CN114530817A

CN114530817A - Multifunctional cable branch box

Info

Publication number: CN114530817A
Application number: CN202210139436.3A
Authority: CN
Inventors: 熊毅贤
Original assignee: Jiangxi Junlang Electric Power Equipment Co ltd
Current assignee: Jiangxi Junlang Electric Power Equipment Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-05-24
Anticipated expiration: 2042-02-16
Also published as: CN114530817B

Abstract

The invention relates to a branch box, in particular to a multifunctional cable branch box. The multifunctional cable branch box can shield the vent on the protective box and effectively prevent rainwater from entering the protective box. A multifunctional cable breakout box comprising: the protective box is placed at the top of the supporting plate; the left side and the right side of the front side surface of the protective box are both provided with first protective plates in a sliding mode, and the two first protective plates are in contact; the middle parts of the left side and the right side of the protective box are rotatably provided with the rotating plates; fixing mechanism, the inside fixing mechanism who is used for preventing that first guard plate from removing at will and opening that is equipped with of guard box. Under normal conditions, the fixture block blocks first guard plate for first guard plate can't remove at will, and the electrical components in the protective housing can not be protected by first guard plate by external natural environment's influence, and first guard plate removes and opens, and the people of being convenient for overhaul electrical components.

Description

Multifunctional cable branch box

Technical Field

The invention relates to a branch box, in particular to a multifunctional cable branch box.

Background

The cable branch box is only used as a cable branch, the cable branch box mainly has the function of cable tapping or cable switching, the cable branching or cable switching is mainly realized, and along with the development of the cabling process of the power distribution network, when the independent load distribution with small capacity is concentrated, the branch box can be used for connecting the multiple branches of the electric wires and the cables.

A cable branch box in the prior art generally comprises a supporting plate, a protective box, first protective plates, rotating plates and ventilation openings, wherein the protective box is placed at the top of the supporting plate, the first protective plates are arranged on the left side and the right side of the front side surface of the protective box in a sliding mode and are in contact with the first protective plates, the rotating plates are arranged in the middle of the left side and the right side of the protective box in a rotating mode, four wiring holes are formed in the left side and the right side of the protective box, thirty-three ventilation openings are formed in the top of the protective box, after an electric element in the protective box works for a long time, the heat generated by the electric element can be increased, the heat covers the protective box, the heat generated by the electric element is discharged through the ventilation openings in the protective box, the phenomenon that the work of the electric element is influenced by overhigh temperature is effectively prevented, but the device can not shield the ventilation openings in the protective box, and therefore, when the weather is overcast and rainy, rainwater easily enters the protective box through the ventilation opening to influence electrical elements.

The utility model provides a can shelter from the vent on the protective housing in view of above-mentioned problem, effectively prevent that the rainwater from getting into the multifunctional cable feeder pillar in the protective housing.

Disclosure of Invention

In order to overcome the defect that rainwater easily enters the protective box through the vent to influence electrical elements in rainy weather because the vent on the protective box cannot be shielded by the device, the technical problem of the invention is as follows: the utility model provides a can shelter from the vent on the protective housing, effectively prevent that the rainwater from getting into the multifunctional cable feeder pillar in the protective housing.

The invention is technically characterized in that: the technical implementation scheme of the invention is as follows: a multi-function cable breakout enclosure, comprising:

the protective box is arranged at the top of the supporting plate;

the left side and the right side of the front side surface of the protective box are both provided with first protective plates in a sliding mode, and the two first protective plates are in contact;

the middle parts of the left side and the right side of the protective box are rotatably provided with the rotating plates;

the fixing mechanism is arranged in the protective box and used for preventing the first protective plates from moving and opening at will, and the fixing mechanism is matched with the two first protective plates;

the top of the protection box is provided with a protection mechanism used for protecting the electrical components from being influenced by the external environment.

More preferably, the fixing mechanism includes:

the upper side and the lower side of the front side surface in the protective box are respectively provided with a guide rod;

the upper side and the lower side of the rear side surfaces of the two first protection plates are respectively provided with four first connecting blocks, and the four first connecting blocks are connected with the guide rods on the same side in a sliding manner;

the compression springs are arranged between the two first connecting blocks on the same side and are respectively wound on the guide rods on the same side;

the pull rod is arranged at the front side of the top of the protective box in a sliding manner;

the clamping block is arranged at the bottom of the pull rod and is in contact with the two first protection plates, and the clamping block clamps the two first protection plates;

first reset spring is equipped with first reset spring between fixture block and the protective housing.

