CN116238608A - A post, A post and peripheral tubular beams's mortise and tenon fourth of twelve earthly branches structure and vehicle - Google Patents
A post, A post and peripheral tubular beams's mortise and tenon fourth of twelve earthly branches structure and vehicle Download PDFInfo
- Publication number
- CN116238608A CN116238608A CN202310299151.0A CN202310299151A CN116238608A CN 116238608 A CN116238608 A CN 116238608A CN 202310299151 A CN202310299151 A CN 202310299151A CN 116238608 A CN116238608 A CN 116238608A
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- Prior art keywords
- column
- opening
- connecting piece
- mortise
- tenon
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- Pending
Links
- 230000002093 peripheral effect Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000003698 laser cutting Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/026—Connections by glue bonding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
An A column comprises an A column upper connecting piece, an A column body and an A column lower connecting piece, wherein the A column upper connecting piece and the A column lower connecting piece are respectively formed by aluminum or high-strength steel or ultrahigh-strength steel through hot gas expansion; the A column body is formed by hot gas expansion forming or aluminum extrusion forming of high-strength steel and ultrahigh-strength steel; the inner side of the A column upper connecting piece is provided with a first opening with a flanging structure, the front side of the A column upper connecting piece is provided with a fourth opening with a flanging structure, the inner side of the A column lower connecting piece is provided with a second opening with a flanging structure, the rear side of the A column lower connecting piece is provided with a third opening with a flanging structure, the top of the A column upper connecting piece is provided with a U-shaped opening, and the U-shaped opening is formed in the laser cutting process of the A column upper connecting piece; and the A column and the peripheral structure are connected in a mortise-tenon mode through the first opening, the second opening, the third opening and the fourth opening and the U-shaped opening. The invention also provides a mortise-tenon connection structure of the A column and the peripheral tubular beams and a vehicle.
Description
Technical Field
The invention belongs to the technical field of vehicle body structures, and particularly relates to a mortise and tenon structure of an A column, an A column and a peripheral tubular beam.
Background
The prior A column is usually manufactured by assembling and then welding a plurality of sheet stamping parts, and the connection of the prior A column and peripheral parts is also mostly realized by multi-surface multidirectional welding, so the prior art has the following defects:
1. the heat energy at the moment of multi-face multi-directional welding is large, so that the welding deformation is large and the connection precision is poor;
2. the number of welding spots is large, welding defects are easy to cause, and the connection performance is influenced;
3. the parts are more, so that the welding is complex and the connection cost is high.
Disclosure of Invention
The invention provides an A column, which comprises an A column upper connecting piece, an A column body and an A column lower connecting piece;
the upper A column connecting piece and the lower A column connecting piece are respectively formed by aluminum or high-strength steel or ultrahigh-strength steel through hot gas expansion; the A column body is formed by hot gas expansion forming or aluminum extrusion forming of high-strength steel and ultrahigh-strength steel;
the inner side of the connecting piece on the A column is provided with a first opening with a flanging structure, the front side of the connecting piece on the A column is provided with a fourth opening with a flanging structure, and the formation of the first opening and the fourth opening is completed in a hot air expansion forming process of the connecting piece on the A column;
the inner side of the lower connecting piece of the column A is provided with a second opening with a flanging structure; the rear side of the A column lower connecting piece is provided with a third opening with a flanging structure, and the formation of the second opening and the third opening is completed in the hot air expansion forming process of the A column lower connecting piece.
The top of the connecting piece on the A column is provided with a U-shaped opening, and the forming of the U-shaped opening is completed in the laser cutting process of the connecting piece on the A column; the U-shaped opening is located above the second opening.
The A column body is connected with the A column upper connecting piece and the A column lower connecting piece through mortise and tenon respectively.
