CN220585983U - Electric fireproof current-limiting protector - Google Patents
Electric fireproof current-limiting protector Download PDFInfo
- Publication number
- CN220585983U CN220585983U CN202322270455.2U CN202322270455U CN220585983U CN 220585983 U CN220585983 U CN 220585983U CN 202322270455 U CN202322270455 U CN 202322270455U CN 220585983 U CN220585983 U CN 220585983U
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- limiting
- main body
- shell
- body shell
- block
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- 230000001012 protector Effects 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 40
- 230000002633 protecting effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an electric fireproof current-limiting type protector, which relates to the field of current-limiting type protectors, and comprises a main body shell, wherein a protecting shell is arranged on the outer wall of the main body shell, and limiting mechanisms distributed on the main body shell and the protecting shell are used for quick installation connection between the main body shell and the protecting shell; the limiting mechanism comprises a limiting unit and a clamping unit; the limiting unit is used for limiting the main body shell and the protective shell, and is convenient for rapidly installing and detaching the main body shell and the protective shell. According to the utility model, the limiting mechanism is arranged, so that the protective shell and the main body shell are quickly assembled and disassembled, the maintenance and the repair of the electric components in the main body shell are facilitated, the filter screen can be synchronously taken out under the action of the elastic clamping block while the protective shell is taken out, the filter screen is cleaned, the influence on the heat dissipation efficiency of the device is avoided, and the working efficiency is further improved.
Description
Technical Field
The utility model relates to the field of current-limiting protectors, in particular to an electric fireproof current-limiting protector.
Background
Among the fires caused by electrical line faults, the fires caused by circuit short-circuits and overload current faults are particularly prominent, so that the electrical fireproof current-limiting protector is required to be used for detecting residual current in the electrical line, overcurrent and short-circuit protection and smoke and flame alarm protection.
An electrical fire protection current limiting protector (ELR) consists of three parts: the controller, measurer and output device, the working principle of the ELR is that when the output current of the power supply exceeds a certain running value, the ELR immediately cuts off the output, so that the possibility of fire possibly occurring is restrained. ELR is typically located at the source of the electrical system, such as a power supply, transformer, distribution box, etc., and when the power supply output current exceeds the break-through value set by the current limiter, the ELR will immediately disconnect the output, thereby inhibiting the possibility of a fire.
The existing protector plays an important role in protecting a circuit from short circuit overload, for example, when the circuit is in a short circuit condition, an automatic tripping operation of a circuit breaker serving as a mechanical switch is used for disconnecting a power supply circuit (namely a power supply system) from an electricity utilization circuit, the tripping operation is generally caused by aging, voltage overload and electricity leakage of the circuit, and when the circuit is in no problem and the gate is still tripped after being successfully reset, the protector needs to be opened to replace copper wires in the circuit, so that the use state of the protector is ensured, and in order to further improve the working efficiency, the utility model provides the electric fireproof current-limiting protector.
Disclosure of Invention
The utility model aims at: in order to solve the problems in the prior art, an electrical fireproof current-limiting protector is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric fire prevention current limiting type protector, includes the main part shell, the protection shell is installed to the outer wall of main part shell, distributes the stop gear on main part shell, protection shell, stop gear is used for the quick installation connection between main part shell, the protection shell;
the limiting mechanism comprises a limiting unit and a clamping unit;
the limiting unit is used for limiting the main body shell and the protective shell, so that the main body shell and the protective shell can be quickly assembled and disassembled;
the clamping unit is used for taking out the dustproof part to clean the main body shell and the protective shell in the process of separating the main body shell and the protective shell.
As still further aspects of the utility model: the clamping unit comprises an elastic clamping block and a filter screen;
the elastic clamping block is fixed on the inner side of the protective shell and is used for lifting the filter screen by clamping force, so that the filter screen is connected with the protective shell through the elastic clamping block;
the filter screen joint is between elasticity grip block, protecting crust, the filter screen is used for collecting the filtration to the dust that the louvre produced.
As still further aspects of the utility model: the limiting unit comprises a pressing block, a limiting block, an annular rod, a positioning rod and a spring;
the pressing block is vertically and slidably arranged at the top end of the main body shell and is used for driving the limiting block to synchronously move;
the limiting blocks are annularly distributed in the main body shell and are used for driving the annular rod to move;
the annular rod is fixed on the outer wall of the limiting block and is used for being clamped into an internal limiting groove of the protective shell to complete limiting connection between the protective shell and the main body shell;
the positioning rod is fixed in the main body shell, penetrates through the inside of the limiting block and is used for guiding the vertical movement of the limiting block;
the both ends of spring joint respectively at main body shell inboard, stopper bottom outer wall, the spring is used for providing elasticity for the removal of limit block.
As still further aspects of the utility model: the inner wall shaping of stopper has the orbit assorted spout that supplies the vertical usefulness of locating lever, the outer wall of locating lever wholly is "T" style of calligraphy structure.
As still further aspects of the utility model: the number of the annular rods is two, and the two annular rods are vertically symmetrically distributed on the inner outer wall of the limiting block.
As still further aspects of the utility model: the inner side of the protective shell is provided with a limit groove matched with the outer wall of the annular rod, and the outer wall of the protective shell is matched with an inner side mounting groove of the main body shell.
As still further aspects of the utility model: a clamping groove for the filter screen to enter is formed between the elastic clamping block and the protective shell.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up stop gear to accomplish the quick installation dismantlement between protecting crust, the main part shell, be convenient for maintain the maintenance to the inside electrical components and parts of main part shell, and when taking out the protecting crust, can take out the filter screen in step under the effect of elasticity grip block, clear up the filter screen, avoid influencing the radiating efficiency of this device, further improved work efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a protective housing according to the present utility model;
fig. 3 is a schematic structural view of a limiting mechanism of the present utility model.
In the figure: 1. a main body housing; 2. a protective shell; 3. a limiting mechanism; 301. an elastic clamping block; 302. a filter screen; 303. pressing the blocks; 304. a limiting block; 305. an annular rod; 306. a positioning rod; 307. and (3) a spring.
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. 1-3, in an embodiment of the present utility model, an electrical fireproof current-limiting protector includes a main body housing 1, a protecting housing 2 is installed on an outer wall of the main body housing 1, and a limiting mechanism 3 is distributed on the main body housing 1 and the protecting housing 2, wherein the limiting mechanism 3 is used for quick installation connection between the main body housing 1 and the protecting housing 2;
the limiting mechanism 3 comprises a limiting unit and a clamping unit;
the limiting unit is used for limiting the main body shell 1 and the protective shell 2, so that the main body shell 1 and the protective shell 2 can be quickly assembled and disassembled;
the clamping unit is used for taking out the dustproof part to clean the main body shell 1 and the protective shell 2 in the process of separating the main body shell from the protective shell;
the clamping unit comprises an elastic clamping block 301 and a filter screen 302;
the elastic clamping block 301 is fixed on the inner side of the protective shell 2, and the elastic clamping block 301 is used for lifting the filter screen 302 by clamping force, so that the filter screen 302 is connected with the protective shell 2 through the elastic clamping block 301;
the filter screen 302 is clamped between the elastic clamping block 301 and the protective shell 2, and the filter screen 302 is used for collecting and filtering dust generated by the radiating holes;
the limiting unit comprises a pressing block 303, a limiting block 304, an annular rod 305, a positioning rod 306 and a spring 307;
the pressing block 303 is vertically and slidably arranged at the top end of the main body shell 1, and the pressing block 303 is used for driving the limiting block 304 to synchronously move;
the limiting blocks 304 are annularly distributed in the main body shell 1, and the limiting blocks 304 are used for driving the annular rods 305 to move;
the annular rod 305 is fixed on the outer wall of the limiting block 304, and the annular rod 305 is used for being clamped into an inner limiting groove of the protective shell 2 to complete limiting connection between the protective shell 2 and the main body shell 1;
the positioning rod 306 is fixed inside the main body shell 1, the positioning rod 306 penetrates into the limiting block 304, and the positioning rod 306 is used for guiding the vertical movement of the limiting block 304;
both ends of the spring 307 are respectively clamped on the inner side of the main body housing 1 and the outer wall of the bottom end of the limiting block 304, and the spring 307 is used for providing elasticity for the movement of the limiting block 304.
In this embodiment: when the components and parts inside the main body shell 1 need to be maintained, through giving the downward extrusion force of the pressing block 303, the pressing block 303 moves downwards under the action of external force, meanwhile, the limiting block 304 fixedly connected with the pressing block 303 is driven to move downwards, the limiting block 304 moves along the outer wall of the positioning rod 306, and extrusion force is given to the spring 307, then the annular rod 305 fixed on the inner outer wall of the limiting block 304 moves along with the movement of the limiting block 304, the annular rod 305 is separated from the limiting groove on the inner side of the protecting shell 2 in the moving process, the protecting shell 2 is not limited, after extrusion force of the pressing block 303 is not given, the limiting block 304 and the pressing block 303 are reset under the action of the elastic force of the spring 307, the protecting shell 2 can be taken out at the moment, the protecting shell 2 is separated from the main body shell 1, the purposes of quickly separating the main body shell 1 and the protecting shell 2 are achieved, and the working efficiency is further improved.
Referring to fig. 1-3, the inner wall of the limiting block 304 is formed with a chute for matching the vertical track of the positioning rod 306, the outer wall of the positioning rod 306 is in a T-shaped structure, two annular rods 305 are arranged, the two annular rods 305 are vertically symmetrically distributed on the inner side and outer wall of the limiting block 304, the inner side of the protecting shell 2 is formed with a limiting groove matched with the outer wall of the annular rod 305, the outer wall of the protecting shell 2 is matched with the inner side mounting groove of the main body shell 1, and a clamping groove for the filter screen 302 to enter is formed between the elastic clamping block 301 and the protecting shell 2.
In this embodiment: after the protective shell 2 and the main body shell 1 are separated through the structure, the protective shell 2 is synchronously taken out of the filter screen 302 positioned on one side of the radiating hole of the main body shell 1 under the action of the elastic clamping block 301 after the separation, the filter screen 302 is pulled out of the clamping gap formed by the elastic clamping block 301 and the main body shell 1 through the tensile force given to the filter screen 302, and the filter screen 302 and the protective shell 2 can be separated, so that the filter screen 302 can be cleaned and replaced conveniently, and the working efficiency is further improved.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an electric fire prevention current limiting type protector, includes main body shell (1), protecting crust (2) are installed to the outer wall of main body shell (1), and characterized in that distributes spacing mechanism (3) on main body shell (1), protecting crust (2), spacing mechanism (3) are used for main body shell (1), quick installation connection between protecting crust (2);
the limiting mechanism (3) comprises a limiting unit and a clamping unit;
the limiting unit is used for limiting the main body shell (1) and the protective shell (2) and facilitating rapid installation and disassembly of the main body shell (1) and the protective shell (2);
the clamping unit is used for taking out the dustproof part to clean the main body shell (1) and the protective shell (2) in the process of separating the main body shell from the protective shell.
2. An electrical fire protection current limiting protector according to claim 1, characterized in that the clamping unit comprises an elastic clamping block (301), a filter screen (302);
the elastic clamping block (301) is fixed on the inner side of the protective shell (2), and the elastic clamping block (301) is used for lifting the filter screen (302) by clamping force, so that the filter screen (302) is connected with the protective shell (2) through the elastic clamping block (301);
the filter screen (302) joint is between elasticity grip block (301), protecting crust (2), filter screen (302) are used for collecting the filtration to the dust that the louvre produced.
3. An electrical fire protection current limiting protector according to claim 1, characterized in that the limit unit comprises a press block (303), a limit block (304), an annular rod (305), a positioning rod (306), a spring (307);
the pressing block (303) is vertically and slidably arranged at the top end of the main body shell (1), and the pressing block (303) is used for driving the limiting block (304) to synchronously move;
the limiting blocks (304) are annularly distributed in the main body shell (1), and the limiting blocks (304) are used for driving the annular rod (305) to move;
the annular rod (305) is fixed on the outer wall of the limiting block (304), and the annular rod (305) is used for being clamped into an internal limiting groove of the protective shell (2) to complete limiting connection between the protective shell (2) and the main body shell (1);
the positioning rod (306) is fixed in the main body shell (1), the positioning rod (306) penetrates through the inside of the limiting block (304), and the positioning rod (306) is used for guiding the vertical movement of the limiting block (304);
the two ends of the spring (307) are respectively clamped at the inner side of the main body shell (1) and the outer wall of the bottom end of the limiting block (304), and the spring (307) is used for providing elasticity for the movement of the limiting block (304).
4. An electrical fire protection current limiting protector according to claim 3, wherein the inner wall of the limiting block (304) is formed with a chute with matched track for the vertical use of the positioning rod (306), and the outer wall of the positioning rod (306) is of a T-shaped structure as a whole.
5. An electrical fire protection current limiting protector according to claim 3, wherein the number of the annular rods (305) is two, and the two annular rods (305) are symmetrically distributed on the inner and outer walls of the limiting block (304) up and down.
6. An electrical fire protection current limiting protector according to claim 3, characterized in that the inner side of the protective housing (2) is formed with a limit groove matching with the outer wall of the annular rod (305), the outer wall of the protective housing (2) is matched with the inner side mounting groove of the main body housing (1).
7. An electrical fire protection current limiting protector according to claim 2, characterized in that a clamping groove for the filter screen (302) to enter is formed between the elastic clamping block (301) and the protective shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270455.2U CN220585983U (en) | 2023-08-23 | 2023-08-23 | Electric fireproof current-limiting protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322270455.2U CN220585983U (en) | 2023-08-23 | 2023-08-23 | Electric fireproof current-limiting protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585983U true CN220585983U (en) | 2024-03-12 |
Family
ID=90116178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322270455.2U Active CN220585983U (en) | 2023-08-23 | 2023-08-23 | Electric fireproof current-limiting protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585983U (en) |
-
2023
- 2023-08-23 CN CN202322270455.2U patent/CN220585983U/en active Active
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