More preferably, the guard mechanism includes:

the top of the protective box is provided with a protective seat;

the left side and the right side of the top of the protective box are respectively provided with a fixed block;

the two fixed blocks are respectively provided with a rotating shaft in a rotating manner;

the two rotating shafts are provided with a first protection plate, and the two first protection plates are in contact;

and four torsion springs are arranged between the two rotating shafts and the fixing block on the same side, and are respectively wound on the rotating shafts on the same side.

More preferably, the elevator further comprises an elevating mechanism, and the elevating mechanism comprises:

the lower parts of the left side and the right side of the protective box are respectively provided with a first limiting block;

the left side and the right side of the top of the supporting plate are symmetrically provided with second limiting blocks in the front-back direction, and the four second limiting blocks are in contact with the first limiting blocks on the same side;

the left side and the right side of the top of the supporting plate are both provided with air cylinders, and the two air cylinders are both in contact with the protective box;

the two air cylinder piston rods are respectively provided with a push rod;

the front side and the rear side of the inner lower parts of the two first limiting blocks are provided with four first sliding blocks in a sliding manner;

the four second limiting blocks are internally provided with four second sliding blocks in a sliding manner, and the number of the second sliding blocks is four;

the second connecting block, equal rotary type are equipped with the second connecting block between the second slider of four first sliders and homonymy, and two catch bars are connected with two second sliders of homonymy.

More preferably, still include stop gear, stop gear includes:

the lower parts of the left side and the right side of the protective box are provided with guide blocks through bolts;

the front side and the rear side of the inner parts of the two guide blocks are provided with ratchet bars in a sliding way, and the number of the ratchet bars is four;

the inner side surfaces of the four ratchet bars are provided with third connecting blocks;

four second return springs are arranged between the two third connecting blocks on the same side, and the number of the second return springs is eight;

the inner side surfaces of the four first sliding blocks are provided with clamping teeth in a sliding mode, the number of the clamping teeth is four, and the four clamping teeth move upwards to be in contact with the ratchet bar on the same side;

and the first return springs are arranged between the four clamping teeth and the first sliding block at the same side.

More preferably, the device further comprises a pressing mechanism, and the pressing mechanism comprises:

the upper parts of the rear sides of the two first protection plates are respectively provided with a first pressure lever;

the upper and lower sides of the inner side surfaces of the four ratchet bars are respectively provided with a first connecting rod;

the two first pressure rods move outwards to be in contact with the second connecting rod;

the left side and the right side of the bottoms of the two second connecting rods are respectively provided with a second pressure rod, and the two second pressure rods are in contact with the first connecting rods on the same side;

and two second return springs are arranged between the second connecting rod and the protective box.

More preferably, the apparatus further comprises a heat dissipation mechanism, wherein the heat dissipation mechanism comprises:

the temperature sensors are symmetrically arranged on the left side and the right side of the inner wall of the protective box from top to bottom;

the four motors are symmetrically arranged on the upper side and the lower side of the interior of the protective box in the front-back direction, and the four temperature sensors are electrically connected with the motors on the same side;

the fan blades are arranged on the output shafts of the four motors;

the protection frame is symmetrically arranged on the upper side and the lower side of the interior of the protection box, the number of the protection frames is four, and the four fan blades are located in the protection frame on the same side.

More preferably, the second protection plate is provided with electricity-proof marks.

The beneficial effect after adopting above-mentioned technical scheme is: 1. in a normal state, the clamping block clamps the first protection plate, so that the first protection plate cannot move randomly, the first protection plate can protect electrical elements in the protection box from being influenced by the external natural environment, and the first protection plate is opened in a moving mode, so that people can conveniently overhaul the electrical elements;

2. the second protection plate can prevent rainwater from directly or indirectly entering the protection box to influence electrical elements in the protection box, and the protection seat is used for increasing protection on a ventilation opening in the protection box so that the rainwater cannot enter the protection box;

3. the first limiting block drives the protective box to lift through the expansion of the air cylinder, the lifted protective box can prevent the influence of accumulated water on electrical elements, and the lowered protective box can enable the electrical elements to work more stably;

4. the temperature rise in the temperature-sensing ware response protective housing to the heat that electrical components produced in the protective housing is carried out the heat of fanning, makes the work of carrying on that electrical components is more firm, increases electrical components's life.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial cross-sectional view of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of the fixing mechanism of the present invention.

