CN114825102A

CN114825102A - Telescopic combined power distribution cabinet easy to assemble

Info

Publication number: CN114825102A
Application number: CN202210629592.8A
Authority: CN
Inventors: 熊拥军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-07-29

Abstract

The invention discloses an easily assembled telescopic combined power distribution cabinet, which comprises: the front side of the box body is provided with an opening, and two switch doors are rotatably connected in the opening; the mounting bracket is movably arranged in the box body along the front-back direction; the driving mechanism is arranged in the box body and comprises a driving assembly, a first linkage assembly and a second linkage assembly, the first linkage assembly is arranged between the driving assembly and the mounting support, the mounting support is moved out of the box body under the driving of the driving assembly, the second linkage assembly is arranged between the mounting support and the two switch doors, and the two switch doors are opened outwards under the driving of the mounting support. According to the invention, the driving assembly consisting of the driving assembly, the first linkage assembly and the second linkage assembly is arranged, so that the mounting bracket can be automatically driven to move out of the box body, and the two switch doors can be opened outwards, thereby facilitating the mounting of internal electrical components and the mounting of electrical components under the scene that a plurality of power distribution cabinets are arranged side by side.

Description

Telescopic combined power distribution cabinet easy to assemble

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to an easily-assembled telescopic combined power distribution cabinet.

Background

Among the correlation technique, the switch board is when maintenance or installation electrical components, need open the door of switch board, but, because inner space is limited, it is inconvenient to lead to the operation when maintenance or installation electrical components, and when the switch board was arranged in a row, the switch door of a plurality of switch boards influences each other moreover, also can increase the degree of difficulty of electrical components maintenance or installation equally, to the problem among the correlation technique, has not proposed effectual solution at present.

Disclosure of Invention

Aiming at the problems in the related art, the invention provides an easily-assembled telescopic combined power distribution cabinet, so as to overcome the technical problems in the prior related art.

Therefore, the invention adopts the following specific technical scheme:

an easy-to-assemble telescopic combined power distribution cabinet, comprising: the refrigerator comprises a refrigerator body, a door body and a door body, wherein an opening is formed in the front side of the refrigerator body, and two switch doors are rotatably connected in the opening; the mounting bracket is movably arranged in the box body along the front-back direction; actuating mechanism, actuating mechanism establishes in the box, actuating mechanism includes drive assembly, first linkage subassembly, second linkage subassembly, first linkage subassembly is established drive assembly with between the installing support, so that drive assembly orders about down the messenger the installing support shifts out the box, the second linkage subassembly is established installing support and two between the switch door, so that ordering about of installing support makes two the switch door is outwards opened.

In some embodiments, the driving assembly includes a motor, a first pulley, a second pulley, and a first belt, the motor is disposed on the box, the first pulley is disposed on a motor shaft of the motor, one end of the first belt is sleeved on the first pulley, and the other end of the first belt is sleeved on the second pulley, and the second pulley is connected to the first linkage assembly.

In some embodiments, the first linkage assembly includes a bottom pushing assembly, the bottom pushing assembly includes a lead screw, a moving block, and a connecting rod, the lead screw is rotatably disposed on the box body and connected to the second belt pulley, the moving block is disposed on the lead screw, first sliding blocks are disposed at left and right ends of the moving block, two first sliding rails are disposed on the box body, first sliding grooves extending in an up-and-down direction are disposed on the first sliding rails, the first sliding grooves are matched with the first sliding blocks, a first hinge seat is disposed on the moving block, a second hinge seat is disposed at a lower end of the mounting bracket, one end of the connecting rod is rotatably connected to the first hinge seat, and the other end of the connecting rod is rotatably connected to the second hinge seat.

In some embodiments, the left end and the right end of the bottom of the mounting bracket are provided with second sliding blocks extending along the front-back direction, the left end and the right end of the inner bottom wall of the box body are provided with second sliding rails, the second sliding rails are provided with second sliding grooves extending along the front-back direction, and the second sliding grooves are matched with the second sliding blocks.

