CN207269110U - A kind of cover for distribution box - Google Patents

Abstract

The utility model discloses a kind of cover for distribution box, belong to controller switching equipment technical field, including panel and cover board, panel is equipped with observation window, the top of panel is rotationally connected with the top of cover board and for being opened and closed observation window, both sides at the top of cover board are equipped with hinge column, both sides at the top of panel are equipped with the hinge hole for hinge column insertion, the outer wall of the hinge column is equipped with limiting section, hinge hole inner wall is equipped with retainer, limiting section and retainer coordinate the slewing area for being used for limiting cover board, the supporting item that cover board is used to support when cover board turns to extreme higher position is equipped with the top of panel.Cover provided by the utility model for distribution box, can make cover board relative to panel be maintained at stable location status after opening, be installed or overhauled easy to staff, be conducive to improve work efficiency and safeguard work security.

Description

A kind of cover for distribution box

Technical field

It the utility model is related to controller switching equipment technical field, more particularly to a kind of cover for distribution box.

Background technology

Distribution box be it is a kind of be used for reasonable distribution electric energy, conveniently to circuit carry out switching action, have higher security protection Grade and can display circuit conducting state directly perceived electric power box, distribution box is by switchgear, measuring instrument by electrical wiring requirement Table, protection electric appliance and ancillary equipment are assembled in closing or semiclosed metal safe or in screen width, form low-tension distribution box.Normal fortune It can connect or disjunction circuit, break down or during irregular operating by protection electric appliance by manual switch or automatic switch during row Cut off circuit or alarm.By that can show running various parameters during measuring instrumentss, some parameters can also be adjusted, Signal is prompted or is sent to deviateing normal operating conditions.

Existing distribution box generally comprises babinet, cover and host, a side opening of babinet, and host is arranged in babinet.Face Plate is generally made of panel and cover board, and the observation window for observing host is opened up on panel, and panel is fixed on babinet by screw Open side, cover board be rotatably installed on panel realize opening and closing observation window purpose.Existing cover board is generally by columned Hinge column is rotatablely installed on panel, and when cover board uses upper-turn-type mounting means, cover board relies on cover board and face after opening up Frictional force between plate makes cover board be maintained at a certain position.When cover is subject to slight vibration, cover board is easily under the effect of gravity Rotate down.Staff is when installing or overhauling distribution box, in order to make cover board relative to being maintained at a certain position after panel opening Put, staff need to vacate one it is hand steered live cover board so that cover board is maintained at specific position relative to panel, so work Personnel are not easy to be operated, and operating efficiency is low, and there are certain risk during operation.

Utility model content

In order to solve above-mentioned shortcoming and defect existing in the prior art, the utility model provides one kind and can be beaten in cover board Cover board is set to be maintained at the cover for distribution box of certain position relative to panel after opening.

In order to realize above-mentioned technical purpose, the cover provided by the utility model for distribution box, including panel and cover board, Panel is equipped with observation window, the top of panel is rotationally connected with the top of cover board and for being opened and closed observation window, and two at the top of cover board Side is equipped with hinge column, and the both sides at the top of panel are equipped with the hinge hole for hinge column insertion, are set on the outer wall of the hinge column There is limiting section, hinge hole inner wall is equipped with retainer, and limiting section and retainer coordinate the slewing area for being used for limiting cover board, spacing Limited step is equipped between the one end in portion and hinge column, one end of retainer is equipped with the stop surface coordinated with limited step, cover board Turn to and extreme higher position is in when limited step is contacted with stop surface, be equipped with the top of panel and used when cover board turns to extreme higher position In the supporting item of support cover board.

Preferably, it is equipped between the other end and hinge column of the limiting section and resets step, the other end of retainer is equipped with The reset surface coordinated with resetting step, cover board, which turns to, to be resetted when step is contacted with reset surface in vertical.

