CN220964107U

CN220964107U - American case becomes top cap

Info

Publication number: CN220964107U
Application number: CN202322661626.4U
Authority: CN
Inventors: 杨檩; 孙龙; 荣自华; 郝俊红; 杨玺伟; 王伟平
Original assignee: Beijing Sojo Electric Co Ltd
Current assignee: Beijing Sojo Electric Co Ltd
Priority date: 2022-12-27
Filing date: 2023-09-28
Publication date: 2024-05-14
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses an American box transformer substation top cover which comprises an upper cover plate, a left side plate, a right side plate and a supporting frame, wherein the upper cover plate comprises an upper cover plate body and a middle sealing plate, the upper cover plate body and the middle sealing plate are of slope structures with bottoms at the front end and the rear end, the left side plate and the right side plate are of vertical plate structures with bottoms at the front end and the rear end, the upper cover plate body comprises a front upper side plate and a rear upper side plate, the front end of the front upper side plate is vertically bent downwards to form a front lower side plate, the rear end of the rear upper side plate is vertically bent downwards to form a rear lower side plate, the rear end of the front upper side plate is abutted against the front end of the rear upper side plate, and a containing space with an opening at the lower end is formed among the left side plate, the rear upper side plate, the rear lower side plate, the right side plate, the front upper side plate and the front lower side plate. The utility model aims to provide a American style box transformer top cover which is not easy to accumulate sundries and water.

Description

American case becomes top cap

Technical Field

The utility model relates to the technical field of box transformer equipment, in particular to a American box transformer top cover.

Background

The American type transformer substation is characterized in that elements such as a transformer body, a high-voltage load switch, a fuse and the like are placed in a transformer oil tank together, and the transformer oil tank is immersed in oil, so that the volume of the elements is greatly reduced, the structure is more compact, and the installation is convenient and flexible. The method is widely applied to places such as residential communities, high-industry centers, factories and mining enterprises, airports, stations, schools and the like.

Along with the increase of the existing electric elements, the size of the American box transformer is gradually increased, sundries are easily accumulated on a top cover of a flat top type box transformer, so that the bearing deformation is caused, water is easily accumulated, and even water is easily permeated into the box body, so that the internal elements are damaged.

Disclosure of utility model

The utility model aims to solve the technical problem of providing the American style box transformer top cover which is not easy to accumulate sundries and water.

The utility model relates to a American style box transformer substation top cover, which comprises an upper cover plate, a left side plate, a right side plate and a supporting frame, wherein the upper cover plate is positioned between the left side plate and the right side plate, the upper cover plate comprises an upper cover plate body and a middle sealing plate, the upper cover plate body and the middle sealing plate are slope structures with bottoms at the front end and the rear end in the middle, the left side plate and the right side plate are vertical plate structures with bottoms at the front end and the rear end in the middle, the upper cover plate body comprises a front upper side plate and a rear upper side plate, the front end of the front upper side plate is vertically bent downwards to form a front lower side plate, the rear end of the rear upper side plate is vertically bent downwards to form a rear lower side plate, the rear end of the front upper side plate is abutted against the front end of the rear upper side plate, and an accommodating space with an opening at the lower end is formed among the left side plate, the rear upper side plate, the rear lower side plate, the right side plate, the front upper side plate and the front lower side plate,

The middle sealing plate comprises a front sealing plate and a rear sealing plate which are fixedly connected with each other, the front sealing plate and the rear sealing plate are of an integrated structure, the lower surfaces of the front sealing plate and the rear sealing plate are respectively and fixedly connected with the upper surfaces of the front upper side plate and the rear upper side plate in a sealing way,