In some embodiments, first elastic wheel assemblies are disposed at left and right ends of the bottom of the mounting bracket, each first elastic wheel assembly includes a first fixed seat, a first movable seat, a first spring, and a first roller, the first fixed seat is disposed on the mounting bracket, the first fixed seat is provided with a first round sleeve disposed along a vertical direction, the first movable seat is provided with a first guide pillar, the first guide pillar is disposed in the first round sleeve, the first roller is rotatably connected to the first movable seat, the first spring is sleeved in the first round sleeve, one end of the first spring is connected to the first fixed seat, and the other end of the first spring is connected to the first movable seat.

In some embodiments, a supporting platform is arranged at the bottom of the box body, the first roller is stopped against the supporting platform, and a guide inclined plane is arranged at the front end of the supporting platform.

In some embodiments, the first linkage assembly further comprises a top pushing assembly, the top pushing assembly comprises a rack, a gear, a third belt wheel, a fourth belt wheel and a second belt, the rack is arranged at the left end and the right end of the mounting bracket, a third slider is arranged at the top of the rack, a third slide rail is arranged on the inner top wall of the box body, a third slide groove is arranged on the third slide rail, the third slide groove is matched with the third slider, the two gears are rotatably connected to the box body, the two gears are respectively engaged with the left rack and the right rack, each gear is provided with the third belt wheel on the shaft, the fourth belt wheel is arranged on the screw rod, and the second belt is sleeved on the fourth belt wheel and the two third belt wheels.

In some embodiments, the second linkage assembly includes two elastic push rod assemblies, the top of the mounting bracket is provided with a mounting seat, one end of one of the two elastic push rod assemblies is connected with the mounting seat, the other end of the other elastic push rod assembly is connected with the left switch door, one end of the other elastic push rod assembly is connected with the mounting seat, the other end of the other elastic push rod assembly is connected with the right switch door, the elastic push rod assembly includes a first connecting rod, a second connecting rod and a second spring, the first connecting rod is hinged on the mounting seat, the first connecting rod is provided with a long cylindrical sleeve, the second connecting rod is provided with a long cylindrical column, the long cylindrical column is arranged in the long cylindrical sleeve, the switch door is provided with a third hinged seat, the second connecting rod is hinged on the third hinged seat, the second connecting rod is provided with a first baffle, and the first connecting rod is provided with a second baffle, the second spring sleeve is arranged on the long cylinder sleeve, one end of the second spring is abutted against the first baffle, and the other end of the second spring is abutted against the second baffle.

In some embodiments, the left and right ends of the mounting bracket are provided with second elastic wheel assemblies, each second elastic wheel assembly is provided with two upper and lower groups, each group is two groups spaced apart from each other along the front-rear direction, each second elastic wheel assembly includes a second fixed seat, a second movable seat, a third spring and a second roller, the second fixed seat is arranged on the mounting bracket, the second fixed seat is provided with a second round sleeve arranged along the left-right direction, the second movable seat is provided with a second guide pillar, the second guide pillar is arranged in the second round sleeve, the second roller is rotatably connected to the second movable seat, the third spring is sleeved in the second round sleeve, one end of the third spring is connected to the second fixed seat, and the other end of the third spring is connected to the second movable seat.

In some embodiments, the mounting bracket includes a rear wall plate, a top wall plate, and a bottom wall plate, the top wall plate is connected to the top end of the rear wall plate, the bottom wall plate is connected to the bottom end of the rear wall plate, a set of second resilient wheel assemblies is respectively provided on the left and right sides of the top wall plate, a set of second resilient wheel assemblies is respectively provided on the left and right sides of the bottom wall plate, a plurality of sets of guide rails are provided on the rear wall plate, two guide rails are provided along the left and right direction, each guide rail is provided with a guide groove, a mounting plate is provided between the two guide rails of each set, and two ends of the mounting plate are fitted in the guide grooves.

The invention has the beneficial effects that: according to the invention, the driving assembly consisting of the driving assembly, the first linkage assembly and the second linkage assembly is arranged, so that the mounting bracket can be automatically driven to move out of the box body, and the two switch doors can be opened outwards, thereby facilitating the mounting of internal electrical components and the mounting of electrical components under the scene that a plurality of power distribution cabinets are arranged side by side.

