CN207889831U - A kind of automobile rear case - Google Patents
A kind of automobile rear case Download PDFInfo
- Publication number
- CN207889831U CN207889831U CN201721768230.8U CN201721768230U CN207889831U CN 207889831 U CN207889831 U CN 207889831U CN 201721768230 U CN201721768230 U CN 201721768230U CN 207889831 U CN207889831 U CN 207889831U
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- shell
- circular groove
- rear cover
- arc
- cover ontology
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Abstract
The utility model discloses a kind of automobile rear cases, including rear cover ontology, the rear cover ontology is the shell structure that one side has opening, the rear cover ontology is in the contraction-like extension of ladder from opening to the bottom surface of rear cover ontology, and the side profile of each layer of ladder is curved or arc-shaped, the rear cover ontology includes the link into an integrated entity big shell and small shell of structure, the small shell is interior with the junction of big shell, outer portion is both provided with fillet, bottom surface is provided with the first arc groove on the one of lateral surface of small shell, bottom surface is provided with the second arc groove on the lateral surface of another small shell opposite with first arc groove, first arc groove is identical as the indent direction of the second arc groove.A kind of automobile rear case provided by the utility model, improves the service life of automobile rear case, and the automobile rear case produced is high-quality, and qualification rate is high.
Description
Technical field
The utility model belongs to auto parts technical field more particularly to a kind of automobile rear case.
Background technology
With the development of society, the progress of science and technology, automobile industry are flourishing.Automobile in the fabrication process,
It is related to numerous parts and process, design, the manufacture of each part have all assembled many thoughts of designer, and making
Many manufacturing process have been used during making, it is not easy to produce qualified product.Automobile manufacture industry at present, after automobile
During the design and producing of lid, many troubles can be encountered, for example, automobile rear case shape design deviation, in process of production
The slight change of the stamping procedure of automobile rear case can all cause to seriously affect to product, cause to produce underproof product.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides a kind of automobile rear case, to vapour
Vehicle rear cover has carried out new design, improves the service life of automobile automobile rear case, and the automobile rear case produced is high-quality,
Qualification rate is high.
Technical solution：To achieve the above object, a kind of automobile rear case of the utility model, including rear cover ontology, after described
Lid ontology is the shell structure that one side has opening；The rear cover ontology is contraction-like in ladder from opening to the bottom surface of rear cover ontology
Extend, and the side profile of each layer of ladder is curved or arc-shaped.
Further, the rear cover ontology includes the link into an integrated entity big shell and small shell of structure, the small shell with
The inner and outer portions of the junction of big shell are both provided with fillet；It is arranged close to bottom surface on the one of lateral surface of small shell
There is the first arc groove, bottom surface is provided with second on the lateral surface of another small shell opposite with first arc groove
Arc groove, first arc groove are identical as the indent direction of the second arc groove.
Further, the outside horizontal extension in edge of the opening of the rear cover ontology is provided with extension board, the extension board
It is connected as one with the edge of big shell；The edge of the extension board is bent with flange, the overbending direction court of the flange
To the bottom surface of rear cover ontology.
Further, it is provided on the extension board for the position that the side of the big shell is recessed to rear cover body interior cavity
Multiple circular grooves, the plate face of the bottom surface of the circular groove above the extension board and opening homonymy；The circular groove
It it is five, and the bottom surface of all circular grooves offers identical hole, the hole is concentric with circular groove and recessed less than round
The diameter of slot.
Further, five circular grooves are respectively that the first circular groove, the second circular groove, third circle are recessed
Slot, the 4th circular groove and the 5th circular groove, first arc groove are located at the first circular groove and the second circular groove
Between, second arc groove is between third circular groove and the 4th circular groove；
It is provided with cylindrical empty cavity shell on extension board between 4th circular groove and the 5th circular groove, it is described
Cylindrical empty cavity shell is arranged close to the 4th circular groove, the big shell between second circular groove and third circular groove
Outer bottom be provided with arc-shaped cavity shell, the side connection of the arc-shaped cavity shell and small shell is arranged；The cylinder
Cavity shell and arc-shaped cavity shell are connected to the inside of rear cover ontology.