Preferably, the limiting section and retainer are arc-shaped, and the central angle of limiting section is α, and the central angle of retainer is β, α=β=120 °, and stop surface and reset surface are symmetrical arranged on vertical direction.

Preferably, the hinge column, limiting section and cover board are integrally formed, and hinge column is equipped with shrinkage pool, the retainer It is integrally formed with panel.

Preferably, the supporting item is equipped with support arm, and support arm is equipped with indent and smooth support curved surface, on panel Equipped with the convex ribs positioned at the top of support curved surface and for blocking cover board.

Preferably, the support arm includes support arm body and flexible fixture block, and support arm body is equipped with and card The card slot of Block- matching, fixture block are arranged in support arm body by the cooperation with card slot, and cover board is contacted with when turning to extreme higher position Fixture block.

Preferably, the supporting item is set to one with panel；Alternatively, the supporting item is arranged on panel by screw, branch Support member includes being equipped with the mounting hole with screw mates with the integrally formed fixed block of support arm, fixed block, and panel, which is equipped with, to be supplied The through hole that screw passes through, screw are tightened against in mounting hole after passing through through hole and realize that supporting item is fixedly connected on panel.

Preferably, the cover board is equipped with locking buckle in the bottom towards panel side, and panel is towards cover board side Lower part is equipped with and the matched locked groove of locking buckle；Alternatively, the both sides of the cover board bottom are equipped with locking convex button, panel bottom Both sides are equipped with locking the matched lockhole of convex button.

Preferably, the panel is equipped with the recess at left and right sides of observation window, and the bottom wall of recess, which is equipped with, to be used for admittedly Determine the fastener hole of panel, the block for being equipped with and being used for being opened and closed recess is rotated on panel.

Preferably, vent window is additionally provided with the panel, vent window is arranged on the top of observation window.

After adopting the above technical scheme, the cover provided by the utility model for distribution box has the following advantages that：

1st, the cover provided by the utility model for distribution box, improves existing face cover structure, hinged Limiting section is additionally arranged on the outer wall of column, retainer is additionally arranged on the inner wall of hinge hole, supporting item is additionally arranged at the top of panel, Limited step is formed between one end of limiting section and hinge column, one end of retainer forms stop surface.Limiting section is matched somebody with somebody with retainer Share in the slewing area of limitation cover board, when cover board, which turns to limited step, is contacted with stop surface, cover board is rotated up to most High position, at this time cover board highest position can be maintained at relative to panel by the supporting role of supporting item, even if cover board by It will not be fallen after rise to slight vibration under self gravitation effect.Cover provided by the utility model for distribution box, can make lid Stable location status is maintained at relative to panel after plate opening, is installed or is overhauled easy to staff, be conducive to improve Work efficiency and safeguard work security.

2nd, set between the other end and hinge column of limiting section and reset step, the other end of retainer sets reset surface, lid Plate, which turns to reset, is in vertical state when step is contacted with reset surface, cover board turns round in place.Pass through limiting section and retainer Coordinate the angle that can also be limited and be turned round when cover board recovers to normally off, be not easy to open after avoiding cover board revolution excessively.

3rd, limiting section and retainer are arc-shaped, both central angles are 120 °, and stop surface and reset surface are on vertical Direction is symmetrical arranged, then the maximum angle that cover board is rotated up relative to panel is 120 °, can effectively meet that distribution box is uncapped inspection The job requirement repaiied.

4th, hinge column, limiting section and cover board are integrally formed, and retainer is integrally formed with panel, are conducive to improve production effect Rate.Shrinkage pool is set on hinge column, advantageously ensures that dimensional accuracy during hinge column shaping.

The 5th, support arm is set on supporting item, support curved surface is set on support arm, is set on panel above support curved surface Convex ribs.When cover board turns to extreme higher position, the synergy by supporting curved surface and convex ribs makes cover board be maintained at extreme higher position, Stability when cover board is in extreme higher position state is effectively ensured.