Drawings

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

Fig. 1 is an internal structure diagram of a telescopic combined power distribution cabinet easy to assemble according to an embodiment of the invention;

fig. 2 is a first partial structural diagram of the retractable combined power distribution cabinet easy to assemble according to the embodiment of the invention;

FIG. 3 is a partial structure diagram II of the retractable combined power distribution cabinet easy to assemble according to the embodiment of the invention;

fig. 4 is a partial structural diagram of a telescopic combined power distribution cabinet easy to assemble according to an embodiment of the invention;

fig. 5 is an internal sectional view of the retractable combined power distribution cabinet easy to assemble according to the embodiment of the invention;

fig. 6 is a partial structural diagram of a retractable combined power distribution cabinet easy to assemble according to an embodiment of the invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at I;

FIG. 8 is an exploded view of an elastomeric push rod assembly according to an embodiment of the present invention;

FIG. 9 is a sectional view showing the internal structure of an elastic push rod assembly according to an embodiment of the present invention;

fig. 10 is a partial structural view of a telescopic combined power distribution cabinet easy to assemble according to an embodiment of the invention;

fig. 11 is a sectional view showing an internal structure of a first elastic wheel assembly according to an embodiment of the present invention;

FIG. 12 is a sectional view showing the internal structure of a second resilient wheel assembly according to an embodiment of the present invention;

FIG. 13 is an enlarged view of a portion of FIG. 2 at II;

fig. 14 is a perspective view of a telescopic combined power distribution cabinet easy to assemble according to an embodiment of the invention.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the invention, the telescopic combined power distribution cabinet easy to assemble is provided.

Referring to the drawings and the detailed description, the invention will be further described, as shown in fig. 1 to 14, in accordance with an embodiment of the invention, an easily assembled telescopic combined power distribution cabinet includes: the device comprises a box body 1, a mounting bracket 3 and a driving mechanism 4, wherein an opening 1a is arranged on the front side of the box body 1, and two switch doors 2 are rotatably connected in the opening 1 a; the mounting bracket 3 is movably arranged in the box body 1 along the front-back direction; the driving mechanism 4 is arranged in the box body 1, the driving mechanism 4 comprises a driving component 41, a first linkage component 42 and a second linkage component 43, the first linkage component 42 is arranged between the driving component 41 and the mounting bracket 3 so as to enable the mounting bracket 3 to move out of the box body 1 under the driving of the driving component 41, and the second linkage component 43 is arranged between the mounting bracket 3 and the two opening and closing doors 2 so as to enable the two opening and closing doors 2 to be opened outwards under the driving of the mounting bracket 3.

When the internal electrical components need to be maintained or assembled and disassembled, the driving component 41 drives the first linkage component 42 to drive the mounting bracket 3 in the box body 1 to move out from the opening 1a, and during the process, the second linkage component 43 is driven by the mounting bracket 3 to open towards two sides automatically, so that the mounting bracket 3 is positioned in front of the two switch doors 2, and at the moment, no shielding object exists on the front side and the left and right sides of the mounting bracket 3, so that the electrical components can be easily mounted on the mounting bracket 3.

By means of the technical scheme, the driving assembly 4 consisting of the driving assembly 41, the first linkage assembly 42 and the second linkage assembly 43 is arranged, so that the mounting bracket 3 can be automatically driven to move out of the box body 1 and the two switch doors 2 are opened outwards, and therefore, the mounting of internal electrical components is facilitated, and the mounting of electrical components in a scene where a plurality of power distribution cabinets are arranged side by side is facilitated.

In some embodiments, as shown in fig. 4, the driving assembly 41 includes a motor 411, a first pulley 412, a second pulley 413, and a first belt 414, the motor 411 is disposed on the box body 1, the first pulley 412 is disposed on a motor shaft of the motor 411, one end of the first belt 414 is sleeved on the first pulley 412, the other end is sleeved on the second pulley 413, and the second pulley 413 is connected to the first linkage assembly 42.

The operating principle of the driving assembly 41 is: after the motor 411 is started, the motor shaft drives the first belt wheel 412 to rotate, and then the first belt 414 transmits power to the second belt wheel 413, and finally drives the first linkage assembly 42 to move. The adoption of such a driving assembly 41 facilitates the arrangement of the motor 411 in the case 1, thereby rationally arranging the inner space of the case 1.