Advantageous effect：A kind of automobile rear case of the utility model, automobile rear case body design are the integral structure of entirety, are added
The stability connected between strong automobile rear case different shape, has carried out automobile rear case new design, has improved automobile automobile
The service life of rear cover, and what the production method of automobile rear case utilized is stamping procedure, and flange punching and pressure are carried out to workpiece
Process very convenient when the deburring of hole, the automobile rear case produced is high-quality, and qualification rate is high.
Description of the drawings
Attached drawing 1 is the overall structure diagram of automobile rear case；
Attached drawing 2 is the sectional view of automobile rear case；
Attached drawing 3 is the side view of automobile rear case；
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
As shown in attached drawing 1 to attached drawing 3, a kind of automobile rear case, including rear cover ontology, the rear cover ontology are to have to open on one side
The shell structure of mouth 13；The rear cover ontology is in the contraction-like extension of ladder from opening 13 to the bottom surface 14 of rear cover ontology, and each
Layer ladder side profile is curved or arc-shaped, new design has been carried out to automobile rear case, and it is whole be structure as a whole, carry
The high stability of automobile rear case, makes it have higher service life.
The rear cover ontology includes the link into an integrated entity big shell 2 and small shell 3 of structure, the small shell 3 and big shell
The inner and outer portions of 2 junction are both provided with fillet 15, improve the stability that big shell 2 is connect with small shell 3；The small shell
Bottom surface 14 is provided with the first arc groove 10 on 3 one of lateral surface of body, it is opposite with first arc groove 10
Bottom surface 14 is provided with the second arc groove 11, first arc groove 10 and second on the lateral surface of another small shell 3
The indent direction of arc groove 11 is identical.
The outside horizontal extension in edge of the opening 13 of the rear cover ontology is provided with extension board 1, the extension board 1 and big shell
The edge of body 2 is connected as one；The edge of the extension board 1 is bent with flange 6, the overbending direction direction of the flange 6
The bottom surface 14 of rear cover ontology.
It is provided with multiple circles on the extension board 1 for the position 5 that the side of the big shell 2 is recessed to rear cover body interior cavity
Connected in star 7, the plate face of the bottom surface of the circular groove 7 above the extension board 1 and 13 homonymies of opening；The circular groove 7
It it is five, and the bottom surface of all circular grooves 7 offers identical hole 4, the hole 4 is concentric with circular groove 7 and less than circle
The diameter of connected in star 7 facilitates the fixation for carrying out rear cover.
Five circular grooves 7 be respectively the first circular groove 71, the second circular groove 72, third circular groove 73,
4th circular groove 74 and the 5th circular groove 75, it is round that first arc groove 10 is located at the first circular groove 71 and second
Between groove 72, second arc groove 11 is between third circular groove 73 and the 4th circular groove 74.
It is provided with cylindrical empty cavity shell on extension board 1 between 4th circular groove 74 and the 5th circular groove 75
12, the cylindrical empty cavity shell 12 is arranged close to the 4th circular groove 74, and second circular groove 72 is recessed with third circle
The outer bottom of big shell 2 between slot 73 is provided with arc-shaped cavity shell 20, the arc-shaped cavity shell 20 and small shell 3
Side connection setting；The cylindrical empty cavity shell 12 and arc-shaped cavity shell 20 are connected to the inside of rear cover ontology, cylinder
Shape cavity shell 12 and arc-shaped cavity shell 20 are structure as a whole with rear cover ontology.
