CN212499830U - Section bar cooperation structure reaches cold-stored door panel that contains this structure - Google Patents

Abstract

The utility model relates to a section bar cooperation structure and contain refrigerator car door plant of this structure belongs to the railway carriage or compartment board technical field of refrigerated transport among the general vehicle. The profile matching structure comprises a door panel outer frame profile, and the door panel outer frame profile is connected with a door panel inner frame profile in a buckling manner; the cross section of the door plate outer frame profile comprises straight outer main ribs, vertical ribs and buckling parts are convexly arranged on the lower surfaces of the outer main ribs, the vertical ribs are positioned in the middle parts of the outer main ribs, and the buckling parts are positioned at the inner ends; the cross-section of the door panel inner frame profile comprises a straight inner main rib, the outer end of the inner main rib is overlapped and lapped at the inner end of the outer main rib, the vertical protrusion of the middle part of the lower surface of the inner main rib is provided with a vertical lapping rib, the free end of the vertical lapping rib is connected with a fastening clip and a fastening clip, the fastening part, the protrusion of the inner end of the lower surface of the inner main rib is provided with a connecting rib. The refrigerator car door plate further made of the frame made of the section bar has the advantages of simple structure, light weight, low heat leakage rate, good environmental protection effect and good overall strength.

Description

Section bar cooperation structure reaches cold-stored door panel that contains this structure

Technical Field

The utility model belongs to the technical field of the railway carriage or compartment board of refrigerated transport in the general vehicle, in particular to section bar cooperation structure reaches refrigerator car door plant that contains this structure.

Background

The door plant (railway carriage or compartment wall) assembly that refrigerator car adopted on the market at present is mostly wooden beam limit frame construction, polyurethane foam board is packed in the centre, the surface adopts glass steel covering to bond and constitutes, common "sandwich board" promptly, this board is because light in weight, the heat leak rate is lower, moreover, the steam generator is simple in structure, and is with low costs, the system board is convenient for most enterprises to adopt, but this kind of structure door plant's shortcoming is also more obvious, its environmental protection benefit is poor, the retrieval and utilization value is low, the bulk strength is general, rigid polyurethane foam need when the door plant preparation, according to packing the size carry out on-the-spot manual cutting, the not good recovery of the remaining material of cutting, usually be abandonment rim charge, scrapped glass steel covering is also.

Some researches on the refrigerator car wall in the prior art, such as CN101513851A, CN103737943A, CN208979547U, CN203047023U and the like, disclose the structure or manufacture of the car wall or the car, but the process improvement is large and the implementability is not strong.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a section bar cooperation structure and contain refrigerator car door plant of this structure avoids current "sandwich board" refrigerator car door plant environmental protection benefit relatively poor, and the general problem of structural strength gains simple structure, and bulk strength is better, the better effect of environmental protection effect.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a profile matching structure comprises a door plate outer frame profile, wherein the door plate outer frame profile is connected with a door plate inner frame profile in a buckling manner; the door plate outer frame section and the door plate inner frame section are both linear pieces; the cross section of the door plate outer frame profile comprises straight outer main ribs, vertical ribs and buckling parts are vertically and convexly arranged on the lower surfaces of the outer main ribs, the vertical ribs are positioned in the middle of the outer main ribs, and the buckling parts are positioned at the inner ends of the outer main ribs; the cross-section of door plant internal frame section bar includes straight interior main muscle, the outer end overlap joint of interior main muscle is on the inner of outer main muscle, the lower surface middle part vertical protrusion of interior main muscle is equipped with vertical overlap joint muscle, and the free end of vertical overlap joint muscle is connected with the orientation the lock joint checkpost that buckling parts extends just the lock joint checkpost is through elastic deformation back lock joint portion is in order to connect the door plant internal frame section bar lock on the outer frame section bar of door plant, the lower surface inner vertical protrusion of interior main muscle is equipped with the splice bar.