The upper end of the left side plate is vertically bent rightwards to form a first flanging, the upper end of the right side plate is vertically bent leftwards to form a second flanging, the left ends of the upper surfaces of the front upper side plate and the rear upper side plate are fixedly connected with the lower surface of the first flanging in a sealing way, the right ends of the upper surfaces of the front upper side plate and the rear upper side plate are fixedly connected with the lower surface of the second flanging in a sealing way, the front side sealing plate and the rear side sealing plate are positioned between the first flanging and the second flanging, the left sides of the front side sealing plate and the rear side sealing plate are fixedly connected with the right sides of the first flanging in a sealing way, the right sides of the front side sealing plate and the rear side sealing plate are fixedly connected with the left sides of the second flanging in a sealing way, the gaps between the front upper side plate and the rear upper side plate are blocked by the front side sealing plate, the left ends and the right ends of the front lower side plate are fixedly connected with the left side plate and the right side plate in a sealing way respectively, the left ends of the rear lower side plate and the left sides of the rear side plate are fixedly connected with the left side plate and the right side plate in a sealing way respectively,

The supporting frame is positioned in the accommodating space and comprises a left horizontal supporting plate, a rear horizontal supporting plate, a right horizontal supporting plate and a front horizontal supporting plate, the length directions of the left horizontal supporting plate and the right horizontal supporting plate are consistent with the front-rear direction, the length directions of the front horizontal supporting plate and the rear horizontal supporting plate are consistent with the left-right direction, the left horizontal supporting plate and the right horizontal supporting plate are fixedly arranged between the front horizontal supporting plate and the rear horizontal supporting plate, the left ends of the front horizontal supporting plate and the rear horizontal supporting plate are fixedly connected with a left side plate, the right ends of the front horizontal supporting plate and the rear horizontal supporting plate are fixedly connected with a right side plate,

The left end of left side horizontal support plate lower surface, the rear end of rear side horizontal support plate lower surface, the right-hand member of right side horizontal support plate lower surface and the front end of front side horizontal support plate lower surface all pass through bolt and box fixed connection, accommodation space and the inside intercommunication of box.

The utility model relates to a American style box transformer substation top cover, wherein at least three heat insulation boards are sequentially arranged in a containing space along the left-right direction, the left ends of the upper surfaces of the heat insulation boards positioned at the leftmost side are fixedly connected with the right ends of the lower surfaces of left side horizontal support boards, the rear ends of the upper surfaces of the at least three heat insulation boards are fixedly connected with the front ends of the lower surfaces of rear side horizontal support boards, the right ends of the upper surfaces of the heat insulation boards positioned at the rightmost side are fixedly connected with the left ends of the lower surfaces of right side horizontal support boards, and the front ends of the upper surfaces of the at least three heat insulation boards are fixedly connected with the rear ends of the lower surfaces of front side horizontal support boards.

The American style box transformer substation top cover of the utility model, wherein the lower end of the left side plate is continuously bent towards the inside of the accommodating space to form a first supporting part, the lower end of the rear lower side plate is continuously bent towards the inside of the accommodating space to form a second supporting part, the lower end of the right side plate is continuously bent towards the inside of the accommodating space to form a third supporting part, the lower end of the front lower side plate is continuously bent towards the inside of the accommodating space to form a fourth supporting part, the tops of the first supporting part, the second supporting part, the third supporting part and the fourth supporting part are all in the same plane,

The left end of the left horizontal supporting plate is vertically bent downwards to form a third flanging, the lower end of the third flanging is horizontally bent leftwards to form a fourth flanging, the lower surface of the fourth flanging is propped against the top of the first supporting part, the left side surface of the fourth flanging is fixedly connected with the left side plate in a sealing way,

The rear end of the rear side horizontal supporting plate is vertically bent downwards to form a fifth flanging, the lower end of the fifth flanging is horizontally bent backwards to form a sixth flanging, the lower surface of the sixth flanging is propped against the top of the second supporting part, the rear side surface of the sixth flanging is fixedly connected with the rear lower side plate in a sealing way,

The right end of the right side horizontal supporting plate is vertically bent downwards to form a seventh flanging, the lower end of the seventh flanging is horizontally bent rightwards to form an eighth flanging, the lower surface of the eighth flanging is propped against the top of the third supporting part, the right side surface of the eighth flanging is fixedly connected with the right side plate in a sealing way,

The front end of the front side horizontal supporting plate is vertically bent downwards to form a ninth flanging, the lower end of the ninth flanging is horizontally bent forwards to form a tenth flanging, the lower surface of the tenth flanging is abutted to the top of the fourth supporting portion, and the front side surface of the tenth flanging is fixedly connected with the front lower side plate in a sealing mode.

