CN110450856B - Upper seat frame for automobile chassis - Google Patents
Upper seat frame for automobile chassis Download PDFInfo
- Publication number
- CN110450856B CN110450856B CN201910897695.0A CN201910897695A CN110450856B CN 110450856 B CN110450856 B CN 110450856B CN 201910897695 A CN201910897695 A CN 201910897695A CN 110450856 B CN110450856 B CN 110450856B
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- CN
- China
- Prior art keywords
- framework
- plastic
- plastic framework
- shell
- limiting clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004033 plastic Substances 0.000 claims abstract description 65
- 229920003023 plastic Polymers 0.000 claims abstract description 65
- 229920001971 elastomer Polymers 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 31
- 230000000670 limiting effect Effects 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 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
- 239000000243 solution Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D24/00—Connections between vehicle body and vehicle frame
- B62D24/02—Vehicle body, not intended to move relatively to the vehicle frame, and mounted on vibration absorbing mountings, e.g. rubber pads
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an upper seat frame for an automobile chassis in the field of automobile accessories, which comprises a shell, an outer sleeve, a damping rubber structure and an inner framework, wherein the shell, the outer sleeve, the damping rubber structure and the inner framework are sequentially arranged from outside to inside in the radial direction; the inner framework comprises a metal framework and a plastic framework; the plastic framework is a cylinder body with two open ends, is sleeved on the radial outer side of the metal framework, is fixed with the metal framework, and is provided with a mounting through hole in the center; a plurality of limiting clamping teeth are symmetrically arranged on the top surface of the plastic framework and the bottom surface of the plastic framework along the circumference of the plastic framework, and a limiting clamping groove is formed between any two adjacent limiting clamping teeth; the damping rubber structure is attached to the outer circumference of the plastic framework and is clamped into the limiting clamping grooves on the top surface of the plastic framework and the bottom surface of the plastic framework.
Description
Technical Field
The invention relates to an upper seat frame for an automobile chassis, belonging to the field of automobile accessories.
Background
With the increasing pressure of manufacturing cost in the automobile industry and the increasing demand for weight reduction in recent years, more and more traditional metal parts are replaced by plastic parts. The conventional upper seat frame for automobile chassis, english Top Mount, comprises a shell 1, an outer jacket 2, an inner frame 3 and a shock absorbing rubber structure 4.
The housing 1 includes an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are connected by bolts and nuts. The center of the upper housing 11 is provided with an upper through hole, and the center of the lower housing 12 is correspondingly provided with a lower through hole.
The outer sleeve 2 is coaxially positioned on the radial inner side of the shell 1 and is provided with a bowl-shaped structure with an upward opening, the outer circumferential wall of the outer sleeve 2 is attached to the inner circumferential wall of the lower shell 12, the outer bottom wall of the outer sleeve 2 is attached to the inner bottom wall of the lower shell 12, and the top surface of the outer sleeve 2 is attached to the bottom surface of the upper shell 11. The center of the bottom surface of the outer sleeve 2 is provided with a connecting hole.
The inner frame 3 is coaxially located at the radial inner side of the outer sleeve 2, and a mounting through hole for connecting the upper seat frame with the shock absorber is formed in the center of the inner frame 3.
A damping rubber structure 4 is arranged between the inner framework 3 and the outer sleeve 2. Plays a role of vibration reduction and buffering.
The most critical component of the upper seat frame for damping is usually the damping rubber structure 4, but since the rubber is made of elastomer, the damping rubber structure 4 cannot be directly connected with the damper and the shell 1, and the damping rubber structure 4, the inner frame 3 and the outer sleeve 2 must be bonded together through vulcanization to form an integral structure, and then connected with the shell 1 and the damper into a whole. So that the vibration transmitted to the shock absorber during running of the automobile is attenuated and buffered by the vibration damping rubber structure 4, and the vibration of the automobile body end is reduced.
Since the connection between the inner frame 3 and the damper must be fastened by tightening bolts and nuts, the inner frame 3 must be made of metal to ensure the connection strength with the damper. Meanwhile, due to the limit requirement, the shape of the inner framework 3 is irregular, as shown in fig. 2, so that the production and manufacturing cost of the inner framework 3 is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the upper seat frame for the automobile chassis, which effectively improves the fatigue life of a shock-absorbing rubber structure and reduces the weight and the cost compared with the traditional upper seat frame for the automobile chassis.