Fig. 5 is a partial cross-sectional view of the securing mechanism of the present invention.

Fig. 6 is an enlarged view of a portion a of the present invention.

Fig. 7 is a schematic perspective view of the protection mechanism of the present invention.

Fig. 8 is an enlarged view of part B of the present invention.

Fig. 9 is a schematic perspective view of the lifting mechanism of the present invention.

Fig. 10 is a partial sectional view of the elevating mechanism of the present invention.

Fig. 11 is a schematic perspective view of the locking mechanism of the present invention.

Fig. 12 is a partial cross-sectional view of the detent mechanism of the present invention.

Fig. 13 is an enlarged view of the portion C of the present invention.

Fig. 14 is a schematic perspective view of the pressing mechanism of the present invention.

Fig. 15 is an enlarged view of portion D of the present invention.

Fig. 16 is a schematic perspective view of a heat dissipation mechanism according to the present invention.

The parts are labeled as follows: 1. a supporting plate, 2, a protective box, 3, a first protective plate, 4, a rotating plate, 5, a ventilation opening, 6, a fixing mechanism, 60, a guide rod, 61, a first connecting block, 62, a compression spring, 63, a pull rod, 64, a clamping block, 65, a first return spring, 7, a protective mechanism, 70, a protective seat, 71, a fixed block, 72, a second protective plate, 73, a rotating shaft, 74, a torsion spring, 8, a lifting mechanism, 80, a first limiting block, 81, a second limiting block, 82, a cylinder, 83, a second connecting block, 84, a first sliding block, 85, a second sliding block, 86, a push rod, 9, a limiting mechanism, 90, a guide block, 91, a ratchet bar, 92, a third connecting block, 93, a second return spring, 94, a clamping tooth, 95, a first return spring, 10, a pressing mechanism, 100, a first pressing rod, 101, a first connecting rod, 102, a second pressing rod, 103, and a second connecting rod, 104. the fan comprises a second return spring 11, a heat dissipation mechanism 110, a temperature sensor 111, a motor 112, a protection frame 113 and fan blades.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A multifunctional cable branch box is shown in figures 1-8 and comprises a support plate 1, a protective box 2, first protective plates 3, rotating plates 4, ventilation openings 5, a fixing mechanism 6 and a protective mechanism 7, wherein the protective box 2 is placed at the top of the support plate 1, the first protective plates 3 are arranged on the left side and the right side of the front side surface of the protective box 2 in a sliding mode, the two first protective plates 3 are in contact, the rotating plates 4 are rotatably arranged in the middle parts of the left side and the right side of the protective box 2, four wiring holes are formed in the left side and the right side of the protective box 2, thirty-three ventilation openings 5 are formed in the top of the protective box 2, used for discharging heat generated by electrical elements in the protective box 2, a fixing mechanism 6 is arranged in the protective box 2, the fixing mechanism 6 is matched with the two first protective plates 3, the protection device is used for preventing the first protection plate 3 from being randomly moved and opened, and the protection mechanism 7 is arranged at the top of the protection box 2 and used for protecting electrical elements in the protection box 2 from being influenced by the external environment.

As shown in fig. 1, 4, 5 and 6, the fixing mechanism 6 includes a guide bar 60, a first connecting block 61, compression spring 62, pull rod 63, fixture block 64 and first reset spring 65, the upper and lower both sides of the inside leading flank of protective box 2 all are equipped with guide bar 60, the upper and lower both sides of two 3 trailing flanks of first guard plate all are equipped with first connecting block 61, first connecting block 61 is total four, four first connecting blocks 61 are connected with the guide bar 60 slidingtype of homonymy, all be equipped with compression spring 62 between two first connecting blocks 61 of homonymy, two compression spring 62 are around connecting on the guide bar 60 of homonymy respectively, 2 top front sideslips of protective box are moved and are equipped with pull rod 63, pull rod 63 bottom is equipped with fixture block 64, fixture block 64 and two 3 contacts of first guard plate, fixture block 64 carries out the chucking to two first guard plate 3, be equipped with first reset spring 65 between fixture block 64 and protective box 2.

