CN202273512U - Automobile door position limiter - Google Patents
Automobile door position limiter Download PDFInfo
- Publication number
- CN202273512U CN202273512U CN2011203942069U CN201120394206U CN202273512U CN 202273512 U CN202273512 U CN 202273512U CN 2011203942069 U CN2011203942069 U CN 2011203942069U CN 201120394206 U CN201120394206 U CN 201120394206U CN 202273512 U CN202273512 U CN 202273512U
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- rod
- automobile door
- bar flange
- flange
- utility
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Abstract
The utility model relates an automobile door position limiter. The automobile door position limiter provided by the utility model comprises a rod body, wherein a radially protrusive first rod flange is formed at the bottom of the rod body, a radially protrusive second rod flange is arranged at the top of the rod body, a screw rod which is coaxial with the rod body is fixedly connected on the surface of the second rod flange, which is not in contact with the rod body, the other end of the screw rod is fixedly connected with a cylinder which is coaxial with the screw rod, and the first rod flange comprises an axial blind hole. The automobile door position limiter provided by the utility model can perform positioning through the first flange, the second flange and the axial blind hole positioned on the first flange, and the structure is simple.
Description
Technical field
The utility model relates to a kind of automobile component, is specifically related to a kind of automobile door stopper.
Background technology
Car door limiter is the accessory that car body connects car door; It mainly acts on is the opening angle of location car door; It can prevent not only that car door opening is too quickly and break car door or the pedestrian that wounds, and can prevent that wind from causing crushing of personnel when car door is closed suddenly.
Chinese patent document CN1530512A discloses a kind of car door limiter; Comprise spacing holder and spacing shelves; Be provided with symmetrical elastomer block in the spacing holder, said left and right sides elastomer block is provided with rolling base, and left and right sides rolling base boss is provided with rolling element; Rolling element can roll with respect to left and right sides pedestal, and a gear bar is arranged between the left and right rolling element.One end of said gear bar is provided with cushion, and is provided with spacer pin in its end, and cushion is provided with pad; The other end of gear bar is provided with connecting hole; After adopting said structure, rolling element rolls with the gear bar and contacts, and the rolling friction mode has reduced the wearing and tearing between gear bar and the stop holder.But this stop is through multimachine structure secure fit, and structure is comparatively complicated.
The utility model content
Therefore, the utility model technical problem that will solve is to provide a kind of automobile door stopper simple in structure.
For this reason; The utility model provides a kind of automobile door stopper, comprises the body of rod, and the bottom of the said body of rod forms the first radially outstanding bar flange; The top of the said body of rod is provided with the second radially outstanding bar flange; The said second bar flange with on the surface that the said body of rod contacts a screw rod coaxial with the said body of rod is not set, the other end setting cylinder coaxial of said screw rod with it, the said first bar flange has an axial blind hole.
The said body of rod and the said second bar flange cold extrusion are one-body molded.
The said body of rod and the welding of the said second bar flange are fixing.
The said body of rod is connected through the arc surface smooth transition with the said first bar flange.
Said blind hole is the screwed hole of interior hexagonal flower shape.
The diameter of the said first bar flange is greater than the diameter of the said second bar flange.
Said cylindrical diameter is less than the diameter of said screw rod.
The automobile door stopper that the utility model provides has the following advantages:
1. the automobile door stopper that provides of the utility model; Comprise the body of rod; The bottom of the said body of rod forms the first radially outstanding bar flange, and the top of the said body of rod is provided with the second radially outstanding bar flange, the said second bar flange with on the surface that the said body of rod contacts a screw rod coaxial with the said body of rod is not set; The other end setting cylinder coaxial with it of said screw rod, the said first bar flange has an axial blind hole.The automobile door stopper that the utility model provides positions through first flange, second flange and the axial blind hole that is positioned on first flange, and is simple in structure.
2. the automobile door stopper that provides of the utility model, the said body of rod and the said second bar flange cold extrusion are one-body molded.Adopt the one-body molded said body of rod of cold extrusion and the said second bar flange to make that the metal streamline of said stop is complete, have higher comprehensive mechanical property.