The technical scheme for achieving the purpose is as follows: an upper seat frame for an automobile chassis comprises a shell, an outer sleeve, a damping rubber structure and an inner framework which are sequentially arranged from outside to inside in the radial direction, wherein the outer circumference of the outer sleeve is attached to the inner circumference of the shell;
The inner framework comprises a metal framework and a plastic framework; the plastic framework is a cylinder body with two open ends, is sleeved on the radial outer side of the metal framework, is fixed with the metal framework, and is provided with a mounting through hole in the center;
A plurality of limiting clamping teeth are symmetrically arranged on the top surface of the plastic framework and the bottom surface of the plastic framework along the circumference of the plastic framework, and a limiting clamping groove is formed between any two adjacent limiting clamping teeth;
the damping rubber structure is attached to the outer circumference of the plastic framework and is clamped into the limiting clamping grooves on the top surface of the plastic framework and the bottom surface of the plastic framework.
Around metal skeleton's outer circumference, equipartition a plurality of petal structure, the quantity of petal structure equals the quantity of spacing draw-in groove, be equipped with on the petal structure be used for with the plastics skeleton with the fixed through-hole of moulding plastics of metal skeleton.
Still further, petal structure with spacing draw-in groove's position one-to-one.
Further, the limiting latch is wedge-shaped.
Further, the metal framework is fixed with the inner circumferential wall of the plastic framework at the middle part of the plastic framework.
Further, the outer circumference of the mounting through hole is provided with a first positioning structure.
Further, a second positioning structure is arranged on the inner circumferential wall of the plastic framework.
Further, the shell comprises a shell body and a shell cover, wherein a mounting cavity for mounting the outer sleeve, the damping rubber structure and the inner framework is formed in the shell body.
Still further, the top surface of overcoat, the bottom surface of overcoat, the outer periphery of overcoat all be in the installation cavity with the casing laminating, the outer periphery of shock attenuation rubber structure with the inner periphery laminating of overcoat.
Still further, the housing body is provided with a nut structure for connecting the upper mount with the vehicle body.
The technical scheme of the upper seat frame for the automobile chassis comprises a shell, an outer sleeve, a damping rubber structure and an inner framework which are sequentially arranged from outside to inside in the radial direction, wherein the outer circumference of the outer sleeve is attached to the inner circumference of the shell; the inner framework comprises a metal framework and a plastic framework; the plastic framework is a cylinder body with two open ends, is sleeved on the radial outer side of the metal framework, is fixed with the metal framework, and is provided with a mounting through hole in the center; a plurality of limiting clamping teeth are symmetrically arranged on the top surface of the plastic framework and the bottom surface of the plastic framework along the circumference of the plastic framework, and a limiting clamping groove is formed between any two adjacent limiting clamping teeth; the damping rubber structure is attached to the outer circumference of the plastic framework and is clamped into the limiting clamping grooves on the top surface of the plastic framework and the bottom surface of the plastic framework. The technical effects are as follows: the fatigue life of the damping rubber structure is effectively prolonged, and meanwhile, the weight and the cost are reduced compared with those of an upper seat frame which is used for an automobile chassis.
Drawings
Fig. 1 is a schematic view of a prior art upper mount for an automobile chassis.
Fig. 2 is a schematic structural view of an inner frame of an upper chassis frame for an automobile chassis according to the prior art.
Fig. 3 is a schematic structural view of an upper chassis frame for an automobile chassis according to the present invention.
Fig. 4 is a schematic view showing an inner skeleton structure of an upper mount for an automobile chassis according to the present invention.
Fig. 5 is a schematic structural view of a metal skeleton of an upper mount for an automobile chassis according to the present invention.
Fig. 6 is a schematic view showing the assembly of an inner frame, a shock absorbing rubber structure and an outer cover for an upper seat frame of an automobile chassis according to the present invention.
Detailed Description
Referring to fig. 3 to 6, in order to better understand the technical solutions of the present invention, the following detailed description is given by specific embodiments with reference to the accompanying drawings:
Referring to fig. 3, an upper seat frame for an automobile chassis according to the present invention includes a housing 1, an outer jacket 2, a shock-absorbing rubber structure 4, and an inner frame 3, which are radially disposed in this order from the outside to the inside.