As shown in fig. 1, fig. 2, fig. 7 and fig. 8, the protection mechanism 7 includes a protection seat 70, fixing blocks 71, second protection plates 72, a rotating shaft 73 and torsion springs 74, the protection seat 70 is disposed on the top of the protection box 2, the fixing blocks 71 are disposed on the left side and the right side of the top of the protection box 2, the rotating shaft 73 is disposed on each of the two fixing blocks 71 in a rotating manner, the second protection plates 72 are disposed on the two rotating shafts 73, the two second protection plates 72 are in contact with each other, electricity-proof marks are disposed on the two second protection plates 72 and used for warning people of an electric shock when the people feel attentive, two torsion springs 74 are disposed between the two rotating shafts 73 and the fixing blocks 71 on the same side, the torsion springs 74 are four in total, and the four torsion springs 74 are respectively wound on the rotating shafts 73 on the same side.

Initially, the clamping blocks 64 clamp the two first protection plates 3, the initial state of the compression spring 62 is a compression state, meanwhile, the two second protection plates 72 are in contact, in rainy days, rainwater flows along the inclined planes of the second protection plates 72, so that the rainwater is prevented from directly or indirectly entering the protection box 2 and affecting electrical elements in the protection box 2, the protection seat 70 is used for increasing protection on the ventilation openings 5 on the protection box 2, the rainwater is prevented from entering the protection box 2 through the ventilation openings 5 to cause short circuit of the electrical elements, when people need to use the multifunctional cable branch box, people firstly carry the device to a proper place, install the device on a specified position, after the installation work is completed, people pull the pull rod 63 to drive the clamping blocks 64 to move upwards to the side, the first reset spring 65 is compressed, the clamping blocks 64 move upwards to be separated from the contact with the first protection plates 3, under the reset action of the compression spring 62, the two first connecting blocks 61 move outwards, the first connecting blocks 61 drive the first protection plates 3 to move outwards, the first protection plates 3 on the two sides are far away from each other, the first protection plates 3 cannot block the protection box 2, people can rotate the rotating plate 4 to open, the rotating plate 4 cannot block the wiring holes of the protection box 2, then people insert the cables into the protection box 2 along the wiring holes and arrange the cables in the protection box 2 orderly, after the cables in the protection box 2 are arranged, people can push the first protection plates 3 to move inwards, the two first protection plates 3 are close to each other, the first protection plates 3 drive the first connecting blocks 61 to move inwards, the compression spring 62 is compressed, then people do not apply force to the pull rods 63 any more, under the reset action of the first reset spring 65, the clamping blocks 64 drive the pull rods 63 to move downwards to reset, the clamping block 64 clamps the first protection plate 3, so that the first protection plate 3 is not easy to move randomly, the first protection plate 3 can protect electric elements in the protection box 2 from being influenced by external environment, when the electric elements in the protection box 2 work for a long time, heat generated by the electric elements can be increased, the heat covers the protection box 2, the heat generated by the electric elements is discharged through the ventilation opening 5 on the protection box 2, in order to discharge the heat better, people rotate the second protection plate 72, the second protection plate 72 drives the rotating shaft 73 to rotate, the torsion spring 74 deforms, the two second protection plates 72 are not in contact, therefore, the heat discharge range is enlarged, after the inside of the protection box 2 reaches an appropriate temperature, people do not apply force to the second protection plate 72 any more, under the reset action of the torsion spring 74, the rotating shaft 73 drives the second protection plate 72 to rotate reversely to reset, two second guard plates 72 contact, and finally alright realize playing the effect of protection to the electrical components in protective housing 2, prevent that electrical components from receiving external natural environment's influence for electrical components is better carries out work.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 9, 10 and 11, the lifting device 8 further comprises a lifting mechanism 8, wherein the lifting mechanism 8 comprises a first limiting block 80, a second limiting block 81, an air cylinder 82, a second connecting block 83, a first sliding block 84, a second sliding block 85 and a pushing rod 86, the first limiting block 80 is arranged on the lower portion of the left side and the right side of the protection box 2, the second limiting blocks 81 are symmetrically arranged on the left side and the right side of the top of the supporting plate 1, the four second limiting blocks 81 are in contact with the first limiting blocks 80 on the same side, the air cylinders 82 are arranged on the left side and the right side of the top of the supporting plate 1, the two air cylinders 82 are in contact with the protection box 2, the pushing rod 86 is arranged on the piston rods of the two air cylinders 82, the first sliding blocks 84 are arranged on the front side and the back side of the lower portion of the two first limiting blocks 80 in a sliding manner, the first sliding manner is provided with four first sliding blocks 84, the second sliding blocks 85 are arranged inside the four second limiting blocks 81 in a sliding manner, the number of the second sliding blocks 85 is four, the second connecting blocks 83 are rotatably arranged between the four first sliding blocks 84 and the second sliding blocks 85 on the same side, and the two push rods 86 are connected with the two second sliding blocks 85 on the same side.