Further perfecting the technical scheme, the outer main rib comprises an outer structure section and an inner structure section which are parallel to each other, the inner end of the outer structure section is connected with the outer end of the inner structure section through a vertical structure section which is vertical to the outer structure section so as to form a step on the outer main rib, and the outer end of the lower surface of the inner main rib is overlapped and lapped on the upper surface of the inner structure section; the vertical ribs are connected to the middle of the lower surface of the outer structure section, and the buckling parts are connected to the inner end of the lower surface of the inner structure section.

Furthermore, the upper surface of interior owner muscle is parallel and level with the upper surface of outer structure section, the outer end terminal surface of interior owner muscle with vertical structure section pastes.

Furthermore, a plurality of grooves are formed in the overlapped and connected surface of the inner main rib and the inner structure section, so that more sealant can be contained.

Furthermore, the buckling part is L-shaped and formed by bending the inner end of the inner structure section downwards, and the free end of the buckling part faces the outer end of the inner structure section; the vertical lapping rib and the fastening clip are correspondingly attached to the fastening part, and the fastening clip fastens the free end face of the fastening part.

Furthermore, the connecting rib is formed by bending the inner end of the inner main rib downwards, and a concave vertical groove is formed in the end face of the free end of the connecting rib.

The utility model also relates to a refrigerator car door plate, which comprises the section bar matching structure; the door plate outer frame sectional material extends into a circle and forms a door plate outer frame, the door plate inner frame sectional material extends into a circle and forms a door plate inner frame, the end face of the outer end of the circle of outer main rib is connected with an outer skin in a sealing mode, a door plate core is clamped between the outer skin and the circle of vertical rib, the connecting rib of the circle of inner main rib is connected with an inner skin in a sealing mode, and a heat insulation layer is filled between the inner skin and the door plate core; and sealant is coated between the overlapped surfaces of the inner main rib and the outer main rib.

Further, the outer skin and the inner skin are both made of aluminum plates.

Furthermore, the outer side surface of the outer skin is connected with a plurality of hinges, and the outer side surface of the outer skin is also connected with a lock assembly.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a section bar cooperation structure can regard as the frame use of refrigerator car's door plant, makes the section bar extend and is the confined round, just can be at the outer end face seal of round owner muscle outer covering, presss from both sides between outer covering and the vertical muscle of round and is equipped with the door plant core, the interior covering of splice bar sealing connection of round owner muscle, at last including the covering with adopt the foaming to pour into technology between the door plant core and fill the heat preservation, make into simple structure, light in weight, the heat leak rate low, environmental protection is effectual, the retrieval value is high, a refrigerator door plate structure that bulk strength is good.

2. The utility model discloses a refrigerator car door plant has simple structure, light in weight, the heat leak rate is low, the environmental protection is effectual, the retrieval and utilization value is high, overall strength advantage such as good, and the cost is also not high, and the feasibility of implementation is strong.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a mating member of one embodiment of a profile mating arrangement;

FIG. 2 is a schematic view of another mating member in a profile mating arrangement according to an exemplary embodiment;

FIG. 3 is a schematic view of a refrigerator car door panel according to an embodiment;

FIG. 4 is a schematic view of another embodiment of a refrigerator car door panel;

FIG. 5 is a cross-sectional view of a refrigerator car door panel according to an exemplary embodiment.

Reference numerals:

