CN213213086U - Air conditioner overcurrent protector based on bimetal contact piece - Google Patents
Air conditioner overcurrent protector based on bimetal contact piece Download PDFInfo
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- CN213213086U CN213213086U CN202022429137.2U CN202022429137U CN213213086U CN 213213086 U CN213213086 U CN 213213086U CN 202022429137 U CN202022429137 U CN 202022429137U CN 213213086 U CN213213086 U CN 213213086U
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Abstract
The utility model relates to an overcurrent protector technical field specifically is an air conditioner overcurrent protector based on bimetal contact, which comprises an outer shell, seted up the cavity in the shell, be equipped with four connecting blocks on the inner wall of cavity rear side, it has the pivot even to be located between every two connecting blocks on the same horizontal plane, it has the connecting plate to rotate in the pivot even, cavity right rear side inner wall is equipped with the dead lever, the dead lever left side is equipped with the thermal expansion piece, thermal expansion piece top and top are laminated mutually with two connecting plates respectively, connecting plate inboard front end edge all is equipped with the metal contact, two metal contact are laminated each other, all be equipped with compression spring on cavity top and the bottom inner wall, compression spring one end is laminated mutually with. This air conditioner overcurrent protector based on bimetal contact, when the circuit short circuit, the thermal expansion piece receives the thermal energy, overcomes compression spring's elasticity and forces to extrude the separation with the connecting plate to vertical direction for two metal contacts break away from, and open circuit improves the stability of protector.
Description
Technical Field
The utility model relates to an overcurrent protector technical field specifically is an air conditioner overcurrent protector based on bimetal contact.
Background
The air conditioner is a refrigeration plant commonly used, be used for adjusting indoor temperature and humidity according to the user demand, it likes deeply by the user, generally all install air conditioner overcurrent protector in the air conditioner, prevent that the electric current too big leads to the electrical equipment short circuit to damage, cause the emergence of unexpected incident even, current air conditioner overcurrent protector is single contact structure mostly, magnetic action when overflowing through the coil draws away the outage with iron core and contact, stability can be relatively poor, in view of this, we provide an air conditioner overcurrent protector based on bimetal contact.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioner overcurrent protector based on bimetal contact to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an air conditioner overcurrent protector based on a bimetallic contact piece comprises a shell, wherein a cavity is formed in the shell, mounting plates are arranged at the edge of the rear end of the top and the bottom of the shell, wiring holes are formed in the front side of the shell close to the middle position of the top and the bottom of the shell, fixing holes communicated with the wiring holes are formed in the top and the bottom of the cavity close to the edge of the front end of the cavity, connecting columns are fixedly connected in the fixing holes, two ends of each connecting column extend into the cavity and the wiring holes respectively, connecting holes communicated with the wiring holes are formed in the top and the top of the shell close to the edge of the front end of the shell, locking screws are connected in the connecting holes in a threaded mode, four symmetrical connecting blocks are arranged on the inner wall of the rear side of the cavity, a rotating shaft is connected between every two connecting blocks on the same horizontal plane, a connecting plate, the connecting plate laminates with the spacing board, cavity right back side inner wall just is located two connect between the connecting plate and be equipped with the dead lever, the dead lever left side is equipped with the thermal expansion piece, thermal expansion piece top and top respectively with two the connecting plate laminates mutually, is located the top connecting plate bottom front end edge all is equipped with metal contact, two with the connecting plate top front end edge that is located the below metal contact laminates each other, and two the metal contact all through connecting wire respectively with two spliced pole electric connection, all be equipped with the gag lever post along vertical direction on cavity top and the bottom inner wall, the cover has compression spring on the gag lever post lateral wall, compression spring one side end is fixed on the shell inner wall, and the terminal laminating mutually with the connecting plate of opposite side.
Preferably, the mounting panel is the integrated into one piece structure with the shell, just the mounting panel front side is opened and is equipped with the even and mounting hole that runs through of a plurality of distributions.
Preferably, the connecting block is fixed to the housing by welding.
Preferably, the limiting plate is fixed on the shell in a welded mode.
Preferably, the fixing rod is fixed on the shell in a welding mode, and the thermal expansion block is tightly adhered to the fixing rod.
Preferably, the metal contact piece is tightly adhered to the connecting plate.
Preferably, the limiting rod is fixed on the shell in a welded mode.