In some embodiments, as shown in fig. 1, 3, 4, 6, and 7, the first linkage assembly 42 includes a bottom pushing assembly 421, the bottom pushing assembly 421 includes a lead screw 4211, a moving block 4212, and a connecting rod 4213, the lead screw 4211 is rotatably disposed on the case 1 and connected to the second belt wheel 413, the moving block 4212 is disposed on the lead screw 4211, the moving block 4212 is provided with first sliding blocks 4212a at left and right ends thereof, the case 1 is provided with two first sliding rails 11, the first sliding rails 11 are provided with first sliding grooves 11a extending in an up-down direction, the first sliding grooves 11a are engaged with the first sliding blocks 4212a, the moving block 4212 is provided with first hinge seats 4212b, the lower end of the mounting bracket 3 is provided with second hinge seats 3a, one end of the connecting rod 4213 is rotatably connected to the first hinge seats 4212b, and the other end is rotatably connected to the second hinge seats 3 a.

The operation principle of the bottom pushing assembly 421 is: the lead screw 4211 is driven by the second belt wheel 413 to rotate, so that the moving block 4212 moves downwards, and during the process, the first slide rail 11 is matched with the first sliding block 4212a on the moving block 4212 through the first sliding groove 11a on the first slide rail 11, so that stable and reliable downward movement on the moving block 4212 can be ensured. As the moving block 4212 moves downward, the link 4213 may be pushed to move forward and swing, thereby pushing the mounting bracket 3 forward out of the case 1 from the bottom of the mounting bracket 3. The mounting bracket 3 may also be moved inwardly of the housing 1, as described above.

In some embodiments, as shown in fig. 10 and 13, the left and right ends of the bottom of the mounting bracket 3 are provided with second sliding blocks 3b extending in the front-rear direction, the left and right ends of the inner bottom wall of the box body 1 are provided with second sliding rails 12, the second sliding rails 12 are provided with second sliding grooves 12a extending in the front-rear direction, and the second sliding grooves 12a are engaged with the second sliding blocks 3 b. The second sliding block 3b is matched with the second sliding groove 12a of the second sliding rail 12, so that the bottom forward moving process of the mounting bracket 3 can be more stable.

In some embodiments, as shown in fig. 5, 10, 11, and 13, the first elastic wheel assemblies 5 are disposed at the left and right ends of the bottom of the mounting bracket 3, each first elastic wheel assembly 5 includes a first fixed seat 51, a first movable seat 52, a first spring 53, and a first roller 54, the first fixed seat 51 is disposed on the mounting bracket 3, the first fixed seat 51 is provided with a first round sleeve 51a disposed along the vertical direction, the first movable seat 52 is provided with a first guide pillar 52a, the first guide pillar 52a is disposed in the first round sleeve 51a, the first roller 54 is rotatably connected to the first movable seat 52, the first spring 53 is sleeved in the first round sleeve 51a, one end of the first spring 53 is connected to the first fixed seat 51, and the other end is connected to the first movable seat 52.

The working principle of the first resilient wheel assembly 5 is: when the mounting bracket 3 moves out of the box body 1, the first spring 53 releases elasticity and extends to push the first guide post 52a to move downwards on the first round sleeve 51a, and at the moment, the first roller 54 on the first movable seat 52 contacts with the ground, so that the front end of the mounting bracket 3 can be supported on the ground, and the stability of the mounting bracket 3 outside the box body 1 is improved. When the mounting bracket 3 is returned to the cabinet 1, the first roller 54 can be returned to the cabinet 1 by compressing the first spring 53 in the same manner.

In some embodiments, as shown in fig. 2 and 13, the bottom of the box 1 is provided with a support base 6, the first roller 54 abuts against the support base 6, and the front end of the support base 6 is provided with a guiding inclined surface 6 a. When the mounting bracket 3 is returned to the cabinet 1, the first roller 54 is more easily returned to the supporting stand 6 by the guide slope 6 a.