the door plate outer frame profile comprises a door plate outer frame profile 100, an outer main rib 1, an outer structure section 11, an inner structure section 12, a vertical structure section 13, a vertical rib 14, a buckling part 15, a groove 16, a door plate inner frame profile 200, an inner main rib 2, a vertical lap joint rib 21, a buckling clip 22, a connecting rib 23, a vertical groove 24, a door plate outer frame 10, a door plate inner frame 20, an outer skin 30, a door plate core 40, an inner skin 50, a heat preservation layer 60, a hinge 70 and a lockset assembly 80.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1 and 2, a profile matching structure includes a door panel outer frame profile 100, and a door panel inner frame profile 200 is fastened and connected to the door panel outer frame profile 100; the door panel outer frame profile 100 and the door panel inner frame profile 200 are both extruded linear profiles, and the cross sections of the extruded linear profiles have the same appearance, and the cross section shapes are described in further detail later. The cross section of the door plate outer frame profile 100 comprises a straight outer main rib 1, a vertical rib 14 and a buckling part 15 are vertically and convexly arranged on the lower surface of the outer main rib 1, the vertical rib 14 is positioned in the middle of the outer main rib 1, and the buckling part 15 is positioned at the inner end of the outer main rib 1; the cross sectional shape of door plant inner frame section bar 200 includes straight interior main muscle 2, the outer end overlap joint of interior main muscle 2 is on the inner of outer main muscle 1, and the outer end of the lower surface of interior main muscle 2 pastes with the inner of the upper surface of outer main muscle 1 mutually promptly, the perpendicular arch in lower surface middle part of interior main muscle 2 is equipped with vertical overlap joint muscle 21, and the free end of vertical overlap joint muscle 21 is connected with the orientation the lock joint checkpost 22 that buckling part 15 (the outer end of interior main muscle 2) extends just lock joint checkpost 22 is through elastic deformation (the assembly is the common elastic deformation of vertical overlap joint muscle 21 and lock joint checkpost 22) back lock joint portion 15 is in order to connect door plant inner frame section bar 200 lock on door plant outer frame section bar 100, the perpendicular arch in the lower surface of interior main muscle 2 is equipped with splice bar 23.

Referring to fig. 5, the section bar matching structure of the embodiment can be used as a frame of a door panel of a refrigerator car, so that the section bar extends to form a closed circle, an outer skin 30 is hermetically connected to the outer end face of the circle of outer main ribs 1, a door panel core 40 is clamped between the outer skin 30 and the circle of vertical ribs 14, an inner skin 50 is hermetically connected to the connection ribs 23 of the circle of inner main ribs 2, and finally a heat insulation layer 60 is filled between the inner skin 50 and the door panel core 40 by adopting a foaming injection process, so that the refrigerator door panel structure is simple in structure, light in weight, low in heat leakage rate, good in environmental protection effect, high in recycling value and good in overall strength.

The outer main rib 1 comprises an outer structure section 11 and an inner structure section 12 which are parallel to each other, the inner end of the outer structure section 11 is connected with the outer end of the inner structure section 12 through a vertical structure section 13 which is vertical to the outer structure section and extends downwards so as to form a step on the outer main rib 1, and the outer end of the lower surface of the inner main rib 2 is overlapped and lapped on the upper surface of the inner structure section 12; the vertical rib 14 is connected to the middle of the lower surface of the outer structure section 11, and the buckling part 15 is connected to the inner end of the lower surface of the inner structure section 12.

Thus, a special functional lap joint section (inner structure section 12) is arranged, so that lap joint assembly and subsequent sealing of the inner main rib 2 and the outer main rib 1 are facilitated.

Wherein, the upper surface of interior owner muscle 2 and the upper surface parallel and level of outer structure section 11, the outer end terminal surface of interior owner muscle 2 with vertical structure section 13 pastes mutually.

Therefore, each end face of the manufactured refrigerator car door plate is smoother and more attractive, the refrigerator car door plate is convenient to use, and meanwhile, the sealing effect can be better guaranteed.

The overlapped surfaces of the inner main rib 2 and the inner structure section 12 are provided with a plurality of grooves 16 so as to accommodate more sealant when the door panel is assembled, all the grooves 16 are arranged at intervals along the length of the inner structure section 12, during implementation, the grooves 16 can be arranged on the lower surface of the inner main rib 2 or/and the upper surface of the inner structure section 12, and the implementation is that three V-shaped grooves are arranged at intervals on the upper surface of the inner structure section 12.