The utility model relates to a American box transformer substation top cover, wherein a plurality of first vent holes are formed in the fourth flanging, the sixth flanging, the eighth flanging and the tenth flanging at intervals along the respective length directions, a plurality of vent hole groups are formed in each heat insulation plate at intervals along the front-back direction, and each vent hole group comprises a plurality of second vent holes which are formed in the left-right direction at intervals.

The utility model discloses an American box transformer substation top cover, wherein the supporting frame further comprises at least two supporting plates, the at least two supporting plates are arranged at intervals along the left-right direction, the length direction of each supporting plate is consistent with the front-back direction, each supporting plate is of a vertical plate-shaped structure with bottoms at the front end and the rear end of the middle height, the upper surface of each supporting plate is propped against the lower surfaces of a front upper side plate and a rear upper side plate, the rear end of the front upper side plate is vertically bent downwards to form an eleventh flanging, the front end of the rear upper side plate is vertically bent downwards to form a twelfth flanging, the eleventh flanging and the twelfth flanging are matched to form an upper cover plate body clamping part, clamping grooves penetrating through the left side surface and the right side surface of each supporting plate are formed in the opposite positions of the upper surface of each supporting plate and the upper cover plate body clamping part, each clamping groove is matched with the upper cover plate body clamping part, the lower end of each supporting plate is horizontally bent leftwards to form a thirteenth flanging, each thirteenth flanging is horizontally bent upwards, and each thirteenth flanging is connected with the adjacent upper surface of each thirteenth flanging, and the upper flange is fixedly connected with the upper flange.

The utility model relates to a American case transformer top cover, wherein the upper end of a supporting plate positioned at the front side of a clamping groove is horizontally bent leftwards to form a fifteenth flanging, the upper end of a supporting plate positioned at the rear side of the clamping groove is horizontally bent leftwards to form a sixteenth flanging, and the upper surfaces of the fifteenth flanging and the sixteenth flanging are respectively abutted against a front upper side plate and a rear upper side plate.

The American type box transformer substation top cover provided by the utility model has the advantages that the number of the heat insulation plates is three, and the number of the support plates is two.

The American type box transformer substation top cover of the utility model, wherein the supporting frame also comprises three top cover reinforcing ribs, the three top cover reinforcing ribs are arranged at intervals along the left-right direction, the three top cover reinforcing ribs comprise a horizontal section and two vertical sections, the length directions of the horizontal section and the two vertical sections are consistent with the left-right direction, the two vertical sections are opposite and are arranged at intervals, the lower ends of the two vertical sections are fixedly connected with the upper surface of the horizontal section,

The leftmost top cover reinforcing rib is arranged between the left horizontal support plate and the fourteenth flanging of the left support plate, the lower surface of the horizontal section of the leftmost top cover reinforcing rib is fixedly connected with the upper surface of the leftmost heat insulation plate, the left side surface of the horizontal section of the leftmost top cover reinforcing rib is abutted with the right side surface of the left horizontal support plate, the left ends of the two vertical sections of the leftmost top cover reinforcing rib are leftwards extended to the left side of the leftmost top cover reinforcing rib horizontal section and form a first extension section, the bottom of the first extension section is abutted with the upper surface of the left horizontal support plate, the horizontal section of the leftmost top cover reinforcing rib and the right ends of the two vertical sections are abutted with the fourteenth flanging of the left support plate,

The middle top cover reinforcing rib is arranged between the fourteenth flanging of the left side supporting plate and the right side supporting plate, the lower surface of the horizontal section of the middle top cover reinforcing rib is fixedly connected with the upper surface of the middle heat insulation plate, the left ends of the horizontal section and the two vertical sections of the middle top cover reinforcing rib are respectively abutted with the left side supporting plate, the right ends of the horizontal section and the two vertical sections of the middle top cover reinforcing rib are respectively abutted with the fourteenth flanging of the right side supporting plate,