3. the automobile door stopper that provides of the utility model, the said body of rod is connected through the arc surface smooth transition with the said first bar flange is smooth.Make that through the connection of arc surface smooth transition the adhesion between the said body of rod and the said first bar flange is bigger, and be not easy to twist off.
Description of drawings
For the content that makes the utility model is more clearly understood,, the utility model is done further detailed explanation, wherein below according to the specific embodiment of the utility model and combine accompanying drawing
Fig. 1 is the structural representation of the automobile door stopper of the utility model moulding;
Fig. 2 is the structural representation of the blank of reservation shape among a kind of embodiment of the utility model;
Fig. 3 is the structural representation of first intermediate that after first station carries out shaping, forms of a kind of embodiment of the utility model;
Fig. 4 is the structural representation of second intermediate that after the second station preformed, forms of first intermediate shown in Figure 3;
Fig. 5 is the structural representation of second intermediate after the 3rd station moulding shown in Figure 4;
Fig. 6 is the structural representation of second intermediate after the 4th station moulding shown in Figure 5;
Fig. 7 is the structural representation after the second flange moulding;
Fig. 8 is the chemical component table of the raw material 40Cr steel of the utility model;
Fig. 9 is the mechanical property table of the automobile door stopper of the utility model moulding.
Reference numeral is expressed as among the figure:
The 1-body of rod; The 2-first bar flange; The 3-second bar flange; The 4-screw rod; The 5-cylinder; The 6-blind hole;
7-second round platform; The 8-first transition round platform; The 9-cylinder; The 10-arc surface; The long body of 11-; The 12-second transition round platform; 14-first round platform.
The specific embodiment
The core purpose of the utility model is to provide a kind of automobile door stopper simple in structure.
Below in conjunction with accompanying drawing and concrete embodiment the technical scheme of the utility model is described.Fig. 1 is the structural representation of the automobile door stopper of the utility model.
Embodiment 1
Present embodiment provides a kind of automobile door stopper; Comprise the body of rod 1; The bottom of the said body of rod 1 forms the first radially outstanding bar flange 2; The top of the said body of rod 1 is provided with the second radially outstanding bar flange 3, the said second bar flange 3 with on the surface that the said body of rod 1 contact be not fixedly connected a screw rod 4 coaxial, the other end fixed connection cylinder 5 coaxial of said screw rod 4 with it with the said body of rod 1; The diameter of said cylinder 5 is less than the diameter of said screw rod 4, and the said first bar flange 2 has an axial blind hole 6.
In the present embodiment, in order to improve the comprehensive mechanical property of the said body of rod 1 and the said second bar flange 3, the said body of rod 1 is one-body molded with 3 cold extrusions of the said second bar flange.At this, the concrete molding mode of the said body of rod 1 and the said second bar flange 3 can not constitute the restriction to the protection domain of the utility model, and the said body of rod 1 can also adopt welding manner to be fixedly connected with the said second bar flange 3.It is one-body molded that the comprehensive mechanical property that adopts welding manner to be fixedly connected is lower than employing cold extrusion mode; Be convenient to adopt different materials to process with the said body of rod 1 the said second bar flange 3 but adopt welding manner to be fixedly connected, thereby satisfy the mechanical property requirements of different parts.
In the present embodiment, in order to improve the adhesion between the said body of rod 1 and the said first bar flange 2, the said body of rod 1 is connected through arc surface 10 smooth transition with the said first bar flange 2.
For the ease of fixing, said blind hole 6 is the screwed hole of interior hexagonal flower shape.
At present embodiment, the diameter of the said first bar flange 2 is greater than the diameter of the said second bar flange 3.