Compared with the prior art, the beneficial effects of the utility model are that:
this air conditioner overcurrent protector based on bimetal contact, be equipped with two rotatable connecting plates in that the casing is inside, be equipped with the metal contact that is equipped with two mutual contacts on the connecting plate, the stability of two metal contact contacts is guaranteed in the extrusion of connecting plate through compression spring simultaneously, be equipped with the thermal expansion piece between two connecting plates, when the circuit short circuit, the thermal expansion piece receives the thermal energy, overcome compression spring's elasticity and force and extrude the separation with the connecting plate to vertical direction, make two metal contacts break away from, open circuit, improve the stability of protector.
Drawings
FIG. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is a sectional view of the structure of the middle housing of the present invention.
In the figure:
1. connecting columns;
2. a housing; 20. a cavity; 21. mounting a plate; 210. mounting holes; 22. a wiring hole; 23. a fixing hole; 24. connecting holes;
3. locking screws;
4. connecting blocks;
5. a rotating shaft;
6. a connecting plate;
7. a limiting plate;
8. fixing the rod;
9. a thermal expansion block;
10. a metal contact piece;
11. connecting a lead;
12. a limiting rod;
13. compressing the spring.
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 work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
an air conditioner overcurrent protector based on a bimetallic contact comprises a shell 2, a cavity 20 is arranged in the shell 2, wiring holes 22 are respectively formed in the front side of the shell 2 close to the middle positions of the top and the bottom of the shell, fixing holes 23 communicated with the wiring holes 22 are formed in the top and the bottom of the cavity 20 close to the edge of the front end of the cavity, a connecting column 1 is fixedly connected in the fixing holes 23, two ends of the connecting column 1 respectively extend into the cavity 20 and the wiring holes 22, connecting holes 24 communicated with the wiring holes 22 are respectively formed in the top and the top of the shell 2 close to the edge of the front end of the shell, locking screws 3 are connected in the connecting holes 24 in a threaded manner, four symmetrical connecting blocks 4 are arranged on the inner wall of the rear side of the cavity 20, a rotating shaft 5 is connected between every two connecting blocks 4 on the same horizontal plane, a connecting plate 6 is rotatably, connecting plate 6 and limiting plate 7 are laminated mutually, cavity 20 right rear side inner wall just is located and is connected between two connecting plates 6 and be equipped with dead lever 8, dead lever 8 left side is equipped with thermal expansion piece 9, thermal expansion piece 9 top and top are laminated with two connecting plates 6 respectively mutually, 6 bottom front end edges of connecting plate 6 that are located the top and the connecting plate 6 top front end edges that are located the below all are equipped with metal contact 10, two metal contact 10 are laminated each other, and two metal contact 10 all through connecting wire 11 respectively with two spliced pole 1 electric connection, all be equipped with gag lever post 12 along vertical direction on 20 tops of cavity and the bottom inner wall, the cover has compression spring 13 on the gag lever post 12 lateral wall, compression spring 13 one side end is fixed on shell 2 inner walls, the terminal laminating mutually with connecting plate 6 of opposite side.
In the embodiment, when the air conditioner is used, a wire to be connected is inserted from the wiring hole 22 and connected with the connecting column 1, the locking screw 3 is screwed to fix the wire, the connecting plate 6 is pressed towards the middle by the elastic force of the compression spring 13, so that the two metal contact pieces 10 are contacted and attached, a circuit is communicated, and the normal work of the air conditioner is ensured; when the circuit is short-circuited, a large amount of heat is generated by the circuit, the thermal expansion block 9 expands when heated, the upper end and the lower end stretch, the elastic potential force of the compression spring 13 is overcome, the connecting plate 6 rotates outwards around the axis of the rotating shaft 5, the two metal contact pieces 10 are separated, the circuit is disconnected, the circuit is prevented from being damaged due to overcurrent for a long time, and the stability of the protector is improved.
In addition, the rear end edge department of 2 tops of shell and bottom is equipped with mounting panel 21, and mounting panel 21 is the integrated into one piece structure with shell 2, and the mounting panel 21 front side is opened and is equipped with the even and mounting hole 210 that run through of a plurality of distributions, is convenient for install mounting panel 21 fixedly through mounting hole 210, and then fixes whole overcurrent protector installation on the air conditioner.
Further, the thermal expansion block 9 is tightly bonded on the fixing rod 8, and the metal contact piece 10 is tightly bonded on the connecting plate 6, so that the production is facilitated.
Specifically, 4 butt weldings of connecting block are fixed on shell 2, and 7 butt weldings of limiting plate are fixed on shell 2, and 8 butt weldings of dead lever are fixed on shell 2, and 12 butt weldings of limiting rod are fixed on shell 2, and butt fusion fixed knot constructs stably, and difficult fracture breaks away from long service life.