In some embodiments, as shown in fig. 1, 4, and 6, the first linkage assembly 42 further includes a top pushing assembly 422, the top pushing assembly 422 includes racks 4221, gears 4222, third pulleys 4223, fourth pulleys 4224, and second belts 4225, the racks 4221 are disposed at left and right ends of the mounting bracket 3, the racks 4221 are disposed at top of the racks 4221, third sliding blocks 4221a are disposed on an inner top wall of the box 1, third sliding rails 13 are disposed on the third sliding rails 13, the third sliding grooves 13a are engaged with the third sliding blocks 4221a, the gears 4222 are two and rotatably connected to the box 1, the two gears 4222 are respectively engaged with the left and right racks 4221, a third pulley 4223 is disposed on a shaft of each gear 4222, the fourth pulley 4224 is disposed on the lead screw 4211, and the second belt 4225 is sleeved on the fourth pulley 4224 and the two third pulleys 4223.

The operating principle of the top pushing assembly 422 is as follows: the fourth belt wheel 4224 is driven by the screw 4211 to rotate, power can be transmitted to the left third belt wheel 4223 and the right third belt wheel 4223 through the second belt 4225, the third belt wheel 4223 drives the gear 4222 below to rotate, the rack 4221 is driven to move forwards, the third sliding block 4221a is matched with the third sliding groove 13a of the third sliding rail 13 to ensure that the rack 4221 moves more stably, the rack 4221 moves forwards to drive the top of the mounting bracket 3 to move, and by combining the above, the bottom and the top of the mounting bracket 3 can be pushed forwards at the same time, so that the mounting bracket 3 is more stable.

In some embodiments, as shown in fig. 1 to 4, 8 and 9, the second linkage assembly 43 includes two elastic push rod assemblies 431, the top of the mounting bracket 3 is provided with a mounting seat 3b, one end of one of the two elastic push rod assemblies 431 is connected to the mounting seat 3b, the other end is connected to the left switch door 2, one end of the other is connected to the mounting seat 3b, and the other end is connected to the right switch door 2, the elastic push rod assembly 431 includes a first connecting rod 4311, a second connecting rod 4312 and a second spring 4313, the first connecting rod 4311 is hinged to the mounting seat 3b, the first connecting rod 4311 is provided with a long cylindrical sleeve 4311a, the second connecting rod 4312 is provided with a long cylindrical column 4312a, the long cylindrical column 4312a is arranged in the long cylindrical sleeve 4311a, the switch door 2 is provided with a third hinge seat 2a, the second connecting rod 4312 is hinged to the third hinge seat 2a, the second connecting rod 4312 is provided with a first baffle 4312b, a second baffle 4311b is arranged on the first connecting rod 4311, the second spring 4313 is sleeved on the long cylindrical sleeve 4311a, one end of the second spring 4313 abuts against the first baffle 4312b, and the other end abuts against the second baffle 4311 b.

The working principle of the elastic push rod assembly 431 is as follows: when the mounting bracket 3 moves forward, the first connection rod 4311 transmits an acting force to the second connection rod 4312, and since the first connection rod 4311 is hinged to the mounting seat 3b and the second connection rod 4312 is hinged to the third hinge seat 2a, the switch door 3 can be pushed to open outwards along with the movement of the mounting bracket 3. By arranging the long cylinder sleeve 4311a and the long cylinder 4312a, the second connecting rod 4312 and the first connecting rod 4311 can move relatively, and in the process of opening the switch door 2, the interference between the movement of the mounting bracket 3 and the movement of the switch door 2 can be avoided by compressing the second spring 4313 and extending and retracting the second connecting rod 4312 on the first connecting rod 4311.

In some embodiments, as shown in fig. 3, an avoidance slot 4221b is provided between the bottom of the rack 4221 and the top of the mounting bracket 3, and the avoidance slot 4221b functions as an avoidance so that the resilient push rod assembly 431 can pass through the avoidance slot 4221b when swinging.

In some embodiments, as shown in fig. 2, 3, 4, 5, and 10, the second elastic wheel assemblies 7 are disposed at the left and right ends of the mounting bracket 3, the second elastic wheel assemblies 7 at each end are disposed in two sets, each set is two sets spaced apart along the front-rear direction, each second elastic wheel assembly 7 includes a second fixed seat 71, a second movable seat 72, a third spring 73, and a second roller 74, the second fixed seat 71 is disposed on the mounting bracket 3, a second round sleeve 71a disposed along the left-right direction is disposed on the second fixed seat 71, a second guide post 72a is disposed on the second movable seat 72, the second roller 74 is rotatably connected to the second movable seat 72, the third spring 73 is sleeved in the second round sleeve 71a, one end of the third spring 73 is connected to the second fixed seat 71, and the other end is connected to the second movable seat 72.