The top cap strengthening rib on the rightmost side sets up between right side backup pad and right side horizontal support board, the rightmost the lower surface of the horizontal segment of top cap strengthening rib and the last fixed surface of the heat insulating board on the rightmost side are connected, the rightmost horizontal segment of top cap strengthening rib and the left end of two vertical sections all with right side backup pad looks butt, the rightmost right side the right flank of the horizontal segment of top cap strengthening rib and the left surface looks butt of right side horizontal support board, the rightmost right side the right-hand member of two vertical sections of top cap strengthening rib all extends to the right side of the horizontal segment of top cap strengthening rib on the rightmost side and forms the second extension section, the bottom of second extension section and the upper surface looks butt of right side horizontal support board.

The American type box transformer substation top cover is characterized in that lifting lugs are fixedly arranged on the upper surfaces of the front upper side plate and the rear upper side plate.

The American case transformer top cover is different from the prior art in that the upper cover plate body and the middle sealing plate are of slope structures with bottoms at the front end and the rear end of the middle height, and the left side plate and the right side plate are of vertical plate structures with bottoms at the front end and the rear end of the middle height, so that sundries are not easy to accumulate at the top of the American case transformer top cover, water is not easy to accumulate at the top of the American case transformer top cover, and the American case transformer top cover can well protect elements in the case.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the structure of the American case transformer top cover of the present utility model;

FIG. 2 is a schematic diagram of the structure of the American type box transformer substation top cover and the box body when the American type box transformer substation top cover and the box body are matched for use;

FIG. 3 is an exploded view of the American case transformer top cover of the present utility model;

Fig. 4 is a schematic structural view of a supporting frame in the top cover of the American type box transformer substation.

Detailed Description

As shown in fig. 1 and 3, the American style box transformer top cover of the present utility model comprises an upper cover plate, a left side plate 3, a right side plate 13 and a supporting frame, wherein the upper cover plate is positioned between the left side plate 3 and the right side plate 13, the upper cover plate comprises an upper cover plate body and a middle sealing plate, the upper cover plate body and the middle sealing plate are slope structures with bottoms at the front end and the rear end, the left side plate 3 and the right side plate 13 are vertical plate structures with bottoms at the front end and the rear end, the upper cover plate body comprises a front upper side plate 9 and a rear upper side plate 5, the front end of the front upper side plate 9 is vertically bent downwards to form a front lower side plate 8, the rear end of the rear upper side plate 5 is vertically bent downwards to form a rear lower side plate, the rear end of the front upper side plate 9 is abutted against the front end of the rear upper side plate 5, and a containing space with an opening at the lower end is formed among the left side plate 3, the rear upper side plate 5, the rear lower side plate 13, the front upper side plate 9 and the front lower side plate 8.

The middle sealing plate comprises a front sealing plate 2 and a rear sealing plate 4 which are fixedly connected with each other, the front sealing plate 2 and the rear sealing plate 4 are of an integrated structure, and the lower surfaces of the front sealing plate 2 and the rear sealing plate 4 are respectively and fixedly connected with the upper surfaces of a front upper side plate 9 and a rear upper side plate 5 in a sealing way.

The upper end of left side board 3 is buckled perpendicularly to the right and is formed first turn-ups 1, the upper end of right side board 13 is buckled perpendicularly to the left and is formed second turn-ups 7, the left end of preceding upper side board 9 and the upper surface of back upper side board 5 all with the lower surface seal fixed connection of first turn-ups 1, the right end of preceding upper side board 9 and the upper surface of back upper side board 5 all with the lower surface seal fixed connection of second turn-ups 7, preceding side closing plate 2 and rear side closing plate 4 all are located between first turn-ups 1 and the second turn-ups 7, the left surface of preceding side closing plate 2 and rear side closing plate 4 all with the right side face seal fixed connection of first turn-ups 1, the right surface of preceding side closing plate 2 and rear side closing plate 4 all with the left side face seal fixed connection of second turn-ups 7, the gap between preceding upper side board 9 and the upper side board 5 is sealed fixed connection with left side board 3 and right side board 13 respectively to the left and right both ends of preceding lower side board 8, the left and right sides of rear lower side board are sealed fixed connection with left side board 3 and right side board 13 respectively to the left and right sides of rear lower side board.

