CN112350168B

CN112350168B - Power distribution cabinet

Info

Publication number: CN112350168B
Application number: CN202011273228.XA
Authority: CN
Inventors: 卜勇; 刘爽
Original assignee: Guangzhou Keming Electronic Equipment Co ltd
Current assignee: Guangzhou Keming Electronic Equipment Co ltd
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2022-09-27
Anticipated expiration: 2040-11-14
Also published as: CN112350168A

Abstract

The invention discloses a power distribution cabinet, which comprises a cabinet body, wherein the right side wall of the cabinet body is hinged with a cabinet door through a hinged shaft, an upper electric appliance element mounting rack and a lower electric appliance element mounting rack are arranged in the cabinet body, the left side wall of the cabinet body is provided with a lock groove, the cabinet door is provided with a spring bolt mechanism, the spring bolt mechanism can be in inserted fit with the lock groove, the spring bolt mechanism comprises a spring bolt component, a linkage component and a push rod component, the spring bolt component is horizontally arranged and is arranged corresponding to the lock groove, the push rod component is vertically arranged, the linkage component is connected between the spring bolt component and the push rod component, the linkage component is used for converting the vertical displacement of the push rod component into the horizontal displacement of the spring bolt component and pushing the spring bolt component to the lock groove or shifting the spring bolt component away from the lock groove, so that the push rod component is far away from the hinged shaft of the cabinet door, and can be used for operating the cabinet door handle when the cabinet door is opened or closed, and only need the purpose that the push rod subassembly just can realize opening or closing the cabinet door and operate the cabinet door of one-hand operation.

Description

Power distribution cabinet

Technical Field

The invention relates to the field of electric power, in particular to a power distribution cabinet.

Background

The switch board is generally including the cabinet body that holds electrical components and the cabinet door of closing the cabinet body, and the cabinet door passes through the articulated shaft and is articulated with the cabinet body, and for the convenience of maintenance and the change of electrical components in the switch board, the easy operability of opening and closing of cabinet door is especially important, has both guaranteed that the cabinet door is opened easily, will guarantee the locking firmness after the cabinet door closes again. The opening and closing of cabinet door is generally realized through spring bolt subassembly and push rod subassembly to current switch board, spring bolt subassembly and the equal level setting of push rod subassembly, promote push rod subassembly and just can realize the spring bolt subassembly and insert the locked groove of the cabinet body or break away from the locked groove of the cabinet body, it is very convenient to operate, and the structure is also comparatively simple, but because spring bolt subassembly and push rod subassembly all are level setting and axis coincidence side by side, required space is big, can lead to push rod subassembly to be nearer apart from the articulated shaft like this, and then because of the reason of moment, it is very hard when utilizing push rod subassembly to open or close the cabinet door, need additionally set up the door handle on the cabinet door, so the cost has been increased on the one hand, on the other hand must another hand operation door handle of one hand operation push rod subassembly just can open or close the cabinet door, it is not very convenient to lead to open or close of cabinet door.

Disclosure of Invention

The invention aims to solve the technical problem of providing a power distribution cabinet to overcome the technical defects in the prior art.

In order to solve the problems, the invention adopts the following technical scheme:

the invention discloses a power distribution cabinet which comprises a cabinet body, wherein the right side wall of the cabinet body is hinged with a cabinet door through a hinged shaft, an upper electric appliance element mounting frame and a lower electric appliance element mounting frame are arranged in the cabinet body, the left side wall of the cabinet body is provided with a lock groove, the cabinet door is provided with a spring bolt mechanism, the spring bolt mechanism can be matched with the lock groove in an inserted mode, the spring bolt mechanism comprises a spring bolt component, a linkage component and a push rod component, the spring bolt component is horizontally arranged and corresponds to the lock groove, the push rod component is vertically arranged, the linkage component is connected between the spring bolt component and the push rod component, and the linkage component is used for converting the vertical displacement of the push rod component into the horizontal displacement of the spring bolt component and pushing the spring bolt component to the lock groove or shifting the spring bolt component from the lock groove.

Preferably, a door cavity is formed in the cabinet door, a fixing seat is arranged on the rear side of the cabinet door, an accommodating cavity is formed in the fixing seat and communicated with the door cavity, the spring bolt assembly and the linkage assembly are located in the accommodating cavity, and the push rod assembly extends into the accommodating cavity from the door cavity.