The invention also provides a mortise-tenon joint structure of the A column and the peripheral tubular beams, wherein,
the two ends of the upper side beam of the A column are respectively connected with the left A column and the left C column, and the upper side beam of the A column consists of an upper side beam main body of the A column, a handle and a roof beam connecting piece, wherein the upper side beam main body of the A column is of a tubular structure obtained by a hot gas expansion forming process; one end of the upper boundary beam main body of the A column is connected in the U-shaped opening through mortise and tenon;
the main pipe beam of the instrument beam bracket is of a tubular structure obtained by a hot air expansion forming process, one end of the main pipe beam is inserted into the first opening, and the main pipe beam of the instrument beam bracket is connected with the first opening in a mortise-tenon manner;
the front side plate of the vehicle body is positioned at the front side of the A column, one end of the front side plate of the vehicle body is inserted into the fourth opening, and one end of the front side plate of the vehicle body is connected with the fourth opening through mortise and tenon joints; the front side plate of the automobile body is of a tubular structure obtained by a hot air expansion forming process;
the floor front cross beam is transversely arranged on the front side of the vehicle body, one end of the floor front cross beam is inserted into the second opening, and one end of the floor front cross beam is connected with the second opening in a mortise and tenon mode; the floor front beam is of a tubular structure obtained by a hot air expansion forming process;
the threshold beam is longitudinally arranged, the front end of the threshold beam is inserted into the third opening, and the threshold beam is connected with the third opening in a mortise-tenon manner; the threshold beam is obtained by extrusion forming;
coating structural adhesive on all the joint surfaces of the mortise-tenon joints, and if necessary, performing a small amount of repair welding on the mortise-tenon joints;
the invention also provides a vehicle having an a-pillar as previously mentioned.
The invention also provides a vehicle with the mortise-tenon connection structure of the A column and the peripheral pipe beams.
Drawings
FIG. 1 is a diagram of the connection of the A-pillar to the perimeter tubular beams;
FIG. 2 is a first side view of the A-pillar;
FIG. 3 is a second side view of the A-pillar;
FIG. 4 is a cross-sectional view of the A-A side of the A-pillar.
Each reference numeral represents: 1-a on-column connectors; a 2-A column body; 3-a column lower connector; 4-floor front cross beam; 5-a threshold beam; 6-a dashboard cross beam bracket; 7-A column upper side beam main body; 8-front body side panels (Shotgun); 9-a first opening; 10-a second opening; 11-a third opening; 12-fourth openings; 13-structural adhesive; the 14-A column body is extruded to form a structure.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the vehicle, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The terms of high-strength steel, ultra-high-strength steel and the like related to the invention have common meanings in the manufacturing and processing fields and the material fields, and those skilled in the art should know the terms, so that the terms are not repeated here.
The A column provided by the invention, as shown in figures 1-4, comprises an A column upper connecting piece 1, an A column body 2 and an A column lower connecting piece 3;
the A column upper connecting piece 1 and the A column lower connecting piece 3 are respectively formed by aluminum or high-strength steel or ultrahigh-strength steel through hot gas expansion; the A column body 2 is formed by hot gas expansion forming or aluminum extrusion forming of high-strength steel and ultrahigh-strength steel;
the inner side of the A-column connecting piece 1 is provided with a first opening 9 with a flanging structure, the front side of the A-column connecting piece 1 is provided with a fourth opening 12 with a flanging structure, and the formation of the first opening 9 and the fourth opening 12 is completed in a hot air expansion forming process of the A-column connecting piece 1;
the inner side of the A column lower connecting piece 3 is provided with a second opening 10 with a flanging structure; the rear side of the lower A-pillar connecting piece 3 is provided with a third opening 11 with a flanging structure, and the formation of the second opening 10 and the third opening 11 is completed in the hot air expansion forming process of the lower A-pillar connecting piece 3.
The top of the A-column upper connecting piece 1 is provided with a U-shaped opening, and the formation of the U-shaped opening is completed in the laser cutting process of the A-column upper connecting piece 1; the U-shaped opening is located at a position above the second opening 12.
The A column body 2 is connected with the A column upper connecting piece 1 and the A column lower connecting piece through mortise and tenon joints respectively.