As shown in fig. 2, 3 and 4, the support frame is located inside the accommodation space, and the support frame includes a left side horizontal support plate 18, a rear side horizontal support plate 20, a right side horizontal support plate 25 and a front side horizontal support plate 15, the length directions of the left side horizontal support plate 18 and the right side horizontal support plate 25 are all consistent with the front-rear direction, the length directions of the front side horizontal support plate 15 and the rear side horizontal support plate 20 are all consistent with the left-right direction, the left side horizontal support plate 18 and the right side horizontal support plate 25 are all fixedly arranged between the front side horizontal support plate 15 and the rear side horizontal support plate 20, the left ends of the front side horizontal support plate 15 and the rear side horizontal support plate 20 are all fixedly connected with the left side plate 3, and the right ends of the front side horizontal support plate 15 and the rear side horizontal support plate 20 are all fixedly connected with the right side plate 13.

The left end of the lower surface of the left horizontal support plate 18, the rear end of the lower surface of the rear horizontal support plate 20, the right end of the lower surface of the right horizontal support plate 25 and the front end of the lower surface of the front horizontal support plate 15 are fixedly connected with the box 10 through bolts, and the accommodating space is communicated with the inside of the box 10.

As shown in fig. 3 and 4, at least three heat insulation boards 27 are sequentially arranged in the left-right direction in the accommodating space, the left end of the upper surface of the heat insulation board 27 positioned at the leftmost side is fixedly connected with the right end of the lower surface of the left horizontal support plate 18, the rear ends of the upper surfaces of the at least three heat insulation boards 27 are fixedly connected with the front ends of the lower surfaces of the rear horizontal support plates 20, the right end of the upper surface of the heat insulation board 27 positioned at the rightmost side is fixedly connected with the left end of the lower surface of the right horizontal support plate 25, and the front ends of the upper surfaces of the at least three heat insulation boards 27 are fixedly connected with the rear ends of the lower surfaces of the front horizontal support plates 15. In the environment where the sun exposure time is long, the heat insulation plate 27 can insulate most of heat generated by the top cover due to the long exposure time, thereby achieving the effect of preventing the temperature inside the case 10 from rising.

As shown in fig. 3 and 4, in order to increase the overall strength of the present utility model, the lower end of the left side plate 3 is continuously bent into the interior of the accommodating space to form the first supporting portion 11, the lower end of the rear lower side plate is continuously bent into the interior of the accommodating space to form the second supporting portion 12, the lower end of the right side plate 13 is continuously bent into the interior of the accommodating space to form the third supporting portion 14, the lower end of the front lower side plate 8 is continuously bent into the interior of the accommodating space to form the fourth supporting portion 22, and the tops of the first supporting portion 11, the second supporting portion 12, the third supporting portion 14 and the fourth supporting portion 22 are all on the same plane, so as to prevent damage to the components in the interior of the case 10 due to the entry of rainwater into the accommodating space from the gaps between the left side plate 3 and the left side horizontal supporting plate 18, the gaps between the rear lower side plate and the rear horizontal supporting plate 20, the gaps between the right side plate 13 and the right side horizontal supporting plate 25, and the gaps between the front lower side plate 8 and the front horizontal supporting plate 15.

The left end of the left horizontal supporting plate 18 is vertically bent downwards to form a third flanging 40, the lower end of the third flanging 40 is horizontally bent leftwards to form a fourth flanging 17, the lower surface of the fourth flanging 17 is abutted to the top of the first supporting portion 11, and the left side surface of the fourth flanging 17 is fixedly connected with the left side plate 3 in a sealing mode.

