CN111942119A - Refrigerator car back door installing frame and refrigerator car - Google Patents
Refrigerator car back door installing frame and refrigerator car Download PDFInfo
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- CN111942119A CN111942119A CN202010935210.5A CN202010935210A CN111942119A CN 111942119 A CN111942119 A CN 111942119A CN 202010935210 A CN202010935210 A CN 202010935210A CN 111942119 A CN111942119 A CN 111942119A
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- frame
- refrigerator car
- bottom plate
- rear end
- face
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- 238000009434 installation Methods 0.000 claims abstract description 30
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 8
- 238000005728 strengthening Methods 0.000 claims abstract description 6
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 208000016261 weight loss Diseases 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
- B60J5/108—Doors arranged at the vehicle rear for load transporting vehicles or public transport, e.g. lorries, trucks, buses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the technical field of refrigerator car manufacturing, and discloses a refrigerator car rear door mounting frame and a refrigerator car. The refrigerator car back door installing frame is used for installing the rear end face at the carriage body, including four frames, four frames are aluminium alloy ex-trusions, four frames connect gradually and enclose into rectangular frame, every frame includes that the cross section is the installation department of "type", four installation departments cladding in the rear end face of four box walls of carriage body one-to-one, the bottom plate and the rear end face of installation department are parallel, the bottom plate is provided with spacing strengthening rib towards one side of rear end face, one side that two relative frames that set up deviate from the rear end face is provided with the installation convex part respectively, the installation convex part is used for installing the pivot. The refrigerator car back door mounting frame is light in weight, high in strength and high in overall shape precision. The refrigerator car provided by the invention has the advantages that the refrigerator car rear door mounting frame is arranged, the rear door mounting precision can be improved, the weight of the whole car is reduced, and the service life of the whole car is prolonged.
Description
Technical Field
The invention relates to the technical field of refrigerator car manufacturing, in particular to a refrigerator car rear door mounting frame and a refrigerator car.
Background
Refrigerated vehicles are a key piece of equipment in a low temperature cold chain logistics. The carriage of refrigerator car includes carriage body and back door, and wherein the rear end face department of carriage body is provided with the installing frame, and the back door is articulated with the installing frame and then realizes being connected with the carriage body.
In the prior art, the mounting frame is usually supported by a sheet metal structure, but the sheet metal structure can rebound after being formed, so that the precision of the whole mounting frame is reduced, the mounting precision of a rear door of the box body is further influenced, and the sealing property of a refrigerator car carriage is poor; in addition, the strength of the sheet metal structure is limited, the sheet metal structure is easy to deform after long-time use, and the service life is short.
Therefore, it is desirable to provide a rear door mounting frame for a refrigerator car and a refrigerator car to solve the above problems.
Disclosure of Invention
The first purpose of the invention is to provide a refrigerator car rear door mounting frame which is light in weight, high in strength and high in overall shape precision.
The second purpose of the invention is to provide a refrigerator car, which can improve the mounting precision of the rear door, reduce the weight of the whole car and prolong the service life of the whole car by arranging the rear door mounting frame of the refrigerator car.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a refrigerator car back door installing frame for install the rear end face at the carriage body, including four frames, four the frame is the aluminum alloy ex-trusions, four the frame connects gradually and encloses into rectangular frame, every the frame includes that the cross section is the installation department of "type, four the installation department cladding one-to-one in the rear end face of four box walls of carriage body, the bottom plate of installation department with the rear end face is parallel, the bottom plate orientation one side of rear end face is provided with spacing strengthening rib, and two relative frames that set up deviate from one side of rear end face is provided with the installation convex part respectively, the installation convex part is used for installing the pivot.
Optionally, the refrigerator car rear door mounting frame further comprises a right-angle reinforcement, and the right-angle reinforcement is used for fixedly connecting two adjacent side frames.
Optionally, the length direction of the frame that spacing strengthening rib corresponds extends along it, spacing strengthening rib with correspond the lateral wall of installation department forms the spacing groove, two right-angle sides of right angle reinforcement joint respectively at the spacing inslot of two adjacent frames.
Optionally, at least one of the right-angle sides of the right-angle reinforcement is provided with a weight-reduction groove.