In rainy days, the surrounding environment of the device is easy to accumulate water, the accumulated water is easy to diffuse into the protection box 2, so that the accumulated water has a damp influence on the interior of the protection box 2, the damp protection box 2 easily causes short circuit of electrical components, at the moment, the protection box 2 is required to be lifted, the influence of the accumulated water on the interior of the protection box 2 is prevented, people start the air cylinder 82, control the piston rod of the air cylinder 82 to shorten, the piston rod of the air cylinder 82 drives the push rod 86 to move inwards, the push rod 86 drives the second sliding block 85 to move inwards along the second limiting block 81, the second sliding block 85 drives the second connecting block 83 to rotate and move upwards in the process of moving inwards, the second connecting block 83 drives the first sliding block 84 to move upwards along the first limiting block 80, when the first sliding block 84 moves upwards to the side and cannot move continuously, the first sliding block 84 pushes the first limiting block 80 to move upwards, the first limiting block 80 drives the protection box 2 to move upwards to the side, when the device is not provided with accumulated water on the periphery, the air cylinder 82 is started to control the piston rod of the air cylinder 82 to extend, the piston rod of the air cylinder 82 drives the push rod 86 to move outwards, the push rod 86 drives the second slider 85 to move outwards along the second limiting block 81, the second connecting block 83 is driven to rotate reversely in the outward movement process of the second slider 85, the second connecting block 83 drives the first slider 84 to move downwards along the first limiting block 80, so that the first limiting block 80 moves downwards, the first limiting block 80 drives the protection box 2 to move downwards, the protection box 2 moves downwards to be in contact with the supporting plate 1, and when the first limiting block 80 is in contact with the supporting plate 1 and cannot move downwards, the first slider 84 continues to move downwards along the first limiting block 80 to reset, second stopper 81 also removes and resets, and people just close cylinder 82 after that, so alright reach when overcast and rainy weather, for preventing that ponding from causing the influence to the electrical components in protective housing 2, just rise protective housing 2, and ponding is kept away from to protective housing 2, and ponding just can not cause the influence to the electrical components in protective housing 2, reduces electrical components and exposes in moist air, is difficult for taking place the short circuit.

As shown in fig. 1, 12 and 13, the protection box further includes a limiting mechanism 9, the limiting mechanism 9 includes guide blocks 90, ratchets 91, third connection blocks 92, second return springs 93, latches 94 and first return springs 95, the guide blocks 90 are mounted on the lower portions of the left and right sides of the protection box 2 through bolts, the ratchets 91 are slidably disposed on the front and rear sides inside the two guide blocks 90, the total number of the ratchets 91 is four, the third connection blocks 92 are disposed on the inner side surfaces of the four ratchets 91, the four second return springs 93 are disposed between the two third connection blocks 92 on the same side, the total number of the second return springs 93 is eight, the latches 94 are slidably disposed on the inner side surfaces of the four first sliders 84, the total number of the latches 94 is four, the four latches 94 move upward to contact the ratchets 91 on the same side, and the first return springs 95 are disposed between the four latches 94 and the first sliders 84 on the same side.