The rear end of the rear side horizontal supporting plate 20 is vertically bent downwards to form a fifth flanging, the lower end of the fifth flanging is horizontally bent backwards to form a sixth flanging 19, the lower surface of the sixth flanging 19 is abutted against the top of the second supporting portion 12, and the rear side surface of the sixth flanging 19 is fixedly connected with the rear lower side plate in a sealing mode.

The right end of the right horizontal supporting plate 25 is vertically bent downwards to form a seventh flanging, the lower end of the seventh flanging is horizontally bent rightwards to form an eighth flanging 26, the lower surface of the eighth flanging 26 is abutted against the top of the third supporting portion 14, and the right side surface of the eighth flanging 26 is fixedly connected with the right side plate 13 in a sealing manner.

The front end of the front side horizontal supporting plate 15 is vertically bent downwards to form a ninth flanging 35, the lower end of the ninth flanging 35 is horizontally bent forwards to form a tenth flanging 34, the lower surface of the tenth flanging 34 is abutted against the top of the fourth supporting portion 22, and the front side surface of the tenth flanging 34 is fixedly connected with the front lower side plate 8 in a sealing manner.

As shown in fig. 3, in order to provide a good ventilation condition in the interior of the case 10, the fourth flange 17, the sixth flange 19, the eighth flange 26 and the tenth flange 34 are provided with a plurality of first ventilation holes 16 spaced apart in the respective longitudinal directions, and each heat shield 27 is provided with a plurality of ventilation hole groups spaced apart in the front-rear direction, each ventilation hole group including a plurality of second ventilation holes 29 spaced apart in the left-right direction. The air in the box 10 enters the accommodating space above the heat insulation plate 27 through the second ventilation holes 29 and is discharged to the outside through the first ventilation holes 16, so that the redundant heat in the box 10 can be transferred to the outside of the box 10, the temperature in the box 10 is reduced, and the components in the box 10 are safer and more reliable in working and running.

As shown in fig. 3 and 4, in order to increase the overall strength of the present utility model, the support frame further includes at least two support plates 32, at least two support plates 32 are arranged at intervals along the left-right direction, the length direction of each support plate 32 is consistent with the front-rear direction, the support plates 32 are in a vertical plate structure with bottoms at the front-rear ends, the upper surface of each support plate 32 is in abutment with the lower surfaces of the front upper side plate 9 and the rear upper side plate 5, the rear end of the front upper side plate 9 is vertically bent downwards to form an eleventh flange 23, the front end of the rear upper side plate 5 is vertically bent downwards to form a twelfth flange 24, the eleventh flange 23 and the twelfth flange 24 are matched to form an upper cover plate body clamping part, clamping grooves 38 penetrating through the left-right side surfaces of each support plate 32 are formed at opposite positions of the upper surface and the upper cover plate body clamping part, the clamping grooves 38 are matched with the upper cover plate body clamping part, the lower end of each support plate 32 is horizontally bent leftwards to form a thirteenth flange 33, each thirteenth flange 33 is horizontally bent leftwards, and each thirteenth flange 33 is connected with each adjacent flange 33, and each thirteenth flange 33 is fixedly connected with each upper flange 27.

As shown in fig. 4, in order to support the front upper side plate 9 and the rear upper side plate 5 more stably, the upper end of the support plate 32 located at the front side of the clamping groove 38 is bent horizontally leftward to form a fifteenth flange 30, and the upper end of the support plate 32 located at the rear side of the clamping groove 38 is bent horizontally leftward to form a sixteenth flange 21, and the upper surfaces of the fifteenth flange 30 and the sixteenth flange 21 are respectively abutted against the front upper side plate 9 and the rear upper side plate 5.

The number of the heat insulating plates 27 is three, and the number of the support plates 32 is two.