Optionally, the four frames are respectively:
the two ends of the bottom plate of the upper frame are respectively provided with a first positioning part;
a lower frame, wherein two ends of the bottom plate of the lower frame are respectively provided with a second positioning part
The side frames are arranged in parallel, a third positioning portion is arranged at the upper end of the bottom plate of each side frame, a fourth positioning portion is arranged at the lower end of the bottom plate of each side frame, the third positioning portion is abutted and spliced with the first positioning portion, and the fourth positioning portion is abutted and spliced with the second positioning portion.
Optionally, the mounting convex parts are respectively arranged on the two side frames, and the projection of the mounting convex parts on the plane of the bottom plate falls within the range of the corresponding bottom plate;
the mounting convex parts comprise a plurality of mounting sub-convex parts which are arranged along the length direction of the side frame at intervals, each mounting sub-convex part is provided with a first through hole which extends along the length direction of the side frame, and the first through holes are coaxially arranged.
Optionally, the upper frame further comprises a first protection plate, and the first protection plate is arranged on one side, away from the rear end face, of the bottom plate of the upper frame;
the first protection plate is far away from one end, connected with the first protection plate, of the bottom plate and is in a hook shape, and the first protection plate is arranged in an upward inclined mode along the direction from the front to the back.
Optionally, the lower frame still includes the second guard plate, the second guard plate sets up the lower frame the bottom plate deviates from one side and the perpendicular to of rear end face the rear end face, be provided with on the guard plate and dodge the hole.
Optionally, an auxiliary reinforcing member is further disposed on one side, facing the rear end face, of the bottom plate of the lower frame, and the auxiliary reinforcing member extends along the length direction of the lower frame.
A refrigerator car comprises the refrigerator car rear door installation frame.
The invention has the beneficial effects that:
according to the refrigerator car, the four frames surround to form a rectangular frame, and the installation parts with the cross sections in the shape of the Chinese character 'ji' are correspondingly coated on the rear end surfaces of the upper, lower, left and right box body walls of the carriage body one by one, so that the rear end surfaces of the carriage body can be protected and strengthened; the two rotating shafts are respectively and rotatably connected to the mounting convex parts of the two frames so as to realize the mounting and fixing of the back door and the carriage body; the four frames are all made of aluminum alloy sections, so that the refrigerator car is light in weight, low in cost and not easy to rust, and in addition, the aluminum alloy sections cannot rebound, so that the shape precision of the whole mounting frame is high, the mounting precision of a rear door of the refrigerator car is ensured, and the sealing property of the rear door and the car body is further ensured; the limiting reinforcing ribs arranged on each frame further improve the strength of the whole rear door mounting frame, and the service life of the rear door mounting frame is guaranteed.
The second purpose of the invention is to provide a refrigerator car, which can improve the mounting precision of the rear door, reduce the weight of the whole car and prolong the service life of the whole car by arranging the rear door mounting frame of the refrigerator car.
Drawings
FIG. 1 is a schematic view of a portion of a refrigerated vehicle compartment provided in accordance with an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a schematic view of a rear door frame of a refrigerator car according to an embodiment of the present invention from a first perspective;
FIG. 6 is an enlarged view at C in FIG. 5;
FIG. 7 is a schematic structural view of a rear door mounting frame of a refrigerated vehicle from a second perspective in accordance with an embodiment of the present invention;
FIG. 8 is an enlarged view at D of FIG. 7;
FIG. 9 is a schematic structural diagram of an upper bezel provided in accordance with an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a lower frame according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a side frame according to an embodiment of the present invention.
In the figure:
100-a carriage body; 200-a rear door; 201-a pull rod; 202-a locking structure; 203-a mating portion; 300-a crash block;
11-a mounting portion; 111-a backplane; 12-limiting reinforcing ribs;
2-right angle reinforcement; 21-weight reduction slots; 22-square edge;
31-upper border; 311-a first positioning portion; 312-a first guard plate; 32-lower border; 321-a second positioning portion; 322-a second guard plate; 323-avoiding holes; 33-side frame; 331-a third location portion; 332-a fourth locator portion; 333-mounting sub-boss; 334-a first through hole; 34-a decorative plate;
4-auxiliary reinforcement.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment relates to the technical field of refrigerator car manufacturing, and provides a refrigerator car back door installing frame and a refrigerator car. As shown in fig. 1, the carriage of the refrigerator car includes a carriage body 100, a back door mounting frame, two rotating shafts and two back doors 200, wherein the carriage body 100 is of a cuboid box structure, the back door mounting frame is mounted at the rear end face of the carriage body 100, each back door 200 is rotatably matched with one rotating shaft, the rotating shafts are connected to the back door mounting frame and rotatably matched with the back door mounting frame, so that the back doors 200 can be opened and closed in a rotating manner relative to the carriage body 100.