A mortise-tenon joint structure of a column A and a peripheral tubular beam uses the column A as described above;
the two ends of the upper side beam of the A column are respectively connected with a left A column and a left C column, and the upper side beam of the A column consists of an upper side beam main body of the A column, a handle and a roof beam connecting piece, and the upper side beam main body 7 of the A column is of a tubular structure obtained by a hot gas expansion forming process; one end of the upper boundary beam main body of the A column is connected in the U-shaped opening through mortise and tenon;
the main pipe beam of the instrument beam bracket is of a tubular structure obtained by a hot air expansion forming process, one end of the main pipe beam is inserted into the first opening 9, and the main pipe beam of the instrument beam bracket is connected with the first opening 9 in a mortise and tenon mode;
a front side plate (Shotgun) of the vehicle body is positioned at the front side of the A column, one end of the front side plate of the vehicle body is inserted into the fourth opening 12, and one end of the front side plate of the vehicle body is connected with the fourth opening 12 in a mortise and tenon mode; the front side plate of the automobile body is of a tubular structure obtained by a hot air expansion forming process;
the joint surfaces of the mortise and tenon joints are coated with structural adhesive 13, and if necessary, a small amount of repair welding is performed at the mortise and tenon joints;
the floor front cross beam is transversely arranged on the front side of the vehicle body, one end of the floor front cross beam is inserted into the second opening 10, and one end of the floor front cross beam is connected with the second opening 10 in a mortise and tenon mode; the floor front beam is of a tubular structure obtained by a hot air expansion forming process;
the threshold beam 5 is longitudinally arranged, the front end of the threshold beam is inserted into the third opening 11, and the threshold beam 5 and the third opening 11 are connected in a mortise and tenon mode; the threshold beam 5 is obtained by extrusion;
the invention also provides a vehicle body, which uses the A column or the mortise-tenon connection structure of the A column and the peripheral pipe beams.
The invention has the beneficial effects that:
1. the A column is firmly connected with the mortise and tenon structures of the peripheral components, so that the connection performance of pipe beam parts can be improved, and welding defects are reduced;
2. the mortise and tenon structure is combined with glue coating, and repair welding can be performed in a small amount as required, so that complex connection relation and complex welding process are simplified, connection cost can be reduced, and connection efficiency is improved;
3. the A post, the A post roof side rail main part, curb plate, floor front cross beam adopt steam expand tube roof beam structure on the A post, compare with traditional punching and welding structure, the part quantity is few, and degree of light weight is high, also can effectively promote connection accuracy.
It should be understood that, the sequence number of each step in the embodiment of the present invention does not mean that the execution sequence of each process should be determined by the function and the internal logic of each process, and should not limit the implementation process of the embodiment of the present invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An a-pillar, characterized in that: comprises an A column upper connecting piece, an A column body and an A column lower connecting piece;
the upper A column connecting piece and the lower A column connecting piece are respectively formed by aluminum or high-strength steel or ultrahigh-strength steel through hot gas expansion; the A column body is formed by hot gas expansion forming or aluminum extrusion forming of high-strength steel or ultrahigh-strength steel;
the inner side of the connecting piece on the A column is provided with a first opening with a flanging structure, the front side of the connecting piece on the A column is provided with a fourth opening with a flanging structure, and the formation of the first opening and the fourth opening is completed in a hot air expansion forming process of the connecting piece on the A column;
the inner side of the lower connecting piece of the column A is provided with a second opening with a flanging structure; the rear side of the A column lower connecting piece is provided with a third opening with a flanging structure, and the formation of the second opening and the third opening is completed in a hot air expansion forming process of the A column lower connecting piece;
the top of the connecting piece on the A column is provided with a U-shaped opening; the U-shaped opening is located above the second opening.
2. An a-column according to claim 1, wherein: the A column body is connected with the A column upper connecting piece and the A column lower connecting piece through mortise and tenon respectively.
3. A mortise and tenon joint structure of an a-pillar and a peripheral tubular beam, using the a-pillar according to claim 1 or 2, characterized in that:
the two ends of the upper side beam of the A column are respectively connected with the left A column and the left C column, and the upper side beam of the A column consists of an upper side beam main body of the A column, a handle and a roof beam connecting piece, wherein the upper side beam main body of the A column is of a tubular structure obtained by a hot gas expansion forming process; one end of the upper boundary beam main body of the A column is connected in the U-shaped opening through mortise and tenon joints.
4. A mortise and tenon joint structure according to claim 3, characterized in that: the main tube beam of the instrument beam support is of a tubular structure obtained by a hot air expansion forming process, one end of the main tube beam of the instrument beam support is inserted into the first opening, and the main tube beam of the instrument beam support is connected with the first opening through mortise and tenon joints.