The left side and the right side of the mounting bracket 3 can be tightly stopped against the inner wall of the box body 1 by arranging the second elastic wheel assembly 7, and the situation that the mounting bracket 3 is inclined due to overhigh is avoided. The working principle of the second elastic wheel assembly 7 is as follows: the second roller 74 is stopped against the inner wall of the box body 1, the second guide post 72a of the second movable seat 72 is telescopic in the second round sleeve 71a of the second fixed seat 71, and meanwhile, the third spring 73 is always kept in a compressed state to provide acting force for stopping the second roller 74 against the box body 1.

In some embodiments, as shown in fig. 3, 4, and 10, the mounting bracket 3 includes a rear wall plate 31, a top wall plate 32, and a bottom wall plate 33, the top wall plate 32 is connected to the top end of the rear wall plate 31, the bottom wall plate 33 is connected to the bottom end of the rear wall plate 31, a set of second resilient wheel assemblies 7 is respectively disposed on left and right sides of the top wall plate 32, a set of second resilient wheel assemblies 7 is respectively disposed on left and right sides of the bottom wall plate 33, a plurality of sets of guide rails 8 are disposed on the rear wall plate 31, two guide rails 8 are disposed along the left and right direction, a guide groove 8a is disposed on each guide rail 8, a mounting plate 9 is disposed between two guide rails 8 of each set, and two ends of the mounting plate 9 are fitted in the guide grooves 8 a.

The working principle is as follows: after the mounting bracket 3 is moved out of the box body 1, for further facilitating the installation of the electrical element, the mounting plate 9 can be pulled out along the guide groove 8a, so that the mounting plate 9 extends out of the mounting bracket 3, and the electrical element can be more conveniently installed. Each mounting plate 9 may be used to mount electrical components to provide more mounting locations.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

As shown in fig. 1 to 14, the telescopic combined power distribution cabinet easy to assemble of the invention is used:

by triggering a switch outside the box body 1, the motor 411 can be started, the motor 411 drives the first belt wheel 412 to rotate, and power is transmitted to the second belt wheel 413 through the first belt 414, so that the lead screw 4211 rotates. When the screw 4211 rotates, on one hand, the moving block 4212 is driven to move downwards, so that the connecting rod 4213 swings forwards and upwards while moving downwards along with the moving block 4212, the second sliding block 3b at the bottom of the mounting bracket 3 is pushed to move forwards along the second sliding groove 12a, the first elastic wheel assembly 5 moves out of the box body 1, and the front end of the mounting bracket 3 is stably supported on the ground through the first roller 54.

On the other hand, the screw 4211 drives the fourth pulley 4224 thereon to rotate, the power is transmitted to the left and right third pulleys 4223 through the second belt 4225, the third pulley 4223 drives the lower gear 4222 to rotate, and then the third slider 4221a on the rack 4221 is driven to move forward on the third chute 13a, so that the top end of the mounting bracket 3 moves forward under stress.

In the process of forward movement of the mounting bracket 3, the mounting seat 3b can apply a force on the left and right elastic push rod assemblies 431, the first connecting rod 4311 rotates relative to the mounting seat 3b, and the second connecting rod 4312 rotates relative to the switch door 2, so that the switch door 2 is turned outwards to be opened. By arranging the long cylindrical sleeve 4311a and the long cylindrical column 4312a, the second connecting rod 4312 and the first connecting rod 4311 can move relatively, and when the door 2 is opened, the second spring 4313 is compressed and the second connecting rod 4312 extends and retracts on the first connecting rod 4311, so that the interference between the mounting bracket 3 and the door 2 can be avoided.

