support 3, yoke 4, backup pad 26, thermal element 2 and the support frame 1, bolt 6 is used for carrying out the connection between base plate 5, support 3, yoke 4, backup pad 26, thermal element 2 and the support frame 1 and fixes.

Specifically, when magnetic adjustment is performed, the magnetic adjustment knob 11 is rotated to enable the magnetic adjustment knob 81 to rotate, the magnetic adjustment knob 81 enables the inclined table 82 to rotate, the inclined table 82 jacks up one end of the transmission plate 83, the transmission plate 83 rotates around the pin shaft 20, the transmission plate 83 enables the armature 19 to move through the connecting rod 85, and then the distance between the armature 19 and the magnetic yoke 4 is adjusted, magnetic adjustment can be achieved, and when the transmission plate 83 rotates, the transmission plate 83 enables other transmission plates 83 to synchronously rotate through the cross rod 84, synchronous adjustment of the distance between the other armature 19 and the magnetic yoke 4 is achieved, when a circuit is short-circuited, the magnetic yoke 4 generates magnetic force to attract the armature 19 to move downwards, the armature 19 enables the traction rod 7 to rotate around the rotary part 18 through the pull rod 17 and the nut 16, the traction rod 7 rotates around the rotary part 18 to be in a horizontal state, the inclined surface part 25 is not in a blocking limit part 22, the push rod 13 can move, the push rod 13 pushes the operating mechanism to release, when the thermal adjustment knob 12 is rotated, the thermal adjustment knob 91 enables the eccentric rod 92 to rotate, the eccentric rod 92 rotates, the eccentric rod 93 moves through the driving rod 93, the traction rod 7 moves around the rotary part 94, the inclined part 23 rotates around the rotary part 23, the inclined part 23 rotates around the limit part 23, and the overload adjusting screw is prevented from moving, and the overload state is achieved when the push rod is released, and the overload state is adjusted, and the overload state is achieved.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermomagnetic adjustable system, includes support frame (1), movable mounting has traction lever (7) and push rod (13) on support frame (1), the bottom fixedly connected with of support frame (1) one side a plurality of hot component (2), one side that support frame (1) was kept away from to hot component (2) is equipped with backup pad (26), support (3) and base plate (5), the internally mounted of support (3) has yoke (4), the top of yoke (4) is equipped with armature (19), its characterized in that: one side fixedly connected with fixed plate (14) of traction lever (7), the inside of fixed plate (14) is equipped with spout (15), the inside of spout (15) is equipped with pull rod (17), the one end of pull rod (17) with armature (19) articulates, the one end threaded connection that armature (19) was kept away from to pull rod (17) has nut (16), the top fixedly connected with two mounting (10) of support frame (1) one side, one of them be equipped with thermal regulation mechanism (9) on mounting (10), one side of support frame (1) is equipped with magnetic regulation mechanism (8) that are used for adjusting the distance between armature (19) and yoke (4);

the utility model provides a magnetic control mechanism (8) is including magnetic control bull stick (81), sloping (82), drive plate (83), horizontal pole (84) and connecting rod (85), magnetic control bull stick (81) activity is pegged graft the top of backup pad (26), magnetic control bull stick (81) with one of them mounting (10) rotate and are connected, sloping (82) set up in the outside of magnetic control bull stick (81), just sloping (82) can rotate along with magnetic control bull stick (81), the top of sloping (82) is equipped with the heliciform inclined plane, drive plate (83) are articulated on base plate (5) through round pin axle (20), horizontal pole (84) set up in drive plate (83) one side, horizontal pole (84) are articulated with drive plate (83), connecting rod (85) are installed on drive plate (83), the bottom of connecting rod (85) is connected with armature (19).

2. A thermomagnetically adjustable system according to claim 1, wherein: the utility model provides a thermal regulation mechanism (9) is including thermal regulation bull stick (91), eccentric rod (92), actuating lever (93) and oblique boss (94), thermal regulation bull stick (91) rotate and install on mounting (10), eccentric rod (92) fixed connection is in the bottom of thermal regulation bull stick (91), actuating lever (93) fixed connection is in one side of traction lever (7), just the quantity of actuating lever (93) is two, oblique boss (94) set up one side of traction lever (7).

3. A thermomagnetically adjustable system according to claim 2, wherein: the top of the heat adjusting rotating rod (91) is provided with a heat adjusting knob (12), and the top of the magnetic adjusting rotating rod (81) is provided with a magnetic adjusting knob (11).

4. A thermomagnetically adjustable system according to claim 1, wherein: the width of the sliding groove (15) is larger than the diameter of the pull rod (17), the diameter of the nut (16) is larger than the width of the sliding groove (15), and a tension spring (21) is arranged on the outer side of the armature (19).

5. A thermomagnetically adjustable system according to claim 1, wherein: the top of yoke (4) is equipped with bimetallic strip (24), adjusting screw (23) are installed at the top of bimetallic strip (24).

6. A thermomagnetically adjustable system according to claim 1, wherein: the traction rod (7) is provided with a rotating part (18) and an inclined surface part (25), and the bottom of the push rod (13) is provided with a limiting part (22) matched with the inclined surface part (25).

7. A thermomagnetically adjustable system according to claim 1, wherein: bolts (6) are arranged among the base plate (5), the bracket (3), the magnetic yoke (4), the supporting plate (26), the thermal element (2) and the supporting frame (1).