When the user starts the air cylinder 82, the piston rod of the air cylinder 82 drives the pushing rod 86 to move inwards, the pushing rod 86 drives the second slider 85 to move inwards along the second limiting block 81, the second limiting block 81 drives the second connecting block 83 to rotate and move upwards in the process of moving inwards, the second connecting block 83 drives the first slider 84 to move upwards, meanwhile, the first slider 84 drives the latch 94 to move upwards, the latch 94 moves upwards to contact with the ratchet bar 91, the first return spring 95 plays a buffering role, the latch 94 presses the ratchet bar 91, the ratchet bar 91 moves inwards, the ratchet bar 91 drives the third connecting block 92 to move inwards, the second return spring 93 is compressed, when the first slider 84 moves upwards to the side and cannot move, under the reset action of the second return spring 93, the ratchet bar 91 moves outwards, and the ratchet bar 91 clamps the latch 94, so that the first sliding block 84 is not easy to move downwards, the first sliding block 84 drives the first limiting block 80 to move upwards, the first limiting block 80 drives the protective box 2 to move upwards, meanwhile, the protective box 2 drives the guide block 90 to move upwards, the guide block 90 drives the ratchet bar 91 to move upwards, the ratchet bar 91 clamps the clamping teeth 94, the protective box 2 can be more stable when moving upwards, the air cylinder 82 has a stabilizing effect when leaking air, when no water is accumulated around the device, people can lower the protective box 2, people start the air cylinder 82, control the piston rod of the air cylinder 82 to extend, the piston rod of the air cylinder 82 drives the push rod 86 to move outwards, the push rod 86 drives the second sliding block 85 to move outwards along the second limiting block 81, the second sliding block 85 drives the second connecting block 83 to rotate backwards in the outward moving process, the second connecting block 83 drives the first sliding block 84 to move downwards, meanwhile, the first limiting block 80 moves downwards to drive the protective box 2 to move downwards, the protective box 2 drives the guide block 90 to move downwards, the guide block 90 drives the ratchet bar 91 to move downwards, the ratchet bar 91 drives the third connecting block 92 to move downwards, when the first limiting block 80 contacts the supporting plate 1 and cannot move downwards, the ratchet bar 91 is pulled inwards manually, the second return spring 93 is compressed, the first sliding block 84 continuously moves downwards along the first limiting block 80, meanwhile, the first sliding block 84 drives the clamping teeth 94 to move downwards, the clamping teeth 94 cannot be clamped by the ratchet bar 91, when the clamping teeth 94 are driven by the first sliding block 84 to move downwards to be separated from the ratchet bar 91, the ratchet bar 91 is released, the ratchet bar 91 is reset under the action of the second return spring 93, then, the air cylinder 82 is closed by people, and finally, the protective box 2 can move upwards, carry out the chucking to first slider 84 for first slider 84 and protective housing 2 can't remove at will, and protective housing 2's more firm rise can prevent to play stable effect when cylinder 82 takes place obstacle gas leakage simultaneously.

As shown in fig. 2, 14 and 15, the protection device further includes a pressing mechanism 10, the pressing mechanism 10 includes a first pressing rod 100, a first connecting rod 101, a second pressing rod 102, a second connecting rod 103 and a second return spring 104, the first pressing rod 100 is disposed on the upper portion of the rear side of each of the two first protection plates 3, the first connecting rods 101 are disposed on the upper and lower sides of the inner side surfaces of the four ratchet bars 91, the second connecting rod 103 is slidably disposed inside the protection box 2, the two first pressing rods 100 move outwards to contact the second connecting rod 103, the second pressing rods 102 are disposed on the left and right sides of the bottom of each of the two second connecting rods 103, the two second pressing rods 102 contact the first connecting rods 101 on the same side, and the two second return springs 104 are disposed between the second connecting rod 103 and the protection box 2.

When people pull the first protection plate 3 to move outwards, the first protection plate 3 drives the first pressure lever 100 to move outwards, the first pressure lever 100 moves outwards to extrude the second connecting rod 103, the second connecting rod 103 moves downwards, the second return spring 104 is compressed, the second connecting rod 103 drives the second pressure lever 102 to move downwards, the second pressure lever 102 moves downwards to extrude the first connecting rod 101, the first connecting rod 101 moves inwards, the first connecting rod 101 drives the ratchet bar 91 to move inwards, the ratchet bar 91 drives the third connecting block 92 to move inwards, the second return spring 93 is compressed, when the first sliding block 84 drives the latch 94 to move upwards, the latch 94 cannot contact with the ratchet bar 91, after the latch 94 moves upwards to a proper position, people pull the first protection plate 3 to move inwards to reset, the first protection plate 3 drives the first pressure lever 100 to move inwards to reset, the first pressure lever 100 is separated from the second connecting lever 103, the second connecting lever 103 moves upward to be reset under the reset action of the second return spring 104, the second connecting lever 103 drives the second pressure lever 102 to move upward, the second pressure lever 102 moves upward to be separated from the contact with the first connecting lever 101, under the reset action of the second return spring 93, the third connecting block 92 drives the ratchet bar 91 to move outward to be reset, the ratchet bar 91 moves outward to be in contact with the latch 94, the ratchet bar 91 clamps the latch 94, so that the latch 94 cannot move randomly, the ratchet bar 91 moves inward to not block the latch 94, the latch 94 can move upward to be conveniently clamped, after the latch 94 moves to a proper position, the ratchet bar 91 can clamp the latch 94, so that the stability of the protection box 2 is improved, and the step of pulling the first protection plate 3 can be repeated when the ratchet bar 91 moves downward, the latch 94 is prevented from being blocked by the ratchet bar 91 when moving downwards, and the ratchet bars 91 on two sides do not need to be pulled inwards manually by people, so that the operation is convenient.