5. A mortise and tenon joint structure according to claim 3, characterized in that: the front side plate of the vehicle body is positioned at the front side of the A column, one end of the front side plate of the vehicle body is inserted into the fourth opening, and one end of the front side plate of the vehicle body is connected with the fourth opening through mortise and tenon joints; the front side plate of the automobile body is of a tubular structure obtained by a hot air expansion forming process.
6. A mortise and tenon joint structure according to claim 3, characterized in that: the floor front cross beam is transversely arranged on the front side of the vehicle body, one end of the floor front cross beam is inserted into the second opening, and one end of the floor front cross beam is connected with the second opening in a mortise-tenon mode; the floor front beam is a tubular structure obtained by a hot air expansion forming process.
7. A mortise and tenon joint structure according to claim 3, characterized in that: the threshold beam is longitudinally arranged, the front end of the threshold beam is inserted into the third opening, and the threshold beam is connected with the third opening in a mortise-tenon manner; the threshold beam is obtained by extrusion.
8. The mortise and tenon joint structure according to any one of claims 3 to 7, characterized in that: and the joint surfaces of all the mortise-tenon joints are fastened through structural adhesives or welding, and the U-shaped opening is formed in the laser cutting process of the connecting piece on the A column.
9. A vehicle, characterized in that: an a-column according to any one of claims 1-2.
10. A vehicle, characterized in that: a mortise and tenon joint structure having the a-pillar and the peripheral tubular beams as set forth in any one of claims 3 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310299151.0A CN116238608A (en) | 2023-03-24 | 2023-03-24 | A post, A post and peripheral tubular beams's mortise and tenon fourth of twelve earthly branches structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310299151.0A CN116238608A (en) | 2023-03-24 | 2023-03-24 | A post, A post and peripheral tubular beams's mortise and tenon fourth of twelve earthly branches structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116238608A true CN116238608A (en) | 2023-06-09 |
Family
ID=86627803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310299151.0A Pending CN116238608A (en) | 2023-03-24 | 2023-03-24 | A post, A post and peripheral tubular beams's mortise and tenon fourth of twelve earthly branches structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116238608A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19935654A1 (en) * | 1999-07-29 | 2001-02-01 | Behr Gmbh & Co | Cross strut for esp. cockpit area of motor vehicles has internal tube of connected cup-shaped tube elements with perforated bases for air circulation or cables etc. |
| US20070281523A1 (en) * | 2006-05-09 | 2007-12-06 | L&L Products, Inc. | Joints and a system and method of forming the joints |
| CN209757255U (en) * | 2019-04-16 | 2019-12-10 | 枣庄优梦金属制品有限公司 | Automobile body framework |
| CN110816686A (en) * | 2019-12-25 | 2020-02-21 | 吉林大学 | Special cast aluminum joint for aluminum alloy vehicle body frame |
| KR20210053013A (en) * | 2019-11-01 | 2021-05-11 | 현대자동차주식회사 | Vehicle body joint structure |
| CN214028878U (en) * | 2020-12-28 | 2021-08-24 | 湖南大学 | Connection structure of A post and last longeron of car |
-
2023
- 2023-03-24 CN CN202310299151.0A patent/CN116238608A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19935654A1 (en) * | 1999-07-29 | 2001-02-01 | Behr Gmbh & Co | Cross strut for esp. cockpit area of motor vehicles has internal tube of connected cup-shaped tube elements with perforated bases for air circulation or cables etc. |
| US20070281523A1 (en) * | 2006-05-09 | 2007-12-06 | L&L Products, Inc. | Joints and a system and method of forming the joints |
| CN209757255U (en) * | 2019-04-16 | 2019-12-10 | 枣庄优梦金属制品有限公司 | Automobile body framework |
| KR20210053013A (en) * | 2019-11-01 | 2021-05-11 | 현대자동차주식회사 | Vehicle body joint structure |
| CN110816686A (en) * | 2019-12-25 | 2020-02-21 | 吉林大学 | Special cast aluminum joint for aluminum alloy vehicle body frame |
| CN214028878U (en) * | 2020-12-28 | 2021-08-24 | 湖南大学 | Connection structure of A post and last longeron of car |
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