6th, fixture block has elasticity, and cover board is contacted with fixture block when turning to extreme higher position, can effectively increase cover board and turn to most Active force during high position between support arm, further improves stability when cover board is maintained at extreme higher position.Fixture block passes through Cooperation with card slot in support arm body is removably connected to support arm body, the connection structure between fixture block and support arm body Simply, support arm body and fixture block that suitable material can be respectively adopted and be manufactured.In addition, when fixture block deformation is serious, just In the fixture block more renewed.

7th, supporting item and panel are set to one, alternatively, supporting item is fixed on panel by screw, the structure letter of supporting item It is single, it is easily installed.

The 8th, the locking buckle and locked groove of mutual cooperation are set between cover board and panel, alternatively, setting phase interworking between the two The locking convex button and lockhole of conjunction, the cooperation by locking buckle and locked groove or locking convex button and lockhole when cover board is in normally off Cooperation be locked on panel, improve cover board it is normally closed when stability.

The 9th, recess is set on panel, fastener hole is arranged on the bottom wall of recess, and the block for being used for being opened and closed recess is set on panel. After cover is fixed on babinet by fastener, block closure recess is rotated, fastener is not exposed to panel, effectively improves face Cover overall aesthetics.

10th, after setting vent window, cover board to open on panel, the inside of babinet is connected by vent window with outside air, is had Radiate beneficial to box house, reduce box interior temperature, and then ensure the job stability of distribution box entirety.

Brief description of the drawings

Fig. 1 is that the utility model embodiment one is used for stereogram of the cover of distribution box when cover board is opened；

Fig. 2 is the stereogram that the utility model embodiment one is used for panel in the cover of distribution box；

Fig. 3 a are the enlarged view at A in Fig. 2；

Fig. 3 b are the enlarged view at B in Fig. 2；

Fig. 4 is the stereogram for the cover cover plate that the utility model embodiment one is used for distribution box；

Fig. 5 is the enlarged view at C in Fig. 4；

Fig. 6 is the stereogram that the utility model embodiment one is used for supporting item in the cover of distribution box；

Fig. 7 is the stereogram that the utility model embodiment one is used for block in the cover of distribution box；

Fig. 8 is that the utility model embodiment one is used for the cover of distribution box along the part after panel and the cutting of cover board hinged place Enlarged drawing；

Fig. 9 is that the utility model embodiment one is used for the cover of distribution box along the office after cutting at cover board and supporting item cooperation Portion's enlarged drawing；

Figure 10 is the stereogram that the utility model embodiment two is used for panel in the cover of distribution box；

Figure 11 is the enlarged view at D in Figure 10；

Figure 12 is the stereogram for the cover cover plate that the utility model embodiment two is used for distribution box；

Figure 13 a are the enlarged view at E in Figure 12；

Figure 13 b are the enlarged view at F in Figure 12；

Figure 14 is that the utility model embodiment two is used for the cover of distribution box along after cutting at cover board and supporting item cooperation Enlarged view；

Figure 15 is that the utility model embodiment three is used for the enlarged view at panel setting supporting item in the cover of distribution box.

In figure, 1- panels, 11- observation windows, 12- cavitys, 12a- pocket base walls, 12b- cavity side walls, 12c- convex ribs, 13- Hinge hole, 14- retainers, 14a- stop surfaces, 14b- reset surfaces, 15- through holes, 16- limit ribs, 17- recesses, 17a- slots, 18- Fastener hole, 19- locked grooves, 2- cover boards, 21- hinge columns, 22- limiting sections, 22a- limited steps, 22b- reset step, 23- locking clamps Button, 24- shrinkage pools, 25- locking convex buttons, 3- supporting items, 31- fixed blocks, 32- support arms, 32a- support arm bodies, 32b- fixture blocks, 32c- card slots, 33- mounting holes, 34- support curved surfaces, 4- blocks, 41- pillars, 5- screws, 61- vent windows, 62- lockholes.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.It is it is to be appreciated that following The indicating position such as " on ", " under ", "left", "right", " longitudinal direction ", " transverse direction ", " interior ", " outer ", " vertical ", " level ", " top ", " bottom " Or the word of position relationship is based only upon orientation shown in the drawings or position relationship, only for the purposes of description the utility model and simplification Description, rather than device/element of instruction or hint meaning must have specific orientation or with specific azimuth configuration and behaviour Make, therefore it is not intended that limitation to the utility model.