Preferably, the spring bolt subassembly includes locking piece and spring bolt, the left end and the spring bolt fixed connection of locking piece, the right-hand member of locking piece is equipped with passive inclined plane, the linkage subassembly is equipped with the initiative inclined plane, the linkage subassembly is pushed the spring bolt to the locked groove through the effect on initiative inclined plane and passive inclined plane.

Preferably, the fixing base is equipped with the opening, and the opening sets up with holding the chamber intercommunication, and the spring bolt stretches into the locked groove from the opening.

Preferably, it is fixed with the fixed column to hold the intracavity, locking piece upper portion is equipped with the bar groove, and the fixed column connects with the bar groove and joins in marriage, be equipped with the spring between locking piece lower part and the linkage subassembly.

Preferably, the linkage subassembly includes a fixed section of thick bamboo, a movable section of thick bamboo and universal driving shaft, a fixed section of thick bamboo is fixed and is being held the intracavity, a movable section of thick bamboo rotates with the right-hand member of a fixed section of thick bamboo to be connected, the universal driving shaft from the right side to the left side wear to establish on a movable section of thick bamboo and a fixed section of thick bamboo and with a movable section of thick bamboo threaded connection, can drive universal driving shaft horizontal migration in a fixed section of thick bamboo when a movable section of thick bamboo rotates, the initiative inclined plane is established the left end of universal driving shaft.

Preferably, the spring sets up between a locking piece and a fixed section of thick bamboo, the left end of universal driving shaft is equipped with the recess, the right-hand member of locking piece is equipped with the lug, the lug is located the recess, when the lug laminates with the right-hand member of recess the spring bolt stretches into the locked groove, when the lug laminates with the left end of recess the spring bolt breaks away from the locked groove.

Preferably, the push rod subassembly includes push pedal, push rod and handle, the push pedal is located and holds the intracavity and be connected with the meshing of a movable section of thick bamboo, the push rod is with push pedal and handle fixed connection, the front side of cabinet door is equipped with the spout, and the spout sets up with a chamber intercommunication, the inner of push rod stretches into from the spout and holds intracavity and push pedal fixed connection, the outer end of push rod stretches out spout and handle fixed connection.

Preferably, the push plate is provided with a driving tooth, the movable cylinder is provided with a driven tooth, and the driving tooth is meshed with the driven tooth.

Preferably, when the push rod is located the spout bottom the spring bolt stretches into the locked groove, when the push rod is located the spout top the spring bolt breaks away from the locked groove.

According to the door handle, the linkage assembly is additionally arranged between the spring bolt assembly and the push rod assembly, so that the push rod assembly can be vertically arranged when the spring bolt assembly is horizontally arranged, the push rod assembly is far away from a hinged shaft of a cabinet door, the door handle can be used for operating the cabinet door while the cabinet door is opened or closed, the door handle is not required to be additionally arranged, the cost is saved, the purposes of opening or closing the cabinet door and operating the cabinet door can be realized only by operating the push rod assembly with one hand, the conventional double-hand operation is abandoned, and the door handle is very convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the cabinet door of FIG. 1 with the door removed;

FIG. 3 is a schematic view showing the structure of the back side of the upper and lower electrical component mounting brackets of FIG. 2

FIG. 4 is a schematic view of a back side structure of the cabinet door shown in FIG. 1;

FIG. 5 is a schematic cross-sectional view of the fixing base shown in FIG. 4;

fig. 6 is a schematic view of a partial explosion structure of the latch bolt mechanism in an embodiment of the present invention;

fig. 7 is a schematic view of a partial assembly structure of the latch bolt mechanism in the embodiment of the invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1 to 7, a power distribution cabinet of this embodiment includes a cabinet body 1, a cabinet door 3 is hinged to a right side wall of the cabinet body 1 through a hinge shaft 2, an upper electrical component mounting rack 4 and a lower electrical component mounting rack 5 are disposed in the cabinet body 1, a fusing device 6 such as a fuse is mounted on the upper electrical component mounting rack 4, a watt-hour meter 7 is mounted on the lower electrical component mounting rack 5, and the electrical components are installed in different regions to facilitate installation, maintenance and replacement of the electrical components, left ends of the upper electrical component mounting rack 4 and the lower electrical component mounting rack 5 are hinged to an upper portion and a lower portion of the left side wall of the cabinet body 1, right ends of the upper electrical component mounting rack 4 and the lower electrical component mounting rack 5 are detachably connected to an upper portion and a lower portion of the right side wall of the cabinet body 1, so that the upper electrical component mounting rack 4 and the lower electrical component mounting rack 5 can be rotated to the outside of the cabinet body 1 to install the electrical components, therefore, the installation is not limited, and the installation, the maintenance and the replacement of the electrical components are convenient. Go up and be equipped with two rows at least fusing device mounting panel 8 on electrical components mounting bracket 4, parallel arrangement about two rows at least fusing device mounting panel 8, fusing device 6 is installed on fusing device mounting panel 8, go up electrical components mounting bracket 4 and be equipped with wire casing box 9 respectively in both ends about, wire casing box 9 is vertical to be set up, fusing device mounting panel 8 is connected between two wire casing boxes 9, so that walk the line, electrical components mounting bracket 5 is equipped with kilowatt-hour meter mounting panel 10 down, kilowatt-hour meter mounting panel 10 is installed and is nevertheless not contacted with 1 rear side of the cabinet body at the rear side of electrical components mounting bracket 5, kilowatt-hour meter 7 is installed on kilowatt-hour meter mounting panel 10.