Present embodiment provides the production technology of automobile door stopper of embodiment 1 following:
A. blank: raw material is cut into the blank of reservation shape, and at this, said raw material is the 40Cr steel, and its chemical composition is seen Fig. 8, and said blank is cut into cylinder blank, sees Fig. 2;
B. shaping: said blank is carried out cold extrusion; Form first intermediate; Said first intermediate comprises stock 11 and second round platform 7 that is connected through first round platform 14 with said stock 11; The big disc of the big disc of said first round platform 14 and said second round platform 7 is over against being connected and equal diameters, and the little disc of said first round platform 14 and said stock 1 are seen Fig. 3 over against being connected and equal diameters;
C. preformed: said first intermediate is carried out cold extrusion; Form second intermediate; Said second intermediate comprises the first transition round platform 8 and cylinder 9, and the big disc of the said first transition round platform 8 and the bottom surface of said cylinder 9 are over against being connected and the two equal diameters the bus formation sharp angle of the bottom surface of said cylinder 9 and the said first transition round platform 8; The end face of said cylinder 9 is connected with stock 11 smooth transition through the arc surface 10 of recessed axis to said cylinder 9; The diameter of said stock 11 forms the second transition round platform 12 less than the diameter of said cylinder 9 on the said stock 11, see Fig. 4;
D. the first bar flange, 2 moulding: said second intermediate is carried out cold extrusion, is the first bar flange 2 with the said first transition round platform 8 with said cylinder 9 Compound Extrusion, sees Fig. 5;
E. blind hole moulding: along axis direction moulding blind hole 6, in the present embodiment, said blind hole is a hexagonal flower shape screwed hole, forms semiproduct, sees Fig. 6 in the bottom surface of the said first bar flange 2;
F. the second bar flange, 3 moulding: said semiproduct are carried out cold extrusion, form the second bar flange 3 in the corresponding position of the said second transition round platform 12, see Fig. 7;
G. machine: the said semiproduct to through said step F carry out machine, are worked into preliminary dimension;
H. screw rod moulding: to through the said semiproduct of said step G in the pre-position rolling screw thread, shaping screw 4 forms finished product, sees Fig. 1.
Reasonably shaping process and preforming process have guaranteed that the multi-station cold-heading molding technology of the utility model can guarantee that in the process of formed automobile stop product product quality also can guarantee the application life of mould.
In order to optimize the preforming process of the utility model, in said step C, said angle is the 6-8 degree.
In the present embodiment, said angle is 6 degree.
For the whole technology that guarantees the utility model can be according to predetermined shaping, preformed and the final moulding that requires to realize product; Avoided again causing blank in forming process, to ftracture owing to pressure is excessive, the cold extrusion of the utility model is carried out under the pressure condition of 48-52MPa.
In the present embodiment, said cold-stamped pressure is 48MPa.
In order to improve the comprehensive mechanical property of product after the moulding, the utility model to moulding after the tempering again of quenching earlier of said automobile door stopper product, the temperature condition of said quenching is 840-860 ℃, the type of cooling is an oil cooling; The temperature condition of said tempering is 510-530 ℃, and the type of cooling is a water-cooled.
In the present embodiment, the temperature condition of said quenching is 840 ℃, and said tempering is that temperature condition is 510 ℃.
The automobile door stopper product that moulding obtains according to the foregoing description has higher comprehensive mechanical property, sees Fig. 9.
