CN220022096U

CN220022096U - Fuse handcart

Info

Publication number: CN220022096U
Application number: CN202321160668.3U
Authority: CN
Inventors: 匡文敏; 匡江华
Original assignee: Jiangxi Leierdunwei Electric Co ltd
Current assignee: Jiangxi Leierdunwei Electric Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-11-14
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a fuse handcart, and belongs to the technical field of fuses. Including the fixed plate, fixed plate front side sliding connection has the mounting panel, and the mounting panel front side is provided with the installation shell, and installation shell lateral wall sliding connection has the push rod, and push rod lateral wall rotation is connected with the push rod, and the inside sliding fit of push rod has the sliding column, and sliding column outer wall sliding fit has the arc wall, and the push rod lateral wall rotation is connected with the sliding block. According to the utility model, the push rod linked with the push rod is matched with the sliding block and the telescopic locking block, so that the quick installation and the disassembly of the fusing rod can be realized, the trouble of disassembling the bolt is eliminated after the fusing rod is fused, and the convenience is realized; the clamping block of the meshing bottom plate of the meshing strip, which is pushed by the push column, is arranged on the mounting plate matched base of the sliding connection and the fixing plate, so that the quick installation and disassembly of the fuse handcart are realized, the overhaul and maintenance of the fuse handcart are facilitated, and the labor is saved without disassembling bolts.

Description

Fuse handcart

Technical Field

The utility model relates to the technical field of fuses, in particular to a fuse handcart.

Background

The fuse is an electric appliance which fuses a melt by heat generated by the fuse when a current exceeds a predetermined value to open a circuit. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so that the circuit is disconnected; a current protector is made by applying the principle. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices.

The fuse handcart belongs to a very important protection switch in a power system, and plays a vital role in the interior of a fuse.

Existing fuse carts have the following disadvantages: the fusing strips of the handcart are mostly installed in a bolt fixing mode, and when the fusing strips need to be replaced, bolts are required to be detached, so that the labor consumption for replacing the fusing strips is increased, and convenience is not provided; the whole bolt that adopts of fuse handcart wholly is fixed for need dismantle the bolt when need dismantle the maintenance to the fuse inside, it is inconvenient to dismantle the operation more, wastes time and energy.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a fuse handcart, which solves the problems that the conventional fuse strip is inconvenient to replace and the conventional fuse handcart is inconvenient to detach in the background art.

Technical proposal

The utility model provides a fuse handcart, includes the fixed plate, fixed plate front side sliding connection has the mounting panel, the mounting panel front side is provided with the installation shell, installation shell lateral wall sliding connection has the push rod that presses, it is connected with the push rod to press the rotation of strip lateral wall, the inside sliding fit of push rod has the sliding column, sliding column outer wall sliding fit has the arc wall, the push rod lateral wall rotates and is connected with the sliding block, the sliding block top is provided with the cavity, cavity lateral wall sliding fit has the locking piece, the inside joint of cavity has the fuse strip, fixed plate bottom rigid coupling has the bottom plate, the mounting panel rear side rigid coupling has the lug, the bottom plate top rigid coupling has the joint piece, the recess has been seted up to the joint piece lateral wall, the mounting panel bottom rigid coupling has the base, base lateral wall sliding fit has the push rod, the inside sliding fit of push rod has the rotation connecting piece, the rotation of rotation connecting piece lateral wall is connected with the extension board, extension board lateral wall rigid coupling has the spring telescoping column, the flexible column of interlock post bottom rigid coupling has the lug.

Preferably, the front side wall of the mounting plate is fixedly connected with a contact arm, the front side wall of the contact arm is fixedly connected with a contact, and the front side wall of the fixing plate is provided with a chute matched with the protruding block.

Preferably, the side wall of the pressing column is fixedly connected with an edge, the front side wall of the fixing plate is provided with a telescopic strip, and the mounting shell is fixedly connected with the circumferential outer wall of the contact arm.

Preferably, the side wall of the locking block is provided with an insulating sheet, the arc-shaped groove is formed in the installation shell, and the edge is in sliding fit with the inside of the base.

Preferably, the base buckle is connected at the top of bottom plate, interlock strip sliding fit is in the lateral wall of joint piece, the installation shell lateral wall is provided with the plastic mesh.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the push rod linked with the push rod is matched with the sliding block and the telescopic locking block, so that the quick installation and the disassembly of the fusing rod can be realized, the trouble of disassembling the bolt is eliminated after the fusing rod is fused, and the convenience is realized; the clamping block of the meshing bottom plate of the meshing strip, which is pushed by the push column, is arranged on the mounting plate matched base of the sliding connection and the fixing plate, so that the quick installation and disassembly of the fuse handcart are realized, the overhaul and maintenance of the fuse handcart are facilitated, and the labor is saved without disassembling bolts.

Drawings

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

FIG. 2 is a schematic view of the interior of the mounting housing of the present utility model;

FIG. 3 is a schematic view of a base plate of the present utility model;

FIG. 4 is a schematic view of the interior of the base of the present utility model;

the reference numerals in the figures illustrate: 100. a fixing plate; 110. a chute; 111. a telescoping strip; 120. a bottom plate; 121. a clamping block; 122. a groove; 130. a fuse strip; 200. a mounting plate; 201. a contact arm; 202. a contact; 203. a bump; 300. a mounting shell; 301. a plastic net; 310. pressing the bar; 311. a push rod; 312. an arc-shaped groove; 313. a sliding column; 320. a sliding block; 330. a cavity; 340. a locking block; 341. an insulating sheet; 400. a base; 410. pressing the column; 411. an edge; 412. rotating the connecting piece; 420. a rotating rod; 430. a spring telescoping column; 431. a bite bar; 432. an extension plate.

Description of the embodiments

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations 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 apparatus 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.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the fuse handcart comprises a fixed plate 100, wherein the front side of the fixed plate 100 is in sliding connection with a mounting plate 200, and the front side of the mounting plate 200 is provided with a mounting shell 300;

in some embodiments, the mounting case 300 is internally provided with copper wires connected between the fuse link 130 and the contact arm 201.

The side wall of the installation shell 300 is slidably connected with a pressing bar 310, the side walls of the pressing bar 310 and the pushing bar 311 are provided with springs, the pressing bar 310 and the pushing bar 311 are convenient to reset, the side wall of the pressing bar 310 is rotatably connected with the pushing bar 311, the inside of the pushing bar 311 is slidably matched with a sliding column 313, the outer wall of the sliding column 313 is slidably matched with an arc-shaped groove 312, the side wall of the pushing bar 311 is rotatably connected with a sliding block 320, the top of the sliding block 320 is provided with a cavity 330, the cavity 330 is arranged in the installation shell 300, the side wall of the cavity 330 is slidably matched with a locking block 340, the side wall of the locking block 340 is arc-shaped, the inside of the cavity 330 is in clamping fit with a fusing bar 130, when the fusing bar 130 needs to be replaced, the pressing bar 310 is pushed to slide towards the inside of the installation shell 300, the pressing bar 310 pushes the pushing bar 311 to be matched with the sliding column 313 to displace, the sliding block 320 is pushed by the pushing bar 311 to be upwards displaced by the pushing bar 311, the fuse link 130 is forced to retract by the upward pushing force of the sliding block 320, the fuse link 130 can be separated from the locked state of the locked block 340, the fuse link 130 can be taken out at this time, the bottom of the fixing plate 100 is fixedly connected with the bottom plate 120 through bolts, the rear side of the mounting plate 200 is fixedly connected with the convex block 203 through bolts, the top of the bottom plate 120 is fixedly connected with the clamping block 121 through bolts, the side wall of the clamping block 121 is provided with the groove 122, the bottom of the mounting plate 200 is fixedly connected with the base 400 through bolts, the side wall of the base 400 is slidably matched with the pressing column 410, the rear side of the pressing column 410 is fixedly connected with the rotating connecting piece 412 through bolts, the side wall of the rotating connecting piece 412 is rotationally connected with the rotating rod 420, the side wall of the rotating rod 420 is rotationally connected with the extending plate 432, the side wall of the extending plate 432 is fixedly connected with the spring telescopic column 430 through bolts, the spring telescopic column 430 is of a common model in the market, and when the spring telescopic column 430 naturally extends, the engaging bar 431 does not block the clamping block 121 from penetrating into the base 400, the engaging bar 431 is fixedly connected to the bottom of the spring telescopic column 430 through bolts, racks matched with the grooves 122 are arranged on the side walls of the engaging bar 431, the pressing column 410 is pressed, the pressing column 410 is retracted into the base 400, the rotating rod 420 is rotated and opened by utilizing the rotating connecting piece 412 when the pressing column 410 is displaced, so that the rotating rod 420 pushes the extending plates 432 to two sides, the engaging bar 431 is separated from the engagement of the clamping block 121, and the fuse handcart can be detached by pushing the mounting plate 200 upwards.

Specifically, the front side wall of the mounting plate 200 is fixedly connected with a contact arm 201 through a bolt, the front side wall of the contact arm 201 is fixedly connected with a contact 202 through a bolt, and the front side wall of the fixing plate 100 is provided with a chute 110 matched with the bump 203.

Further, the side wall of the pressing column 410 is fixedly connected with a border 411 through a bolt, the front side wall of the fixed plate 100 is provided with a telescopic strip 111, the telescopic strip 111 is composed of a plastic sheet and a spring, when the mounting plate 200 slides, the telescopic strip 111 is stressed to retract into the fixed plate 100, when the mounting plate 200 is mounted, the telescopic strip 111 is subjected to the action of the spring to extend out of the side wall of the mounting plate 200 to be clamped and matched with the side wall of the mounting plate 200, and the mounting shell 300 is fixedly connected to the circumferential outer wall of the contact arm 201 through the bolt.

It should be noted that, the side wall of the locking block 340 is provided with an insulating sheet 341, the insulating sheet 341 is made of bakelite, the arc-shaped slot 312 is opened in the inside of the installation shell 300, and the edge 411 is slidably matched in the inside of the base 400.

It should be noted that, the base 400 is connected to the top of the bottom plate 120 by a snap-fit manner, the snap-fit strip 431 is slidably engaged with the side wall of the snap-fit block 121, the side wall of the mounting shell 300 is provided with the plastic net 301, and the plastic net 301 is made of common high-temperature resistant nonflammable plastic, so as to protect the fuse strip 130 from dust.

Working principle: when the fuse link 130 needs to be replaced, the pressing bar 310 is pressed, the pressing bar 310 slides towards the inside of the installation shell 300 under the action of force, the pressing bar 310 pushes the push rod 311 to be matched with the sliding column 313 for displacement, the sliding block 320 is pushed by the push rod 311 to be displaced upwards, the fuse link 130 is pushed upwards by the sliding block 320 to enable the locking block 340 to be forced to retract, the fuse link 130 can be separated from the locking of the locked block 340, at the moment, the fuse link 130 can be taken out, and after the pressing bar 310 is released, the pressing bar 310 can be driven by the action of a spring to reset the sliding block 320; when the fuse strip 130 needs to be installed, the fuse strip 130 is only required to be placed into the cavity 330 and the fuse strip 130 is pressed, so that the fuse strip 130 can be locked by the locking block 340, and the fuse strip 130 can be quickly installed and detached, so that the fuse strip 130 can be quickly installed and detached after being fused, the trouble of detaching bolts is omitted, and convenience is realized. When the whole fuse handcart needs to be disassembled and overhauled, the pressing column 410 is pressed, the pressing column 410 is retracted into the base 400, and when the pressing column 410 is displaced, the rotating rod 420 is rotated and opened by the rotating connecting piece 412, so that the rotating rod 420 pushes the extending plates 432 to two sides, the engagement strips 431 are separated from the engagement of the clamping blocks 121, and at the moment, the fuse handcart can be disassembled by pushing the mounting plate 200 upwards; when the fuse is required to be installed, the lug 203 is aligned with the chute 110 to slide the mounting plate 200 downwards, meanwhile, the clamping block 121 of the bottom plate 120 can be clamped into the base 400, the spring telescopic column 430 can push the clamping strip 431 to clamp the clamping block 121, and at the moment, the quick installation and the disassembly of the fuse handcart are realized, so that the fuse handcart is beneficial to overhauling and maintenance of the fuse handcart, and labor is saved without disassembling bolts.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fuse handcart comprising a fixed plate (100), characterized in that: the utility model discloses a rotary connecting device for a fixed plate (100), including fixed plate (100), mounting panel (200) front side sliding connection, mounting panel (200) front side is provided with mounting case (300), mounting case (300) lateral wall sliding connection has push rod (311) with push rod (310) rotation, push rod (311) inside sliding fit has sliding column (313), sliding column (313) outer wall sliding fit has arc groove (312), push rod (311) lateral wall rotation is connected with sliding block (320), sliding block (320) top is provided with cavity (330), cavity (330) lateral wall sliding fit has locking piece (340), cavity (330) inside joint has fuse strip (130), fixed plate (100) bottom rigid coupling has bottom plate (120), mounting panel (200) rear side rigid coupling has lug (203), bottom plate (120) top rigid coupling has joint piece (121), joint piece (121) lateral wall has seted up recess (122), mounting panel (200) bottom rigid coupling has base (400), sliding block (400) lateral wall sliding fit has sliding block (320), cavity (330) lateral wall sliding fit has locking piece (340), cavity (330) lateral wall sliding fit has locking piece (410) inside joint has fusing strip (130), fixed plate (100) bottom rigid coupling has bottom plate (121), the side wall of the rotating rod (420) is rotationally connected with an extension plate (432), a spring telescopic column (430) is fixedly connected to the side wall of the extension plate (432), and a snapping strip (431) is fixedly connected to the bottom of the spring telescopic column (430).

2. A fuse cart in accordance with claim 1, wherein: the front side wall of the mounting plate (200) is fixedly connected with a contact arm (201), the front side wall of the contact arm (201) is fixedly connected with a contact (202), and the front side wall of the fixing plate (100) is provided with a sliding groove (110) matched with the protruding block (203).

3. A fuse cart in accordance with claim 2, wherein: the side wall of the pressing column (410) is fixedly connected with an edge (411), the front side wall of the fixing plate (100) is provided with a telescopic strip (111), and the mounting shell (300) is fixedly connected to the circumferential outer wall of the contact arm (201).

4. A fuse cart in accordance with claim 3, wherein: the side wall of the locking block (340) is provided with an insulating sheet (341), the arc-shaped groove (312) is formed in the installation shell (300), and the edge (411) is in sliding fit with the inside of the base (400).

5. A fuse cart in accordance with claim 4, wherein: the base (400) is connected to the top of the bottom plate (120) in a buckling mode, the engagement strips (431) are in sliding fit with the side walls of the clamping blocks (121), and the side walls of the mounting shell (300) are provided with plastic nets (301).