The upper electrical component mounting rack 4 and the lower electrical component mounting rack 5 are arranged in an up-down parallel manner, and a safety distance is arranged between the bottom of the upper electrical component mounting rack 4 and the top of the lower electrical component mounting rack 5, so as to safely separate the upper electrical component mounting rack 4 and the lower electrical component mounting rack 5, slots are respectively arranged on the upper part and the lower part of the right side of the cabinet body 1, the right ends of the upper electrical component mounting rack 4 and the lower electrical component mounting rack 5 are respectively provided with an insertion sheet 11 and a rotary button 12 for controlling the insertion sheet 11 to rotate, the insertion sheet 11 is a Z-shaped insertion sheet, the Z-shaped insertion sheet is connected with the rotary button 12 through a rotary shaft 13, the rotary button 12 controls the insertion sheet 11 to be inserted into or separated from the slots, so as to realize locking or unlocking between the upper electrical component mounting rack 4 and the cabinet body 1 and locking or unlocking between the lower electrical component mounting rack 5 and the cabinet body 1, the upper electrical component mounting rack 4, Lower electrical components mounting bracket 5's right-hand member is equipped with via hole 14 respectively, inserted sheet 11 rotatably sets up in via hole 14, knob 12 has primary importance and second position, inserted sheet 11 is located via hole 14 when twisting knob 12 and making this knob 12 be located the primary importance, go up electrical components mounting bracket 4 this moment or unblock between electrical components mounting bracket 5 and the cabinet body 1 down, can be with going up electrical components mounting bracket 4 or electrical components mounting bracket 5 down from the inside rotation of the cabinet body 1 to the outside of cabinet body 1, so that electrical components's installation, maintenance and change, inserted sheet 11 stretches out via hole 14 and inserts the slot when twisting knob 12 and making this knob 12 be located the second position, go up electrical components mounting bracket 4 this moment or lock down between electrical components mounting bracket 5 and the cabinet body 1.

In order to ensure that the upper and lower electrical

component mounting brackets

4 and 5 are normally locked with the cabinet 1, a torsion spring is provided between the rotating shaft 13 and the rotating knob 12, and the torsion spring enables the rotating knob 12 to be in the second position when no external force is applied. For safety, the main switch 41 is provided on the top of the front side of the upper electrical component mounting bracket 4, and the main switch 41 can be turned off before the rotary knob 12 is operated.

The left side wall of the cabinet body 1 is equipped with the locked groove 15, cabinet door 3 is equipped with the spring bolt mechanism, the spring bolt mechanism can be pegged graft with locked groove 15 and cooperate, in order to lock cabinet door 3 to the cabinet body 1, the spring bolt mechanism includes spring bolt subassembly 16, linkage assembly 17 and push rod subassembly 18, spring bolt subassembly 16 level sets up and corresponds the setting with locked groove 15, push rod subassembly 18 is vertical to be set up, linkage assembly 17 connects between spring bolt subassembly 16 and push rod subassembly 18, linkage assembly 17 is used for converting the vertical displacement of push rod subassembly 18 into the horizontal displacement of spring bolt subassembly 16, push spring bolt subassembly 16 to locked groove 15 or dial from locked groove 15. This embodiment has increased linkage assembly 17 between spring bolt subassembly 16 and push rod subassembly 18, push rod subassembly 18 can vertical setting when making the level of spring bolt subassembly 16 set up, push rod subassembly 18 is far away from the articulated shaft 2 of cabinet door 3 like this, when being used for opening or closing cabinet door 3, can also be used for door handle operation cabinet door 3, need not additionally to set up the door handle again, the cost is practiced thrift, and only need one-hand operation push rod subassembly 18 just can realize opening or close the purpose of cabinet door 3 and operation cabinet door 3, conventional both hands operation has been abandoned, it is very convenient to use.

A door cavity is arranged in the cabinet door 3, a fixed seat 19 is arranged at the rear side of the cabinet door 3, a containing cavity 20 is arranged in the fixed seat 19, the containing cavity 20 is communicated with the door cavity, a bolt assembly 16 and a linkage assembly 17 are positioned in the containing cavity 20, a push rod assembly 18 extends into the containing cavity 20 from the door cavity, the bolt assembly 16 comprises a locking block 21 and a bolt 22, the left end of the locking block 21 is fixedly connected with the bolt 22 and integrally formed, an opening 23 is arranged on the fixed seat 19, the opening 23 is communicated with the containing cavity 20, the bolt 22 extends into the locking groove 15 from the opening 23, a passive inclined surface 24 is arranged at the right end of the locking block 21, the linkage assembly 17 is provided with an active inclined surface 25, the linkage assembly 17 pushes the bolt 22 to the locking groove 15 under the action of the active inclined surface 25 and the passive inclined surface 24, namely when the linkage assembly 17 moves leftwards, the active inclined surface 25 presses the passive inclined surface 24, so that the locking block 21 and the bolt 22 move leftwards to extend into the locking groove 15, the linkage assembly 17 comprises a fixed cylinder 26, a movable cylinder 27 and a linkage shaft 28, the fixed cylinder 26 is fixed in the accommodating cavity 20, the movable cylinder 27 is rotatably connected with the right end of the fixed cylinder 26 or the movable cylinder 27 is rotatably arranged in the accommodating cavity 20, the linkage shaft 28 penetrates through the movable cylinder 27 and the fixed cylinder 26 from right to left and is in threaded connection with the movable cylinder 27, the linkage shaft 28 is driven to horizontally move in the fixed cylinder 26 when the movable cylinder 27 rotates, an active inclined plane 25 is arranged at the left end of the linkage shaft 28, a fixed column 29 is further fixed in the accommodating cavity 20, a strip-shaped groove 30 is arranged at the upper part of the locking block 21, the fixed column 29 is matched and connected with the strip-shaped groove 30, a spring 31 is arranged between the lower part of the locking block 21 and the fixed cylinder 26 of the linkage assembly 17, a left spring seat 32 is arranged at the lower part of the locking block 21, a right spring seat 33 is arranged at the lower part of the fixed cylinder 26, the left end of the spring 31 is fixedly connected with the left spring seat 32, and the right end of the spring 31 is fixedly connected with the right spring seat 33, under the action of spring 31, lock block 21 and lock tongue 22 move along the track defined by fixed column 29, when linkage shaft 28 moves leftwards, lock tongue 22 moves leftwards and is pushed to lock groove 15 under the action of active inclined plane 25 and passive inclined plane 24, when linkage shaft 28 moves rightwards, lock tongue 22 separates from lock groove 15 under the action of spring 31, in order to make lock tongue 22 timely separate from lock groove 15 and prevent the problem of insensitivity of spring 31, the left end of linkage shaft 28 is equipped with recessed groove 42, the right end of lock block 21 is equipped with projection 43, projection 43 is positioned in recessed groove 42, the size of projection 43 is smaller than that of recessed groove 42, when linkage shaft 28 moves leftwards and makes lock tongue 22 just extend into lock groove 15, projection 43 is fit with the right end of recessed groove 42, when linkage shaft 28 moves rightwards, linkage shaft 28 can drive lock block 21 and lock tongue 22 to move rightwards under the action of projection 43 fitting with the left end of recessed groove 42, allowing locking bolt 22 to disengage from locking slot 15.