As shown in fig. 3 and 4, in order to further increase the overall strength of the present utility model, the support frame further includes three top cover reinforcing ribs, the three top cover reinforcing ribs are arranged at intervals in the left-right direction, each of the three top cover reinforcing ribs includes a horizontal section 37 and two vertical sections 28, the length directions of the horizontal section 37 and the two vertical sections 28 are consistent with the left-right direction, the two vertical sections 28 are opposite and arranged at intervals, and the lower ends of the two vertical sections 28 are fixedly connected with the upper surface of the horizontal section 37.

The left-most top cover reinforcing rib is arranged between the left horizontal support plate 18 and the fourteenth flange 31 of the left support plate 32, the lower surface of the horizontal section 37 of the left-most top cover reinforcing rib is fixedly connected with the upper surface of the left-most heat insulation plate 27, the left side surface of the horizontal section 37 of the left-most top cover reinforcing rib is abutted with the right side surface of the left horizontal support plate 18, the left ends of the two vertical sections 28 of the left-most top cover reinforcing rib are leftwards extended to the left side of the left-most top cover reinforcing rib horizontal section 37 and form a first extension section 36, the bottom of the first extension section 36 is abutted with the upper surface of the left horizontal support plate 18, and the horizontal section 37 of the left-most top cover reinforcing rib and the right ends of the two vertical sections 28 are abutted with the fourteenth flange 31 of the left support plate 32.

The middle top cover reinforcing rib is arranged between the left side supporting plate 32 and the fourteenth flanging 31 of the right side supporting plate 32, the lower surface of the horizontal section 37 of the middle top cover reinforcing rib is fixedly connected with the upper surface of the middle heat insulation plate 27, the left ends of the horizontal section 37 and the two vertical sections 28 of the middle top cover reinforcing rib are all abutted against the left side supporting plate 32, and the right ends of the horizontal section 37 and the two vertical sections 28 of the middle top cover reinforcing rib are all abutted against the fourteenth flanging 31 of the right side supporting plate 32.

The rightmost top cover reinforcing rib is arranged between the right side supporting plate 32 and the right side horizontal supporting plate 25, the lower surface of the horizontal section 37 of the rightmost top cover reinforcing rib is fixedly connected with the upper surface of the rightmost heat insulation plate 27, the horizontal section 37 of the rightmost top cover reinforcing rib and the left ends of the two vertical sections 28 are all abutted against the right side supporting plate 32, the right side surface of the horizontal section 37 of the rightmost top cover reinforcing rib is abutted against the left side surface of the right side horizontal supporting plate 25, the right ends of the two vertical sections 28 of the rightmost top cover reinforcing rib are all extended rightwards to the right side of the rightmost top cover reinforcing rib horizontal section 37 and form a second extension section 39, and the bottom of the second extension section 39 is abutted against the upper surface of the right side horizontal supporting plate 25.

As shown in fig. 1, in order to facilitate the hoisting of the hoisting device, lifting lugs 6 are fixedly arranged on the upper surfaces of the front upper side plate 9 and the rear upper side plate 5.

As shown in fig. 1 and 2, the upper cover plate body and the middle sealing plate in the utility model are both slope structures with bottoms at the front and rear ends of the middle height, and the left side plate 3 and the right side plate 13 are both vertical plate structures with bottoms at the front and rear ends of the middle height, so that sundries are not easy to accumulate at the top of the utility model, water is not easy to accumulate at the top of the utility model, and the utility model can well protect elements in the box 10.

It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "middle", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.

Claims

1. The utility model provides a American case becomes top cap which characterized in that: comprises an upper cover plate, a left side plate, a right side plate and a supporting frame, wherein the upper cover plate is positioned between the left side plate and the right side plate, the upper cover plate comprises an upper cover plate body and a middle sealing plate, the upper cover plate body and the middle sealing plate are slope structures with bottoms at the front end and the rear end in middle, the left side plate and the right side plate are vertical plate structures with bottoms at the front end and the rear end in middle, the upper cover plate body comprises a front upper side plate and a rear upper side plate, the front end of the front upper side plate is vertically downwards bent to form a front lower side plate, the rear end of the rear upper side plate is vertically downwards bent to form a rear lower side plate, the rear end of the front upper side plate is abutted to the front end of the rear upper side plate, a containing space with an opening at the lower end is formed among the left side plate, the rear upper side plate, the rear lower side plate, the right side plate, the front upper side plate and the front lower side plate,