As shown in fig. 2-4, the refrigerator car rear door mounting frame includes four frames, the four frames are aluminum alloy sections, the four frames are connected in sequence to enclose a rectangular frame, each frame includes an installation portion 11 with a cross section of a shape of "", the four installation portions 11 are wrapped on the rear end faces of the four box walls of the carriage body 100 in a one-to-one correspondence manner, a bottom plate 111 of the installation portion 11 is parallel to the rear end face, one side of the bottom plate 111 facing the rear end face is provided with a limiting reinforcing rib 12, one side of the two oppositely-arranged frames departing from the rear end face is provided with mounting convex portions respectively, and the mounting convex portions.
According to the refrigerator car, the four frames surround to form a rectangular frame, and the mounting parts 11 with the cross sections in the shape of the Chinese character 'ji' are correspondingly coated on the rear end surfaces of the upper, lower, left and right box body walls of the carriage body 100 one by one, so that the rear end surface of the carriage body 100 can be protected and strengthened; the two rotating shafts are respectively and rotatably connected to the mounting convex parts of the two frames so as to realize the mounting and fixing of the back door and the carriage body 100; the four frames are all made of aluminum alloy sections, so that the refrigerator car is light in weight, low in cost and not easy to rust, and in addition, the aluminum alloy sections cannot rebound, so that the shape precision of the whole mounting frame is high, the mounting precision of the rear door 200 of the refrigerator car is ensured, and the sealing property of the rear door 200 and the car body 100 is further ensured; the limiting reinforcing ribs 12 of each frame further improve the strength of the whole rear door mounting frame, and the service life of the rear door mounting frame is guaranteed. The refrigerator car can improve the installation accuracy of the back door 200 by arranging the back door installation frame, so that the sealing performance of the back door 200 and the carriage body 100 is ensured, the weight of the whole car can be reduced, and the service life of the whole car can be prolonged.
Specifically, in the present embodiment, after the four frames are spliced and fixed, the bottom plates 111 of the mounting portions 11 of the four frames are coplanar. Preferably, four frames are connected with the carriage body 100 in a riveting manner, the riveting connection manner is convenient to install, and looseness is not easy to occur even after long-time use. Preferably, as shown in fig. 4, when the rear door 200 is opened, a part of the frame provided with the mounting protrusion is changed from a state covered by the rear door 200 to an exposed state, in this embodiment, the outer side of the frame mounting portion 11 provided with the mounting protrusion is covered with a decorative plate 34, and the decorative plate 34 can be used to improve the aesthetic appearance of the refrigerator car.
Preferably, as shown in fig. 3 to 5, the rear door mounting frame of the refrigerator car further includes a right-angle reinforcement 2, and the right-angle reinforcement 2 is used for fixedly connecting two adjacent side frames. When the back door installing frame is installed, the installing frame is fixedly connected in pairs through the four right-angle reinforcing pieces 2, and then the whole frame is installed at the local rear end face of the carriage, so that the shape precision and the installation precision of the installing frame are guaranteed. And right angle reinforcement 2 can strengthen the hookup location department between the frame, further guarantees that whole back door installing frame is difficult for taking place to warp. Specifically, in this embodiment, right angle reinforcement 2 includes two lath-shaped right-angle sides 22, and two right-angle sides 22 respectively with the bottom plate 111 butt of the installation department 11 of two adjacent frames, guarantee that right angle reinforcement 2 is stable with the frame cooperation. Preferably, riveting connection, riveted mode simple to operate between right angle reinforcement 2 and the frame, and long-time the use can not take place not hard up yet, connects the reliability height.
Further, as shown in fig. 6, the limiting reinforcing ribs 12 extend along the length direction of the corresponding frames, the limiting reinforcing ribs 12 form limiting grooves with the side walls of the corresponding mounting portions 11, and the two right-angle sides 22 of the right-angle reinforcing part 2 are respectively clamped in the limiting grooves of the two adjacent frames. Spacing strengthening rib 12 forms the spacing groove that extends along frame length direction with the lateral wall of the installation department 11 that connects, and every right angle side 22 of right angle reinforcement 2 along width direction's both ends respectively with two cell wall butts of spacing groove, make the spacing groove can fix a position right angle reinforcement 2, in the contrary words, two frames have realized the location through right angle reinforcement 2 and have connected, further guarantee the precision of whole back door installing frame.