Embodiment one

As shown in Figure 1, the cover for distribution box that the utility model embodiment one provides, including panel 1 and cover board 2, The substantially middle part of panel is equipped with the observation window 11 of rectangle, the top of panel is rotationally connected with the top of cover board and for being opened and closed Observation window.The both sides at the top of cover board 2 are equipped with hinge column, and the both sides at the top of panel 1 are equipped with the hinge hole for hinge column insertion, The spacing fit structure for being used for limiting cover board slewing area is equipped between hinge column and hinge hole, is equipped with the top of panel and turns in cover board The supporting item 3 of cover board is used to support when moving to extreme higher position.Cover board is rotated up to support during extreme higher position by supporting item Effect can be stably held in highest position relative to panel, even if cover board is subject to slight vibration to make in self gravitation With lower falling, installed or overhauled easy to staff, be conducive to improve work efficiency and safeguard work security.

As shown in Fig. 2, Fig. 3 a, Fig. 3 b, the side of panel 1 is equipped with the cavity 12 for being used for installing cover board 2, and cavity includes cavity The bottom wall 12a and cavity side walls 12b perpendicular to pocket base wall, cavity side walls are located at the both sides of pocket base wall vertically.

The top of cavity side walls 12b is equipped with hinge hole 13, and the inner wall of hinge hole is equipped with the retainer 14 of arc, retainer End face away from pocket base wall 12a forms stop surface 14a, and retainer forms reset surface 14b close to the end face of pocket base wall.This reality Apply in example, retainer 14 is integrally formed with panel 1.

The convex ribs 12c of 2 side of cover board protrusion is provided with the top of pocket base wall 12a, convex ribs are located at hinge hole 13 Top.The top of pocket base wall is equipped with the through hole 15 for being used for connecting supporting item 3, and the periphery of through hole is equipped with to be coordinated with supporting item 3 Limit rib 16, through hole is located at the lower section of hinge hole 13.

Pocket base wall 12a is equipped with recess 17 in the arranged on left and right sides of observation window 11, is offered on the bottom wall of recess for solid Determine the fastener hole 18 of cover entirety, the block 4 for being equipped with and being used for being opened and closed recess is rotated on panel.The centre of pocket base wall 12a lower parts Position offers the locked groove 19 for sealed cover board 2.

As shown in Figure 4, Figure 5, the top of the vertical both sides side wall of cover board 2 is equipped with outwardly hinge column 21, hinge column Outer wall is equipped with arc-shaped limiting section 22, is formed between one end of limiting section and hinge column matched spacing with stop surface 14a Step 22a, forms and the matched reset step 22b of reset surface 14b between the other end and hinge column of limiting section.The present embodiment In, hinge column 21, limiting section 22 and cover board 2 are integrally formed.

The locking buckle 23 that cover board 2 is equipped with the bottom towards 1 side of panel, locking buckle is used for the cooperation of locked groove 19 will Cover board is locked on panel.

As shown in fig. 6, supporting item 3 includes fixed block 31 and the support arm 32 on fixed block, fixed block be equipped with The mounting hole 33 that screw 5 coordinates, one end of support arm are connected to that fixed block, the other end are hanging, and the top surface of support arm is recessed Smooth support curved surface 34.In the present embodiment, fixed block 31 is integrally formed with support arm 32.

As shown in fig. 7, block 4 is in the form of sheets, the top of the vertical both sides side wall of block, which is equipped with, is used for hinged pillar 41, recess The top of 17 vertical inner walls is equipped with the slot 17a for pillar insertion.

Supporting item 3 is fixed on the top of panel 1 by screw 5, and block 4 is rotated by the cooperation of pillar 41 and slot 17a It is installed on panel.

As shown in figure 8, cover board 2 is rotationally connected with panel 1, limiting section 22 by the cooperation of hinge column 21 and hinge hole 13 In hinge hole.In the present embodiment, the central angle of limiting section 22 is α, and the central angle of retainer 14 is β, and α=β=120 °, stop Dynamic face 14a and reset surface 14b is symmetrical arranged on vertical direction, i.e. angle, reset surface between stop surface 14a and vertical direction Angle between 14b and vertical direction is 60 °, and the maximum angle that cover board is rotated up is 120 °.

When cover board 2, which turns to reset step 22b, is contacted with reset surface 14b, cover board is in vertical state, and cover board passes through lock The cooperation of tight buckle 23 and locked groove 19 is locked on panel 1.When cover board 2 is rotated up being contacted with stop surface to limited step 22a During 14a, cover board is rotated up to extreme higher position.As shown in figure 9, when cover board 2 turns to extreme higher position, cover board is bent by supporting The collective effect of face 34 and convex ribs 12c can be stably held in highest position relative to panel.Even if cover board is subject to slight vibration It will not be fallen after rise under self gravitation effect.When needing closure flap 2, force in cover board and cover board is swung down to vertically, Cover board is recovered to normally off by the cooperation of locking buckle and locked groove.

The cover for distribution box that the present embodiment one provides, relative to panel is maintained at stable after making cover board opening Location status, is installed or is overhauled easy to staff, is conducive to improve work efficiency and safeguard work security.

It is understood that the central angle of the central angle of limiting section 22 and retainer 14 can also be arranged in the present embodiment Other angles, need to only meet that cover board is turned to vertically, when limited step is contacted with stop when resetting step and being contacted with reset surface Extreme higher position is turned to during face.Certainly, the shape of limiting section and the shape of retainer can also be changed setting.

Embodiment two

As shown in Figure 10, the utility model embodiment two is also set with being in place of the difference of above-described embodiment one on panel 1 There is the vent window 61 of strip, vent window is located at the top of observation window.After cover board 2 is opened, the inside of distribution box body, which passes through, to be led to Air regulator is connected with outside air, is conducive to box house heat dissipation, reduces box interior temperature, and then ensure the work of distribution box entirety Make stability.

As shown in figure 11,3 setting support arms 32 of the supporting item in the present embodiment, support arm are set to one with panel 1, i.e., Support arm and 1 integrated injection molding of panel.

As shown in Figure 12, Figure 13 a, the hinge column 21 in the present embodiment is equipped with shrinkage pool 24, and shrinkage pool is in substantially water-drop-shaped, is had Beneficial to dimensional accuracy when ensureing that hinge column is molded.

As illustrated in fig. 13b, the bottom of the vertical both sides side wall of the present embodiment cover plate 2 is equipped with locking convex button 25, cover board fovea superior The lower part of chamber side wall 12b is equipped with locking the matched lockhole 62 of convex button, and cover board is locked by locking convex button 25 and the cooperation of lockhole 62 Together in panel 1.

As shown in figure 14, when cover board 2 is rotated up to extreme higher position, cover board is by supporting curved surface 34 and convex ribs 12c Collective effect is stably held in extreme higher position state.

Embodiment three

As shown in figure 15, with being in place of the difference of above-described embodiment two, support arm 32 wraps the utility model embodiment three Support arm body 32a and flexible fixture block 32b is included, support arm body is equipped with and the matched card slot 32c of fixture block, fixture block 32b is arranged on support arm body 32a by the cooperation with card slot 32c, and cover board 2 is contacted with fixture block 32b when turning to extreme higher position.

In the present embodiment, fixture block is made of elastic and big friction coefficient material, and interference is used between fixture block and card slot Coordinate.In this way, can effectively increase active force when cover board turns to extreme higher position between support arm, cover board guarantor is further improved Hold the stability at extreme higher position.Connection structure between fixture block and support arm body is simple, supports arm body and fixture block can It is manufactured so that suitable material is respectively adopted.When fixture block deformation is serious, new fixture block is conveniently replaceable.

In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root Made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to Scope as defined in the claims.

Claims (10)

1. a kind of cover for distribution box, including panel and cover board, panel is equipped with observation window, the top rotation connection of cover board In the top of panel and for being opened and closed observation window, the both sides at the top of cover board are equipped with hinge column, and the both sides at the top of panel are equipped with For the hinge hole of hinge column insertion, it is characterised in that the outer wall of the hinge column is equipped with limiting section, and hinge hole inner wall is equipped with Retainer, limiting section and retainer coordinate the slewing area for being used for limiting cover board, are equipped between one end of limiting section and hinge column Limited step, one end of retainer are equipped with the stop surface coordinated with limited step, and cover board turns to limited step and is contacted with stop Extreme higher position is in during face, the supporting item that cover board is used to support when cover board turns to extreme higher position is equipped with the top of panel.

2. the cover according to claim 1 for distribution box, it is characterised in that the other end of the limiting section is with being hinged It is equipped between column and resets step, the other end of retainer is equipped with the reset surface coordinated with resetting step, and cover board turns to reset platform In vertical when rank is contacted with reset surface.

3. the cover according to claim 2 for distribution box, it is characterised in that the limiting section and retainer are in arc Shape, the central angle of limiting section are α, and the central angle of retainer is β, α=β=120 °, and stop surface and reset surface on vertical side To being symmetrical arranged.

4. the cover according to claim 3 for distribution box, it is characterised in that hinge column, limiting section and the cover board It is integrally formed, and hinge column is equipped with shrinkage pool, the retainer is integrally formed with panel.

5. the cover according to claim 1 for distribution box, it is characterised in that the supporting item is equipped with support arm, Support arm is equipped with indent and smooth support curved surface, and panel is equipped with positioned at the top of support curved surface and for blocking cover board Convex ribs.

6. the cover according to claim 5 for distribution box, it is characterised in that the support arm includes support arm body With flexible fixture block, support arm body is equipped with is arranged on branch with the matched card slot of fixture block, fixture block by the cooperation with card slot In brace main body, cover board is contacted with fixture block when turning to extreme higher position.

7. the cover according to claim 5 for distribution box, it is characterised in that the supporting item is set to one with panel Body；Alternatively, the supporting item is arranged on panel by screw, supporting item includes and the integrally formed fixed block of support arm, fixation Block is equipped with the mounting hole with screw mates, and panel is equipped with the through hole passed through for screw, and screw is tightened against admittedly after passing through through hole Determine to realize that supporting item is fixedly connected on panel in hole.

8. it is used for the cover of distribution box according to claim 1-7 any one of them, it is characterised in that the cover board is towards face The bottom of plate side is equipped with locking buckle, and panel is equipped with and the matched locked groove of locking buckle in the lower part towards cover board side；Or Person, the both sides of the cover board bottom are equipped with locking convex button, and the both sides of panel bottom are equipped with locking the matched lockhole of convex button.

9. it is used for the cover of distribution box according to claim 1-7 any one of them, it is characterised in that the panel is equipped with position Recess at left and right sides of observation window, the bottom wall of recess are equipped with the fastener hole for being used for fixing panel, rotate to be equipped with panel and use In the block of opening and closing recess.

10. it is used for the cover of distribution box according to claim 1-7 any one of them, it is characterised in that also set on the panel There is vent window, vent window is arranged on the top of observation window.