The push rod assembly 18 comprises a push plate 34, a push rod 35 and a handle 36, the push plate 34 is positioned in the accommodating cavity 20 and is engaged with the movable barrel 27, specifically, the push plate 34 is provided with a driving tooth 37, the movable barrel 27 is provided with a driven tooth 38, the driving tooth 37 is engaged with the driven tooth 38, the push plate 34 is fixedly connected with the handle 36 by the push rod 35, the front side of the cabinet door 3 is provided with a sliding chute 39, the sliding chute 39 is communicated with the door cavity, the inner end of the push rod 35 extends into the accommodating cavity 20 from the sliding chute 39 and is fixedly connected with the push plate 34, the outer end of the push rod 35 extends out of the sliding chute 39 and is fixedly connected with the handle 36, when the handle 36 is pushed downwards, the push rod 35 and the push plate 34 move downwards and drive the linkage shaft 28 to move leftwards through the driving tooth 37 and the driven tooth 38, when the push rod 35 is positioned at the bottom of the sliding chute 39, the lock tongue 22 just extends into the lock groove 15 to realize locking, at the moment, the spring 31 is in a natural state, when the handle 36 is pushed upwards, the push rod 35 and the push plate 34 and drive the linkage shaft 28 to move rightwards through the driving tooth 37 and drive the driven tooth 38, when push rod 35 is at the top of slide groove 39, lock tongue 22 is completely separated from lock groove 15 to unlock, spring 31 is in a stretching state, and if handle 36 is released, push rod assembly 18 is reset under the action of spring 31. When the cabinet door 3 is to be opened, the handle 36 is pulled upwards to the top of the sliding groove 39 by a single hand, then the handle 36 is pulled outwards to open the cabinet door, and finally the handle 36 can be released, when the cabinet door 3 is to be locked, the handle 36 is pulled upwards to the top of the sliding groove 39, and then the handle 36 is released after the cabinet door 3 is closed in place.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A power distribution cabinet comprises a cabinet body, wherein the right side wall of the cabinet body is hinged with a cabinet door through a hinge shaft, an upper electric appliance element mounting frame and a lower electric appliance element mounting frame are arranged in the cabinet body, the left side wall of the cabinet body is provided with a lock groove, the cabinet door is provided with a spring bolt mechanism, and the spring bolt mechanism can be in plug fit with the lock groove;

a door cavity is formed in the cabinet door, a fixed seat is arranged on the rear side of the cabinet door, an accommodating cavity is formed in the fixed seat and communicated with the door cavity, the spring bolt assembly and the linkage assembly are located in the accommodating cavity, and the push rod assembly extends into the accommodating cavity from the door cavity;

the lock tongue assembly comprises a lock block and a lock tongue, the left end of the lock block is fixedly connected with the lock tongue, the right end of the lock block is provided with a passive inclined plane, the linkage assembly is provided with an active inclined plane, and the lock tongue is pushed to the lock groove by the linkage assembly under the action of the active inclined plane and the passive inclined plane;

the fixed seat is provided with an opening, the opening is communicated with the accommodating cavity, and the lock tongue extends into the lock groove from the opening;

a fixing column is fixed in the containing cavity, a strip-shaped groove is formed in the upper portion of the locking block, the fixing column is matched and connected with the strip-shaped groove, and a spring is arranged between the lower portion of the locking block and the linkage assembly;

the linkage assembly comprises a fixed cylinder, a movable cylinder and a linkage shaft, the fixed cylinder is fixed in the accommodating cavity, the movable cylinder is rotatably connected with the right end of the fixed cylinder, the linkage shaft penetrates through the movable cylinder and the fixed cylinder from right to left and is in threaded connection with the movable cylinder, the linkage shaft can be driven to horizontally move in the fixed cylinder when the movable cylinder rotates, and the active inclined plane is arranged at the left end of the linkage shaft;

the spring sets up between locking piece and fixed cylinder, the left end of universal driving shaft is equipped with the recess, the right-hand member of locking piece is equipped with the lug, the lug is located the recess, when the lug laminates with the right-hand member of recess the spring bolt stretches into the locked groove, when the lug laminates with the left end of recess the spring bolt breaks away from the locked groove.

2. The power distribution cabinet according to claim 1, wherein the push rod assembly comprises a push plate, a push rod and a handle, the push plate is located in the accommodating cavity and is meshed with the movable barrel to be connected, the push plate and the handle are fixedly connected through the push rod, a sliding groove is formed in the front side of the cabinet door and is communicated with the door cavity, the inner end of the push rod extends into the accommodating cavity from the sliding groove to be fixedly connected with the push plate, and the outer end of the push rod extends out of the sliding groove to be fixedly connected with the handle.

3. The switch board of claim 2, wherein the push plate is provided with a driving tooth, the movable cylinder is provided with a driven tooth, and the driving tooth is meshed with the driven tooth.

4. The switch board of claim 2, wherein the latch extends into the keyway when the push rod is at the bottom of the channel and the latch disengages from the keyway when the push rod is at the top of the channel.