Present embodiment provides the production technology of automobile door stopper of embodiment 1 following:
A. blank: raw material is cut into the blank of reservation shape, and at this, said raw material is the 40Cr steel, and its chemical composition is seen Fig. 8, and said blank is cut into cylinder blank, sees Fig. 2;
B. shaping: said blank is carried out cold extrusion; Form first intermediate; Said first intermediate comprises stock 11 and second round platform 7 that is connected through first round platform 14 with said stock 11; The big disc of the big disc of said first round platform 14 and said second round platform 7 is over against being connected and equal diameters, and the little disc of said first round platform 14 and said stock 1 are seen Fig. 3 over against being connected and equal diameters;
C. preformed: said first intermediate is carried out cold extrusion; Form second intermediate; Said second intermediate comprises the first transition round platform 8 and cylinder 9, and the big disc of the said first transition round platform 8 and the bottom surface of said cylinder 9 are over against being connected and the two equal diameters the bus formation sharp angle of the bottom surface of said cylinder 9 and the said first transition round platform 8; The end face of said cylinder 9 is connected with stock 11 smooth transition through the arc surface 10 of recessed axis to said cylinder 9; The diameter of said stock 11 forms the second transition round platform 12 less than the diameter of said cylinder 9 on the said stock 11, see Fig. 4;
D. the first bar flange, 2 moulding: said second intermediate is carried out cold extrusion, is the first bar flange 2 with the said first transition round platform 8 with said cylinder 9 Compound Extrusion, sees Fig. 5;
E. blind hole moulding: along axis direction moulding blind hole 6, in the present embodiment, said blind hole is a hexagonal flower shape screwed hole, forms semiproduct, sees Fig. 6 in the bottom surface of the said first bar flange 2;
F. the second bar flange, 3 moulding: said semiproduct are carried out cold extrusion, form the second bar flange 3 in the corresponding position of the said second transition round platform 12, see Fig. 7;
G. machine: the said semiproduct to through said step F carry out machine, are worked into preliminary dimension;
H. screw rod moulding: to through the said semiproduct of said step G in the pre-position rolling screw thread, shaping screw 4 forms finished product, sees Fig. 1.
Reasonably shaping process and preforming process have guaranteed that the multi-station cold-heading molding technology of the utility model can guarantee that in the process of formed automobile stop product product quality also can guarantee the application life of mould.
In order to optimize the preforming process of the utility model, in said step C, said angle is the 6-8 degree.
In the present embodiment, said angle is 6 degree.
For the whole technology that guarantees the utility model can be according to predetermined shaping, preformed and the final moulding that requires to realize product; Avoided again causing blank in forming process, to ftracture owing to pressure is excessive, the cold extrusion of the utility model is carried out under the pressure condition of 48-52MPa.
In the present embodiment, said cold-stamped pressure is 50MPa.
In order to improve the comprehensive mechanical property of product after the moulding, the utility model to moulding after the tempering again of quenching earlier of said automobile door stopper product, the temperature condition of said quenching is 840-860 ℃, the type of cooling is an oil cooling; The temperature condition of said tempering is 510-530 ℃, and the type of cooling is a water-cooled.
In the present embodiment, the temperature condition of said quenching is 850 ℃, and said tempering is that temperature condition is 520 ℃.
The automobile door stopper product that moulding obtains according to the foregoing description has higher comprehensive mechanical property, sees Fig. 9.
Present embodiment provides the production technology of automobile door stopper of embodiment 1 following:
A. blank: raw material is cut into the blank of reservation shape, and at this, said raw material is the 40Cr steel,
Its chemical composition is seen Fig. 8, and said blank is cut into cylinder blank, sees Fig. 2;
B. shaping: said blank is carried out cold extrusion; Form first intermediate; Said first intermediate comprises stock 11 and second round platform 7 that is connected through first round platform 14 with said stock 11; The big disc of the big disc of said first round platform 14 and said second round platform 7 is over against being connected and equal diameters, and the little disc of said first round platform 14 and said stock 1 are seen Fig. 3 over against being connected and equal diameters;
C. preformed: said first intermediate is carried out cold extrusion; Form second intermediate; Said second intermediate comprises the first transition round platform 8 and cylinder 9, and the big disc of the said first transition round platform 8 and the bottom surface of said cylinder 9 are over against being connected and the two equal diameters the bus formation sharp angle of the bottom surface of said cylinder 9 and the said first transition round platform 8; The end face of said cylinder 9 is connected with stock 11 smooth transition through the arc surface 10 of recessed axis to said cylinder 9; The diameter of said stock 11 forms the second transition round platform 12 less than the diameter of said cylinder 9 on the said stock 11, see Fig. 4;
D. the first bar flange, 2 moulding: said second intermediate is carried out cold extrusion, is the first bar flange 2 with the said first transition round platform 8 with said cylinder 9 Compound Extrusion, sees Fig. 5;
E. blind hole moulding: along axis direction moulding blind hole 6, in the present embodiment, said blind hole is a hexagonal flower shape screwed hole, forms semiproduct, sees Fig. 6 in the bottom surface of the said first bar flange 2;
F. the second bar flange, 3 moulding: said semiproduct are carried out cold extrusion, form the second bar flange 3 in the corresponding position of the said second transition round platform 12, see Fig. 7;
G. machine: the said semiproduct to through said step F carry out machine, are worked into preliminary dimension;
H. screw rod moulding: to through the said semiproduct of said step G in the pre-position rolling screw thread, shaping screw 4 forms finished product, sees Fig. 1.
