CN211308203U - Integrated full-composite material refrigerator car door - Google Patents
Integrated full-composite material refrigerator car door Download PDFInfo
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- CN211308203U CN211308203U CN201922280478.5U CN201922280478U CN211308203U CN 211308203 U CN211308203 U CN 211308203U CN 201922280478 U CN201922280478 U CN 201922280478U CN 211308203 U CN211308203 U CN 211308203U
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- door plate
- refrigerator car
- door
- integrally formed
- car door
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Abstract
The utility model discloses an integrally formed full composite material refrigerator car door, which comprises an inner door plate and an outer door plate, wherein the inner door plate and the outer door plate are made of integrally formed composite materials, and the outer door plate and the inner door plate are respectively provided with a reinforcing square pipe and a cap-shaped rib which are used for improving the rigidity and the strength of the door plates; and the cavity between the inner door plate and the outer door plate is filled with foaming foam. And the inner surface and the outer surface of the outer door plate are provided with metal embedded parts for bearing concentrated loads. The inner door plate is provided with a steel sheet metal frame for improving the rigidity of the inner door plate. The utility model discloses an inside and outside door plant uses full combined material, and the quality is light to use the metal built-in fitting to strengthen the rigidity and the intensity of the door body, use integrated into one piece technology, spare part is small in quantity, simple structure, the preparation is convenient.
Description
Technical Field
The utility model relates to a refrigerator car door especially relates to a full combined material refrigerator car door of integrated into one piece.
Background
The door of the refrigerator car is a key structure of the refrigerator car, and the air tightness and the heat insulation performance of the car are directly influenced. The existing refrigerator car door body is generally of a sandwich structure and comprises an outer door plate and a door shell, the door shell is of a hand-pasted glass fiber reinforced plastic structure, the outer door plate is of a metal structure, and the door shell and the outer door plate are connected to form a cavity to be integrally foamed into the door body.
The existing refrigerator car door sandwich structure door body mainly has the following problems: firstly, door body parts are more, the manufacturing process is complex, the welding deformation of the outer door plate is large, the field production environment of the structure of manually pasting the glass fiber reinforced plastic material for the inner door plate is severe, the smell is large, and the mass dispersibility of the inner door plate is large; secondly, the door body is heavy and difficult to assemble; thirdly, the whole rigidity is insufficient, and the middle part of the door body frame generates plastic deformation under the influence of the side pressure of goods during operation, so that the sealing performance is influenced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a simple structure, preparation convenience, light in weight, sealed effectual, the big integrated into one piece full combined material refrigerator car door of intensity and rigidity.
The technical scheme is as follows: the utility model discloses an integrally formed full composite material refrigerator car door, including outer door plant, interior door plant is composite material integrated into one piece, install respectively on outer door plant, the interior door plant and be used for improving the enhancement side pipe and the cap type muscle of door plant rigidity and intensity; and the cavity between the inner door plate and the outer door plate is filled with foaming foam.
In order to improve the load bearing capacity of the inner door panel and the outer door panel, metal embedded parts for bearing concentrated loads are arranged on the inner surface and the outer surface of the outer door panel.
In order to enhance the rigidity and strength of the inner and outer door panels when the inner and outer door locks and other components are installed, the metal embedded parts comprise door lock embedded parts and hinge embedded parts.
Preferably, nuts are welded to the metal embedment for connection with an external mechanism.
Preferably, the reinforcing square tubes are arranged in a mutually crossed manner, and metal lugs are arranged at corners of the mutually crossed reinforcing square tubes. The reinforcing square tubes can be arranged in a crisscross mode.
In order to provide the mounting point of the external sealing strip self-tapping screw and improve the overall structural strength and rigidity of the inner door plate, the inner door plate is provided with a steel sheet metal frame.
Preferably, a sealing rubber strip is arranged on the steel sheet metal frame.
Preferably, the outer door panel, the reinforcing square pipe and the reinforcing frame are integrally formed.
Preferably, the inner door panel and the steel sheet metal frame are integrally formed.
For further thermal insulation, the internal cavities of the reinforcing square tubes and the cap-shaped ribs are filled with foam. The foam can insulate heat and can be used as a molded surface when the reinforced square pipe and the cap-shaped rib are paved.
In order to exert the advantage of strong designability of the composite material and improve the strength and rigidity of the inner door panel and the outer door panel in the transverse direction and the longitudinal direction, the composite material layers forming the outer door panel and the inner door panel comprise 0-degree and 90-degree layers; in order to improve the transverse bending rigidity of the reinforced square pipe and the hat-shaped rib to the maximum extent, the composite material layer forming the reinforced square pipe and the hat-shaped rib is a 0-degree layer.
Has the advantages that: compared with the prior art, the utility model discloses following beneficial effect has: (1) the inner door plate and the outer door plate of the invention use the composite material and the layer which are integrally formed, and are assembled with the reinforcing piece, so that the utility model has the advantages of simple structure, convenient manufacture and light weight, and simultaneously ensures the requirements of high strength, high rigidity and sealing performance. (2) The steel plate metal frame is adopted, so that the mounting points of other parts are provided, and the strength and the rigidity of the door body are improved. (3) The heat conductivity coefficient of the full composite material is more than 10 times lower than that of metal, and the heat insulation performance of the car door can be further improved. (4) The inner cavities of the reinforcing components such as the square pipe and the cap-shaped rib are also filled with foaming foam, so that the heat insulation effect of the door body is further improved. (5) The utility model discloses can use on like railway freight car's refrigerator car, can show each item performance that improves current refrigerator car door.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner surface of the outer door panel according to the present invention;
FIG. 3 is a schematic view of the outer surface of the outer door panel of the present invention;
FIG. 4 is a partial cross-sectional view of an outer door panel of the present invention;
FIG. 5 is a schematic view of the inner surface of the inner door panel of the present invention;
fig. 6 is a partial cross-sectional view of the inner door panel of the present invention.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific examples.
As shown in fig. 1, wherein 1 outer door panel, 2 metal frame, 3 inner door panel, 4 square tube, 5 hat type rib, 6 metal embedded part, 7 door lock embedded part, 8 hinge embedded part, 9 welding nut, 10 metal lug, 11 steel plate gold frame, 12 foaming foam. The utility model discloses a full combined material refrigerator car door of integrated into one piece, including outer door plant 1, metal crate 2 and interior door plant 3. The outer door plate 1 and the metal frame 2 are formed in one step through a composite material co-curing process, and the metal frame 2 in the embodiment uses a reinforcing frame; the hat-shaped rib 5 and the inner door panel 1 are formed in one step through a composite material co-curing process; and finally, adhering the inner door plate and the outer door plate by using an adhesive, and filling all the cavities inside with foaming foam.
Fig. 2 is a schematic view of the outer surface of the outer door panel 1. Metal embedment 6 includes door lock embedment 7 and hinge embedment 8. The back of the outer door plate 1 is provided with a door lock inner embedded part and a hinge inner embedded part. The embedded parts in the hinges and the door lock are matched with welding nuts 9 and used for being connected with an external mechanism and integrally connected with the outer door plate 1 and the square pipe 4 in a curing way. Aiming at the positioning problem of the metal embedded part, a positioning pin needs to be made on the die in advance to ensure the relative position of the metal embedded part on the inner door plate and the outer door plate. The outer door panel 1 is provided with square pipes 4 which are transversely and longitudinally arranged at certain intervals, the reinforced square pipes are used in the embodiment, the transverse corners and the longitudinal corners are weak in combination and stress concentration positions, the metal lug plates 10 are bonded in the embodiment, and the reinforced metal lug plates are used to improve the strength of the corners. The paving layers of the outer door panel 1 are designed into 0-degree and 90-degree paving layers, the advantage of strong designable shape of the composite material is exerted, and the transverse and longitudinal strength and rigidity of the outer door panel 1 are improved. The square tube 4 is designed into a 0-degree layer, so that the transverse bending rigidity of the square tube is improved to the maximum extent. The plastic is integrally formed through a vacuum leading-in process.
As shown in fig. 3, the outer surface of the outer door panel 1 is schematically composed of a hinge embedded part and a door lock embedded part, which are installed on the outer surface of the outer door panel 1.
As shown in fig. 4, the partial cross-sectional view of the outer door panel 1 shows the structural details of the metal embedded parts 6, the composite material has low interlayer strength and is not suitable for bearing the normal peeling stress, the outer door panel 1 of the composite material is clamped between the inner metal embedded parts 6 and the outer metal embedded parts 6, and the load is mainly borne by the metal embedded parts 6, so that the composite material is prevented from bearing the normal peeling stress. The paving layers of the inner door panel 3 are designed into 0-degree and 90-degree paving layers, the advantage of strong designable shape of the composite material is exerted, and the transverse and longitudinal strength and rigidity of the outer door panel are improved. The cap-shaped rib laying layer is designed to be a 0-degree laying layer, so that the transverse bending rigidity of the reinforced cap-shaped rib is improved to the maximum extent.
As shown in fig. 5 and 6, which are a composition diagram of the inner door panel 3 and a partial sectional view of the inner door panel 3, the steel plate metal frame 11 and the inner door panel 3 are integrally formed, and the steel plate metal frame 11 is used as a mounting point for the tapping screw of the exterior weather strip and can improve the overall structural strength and rigidity of the inner door panel 3. The cap-shaped rib 5 is selected as the reinforcing rib structure of the inner door panel 3, the foam 12 is filled in the cap-shaped rib 5, and the cap-shaped rib and the inner door panel 3 are integrally solidified and formed and are integrally formed through a vacuum leading-in process.
Claims (8)
1. An integrally-formed full-composite refrigerator car door is characterized by comprising an outer door plate (1) and an inner door plate (3), wherein the inner door plate and the outer door plate are made of integrally-formed composite materials, and a reinforcing square tube (4) and a cap-shaped rib (5) for improving the rigidity and the strength of the door plates are respectively arranged on the outer door plate (1) and the inner door plate (3); the cavity between the inner and outer door panels is filled with a foamed foam (12).
2. The integrally formed all composite refrigerator car door according to claim 1, wherein the outer door panel (1) is fitted at its inner and outer surfaces with a metal embedment (6) for carrying concentrated loads.
3. The integrally formed all composite refrigerator car door according to claim 2, wherein the metal embedment (6) comprises a door lock embedment (7) and a hinge embedment (8).
4. The integrally formed fully composite refrigerator car door according to claim 2, wherein a nut (9) is welded to the metal embedment (6) for connection to an external mechanism.
5. The integrally formed full composite refrigerator car door according to claim 1, wherein said square reinforcing tubes (4) are provided in a plurality and are arranged to cross each other, and metal tabs (10) are installed at the corners of said crossed square reinforcing tubes (4).
6. An integrally formed all composite refrigerator car door according to claim 1, wherein said inner door panel is fitted with a sheet metal frame (11) for increasing the rigidity of the inner door panel and providing a bead attachment point.
7. The integrally formed full composite refrigerator car door according to claim 6, wherein a sealing rubber strip is mounted on the steel sheet metal frame (11).
8. The integrally formed all composite refrigerator car door according to claim 1, wherein the internal cavities of the reinforcing square tube (4) and the hat-shaped rib (5) are filled with foamed foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922280478.5U CN211308203U (en) | 2019-12-18 | 2019-12-18 | Integrated full-composite material refrigerator car door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922280478.5U CN211308203U (en) | 2019-12-18 | 2019-12-18 | Integrated full-composite material refrigerator car door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211308203U true CN211308203U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922280478.5U Active CN211308203U (en) | 2019-12-18 | 2019-12-18 | Integrated full-composite material refrigerator car door |
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| Country | Link |
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| CN (1) | CN211308203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978967A (en) * | 2019-12-18 | 2020-04-10 | 凯勒(南京)新材料科技有限公司 | Integrally-formed full-composite refrigerator car door and preparation method |
-
2019
- 2019-12-18 CN CN201922280478.5U patent/CN211308203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978967A (en) * | 2019-12-18 | 2020-04-10 | 凯勒(南京)新材料科技有限公司 | Integrally-formed full-composite refrigerator car door and preparation method |
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