The processing method of automobile rear case, procedure of processing are as follows：
Step 1：Original material base is cut, the blanking of automobile rear case is completed, obtains tablet；
Step 2：Just one-step forming is carried out to the tablet in step 1；
Step 3：Second of molding, third time molding and the 4th molding are carried out to preliminary molding tablet in step 2,
Complete final molding；
Step 4：The workpiece of final molding in step 3 is positioned, shaping raising is carried out to the bottom surface of workpiece；
Step 5：Trimming is carried out to the workpiece after shaping raising, the whole circle waste material of trimming is cut off, and is punched out, completes work
The edge-cutting and hole-punching of part；
Step 6：Workpiece to completing edge-cutting and hole-punching carries out flange, completes the flange of the edge of work；
Step 7：Workpiece to completing flange carries out pressure hole deburring, removes the burr in hole, machines, obtain finished product
Workpiece.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of automobile rear case, it is characterised in that：Including rear cover ontology, the rear cover ontology is the shell that one side has opening (13)
Body structure；Bottom surface (14) of the rear cover ontology from opening (13) to rear cover ontology is in the contraction-like extension of ladder, and each layer of rank
Ladder side profile is curved or arc-shaped.
2. a kind of automobile rear case according to claim 1, it is characterised in that：The rear cover ontology includes the knot that links into an integrated entity
The big shell (2) and small shell (3) of structure, the small shell (3) and the inner and outer portions of the junction of big shell (2) are both provided with
Fillet (15)；Bottom surface (14) is provided with the first arc groove (10) on the one of lateral surface of the small shell (3), with institute
It states and bottom surface (14) is provided with the second arc groove on the lateral surface of the opposite another small shell (3) of the first arc groove (10)
(11), first arc groove (10) is identical as the indent direction of the second arc groove (11).
3. a kind of automobile rear case according to claim 2, it is characterised in that：The edge of the opening (13) of the rear cover ontology
Outside horizontal extension is provided with extension board (1), and the extension board (1) and the edge of big shell (2) are connected as one；It is described
The edge of extension board (1) is bent with flange (6), and the overbending direction of the flange (6) is towards the bottom surface (14) of rear cover ontology.
4. a kind of automobile rear case according to claim 3, it is characterised in that：The side of the big shell (2) is to rear cover sheet
It is provided with multiple circular grooves (7), the bottom of the circular groove (7) on the extension board (1) of the position (5) of body internal cavities recess
Plate face of the face above the extension board (1) and opening (13) homonymy；The circular groove (7) is five, and all circles are recessed
The bottom surface of slot (7) offers identical hole (4), and the hole (4) is concentric with circular groove (7) and less than circular groove (7)
Diameter.
5. a kind of automobile rear case according to claim 4, it is characterised in that：Five circular grooves (7) are respectively
One circular groove (71), the second circular groove (72), third circular groove (73), the 4th circular groove (74) and the 5th are round recessed
Slot (75), first arc groove (10) is between the first circular groove (71) and the second circular groove (72), and described
Two arc grooves (11) are located between third circular groove (73) and the 4th circular groove (74)；
It is provided with cylindrical cavity shell on extension board (1) between 4th circular groove (74) and the 5th circular groove (75)
Body (12), the cylindrical empty cavity shell (12) close to the 4th circular groove (74) be arranged, second circular groove (72) with
The outer bottom of big shell (2) between third circular groove (73) is provided with arc-shaped cavity shell (20), the arc-shaped cavity shell
Body (20) connect setting with the side of small shell (3)；The cylindrical empty cavity shell (12) and arc-shaped cavity shell (20) with
The inside of rear cover ontology is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768230.8U CN207889831U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile rear case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768230.8U CN207889831U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile rear case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207889831U true CN207889831U (en) | 2018-09-21 |
Family
ID=63548977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721768230.8U Active CN207889831U (en) | 2017-12-18 | 2017-12-18 | A kind of automobile rear case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207889831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297941A (en) * | 2017-12-18 | 2018-07-20 | 无锡曙光模具有限公司 | A kind of automobile rear case and its processing method |
-
2017
- 2017-12-18 CN CN201721768230.8U patent/CN207889831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297941A (en) * | 2017-12-18 | 2018-07-20 | 无锡曙光模具有限公司 | A kind of automobile rear case and its processing method |
| CN108297941B (en) * | 2017-12-18 | 2023-11-17 | 无锡曙光模具有限公司 | Automobile rear cover and processing method thereof |
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