Preferably, as shown in fig. 6, at least one of the catheti 22 of the right-angle reinforcement 2 is provided with a lightening slot 21. Under the condition that the right-angle side 22 is guaranteed to have a part which is in butt fit with the groove wall of the limiting groove, the weight of the whole rear door mounting frame can be further reduced by arranging the lightening grooves 21 at the two ends of the width direction of the right-angle side 22. Specifically, in the present embodiment, the two legs 22 of the right-angle reinforcing member 2 are each provided with one weight-reduction groove 21 at each of the widthwise ends. In other embodiments, the right-angle reinforcement 2 may be provided with the weight-reducing slots 21 only on one of the square edges 22, and the number of the weight-reducing slots 21 is not limited.
As shown in fig. 7, in this embodiment, four frames included in the back door installation frame are an upper frame 31, a lower frame 32 and two side frames 33, wherein the upper frame 31 and the lower frame 32 are arranged in parallel and respectively cover the rear end face of the upper box wall and the rear end face of the lower box wall of the car body 100, and the two side frames 33 are arranged in parallel and respectively cover the rear end faces of the box walls on the left and right sides of the car body 100.
The lower frame 32 has a relatively high load-bearing requirement, and as shown in fig. 5, an auxiliary reinforcing member 4 is further disposed on a side, facing the rear end surface, of the bottom plate 111 of the lower frame 32, and the auxiliary reinforcing member 4 extends along the length direction of the lower frame 32. The strength of the lower frame 32 can be improved by arranging the auxiliary reinforcing part 4, and the auxiliary reinforcing part 4 and the right-angle reinforcing part 2 are separately arranged, so that the processing difficulty of the reinforcing part can be reduced. In this embodiment, the rear door mounting frame includes two auxiliary reinforcing members 4, and the two auxiliary reinforcing members 4 are riveted to the bottom plate 111 of the mounting portion 11 of the lower frame 32. In other embodiments, the auxiliary reinforcing members 4 may be provided on the bottom plate 11 of the upper frame 31 and the side frame 33, and may be selectively provided according to actual needs.
Preferably, as shown in fig. 8 to 11, the two ends of the bottom plate 111 of the mounting portion 11 of the upper frame 31 are respectively provided with a first positioning portion 311, the two ends of the bottom plate 111 of the mounting portion 11 of the lower frame 32 are respectively provided with a second positioning portion 321, the upper end of the bottom plate 111 of the side frame 33 is provided with a third positioning portion 331, the lower end is provided with a fourth positioning portion 332, and the third positioning portion 331 of each side frame 33 is abutted and spliced with the first positioning portion 311 of the upper frame 31, and the fourth positioning portion 332 is abutted and spliced with the second positioning portion 321 of the lower frame 32. The fitting accuracy of the upper frame 31 and the left and right side frames 33 can be improved by the fitting of the first positioning portion 311 and the third positioning portion 331, and the fitting accuracy of the lower frame 32 and the left and right side frames 33 can be improved by the fitting of the second positioning portion 321 and the fourth positioning portion 332, thereby ensuring the shape and position accuracy of the entire back door installation frame.
Specifically, in the present embodiment, as shown in fig. 8, the first positioning portion 311 is a stepped structure, the third positioning portion 331 is a stepped structure complementary to the first positioning portion 311, and the first positioning portion 311 and the third positioning portion 331 are joined together to form a complete plane. Similarly, the second positioning portion 321 is also in a step-shaped structure, the fourth positioning portion 332 is in a step-shaped structure complementary to the second positioning portion 321, and the second positioning portion 321 and the fourth positioning portion 332 are spliced to form a complete plane. The stepped structure is convenient to process, the matching of the table top and the step surface of the step can respectively realize the positioning matching in two perpendicular directions, and the positioning precision is high. In other embodiments, the first positioning portion 311, the second positioning portion 321, the third positioning portion 331 and the fourth positioning portion 332 are not limited to the stepped structure, and may have other irregular shapes as long as the matching components can be positioned in a matching manner.