The buckling part 15 is L-shaped and formed by bending the inner end of the inner structure section 12 downwards, and the free end of the buckling part 15 faces the outer end of the inner structure section 12 (i.e. extends towards the direction of the vertical rib 14); the vertical lapping rib 21 and the buckling clip 22 are correspondingly attached to the outer side surface of the buckling part 15, and the buckling clip 22 buckles the free end surface of the buckling part 15; in this embodiment, the fastening clip 22 is also the form of L shape, including horizontal segment and vertical section, the horizontal segment links to each other with the lower extreme of vertical overlap joint muscle 21, the free end terminal surface of vertical section buckling part 15, in order to guarantee the reliability of fastening, the free end of vertical segment still slightly is inwards inclined in order to form hook-like in this embodiment, catch on the free end terminal surface of buckling part 15, hooked outside chamfer to make the transmission of vertical overlap joint muscle 21 and fastening clip 22 elastic deformation's power during the assembly.

Thus, the connection is reliable, and the L-shaped buckling part 15 also forms a cavity form at the inner side, so that the connection strength of the insulating layer 60 filled by the subsequent foaming injection process can be improved.

The connecting rib 23 is formed by bending the inner end of the inner main rib 2 downwards, and a concave vertical groove 24 is formed in the free end face of the connecting rib 23.

In this way, the edge of the inner skin 50 can be clamped and connected in the vertical groove 24 and coated with sealant for bonding and sealing, so that the connection reliability and the connection tightness are further improved.

Referring to fig. 3 to 5, the present embodiment further provides a door panel of a refrigerator car, including the above-mentioned profile fitting structure; door plant outer frame section bar 100 extends and is the round and forms door plant outer frame 10, and door plant inner frame section bar 200 extends and is the round and forms door plant inner frame 20, and during the implementation, the door plant is the rectangle door plant usually, the extension be the round correspond also the rectangle, including two vertical limits and two horizontal limits, the transition department on vertical limit and horizontal limit can be the great circular arc transition of quarter circle, also can be that the both ends on vertical limit and horizontal limit are fallen 45 degrees angles respectively, then bump to connect, can adopt the welding.

As the sectional material, it can be understood that the outer structural section 11, the vertical structural section 13, the inner structural section 12, the vertical rib 14 and the fastening portion 15 of the door panel outer frame sectional material 100 are an integral structure, and the door panel outer frame sectional material 100 is preferably made of an aluminum alloy material, in this embodiment, the door panel outer frame 10 is a door panel outer frame sectional material 100 in the form of two vertical sides and two transverse sides, two ends of the sectional material are respectively chamfered by 45 degrees, and the sectional material is butted, connected and welded to form a circle of door panel outer frame 10.

As the sectional material, it can be understood that the inner main rib 2, the vertical lap joint rib 21, the fastening clip 22 and the connecting rib 23 of the door panel inner frame sectional material 200 are of an integral structure, and the door panel inner frame sectional material 200 is preferably made of PVC; in this embodiment, the door panel inner frame 20 corresponds the door panel inner frame section bar 200 that also adopts two vertical limits and two horizontal limit forms, and 45 jiaos are fallen respectively to the section bar both ends, and each section bar segmentation lock connect on the door panel outer frame section bar 100 that corresponds can, and the position that 45 jiaos of chamfer of tip collided can be through right angle support at the medial surface of splice bar 23 and consolidate the connection.

After the frame is assembled, the outer end face of the circle of outer main ribs 1 is in sealed connection with an outer skin 30, and is sealed and bonded by sealing glue, a wooden door panel core 40 (the door panel core 40 is firstly assembled and then the outer skin 30 is sealed) with a protective effect is clamped between the outer skin 30 and the circle of vertical ribs 14, the connecting ribs 23 of the circle of inner main ribs 2 are in sealed connection with an inner skin 50, of course, when the connecting ribs 23 are provided with vertical grooves 24, the edges of the inner skin 50 are clamped in the vertical grooves 24 and are coated with sealing glue for bonding and sealing, and a heat insulation layer 60 is filled between the inner skin 50 and the door panel core 40; sealant is coated between the overlapped surfaces of the inner main reinforcement 2 and the outer main reinforcement 1 (the inner structure section 12).

The outer skin 30 and the inner skin 50 are preferably made of aluminum plates, the outer side of the outer skin 30 is connected with a plurality of hinges 70, and the outer side of the outer skin 30 is further connected with a lock assembly 80 so as to perfect functions and connection structures of the door panel.

In implementation, the insulating layer 60 is manufactured by a foam-in-place injection process, and is formed by foam injection after the door panel outer frame 10, the door panel inner frame 20, the door panel core 40, the outer skin 30 and the inner skin 50 are assembled and connected.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a section bar cooperation structure which characterized in that: the door plate outer frame profile is connected with a door plate inner frame profile in a buckling manner; the door plate outer frame section and the door plate inner frame section are both linear pieces;

the cross section of the door plate outer frame profile comprises straight outer main ribs, vertical ribs and buckling parts are vertically and convexly arranged on the lower surfaces of the outer main ribs, the vertical ribs are positioned in the middle of the outer main ribs, and the buckling parts are positioned at the inner ends of the outer main ribs;

the cross-section of door plant internal frame section bar includes straight interior main muscle, the outer end overlap joint of interior main muscle is on the inner of outer main muscle, the lower surface middle part vertical protrusion of interior main muscle is equipped with vertical overlap joint muscle, and the free end of vertical overlap joint muscle is connected with the orientation the lock joint checkpost that buckling parts extends just the lock joint checkpost is through elastic deformation back lock joint portion is in order to connect the door plant internal frame section bar lock on the outer frame section bar of door plant, the lower surface inner vertical protrusion of interior main muscle is equipped with the splice bar.

2. The profile fitting structure according to claim 1, wherein: the outer main rib comprises an outer structure section and an inner structure section which are parallel to each other, the inner end of the outer structure section is connected with the outer end of the inner structure section through a vertical structure section which is vertical to the outer structure section so as to form a step on the outer main rib, and the outer end of the lower surface of the inner main rib is overlapped and lapped on the upper surface of the inner structure section;

the vertical ribs are connected to the middle of the lower surface of the outer structure section, and the buckling parts are connected to the inner end of the lower surface of the inner structure section.

3. The profile fitting structure according to claim 2, wherein: the upper surface of interior owner muscle and the upper surface parallel and level of outer structure section, the outer end terminal surface of interior owner muscle with vertical structure section pastes.

4. The profile fitting structure according to claim 2, wherein: the overlapped surface of the inner main rib and the inner structure section is provided with a plurality of grooves so as to contain more sealant.

5. The profile fitting structure according to claim 2, wherein: the buckling part is L-shaped and formed by bending the inner end of the inner structure section downwards, and the free end of the buckling part faces the outer end of the inner structure section; the vertical lapping rib and the fastening clip are correspondingly attached to the fastening part, and the fastening clip fastens the free end face of the fastening part.

6. A profile fitting structure according to any one of claims 1 to 5, wherein: the connecting rib is formed by bending the inner end of the inner main rib downwards, and a concave vertical groove is formed in the free end face of the connecting rib.

7. A refrigerator car door plant which characterized in that: comprising a profile-fitting structure according to any one of claims 1-6; the door plate outer frame section bar extends to form a circle and forms a door plate outer frame, the door plate inner frame section bar extends to form a circle and forms a door plate inner frame,

the outer end face of the circle of outer main ribs is hermetically connected with an outer skin, a door panel core is clamped between the outer skin and the circle of vertical ribs, the connecting ribs of the circle of inner main ribs are hermetically connected with an inner skin, and a heat insulation layer is filled between the inner skin and the door panel core; and sealant is coated between the overlapped surfaces of the inner main rib and the outer main rib.

8. A refrigerator car door panel as claimed in claim 7, wherein: the outer skin and the inner skin are both made of aluminum plates.

9. A refrigerator car door panel as claimed in claim 8, wherein: the outer side surface of the outer skin is connected with a plurality of hinges, and the outer side surface of the outer skin is also connected with a lock assembly.

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