Both ends are equipped with second elastic wheel subassembly 7 about installing support 3, and the second elastic wheel subassembly 7 of every end is two sets of from top to bottom, and every group is two along spaced apart setting of fore-and-aft direction, can make installing support 3 control both ends and support tightly on the inner wall of box 1 all the time like this, improve installing support 3's stability. When the mounting bracket 3 is completely extended out of the cabinet 1, the mounting plate 9 can be pulled out along the guide groove 8a, thereby mounting the electric components on the mounting plate 9.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, for example, as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a telescopic combination switch board of easy assembly which characterized in that includes:

the refrigerator comprises a refrigerator body (1), wherein an opening (1 a) is formed in the front side of the refrigerator body (1), and two switch doors (2) are rotatably connected in the opening (1 a);

the mounting bracket (3) is movably arranged in the box body (1) along the front-back direction;

actuating mechanism (4), actuating mechanism (4) are established in box (1), actuating mechanism (4) include drive assembly (41), first linkage subassembly (42), second linkage subassembly (43), establish first linkage subassembly (42) drive assembly (41) with between installing support (3), in order to make under driving assembly (41) driving support (3) shift out box (1), establish second linkage subassembly (43) installing support (3) and two between switch door (2), in order to make two under driving support (3) driving switch door (2) outwards open.

2. The retractable combined power distribution cabinet easy to assemble according to claim 1, wherein the driving assembly (41) comprises a motor (411), a first belt wheel (412), a second belt wheel (413) and a first belt (414), the motor (411) is arranged on the cabinet (1), the first belt wheel (412) is arranged on a motor shaft of the motor (411), one end of the first belt (414) is sleeved on the first belt wheel (412) and the other end is sleeved on the second belt wheel (413), and the second belt wheel (413) is connected with the first linkage assembly (42).

3. The easy-to-assemble telescopic combined power distribution cabinet according to claim 2, wherein the first linkage assembly (42) comprises a bottom pushing assembly (421), the bottom pushing assembly (421) comprises a lead screw (4211), a moving block (4212) and a connecting rod (4213), the lead screw (4211) is rotatably arranged on the box body (1) and connected with the second belt wheel (413), the moving block (4212) is arranged on the lead screw (4211), first sliding blocks (4212 a) are arranged at the left end and the right end of the moving block (4212), two first sliding rails (11) are arranged on the box body (1), first sliding grooves (11 a) extending in the up-and-down direction are arranged on the first sliding rails (11), the first sliding grooves (11 a) are matched on the first sliding blocks (4212 a), and first hinged seats (4212 b) are arranged on the moving block (4212), the lower extreme of installing support (3) is equipped with articulated seat of second (3 a), the one end of connecting rod (4213) is rotated and is connected on articulated seat of first (4212 b), and the other end is rotated and is connected articulated on seat of second (3 a).

4. The retractable combined power distribution cabinet easy to assemble according to claim 3, wherein the left and right ends of the bottom of the mounting bracket (3) are provided with second sliding blocks (3 b) extending in the front-rear direction, the left and right ends of the inner bottom wall of the box body (1) are provided with second sliding rails (12), the second sliding rails (12) are provided with second sliding grooves (12 a) extending in the front-rear direction, and the second sliding grooves (12 a) are matched with the second sliding blocks (3 b).

5. The retractable combined power distribution cabinet easy to assemble according to claim 4, wherein the bottom of the mounting bracket (3) is provided with first elastic wheel assemblies (5) at left and right ends, the first elastic wheel assemblies (5) comprise first fixed seats (51), first movable seats (52), first springs (53) and first rollers (54), the first fixed seats (51) are arranged on the mounting bracket (3), the first fixed seats (51) are provided with first round sleeves (51 a) arranged along a vertical direction, the first movable seats (52) are provided with first guide pillars (52 a), the first guide pillars (52 a) are arranged in the first round sleeves (51 a), the first rollers (54) are rotatably connected to the first movable seats (52), the first springs (53) are sleeved in the first round sleeves (51 a), one end of the first spring (53) is connected with the first fixed seat (51), and the other end of the first spring is connected with the first movable seat (52).

6. The retractable combined power distribution cabinet easy to assemble according to claim 5, wherein a support table (6) is arranged at the bottom of the cabinet (1), the first roller (54) is stopped against the support table (6), and a guide slope (6 a) is arranged at the front end of the support table (6).