As shown in fig. 2 and 16, still including heat dissipation mechanism 11, heat dissipation mechanism 11 is including temperature-sensing ware 110, motor 111, protection frame 112 and flabellum 113, the equal longitudinal symmetry in the 2 inner wall left and right sides of protection box is equipped with temperature-sensing ware 110, motor 111 is installed to the equal longitudinal symmetry in the inside upper and lower both sides of protection box 2, motor 111 is total four, four temperature-sensing ware 110 and the motor 111 electric connection of homonymy, all be equipped with flabellum 113 on the output shaft of four motors 111, the equal longitudinal symmetry in the inside upper and lower both sides of protection box 2 is equipped with protection frame 112, protection frame 112 is total four, four flabellums 113 are located homonymy protection frame 112's inside.

In summer, the temperature inside the protection box 2 is too high, thereby causing accelerated aging of electrical components, peeling or even electric leakage, and the current is influenced by the temperature in the transmission process, if the temperature is too high, the current transmission is unstable, the temperature of the electrical components is easy to rise, the heat can cover the protection box 2, after the temperature sensor 110 senses the temperature in the protection box 2, the temperature sensor 110 sends a signal, the lower temperature sensor 110 controls the output shaft of the lower motor 111 to rotate forward, the output shaft of the lower motor 111 drives the lower fan blades 113 to rotate, the lower fan blades 113 rotate to generate wind power, thereby blowing the heat upwards, so that the heat in the protection box 2 is blown to the upper part, meanwhile, the upper temperature sensor 110 controls the output shaft of the upper motor 111 to rotate reversely, the output shaft of the upper motor 111 drives the upper fan blades 113 to rotate reversely, the upper fan blades 113 rotate reversely to generate suction, and the upper fan blades 113 suck the heat in the protection box 2, the heat just discharges through vent 5, from this the temperature in protective housing 2 just reduces, electrical components life increases, it is difficult ageing, treat that temperature-sensing ware 110 senses the temperature reduction back in protective housing 2, temperature-sensing ware 110 just controls motor 111 and closes, make flabellum 113 stall, finally alright realize carrying out the heat of fanning to the heat that electrical components produced in protective housing 2, prevent too high temperature influence electrical components work, lead to electrical components easy ageing.

The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.

Claims

1. A multifunctional cable branch box is characterized by comprising:

the protective box (2) is arranged at the top of the supporting plate (1);

the left side and the right side of the front side surface of the protective box (2) are both provided with the first protective plates (3) in a sliding manner, and the two first protective plates (3) are in contact;

the middle parts of the left side and the right side of the protective box (2) are respectively and rotatably provided with the rotating plates (4);

the fixing mechanism (6) is arranged in the protective box (2) and used for preventing the first protective plates (3) from being opened randomly, and the fixing mechanism (6) is matched with the two first protective plates (3);

the top of the protective box (2) is provided with a protective mechanism (7) used for protecting the electrical elements from being influenced by the external environment.

2. A multifunctional cable branch box according to claim 1, wherein the fixing mechanism (6) comprises:

the upper side and the lower side of the front side surface in the protective box (2) are respectively provided with a guide rod (60);

the upper side and the lower side of the rear side surfaces of the two first protection plates (3) are respectively provided with four first connecting blocks (61), and the four first connecting blocks (61) are connected with the guide rods (60) on the same side in a sliding manner;

the compression springs (62) are arranged between the two first connecting blocks (61) on the same side, and the two compression springs (62) are respectively wound on the guide rods (60) on the same side;

the pull rod (63) is arranged at the front side of the top of the protective box (2) in a sliding manner;

the clamping blocks (64) are arranged at the bottoms of the pull rods (63), the clamping blocks (64) are in contact with the two first protection plates (3), and the clamping blocks (64) clamp the two first protection plates (3);

a first return spring (65), and a first return spring (65) is arranged between the clamping block (64) and the protective box (2).