The rear door 200 of the refrigerator car is generally provided with a pull rod 201, and the upper frame 31 and the lower frame 32 are respectively provided with a locking structure 202 to be respectively matched with the upper and lower sides of the pull rod 201. In order to protect the locking structure 202, as shown in fig. 9, the upper frame 31 further includes a first protection plate 312, the first protection plate 312 is disposed on a side of the bottom plate 111 of the upper frame 31 away from the rear end surface, and the position of the first protection plate 312 is higher than the locking structure 202 disposed on the upper frame 31, so that the locking structure 202 can be protected above. Preferably, as shown in fig. 9, an end of the first shielding plate 312, which is away from the base plate 111 to which it is connected, is in a hook shape, and the hook-shaped structure may improve the strength of the first shielding plate 312; and the hook-shaped structure is inclined upward in a direction from front to rear (the front-rear direction is the front-rear direction of the refrigerator car), the inclined portion of the first shielding plate 312 can play a role of guiding air during the operation of the refrigerator car.
Further, as shown in fig. 10, the lower frame 32 further includes a second protection plate 322, the second protection plate 322 is disposed on a side of the bottom plate 111 of the lower frame 32 away from the rear end surface and perpendicular to the rear end surface, and the second protection plate 322 is provided with an avoiding hole 323. The second protection plate 322 is higher than the locking structure 202 disposed on the lower frame 32, so that the locking structure 202 can be protected from above, and the end of the pull rod 201 passes through the avoiding hole 323 and then cooperates with the locking structure 202 on the lower frame 32. In this embodiment, the number of the avoiding holes 323 is the same as that of the pull rods 201.
Preferably, as shown in fig. 11, the mounting protrusions are respectively disposed on the two side frames 33, and the projection of the mounting protrusions on the plane of the bottom plate 111 falls within the range of the corresponding bottom plate 111, so that after the rotating shaft and the rear door 200 are mounted, the rotating shaft and the rear door do not protrude beyond the rear end surface of the car body 100, which is neat and beautiful, and the safety of the refrigerator car can be improved. Specifically, the mounting protrusion includes a plurality of mounting sub-protrusions 333 arranged at intervals along the length direction of the side frame 33, each mounting sub-protrusion 333 is provided with a first through hole 334 extending along the length direction of the side frame 33, and the plurality of first through holes 334 are coaxially arranged. Accordingly, as shown in fig. 1, a plurality of fitting portions 203 are provided at intervals on the vertical side of the rear door, and a second through hole is provided on each fitting portion 203 and the plurality of second through holes are coaxially provided. When the rear door 200 is installed, the rear door 200 is abutted against the side frame 33, each matching part 203 is clamped between two adjacent installation sub-protrusions 333, all the first through holes 334 and all the second through holes are coaxial, and finally the rotating shaft sequentially penetrates through the first through holes 334 and the second through holes and is fixed, so that the installation of the rear door is realized. Further, mounting holes are respectively formed in two ends of the first protection plate 312 of the upper frame 31, each mounting hole is coaxially arranged with the first through hole 334 on the side frame 33 of the corresponding side, the diameter of each mounting hole is not smaller than that of the first through hole 334, and the mounting holes are used for avoiding when the rotating shaft is mounted. Preferably, as shown in fig. 1, the side of the bottom plate 111 of the lower frame 32 facing away from the vehicle compartment body 100 is provided with an impact prevention block 300, and the size of the impact prevention block 300 is larger than that of the second protection plate 322 in a direction perpendicular to the rear end surface, so that the impact prevention block 300 can prevent the lower frame 32 from being directly impacted by the outside; similarly, the side of the bottom plate 111 of the side frame 33 facing away from the compartment body 100 is also provided with the anti-collision block 300, and the size of the anti-collision block 300 is larger than that of the mounting sub-protrusion 333 in a direction perpendicular to the rear end surface, so that the anti-collision block 300 can prevent the side frame 33 from directly receiving external impact, and the provision of the anti-collision block 300 can improve the service life of the refrigerator compartment.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the invention and are not to be construed as limitations of the embodiments of the present invention, but may be modified in various embodiments and applications by those skilled in the art according to the spirit of the present invention, and the content of the present description should not be construed as a limitation of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a refrigerator car back door installing frame for install the rear end face at carriage body (100), its characterized in that, including four frames, four the frame is aluminum alloy ex-trusions, four the frame connects gradually and encloses into rectangular frame, every the frame includes that the cross section is installation department (11) of "" type, four installation department (11) cladding with one-to-one in the rear end face of four box walls of carriage body (100), bottom plate (111) of installation department (11) with the rear end face is parallel, bottom plate (111) orientation one side of rear end face is provided with spacing strengthening rib (12), and two relative frames that set up deviate from one side of rear end face is provided with the installation convex part respectively, the installation convex part is used for installing the pivot.