Reasonably shaping process and preforming process have guaranteed that the multi-station cold-heading molding technology of the utility model can guarantee that in the process of formed automobile stop product product quality also can guarantee the application life of mould.
In order to optimize the preforming process of the utility model, in said step C, said angle is the 6-8 degree.
In the present embodiment, said angle is 6 degree.
For the whole technology that guarantees the utility model can be according to predetermined shaping, preformed and the final moulding that requires to realize product; Avoided again causing blank in forming process, to ftracture owing to pressure is excessive, the cold extrusion of the utility model is carried out under the pressure condition of 48-52MPa.
In the present embodiment, said cold-stamped pressure is 52MPa.
In order to improve the comprehensive mechanical property of product after the moulding, the utility model to moulding after the tempering again of quenching earlier of said automobile door stopper product, the temperature condition of said quenching is 840-860 ℃, the type of cooling is an oil cooling; The temperature condition of said tempering is 510-530 ℃, and the type of cooling is a water-cooled.
In the present embodiment, the temperature condition of said quenching is 860 ℃, and said tempering is that temperature condition is 530 ℃.
The automobile door stopper product that moulding obtains according to the foregoing description has higher comprehensive mechanical property, sees Fig. 9.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (7)
1. automobile door stopper; It is characterized in that: comprise the body of rod (1); The bottom of the said body of rod (1) forms the first radially outstanding bar flange (2); The top of the said body of rod (1) is provided with the second radially outstanding bar flange (3); The said second bar flange (3) with on the surface that the said body of rod (1) contacts a screw rod (4) coaxial with the said body of rod (1) is not set, the cylinder (5) that the other end setting of said screw rod (4) is coaxial with it, the said first bar flange (2) has an axial blind hole (6).
2. automobile door stopper according to claim 1 is characterized in that: the said body of rod (1) is one-body molded with said second bar flange (3) cold extrusion.
3. automobile door stopper according to claim 1 is characterized in that: the said body of rod (1) is fixing with the said second bar flange (3) welding.
4. according to each described automobile door stopper among the claim 1-3, it is characterized in that: the said body of rod (1) is connected through arc surface (10) smooth transition with the said first bar flange (2).
5. automobile door stopper according to claim 4 is characterized in that: said blind hole (6) is the screwed hole of interior hexagonal flower shape.
6. automobile door stopper according to claim 5 is characterized in that: the diameter of the said first bar flange (2) is greater than the diameter of the said second bar flange (3).
7. automobile door stopper according to claim 6 is characterized in that: the diameter of said cylinder (5) is less than the diameter of said screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203942069U CN202273512U (en) | 2011-10-17 | 2011-10-17 | Automobile door position limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203942069U CN202273512U (en) | 2011-10-17 | 2011-10-17 | Automobile door position limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273512U true CN202273512U (en) | 2012-06-13 |
Family
ID=46193876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203942069U Expired - Lifetime CN202273512U (en) | 2011-10-17 | 2011-10-17 | Automobile door position limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709571A (en) * | 2017-08-10 | 2020-01-17 | 罗尔梅奇汽车工贸联合公司 | Door holding mechanism |
-
2011
- 2011-10-17 CN CN2011203942069U patent/CN202273512U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709571A (en) * | 2017-08-10 | 2020-01-17 | 罗尔梅奇汽车工贸联合公司 | Door holding mechanism |
| CN110709571B (en) * | 2017-08-10 | 2021-11-23 | 罗尔梅奇汽车工贸联合公司 | Door holding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |