CN219040902U

CN219040902U - Overcurrent protector for inverter power supply

Info

Publication number: CN219040902U
Application number: CN202223555521.2U
Authority: CN
Inventors: 杨雷
Original assignee: Shandong Boshun Power Co ltd
Current assignee: Shandong Boshun Power Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-16
Anticipated expiration: 2032-12-30

Abstract

The utility model provides an inverter power supply overcurrent protector which comprises a main body, wherein the rear sides of the upper end and the lower end of the main body are respectively provided with a shell, the middle position of the outer end of the shell is inwards sunken to form a jack, the jack extends to the outer wall of the inner part of the shell, the inner part of the shell is provided with a straight cylinder towards the inner wall, the upper end and the lower end of the main body are respectively provided with a conductive column, the outer ends of the conductive columns penetrate through the shell and penetrate through the straight cylinder, the outer ends of the straight cylinder are equidistantly provided with a plurality of elastic sheets, the elastic sheets are in a conical structure with the inner narrow and the outer wide arrangement, the outer ends of the straight cylinder are in sliding connection with an insulating cylinder, the left end of the insulating cylinder is provided with a rack which is vertically arranged, the left side of the inner part of the shell is rotationally connected with a rotating shaft which is longitudinally arranged, and the outer end of the rotating shaft is provided with a ring gear which is meshed with the left end of the rack.

Description

Overcurrent protector for inverter power supply

Technical Field

The utility model relates to an inverter power supply overcurrent protector, and belongs to the technical field of electric appliances.

Background

The inverter power supply has the function of converting alternating voltage of a power grid into stable direct voltage to be output, the core part of the inverter power supply is an inverter, the inverter power supply is generally electrically connected with a load before being used for realizing power supply operation, in order to prevent the inverter power supply from being damaged under the condition of overcurrent of a power supply circuit, a protector is generally arranged on the power supply circuit in the inverter power supply, the protector is utilized for realizing protection operation, the inverter power supply overcurrent protector in the prior art is generally composed of a shell, a fuse arranged in the shell, two shells arranged outside the shell, a conducting strip arranged in the shell and electrically connected with the fuse and a fastening bolt in threaded connection on the shell, when being arranged, a wire core of a wire on the power supply circuit can be inserted into the shell, the wire core is positioned between the conducting strip and the fastening bolt, then the fastening bolt is rotated, the fastening bolt is further moved into the shell, the wire core is extruded out of the conducting strip, the fuse and the power supply circuit are connected with the power supply circuit, but in the installation process, the threaded connection position between the shell and the fastening bolt is easy to occur, the probability that the wire core is easy to be connected with the wire core is easy to occur, and the wire is easy to be in loose contact with the wire core, and the wire is easy to be connected with the wire core when the wire is in the shell, and the wire is easy to be connected with the wire.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an inverter power supply overcurrent protector so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an inverter overcurrent protector, includes the main part, both ends rear side all installs the shell about the main part, the inside sunken jack that forms of outer end intermediate position and jack extend to the inside outer wall of shell, the inside vertical straight section of thick bamboo of arranging of inner wall installation of shell, the electric pole is all installed at both ends about the main part, the electric pole passes the shell and runs through straight section of thick bamboo towards the outer end, the elastic sheet and the multiple elastic sheet that are the circular arrangement of a plurality of slope of installing of straight section of thick bamboo towards outer end equidistance are the toper structure that the internal narrow outside was arranged, the elastic sheet sets up in the jack outside and the elastic sheet is located the electric pole outside, straight section of thick bamboo outer end sliding connection insulating cylinder, the rack of vertical arrangement is installed to insulating cylinder left end installation, the inside left side rotation of shell is connected the pivot of vertical arrangement, ring gear and ring gear meshing are on the rack left end.

Further, a transversely arranged moving plate is arranged at the right end of the insulating cylinder, a longitudinally arranged guide piece is arranged on the right side inside the shell, and the guide piece penetrates through the moving plate and is in sliding connection with the guide piece.

Further, the rotating shaft extends out of the front end of the shell and is connected with the cylinder, and the front end surface of the cylinder is recessed backwards to form a cross groove.

Further, the main part rear end sets up the mounting panel, two shells are installed to the mounting panel front end, the mounting panel front end upside is sunken backward to form first U type through groove and first U type through groove runs through the mounting panel, first U type through groove sets up and extends to the mounting panel left end at shell upside and first U type through groove, the mounting panel front end downside is sunken backward to form second U type through groove and second U type through groove runs through the mounting panel, the second U type is led to the groove and is installed at the shell downside and second U type through groove extends to the mounting panel lower extreme.

Further, the main part includes the casing, the shell is all installed to both ends about the casing, the inside back wall of casing sets up vertical arrangement's fuse, the electric post is all connected to both ends about the fuse.

Further, the apron is installed through the screw to the casing front end, the inside clamp plate that sets up of casing and clamp plate are located the fuse front end, evenly install a plurality of connecting rods and connecting rod are located the casing between clamp plate and the apron.

The utility model has the beneficial effects that:

1. the ring gear is rotated by the rotary shaft, the rack and the insulating cylinder are further moved outwards, the insulating cylinder is moved into the outer end of the elastic sheet from the outer end of the straight cylinder, the elastic sheets are deformed inwards under the action of the insulating cylinder, the wire core of the wire is clamped to the outer end of the conductive column by the elastic sheets, the wire is stably connected with the conductive column, the safety is good, and the purpose of convenient disassembly and assembly between the wire and the conductive column is achieved.

2. Insert the clamp plate in the casing to make the apron laminate to the casing front end on, reuse screw makes to fasten between apron and the casing, clamp plate and fuse laminating each other this moment realize carrying out the centre gripping to the fuse, make fuse installation stability good.

3. The two bolts penetrate through the first U-shaped through groove and the second U-shaped through groove respectively and are in threaded connection with corresponding holes on the carrier, fastening installation of the mounting plate is achieved, when the mounting plate is detached, the two bolts can be loosened, the mounting plate rotates around the bolts located on the lower side, accordingly the bolts located on the upper side are separated from the first U-shaped through groove, the mounting plate is pulled outwards, the bolts located on the lower side are separated from the second U-shaped through groove, the purpose of convenient disassembly of the mounting plate is achieved, complete disassembly of the bolts is not needed, and the falling probability of the bolts is effectively reduced.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an inverter over-current protector according to the present utility model;

FIG. 2 is a cross-sectional view of a housing of an inverter over-current protector according to the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an assembly view of a straight tube and an elastic piece in an inverter overcurrent protector according to the utility model;

FIG. 5 is an assembly view of a rack and an insulating cylinder in an inverter overcurrent protector according to the utility model;

FIG. 6 is a schematic diagram of a main body of an inverter over-current protector according to the present utility model;

fig. 7 is a schematic diagram of a mounting plate in an inverter over-current protector according to the present utility model.

In the figure: 1-main body, 2-shell, 3-jack, 4-pivot, 5-ring gear, 6-rack, 7-insulating cylinder, 8-straight section of thick bamboo, 9-conductive post, 11-first U type through groove, 12-mounting panel, 13-second U type through groove, 21-cylinder, 71-movable plate, 72-round bar, 81-elastic piece, 101-casing, 102-fuse, 103-clamp plate, 104-apron, 105-connecting rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 7, the present utility model provides a technical solution: the utility model provides an inverter overcurrent protector, including casing 101, set up the fuse 102 that is vertical arrangement on the inside back wall of casing 101 that is rectangular structure, utilize casing 101 to provide the installation carrier for parts such as fuse 102, install two conductive post 9 that extend the casing 101 outside respectively on the upper and lower both ends of fuse 102, make fuse 102 and external circuit be connected with conductive post 9, and install the apron 104 that is rectangular structure on the casing 101 front end through the screw, again set up the clamp plate 103 that is rectangular structure that is located the front end of fuse 102 in casing 101, and evenly install a plurality of connecting rods 105 that are located the casing 101 on clamp plate 103 and apron 104, a plurality of connecting rods 105 cooperation are used, make apron 104 and clamp plate 103 be connected, in the equipment, install fuse 102 in casing 101, and make two conductive post 9 and fuse 102 electricity be connected, then install clamp plate 103 in casing 101, and make apron 104 laminate to the casing 101 front end, then make between 104 and the casing 101 through the screw fasten, clamp plate 103 and fuse 102 are laminated mutually, realize that fuse 102 is good in the stability when assembling.

As shown in fig. 1 and 6, the mounting plate 12 having a rectangular structure is provided to the rear end of the housing 101, a first U-shaped through groove penetrating the mounting plate 12 and located at the upper side of the housing 2 is formed to be recessed rearward at the upper side of the front end of the mounting plate 12, and the opening of the first U-shaped through groove extends to the left end of the mounting plate 12, a second U-shaped through groove penetrating the mounting plate 12 and located at the lower side of the housing 2 is formed to be recessed rearward at the lower side of the front end of the mounting plate 12, and the opening of the second U-shaped through groove extends to the lower end of the mounting plate 12.

When the mounting plate 12 is mounted, the mounting plate 12 can be attached to the carrier, at the moment, the first U-shaped through groove and the second U-shaped through groove are respectively aligned with two holes in the carrier, then the two bolts respectively penetrate through the first U-shaped through groove and the second U-shaped through groove and are in threaded connection with the corresponding holes, the fastening mounting of the mounting plate 12 is achieved, when the mounting plate is dismounted, the two bolts can be loosened, then the mounting plate 12 rotates around the bolts positioned at the lower side, so that the bolts positioned at the upper side are separated from the first U-shaped through groove, the mounting plate 12 is pulled outwards, the bolts positioned at the lower side are separated from the second U-shaped through groove, the purpose of convenient dismounting of the mounting plate 12 is achieved, the bolts are not required to be completely dismounted, and the falling probability of the bolts is effectively reduced.

As shown in fig. 1, 3 and 5, two rectangular shells 2 at the front end of the mounting plate 12 are respectively mounted on the upper end and the lower end of the shell 101, mounting spaces are provided for parts such as a straight tube 8 and the like through the shells 2, insertion holes 3 extending to the inner outward wall of the shells 2 are formed by inwards recessing at the middle positions of the outer ends of the shells 2, the installation of wires is realized through the insertion holes 3, then the vertically arranged straight tube 8 is mounted on the inner inward wall of the shells 2, one end of each conductive column 9, which is away from the fuse 102, passes through the shells 2 and penetrates through the straight tube 8, the wire core of a wire led out from an inverter can penetrate through the insertion holes 3 on the shell 2 on one side and extend into the corresponding straight tube 8, then the wire core of the wire is connected with the conductive column 9, and the wire core of the wire led out from the load penetrates through the insertion holes 3 on the shell 2 on the other side and extends into the corresponding straight tube 8, so that the wire core of the wire is connected with the conductive column 9, and the fuse 102 is mounted on a circuit between the inverter and the load is realized, and when overcurrent conditions occur, the fuse 102 is fused, so that the circuit is protected.

As shown in fig. 1, 2, 3, 4 and 5, a plurality of obliquely arranged elastic pieces 81 in a circular arrangement in a tapered structure with a narrow inside and a wide outside are equidistantly mounted on the outward end of the straight tube 8, at this time, a plurality of elastic pieces 81 located outside the conductive column 9 are located outside the insertion hole 3, the elastic pieces 81 sandwich the wire, the insulating tube 7 is slidably connected to the outer end of the straight tube 8, and the vertically arranged rack 6 is mounted on the left end of the insulating tube 7, while the left end of the rack 6 engages the ring gear 5, and the ring gear 5 is mounted on the outer end of the rotating shaft 4 rotatably connected to the left inside of the housing 2 and longitudinally arranged, the cylinder 21 is connected with the rotating shaft 4 extending out of the front end of the housing 2, and a cross groove is formed by recessing the front end of the cylinder 21 backward, the cylinder 21 is used in cooperation with the cross groove, the rotating shaft 4 is rotated, and then a laterally arranged moving plate 71 in a rectangular structure is mounted on the right end of the insulating tube 7, at this time, a longitudinally arranged guide 71 located on the right side inside of the housing 2 slidably connected with the moving plate is penetrated by the moving plate 71, and the guide 71 is slidably connected with the moving plate 7, and the guide 72 is movable by the guide 72 is used, and the guide 72 is stably movable.

Specifically, firstly, the wire core of the wire penetrates through the conical structure formed by the jack 3 and the plurality of elastic sheets 81 and extends into the straight barrel 8, then the rotating shaft 4 is rotated, and then the ring gear 5 is rotated, the ring gear 5 is meshed with the rack 6, so that the ring gear 5 rotates to enable the rack 6 to move outwards, and then the insulating barrel 7 moves outwards, so that the insulating barrel 7 moves into the outer end of the elastic sheets 81 from the outer end of the straight barrel 8, under the action of the insulating barrel 7, the plurality of elastic sheets 81 deform inwards, the wire core of the wire is clamped to the outer end of the conductive column 9 by the plurality of elastic sheets 81, the wire is stably connected with the conductive column 9, the safety is good, and the purpose of convenient disassembly and assembly between the wire and the conductive column 9 is achieved.

The present disclosure describes embodiments in terms of which each embodiment does not comprise a separate embodiment, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims

1. An inverter power supply overcurrent protector is characterized in that: including main part (1), both ends rear side all installs shell (2) about main part (1), inside sunken jack (3) and jack (3) of forming of outer end intermediate position are on shell (2) inside towards the outer wall, inside vertical straight section of thick bamboo (8) of arranging towards the inner wall installation of shell (2), electrically conductive post (9) are all installed at both ends about main part (1), electrically conductive post (9) pass shell (2) and run through straight section of thick bamboo (8) towards the outer end, elastic piece (81) and a plurality of elastic piece (81) that are the slope that the circular arrangement was installed towards outer end equidistance are the toper structure that the internal narrow outside was arranged, elastic piece (81) set up in the jack (3) outside and elastic piece (81) are located electrically conductive post (9) outside, vertical rack (6) of arranging are installed to insulating barrel (7) left end installation, vertical left side of shell (2) rotates and connects rack (4) and installs in annular gear (5) on the end (5).

2. The inverter overcurrent protector of claim 1, wherein: the right end of the insulating cylinder (7) is provided with a transversely arranged moving plate (71), the right side inside the shell (2) is provided with a longitudinally arranged guide piece, the guide piece penetrates through the moving plate (71), and the moving plate (71) is in sliding connection with the guide piece.

3. The inverter overcurrent protector of claim 1, wherein: the rotating shaft (4) extends out of the front end of the shell (2) and is connected with the cylinder (21), and the front end surface of the cylinder (21) is recessed backwards to form a cross groove.

4. The inverter overcurrent protector of claim 1, wherein: the utility model discloses a mounting panel, including main part (1), mounting panel (12) front end upside backward is sunken to form first U type through groove and first U type through groove runs through mounting panel (12), first U type through groove sets up and leads to the groove to extend to mounting panel (12) left end in shell (2) upside and first U type, mounting panel (12) front end downside backward is sunken to form second U type through groove and second U type through groove runs through mounting panel (12), second U type through groove is installed in shell (2) downside and second U type through groove extends to mounting panel (12) lower extreme.

5. The inverter overcurrent protector of claim 1, wherein: the main body (1) comprises a shell (101), wherein the upper end and the lower end of the shell (101) are respectively provided with a shell (2), the rear wall inside the shell (101) is provided with a fuse (102) which is vertically arranged, and the upper end and the lower end of the fuse (102) are respectively electrically connected with a conductive column (9).

6. The inverter overcurrent protector of claim 5, wherein: the front end of the shell (101) is provided with a cover plate (104) through screws, a pressing plate (103) is arranged inside the shell (101) and is positioned at the front end of the fuse (102), a plurality of connecting rods (105) are uniformly arranged between the pressing plate (103) and the cover plate (104), and the connecting rods (105) are positioned in the shell (101).