2. A refrigerator car rear door mounting frame as claimed in claim 1, further comprising right-angle reinforcing members (2), said right-angle reinforcing members (2) being used to fixedly connect adjacent two of said side frames.
3. The refrigerator car rear door mounting frame according to claim 2, wherein the limiting reinforcing ribs (12) extend along the length direction of the corresponding side frame, the limiting reinforcing ribs (12) and the corresponding side wall of the mounting portion (11) form limiting grooves, and the two right-angle sides (22) of the right-angle reinforcing member (2) are respectively clamped in the limiting grooves of the two adjacent side frames.
4. A refrigerator car rear door mounting frame as claimed in claim 3, wherein at least one of said right-angle sides (22) of said right-angle reinforcement (2) is provided with a lightening slot (21).
5. A refrigerator car rear door mounting frame as claimed in any one of claims 1 to 4, wherein four of said side frames are:
the device comprises an upper frame (31), wherein two ends of the bottom plate (111) of the upper frame (31) are respectively provided with a first positioning part (311);
the two ends of the bottom plate (111) of the lower frame (32) are respectively provided with a second positioning part (321);
the positioning device comprises two side frames (33), the two side frames (33) are arranged in parallel, a third positioning portion (331) is arranged at the upper end of the bottom plate (111) of each side frame (33), a fourth positioning portion (332) is arranged at the lower end of the bottom plate, the third positioning portion (331) is abutted and spliced with the first positioning portion (311), and the fourth positioning portion (332) is abutted and spliced with the second positioning portion (321).
6. A refrigerator car rear door mounting frame as claimed in claim 5, wherein said mounting projections are provided on both of said side frames (33), respectively, and a projection of said mounting projections on a plane on which said bottom plate (111) is located falls within a range corresponding to said bottom plate (111);
the mounting convex part comprises a plurality of mounting sub-convex parts (333) which are arranged at intervals along the length direction of the side frame (33), each mounting sub-convex part (333) is provided with a first through hole (334) which extends along the length direction of the side frame (33), and the first through holes (334) are coaxially arranged.
7. A refrigerator car rear door mounting frame as claimed in claim 5, wherein said upper bezel (31) further includes a first shielding plate (312), said first shielding plate (312) being provided on a side of said bottom plate (111) of said upper bezel (31) facing away from said rear end face;
one end, far away from the bottom plate (111) connected with the first protection plate (312), of the first protection plate is in a hook shape and is arranged in an upward inclined mode along the direction from front to back.
8. The refrigerator car rear door mounting frame of claim 5, wherein the lower bezel (32) further includes a second shielding plate (322), the second shielding plate (322) is disposed at a side of the bottom plate (111) of the lower bezel (32) facing away from the rear end surface and perpendicular to the rear end surface, and a relief hole (323) is disposed on the second shielding plate (322).
9. A refrigerator car rear door mounting frame as claimed in claim 5, wherein said bottom plate (111) of said lower frame (32) is further provided with an auxiliary reinforcement (4) on a side thereof facing said rear end face, said auxiliary reinforcement (4) extending in a longitudinal direction of said lower frame (32).
10. A refrigerator car characterized by comprising the refrigerator car rear door mounting frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935210.5A CN111942119A (en) | 2020-09-08 | 2020-09-08 | Refrigerator car back door installing frame and refrigerator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935210.5A CN111942119A (en) | 2020-09-08 | 2020-09-08 | Refrigerator car back door installing frame and refrigerator car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901674A (en) * | 2023-09-13 | 2023-10-20 | 河南新飞电器集团有限公司 | Aluminum alloy rear door structure of heavy van-type refrigerator car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901674A (en) * | 2023-09-13 | 2023-10-20 | 河南新飞电器集团有限公司 | Aluminum alloy rear door structure of heavy van-type refrigerator car |
| CN116901674B (en) * | 2023-09-13 | 2023-12-08 | 河南新飞电器集团有限公司 | Aluminum alloy rear door structure of heavy van-type refrigerator car |
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