2. The american type case top cover of claim 1, wherein: the inside of accommodation space has set gradually at least three heat insulating board along left and right directions, is located leftmost the left end of heat insulating board upper surface and the right-hand member fixed connection of left side horizontal support board lower surface, at least three the rear end of heat insulating board upper surface all with the front end fixed connection of rear side horizontal support board lower surface, be located rightmost the right-hand member of heat insulating board upper surface and the left end fixed connection of right side horizontal support board lower surface, at least three the front end of heat insulating board upper surface all with the rear end fixed connection of front side horizontal support board lower surface.

3. The american type case top cover of claim 2, wherein: the lower end of the left side plate is continuously bent towards the inside of the accommodating space to form a first supporting part, the lower end of the rear lower side plate is continuously bent towards the inside of the accommodating space to form a second supporting part, the lower end of the right side plate is continuously bent towards the inside of the accommodating space to form a third supporting part, the lower end of the front lower side plate is continuously bent towards the inside of the accommodating space to form a fourth supporting part, the tops of the first supporting part, the second supporting part, the third supporting part and the fourth supporting part are all in the same plane,

4. A american type case top cover according to claim 3, wherein: the fourth flanging, the sixth flanging, the eighth flanging and the tenth flanging are respectively provided with a plurality of first vent holes at intervals along the respective length direction, each heat insulation plate is provided with a plurality of vent hole groups at intervals along the front-back direction, and each vent hole group comprises a plurality of second vent holes arranged along the left-right direction at intervals.

5. The american type case top cover of claim 4, wherein: the support frame still includes two at least backup pads, and at least two the backup pad is followed left and right directions interval arrangement, the length direction of backup pad is unanimous with the fore-and-aft direction, the backup pad is the vertical platelike structure at middle height front and back both ends end, each the upper surface of backup pad all with the lower surface butt of preceding up-side board and back up-side board, the vertical downward turn-ups of rear end of preceding up-side board form eleventh turn-ups, the vertical downward turn-ups of front end of back up-side board form twelfth turn-ups, eleventh turn-ups and twelfth turn-ups cooperation form upper cover plate body joint portion, each the draw-in groove that runs through each left and right sides face is all seted up to the relative position department of upper surface and upper cover plate body joint portion of backup pad, draw-in groove and upper cover plate body joint portion phase-match, each the backup pad all passes through each draw-in groove and upper cover plate body joint portion looks joint, each the lower extreme of backup pad all levels left side and forms thirteenth turn-ups, each thirteenth turn-ups all vertically upwards forms the left end of back up-ups forms the twelfth turn-ups, each the left end of thirteenth turn-ups is all vertical upwards to be buckled, each the heat insulating board of the adjacent two sides of face down-ups is all is connected.

6. The american type case top cover of claim 5, wherein: the upper end of the clamping groove front side supporting plate is horizontally bent leftwards to form a fifteenth flanging, the upper end of the clamping groove rear side supporting plate is horizontally bent leftwards to form a sixteenth flanging, and the upper surfaces of the fifteenth flanging and the sixteenth flanging are respectively abutted to the front upper side plate and the rear upper side plate.

7. The american type case top cover of claim 6, wherein: the number of the heat insulation boards is three, and the number of the support boards is two.

8. The american type case top cover of claim 7, wherein: the supporting frame also comprises three top cover reinforcing ribs, the three top cover reinforcing ribs are arranged at intervals along the left-right direction, the three top cover reinforcing ribs comprise a horizontal section and two vertical sections, the length directions of the horizontal section and the two vertical sections are consistent with the left-right direction, the two vertical sections are opposite and are arranged at intervals, the lower ends of the two vertical sections are fixedly connected with the upper surface of the horizontal section,

9. The american type case top cover of claim 8, wherein: lifting lugs are fixedly arranged on the upper surfaces of the front upper side plate and the rear upper side plate.