When the air conditioner overcurrent protector based on the bimetallic contact plate is used, a worker firstly checks the integrity and whether all the parts of the overcurrent protector are firmly connected; then the mounting plate 21 is fixedly mounted through the mounting hole 210, and the whole over-current protector is fixedly mounted on the air conditioner; when the air conditioner is used, a wire to be connected is inserted into the wiring hole 22 and connected with the connecting column 1, the locking screw 3 is screwed to fix the wire on the connecting column 1, the connecting plate 6 is extruded towards the middle by the elastic force of the compression spring 13, so that the two metal contact pieces 10 are in contact fit, a circuit is communicated, and the normal work of the air conditioner is ensured; when the circuit is short-circuited, a large amount of heat is generated by the circuit, the thermal expansion block 9 expands when heated and extends to the upper end and the lower end, the elastic potential force of the compression spring 13 is overcome to enable the connecting plate 6 to rotate outwards around the axis of the rotating shaft 5, so that the two metal contact pieces 10 are separated, the circuit is disconnected, and the circuit is prevented from being damaged by overcurrent for a long time.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an air conditioner overcurrent protector based on bimetal contact which characterized in that: including shell (2), set up cavity (20) in shell (2), the rear end edge department of shell (2) top and bottom is equipped with mounting panel (21), shell (2) front side is close to its top and bottom intermediate position and has all seted up wiring hole (22), cavity (20) top and bottom are close to its front end edge department and set up fixed orifices (23) that are linked together with wiring hole (22), it is fixed with spliced pole (1) to connect in fixed orifices (23), spliced pole (1) both ends extend to respectively in cavity (20) and wiring hole (22), connecting hole (24) that are linked together with wiring hole (22) are all seted up near its front end edge to shell (2) top and top, threaded connection has locking screw (3) in connecting hole (24), be equipped with four symmetrical connecting block (4) on cavity (20) rear side inner wall, every two are located on same horizontal plane be connected with pivot (5) between connecting block (4), it is connected with connecting plate (6) to rotate in pivot (5), cavity (20) rear side inner wall just is located and is equipped with limiting plate (7) between connecting block (4), connecting plate (6) laminate mutually with limiting plate (7), cavity (20) right rear side inner wall just is located two connect between connecting plate (6) and be equipped with dead lever (8), dead lever (8) left side is equipped with thermal expansion piece (9), thermal expansion piece (9) top and top are respectively with two connecting plate (6) laminate mutually, are located the top connecting plate (6) bottom front end edge all is equipped with metal contact (10) with connecting plate (6) top front end edge that is located the below, two metal contact (10) laminate mutually, and two metal contact (10) all through connecting wire (11) respectively with two connecting post (10) 1) Electric connection, all be equipped with on cavity (20) top and the bottom inner wall along vertical direction gag lever post (12), the cover has compression spring (13) on gag lever post (12) lateral wall, compression spring (13) one side end is fixed on shell (2) inner wall, and the opposite side end is laminated with connecting plate (6) mutually.
2. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: mounting panel (21) are the integrated into one piece structure with shell (2), just mounting panel (21) front side is opened and is equipped with even and the mounting hole (210) that run through of a plurality of distributions.
3. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: the connecting block (4) is fixed on the shell (2) in a welding mode.
4. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: and the limiting plate (7) is fixedly welded on the shell (2).
5. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: the fixing rod (8) is fixed on the shell (2) in a welding mode, and the thermal expansion block (9) is tightly bonded on the fixing rod (8).
6. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: the metal contact piece (10) is tightly adhered to the connecting plate (6).
7. The air conditioner over-current protector based on the bimetallic contact piece of claim 1, characterized in that: the limiting rod (12) is fixed on the shell (2) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429137.2U CN213213086U (en) | 2020-10-28 | 2020-10-28 | Air conditioner overcurrent protector based on bimetal contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429137.2U CN213213086U (en) | 2020-10-28 | 2020-10-28 | Air conditioner overcurrent protector based on bimetal contact piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213213086U true CN213213086U (en) | 2021-05-14 |
Family
ID=75827464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022429137.2U Active CN213213086U (en) | 2020-10-28 | 2020-10-28 | Air conditioner overcurrent protector based on bimetal contact piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213213086U (en) |
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2020
- 2020-10-28 CN CN202022429137.2U patent/CN213213086U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401120 7-20, building 3, No.62, east section of Taishan Avenue, new Northern District, Chongqing Patentee after: Chongqing zhuoshang electromechanical equipment Engineering Co.,Ltd. Address before: 401120 7-20, building 3, No.62, east section of Taishan Avenue, new Northern District, Chongqing Patentee before: Chongqing zhuoshang Electromechanical Equipment Co.,Ltd. |