7. The easily-assembled telescopic combined power distribution cabinet according to claim 3, wherein the first linkage assembly (42) further comprises a top pushing assembly (422), the top pushing assembly (422) comprises a rack (4221), a gear (4222), a third belt wheel (4223), a fourth belt wheel (4224) and a second belt (4225), the rack (4221) is arranged at the left end and the right end of the mounting bracket (3), a third sliding block (4221 a) is arranged at the top of the rack (4221), a third sliding rail (13) is arranged on the inner top wall of the box body (1), a third sliding groove (13 a) is arranged on the third sliding rail (13), the third sliding groove (13 a) is matched on the third sliding block (4221 a), the gears (4222) are two and are rotatably connected to the box body (1), and the two gears (4222) are respectively engaged with the left rack (4221) and the right rack (4221), the third belt wheel (4223) is arranged on the shaft of each gear (4222), the fourth belt wheel (4224) is arranged on the screw rod (4211), and the second belt (4225) is sleeved on the fourth belt wheel (4224) and the two third belt wheels (4223).

8. The retractable combined power distribution cabinet easy to assemble according to claim 1, wherein the second linkage assembly (43) comprises two elastic push rod assemblies (431), the top of the mounting bracket (3) is provided with a mounting seat (3 b), one end of one of the two elastic push rod assemblies (431) is connected with the mounting seat (3 b), the other end of the one of the two elastic push rod assemblies is connected with the switch door (2) on the left side, one end of the other one of the two elastic push rod assemblies is connected with the mounting seat (3 b), the other end of the one of the two elastic push rod assemblies is connected with the switch door (2) on the right side, the elastic push rod assemblies (431) comprise a first connecting rod (4311), a second connecting rod (4312) and a second spring (4313), the first connecting rod (4311) is hinged on the mounting seat (3 b), the first connecting rod (4311) is provided with a long cylindrical sleeve (4311 a), the second connecting rod (4312) is provided with a long cylindrical sleeve (4312 a), the long cylinder (4312 a) is arranged in the long cylinder sleeve (4311 a), a third hinged seat (2 a) is arranged on the switch door (2), a second connecting rod (4312) is hinged to the third hinged seat (2 a), a first baffle (4312 b) is arranged on the second connecting rod (4312), a second baffle (4311 b) is arranged on the first connecting rod (4311), a second spring (4313) is sleeved on the long cylinder sleeve (4311 a), one end of the second spring (4313) is abutted to the first baffle (4312 b), and the other end of the second spring (4313) is abutted to the second baffle (4311 b).

9. The telescopic combined power distribution cabinet easy to assemble according to claim 1, wherein the left and right ends of the mounting bracket (3) are provided with second elastic wheel assemblies (7), the second elastic wheel assemblies (7) at each end are provided with an upper group and a lower group, and each group is two groups which are arranged at intervals along the front and rear direction,

the second elastic wheel assembly (7) comprises a second fixed seat (71), a second movable seat (72), a third spring (73) and a second roller (74), the second fixed seat (71) is arranged on the mounting support (3), a second round sleeve (71 a) is arranged on the second fixed seat (71) along the left-right direction, a second guide pillar (72 a) is arranged on the second movable seat (72), the second guide pillar (72 a) is arranged in the second round sleeve (71 a), the second roller (74) is rotatably connected to the second movable seat (72), the third spring (73) is sleeved in the second round sleeve (71 a), one end of the third spring (73) is connected to the second fixed seat (71), and the other end of the third spring is connected to the second movable seat (72).

10. The easily assembled telescopic combined power distribution cabinet according to claim 9, wherein the mounting bracket (3) comprises a rear wall plate (31), a top wall plate (32) and a bottom wall plate (33), the top wall plate (32) is connected to the top end of the rear wall plate (31), the bottom wall plate (33) is connected to the bottom end of the rear wall plate (31), the left side and the right side of the top wall plate (32) are respectively provided with a set of the second elastic wheel assemblies (7), the left side and the right side of the bottom wall plate (33) are respectively provided with a set of the second elastic wheel assemblies (7),

be equipped with multiunit guide rail (8) on back wallboard (31), every group guide rail (8) are established to two, every along the left right direction be equipped with guide slot (8 a) on guide rail (8), two of every group be equipped with mounting panel (9) between guide rail (8), the both ends cooperation of mounting panel (9) is in guide slot (8 a).