3. A multifunctional cable branch box according to claim 2, wherein the protection mechanism (7) comprises:

the top of the protective box (2) is provided with a protective seat (70);

the left side and the right side of the top of the protective box (2) are provided with the fixed blocks (71);

the rotating shafts (73) are rotatably arranged on the two fixed blocks (71);

the two rotating shafts (73) are respectively provided with a second protection plate (72), and the two second protection plates (72) are in contact;

two torsion springs (74) are arranged between the two rotating shafts (73) and the fixing block (71) on the same side, the number of the torsion springs (74) is four, and the four torsion springs (74) are respectively wound on the rotating shafts (73) on the same side.

4. A multifunctional cable branch box according to claim 3, further comprising a lifting mechanism (8), wherein the lifting mechanism (8) comprises:

the lower parts of the left side and the right side of the protective box (2) are respectively provided with a first limiting block (80);

the left side and the right side of the top of the supporting plate (1) are symmetrically provided with second limiting blocks (81) in a front-back mode, and the four second limiting blocks (81) are in contact with the first limiting blocks (80) on the same side;

the air cylinders (82) are mounted on the left side and the right side of the top of the supporting plate (1), and the two air cylinders (82) are in contact with the protective box (2);

the piston rods of the two cylinders (82) are provided with push rods (86);

the front side and the rear side of the inner lower parts of the two first limiting blocks (80) are both provided with first sliding blocks (84) in a sliding manner, and the number of the first sliding blocks (84) is four;

the second sliding blocks (85) are arranged inside the four second limiting blocks (81) in a sliding mode, and the number of the second sliding blocks (85) is four;

the four first sliding blocks (84) and the second sliding blocks (85) on the same side are rotatably provided with the second connecting blocks (83), and the two push rods (86) are connected with the two second sliding blocks (85) on the same side.

5. The multifunctional cable branch box according to claim 4, further comprising a limiting mechanism (9), wherein the limiting mechanism (9) comprises:

the lower parts of the left side and the right side of the protective box (2) are provided with the guide blocks (90) through bolts;

the front side and the rear side of the interior of the two guide blocks (90) are both provided with the ratchet bars (91) in a sliding manner, and the number of the ratchet bars (91) is four;

the inner side surfaces of the four ratchet bars (91) are respectively provided with a third connecting block (92);

four second return springs (93) are arranged between the two third connecting blocks (92) on the same side, and the number of the second return springs (93) is eight;

the inner side surfaces of the four first sliding blocks (84) are provided with clamping teeth (94) in a sliding mode, the number of the clamping teeth (94) is four, and the four clamping teeth (94) move upwards to be in contact with the ratchet bar (91) on the same side;

and the first return spring (95) is arranged between the four latch teeth (94) and the first sliding block (84) on the same side.

6. The multifunctional cable branch box according to claim 5, further comprising a pressing mechanism (10), wherein the pressing mechanism (10) comprises:

the upper parts of the rear sides of the two first protection plates (3) are respectively provided with a first pressure lever (100);

the upper side and the lower side of the inner side surfaces of the four ratchet bars (91) are respectively provided with a first connecting rod (101);

a second connecting rod (103), two second connecting rods (103) are arranged inside the protective box (2) in a sliding way

The first pressure lever (100) moves outwards to be in contact with the second connecting rod (103);

the left side and the right side of the bottoms of the two second connecting rods (103) are respectively provided with the second pressure rods (102), and the two second pressure rods (102) are in contact with the first connecting rods (101) on the same side;

two second return springs (104) are arranged between the second connecting rod (103) and the protective box (2).

7. The multifunctional cable branch box according to claim 6, further comprising a heat dissipation mechanism (11), wherein the heat dissipation mechanism (11) comprises:

the temperature sensors (110) are symmetrically arranged on the left side and the right side of the inner wall of the protective box (2) from top to bottom;

the four temperature sensors (110) are electrically connected with the motor (111) on the same side;

the fan blades (113) are arranged on the output shafts of the four motors (111);

the protection frame (112) is symmetrically arranged on the upper side and the lower side of the interior of the protection box (2) in the front-back direction, the number of the protection frames (112) is four, and the four fan blades (113) are located in the protection frame (112) on the same side.

8. A multifunctional cable branch box according to claim 3 wherein the second protective plate (72) is provided with electricity-proof marks.