The shell 1 comprises a shell body 13 and a shell cover 14, wherein an installation cavity for installing the outer sleeve 2, the damping rubber structure 4 and the inner framework 3 is arranged in the shell body 13. The housing cover 14 secures the outer jacket 2, the shock absorbing rubber structure 4 and the inner frame 3 at the top of the mounting cavity. The housing body 13 is further provided with a nut structure 15 for connecting the upper mount to the vehicle body.
Referring to fig. 4 and 5, the inner frame 3 includes a metal frame 31 and a plastic frame 32; the plastic framework 32 is a cylinder with two open ends, is sleeved on the radial outer side of the metal framework 31, the metal framework 31 is fixed with the inner circumferential wall of the plastic framework 32 at the middle part of the plastic framework 32, and the center of the metal framework 31 is provided with a mounting through hole 311 for fixing the upper seat frame with the shock absorber.
Six limiting clamping teeth 321 uniformly distributed along the circumference of the plastic framework 32 are symmetrically arranged on the top surface of the plastic framework 32 and the bottom surface of the plastic framework 32, and a limiting clamping groove 322 is formed between any two adjacent limiting clamping teeth 321.
The damping rubber structure 4 is attached to the outer circumference of the plastic framework 32 and is clamped into the limiting clamping grooves 322 on the top surface of the plastic framework 32 and the bottom surface of the plastic framework 32.
Six limiting clamping teeth 321 and six limiting clamping grooves 322 which are uniformly distributed along the circumference of the plastic framework 32 are symmetrically arranged on the top surface of the plastic framework 32 and the bottom surface of the plastic framework 32, and the limiting clamping teeth 321 correspond to the limiting part of the shock-absorbing rubber structure 4, so that the limiting effect is effectively ensured, and a larger limiting load can be borne; the limit clamping groove 322 corresponds to a buffering vibration reduction part of the shock absorption rubber structure 4, and the wedge-shaped structures of the six limit clamping teeth 321 and the six limit clamping grooves 322 of the plastic framework 32 are utilized, so that when the shock absorption rubber structure 4 bears load, the shock absorption rubber structure 4 is extruded to form a cage, the shock absorption rubber structure 4 bears extrusion stress, and the fatigue life of the shock absorption rubber structure 4 is prolonged.
Around the outer circumference of metal skeleton 31, a plurality of petal structure 312 is equispaced, and the quantity of petal structure 312 equals spacing draw-in groove 322, is equipped with the through-hole 313 of moulding plastics that is used for fixed with plastic skeleton 32 and metal skeleton 31 on the petal structure 312.
The metal skeleton 31 is formed by stamping a conventional plate, so that the production process is simple, and the material and manufacturing cost are low. The plastic skeleton 32 can be manufactured with low cost by utilizing the characteristic of complex structure of injection molding process. In the injection molding process of the plastic skeleton 32, the plastic flows through the injection molding through holes 313, so that the metal skeleton 31 and the plastic skeleton 32 are integrated into an inner skeleton 3, and the structure is firm and reliable, and the weight is lower than that of the inner skeleton 3 made of conventional metal. The design and molding process is simple, and the production cost is effectively reduced.
In order to ensure the connection strength between the metal skeleton 31 and the plastic skeleton 32, the petal structures 312 are in one-to-one correspondence with the positions of the limit clamping grooves 322.
In order to ensure the mounting accuracy of the upper mount and the automobile chassis, the outer circumference of the mounting through hole 311 is provided with a first positioning structure 315. A second locating structure 325 is provided on the inner circumference of the plastic skeleton 32.
Referring to fig. 6, the bottom surface of the outer sleeve 2 and the outer circumferential surface 2 of the outer sleeve are both attached to the housing body 13 in the mounting cavity, and the top surface of the outer sleeve 2 is attached to the bottom surface of the housing cover 14. The inner circumference of the outer sleeve 2 is attached to the inner circumference of the shock absorbing rubber structure 4, so that the shock absorbing rubber structure 4 can bear load better.
The fatigue life of the damping rubber structure 4 in the upper seat frame for the automobile chassis is effectively prolonged, and meanwhile, the cost is reduced compared with that of the upper seat frame for the automobile chassis. The automobile seat can well meet the comfort requirement and the fatigue life requirement of a customer automobile and the cost requirement, and has a large application and popularization prospect.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (10)
1. An upper seat frame for an automobile chassis comprises a shell, an outer sleeve, a damping rubber structure and an inner framework which are sequentially arranged from outside to inside in the radial direction, wherein the outer circumference of the outer sleeve is attached to the inner circumference of the shell; the method is characterized in that:
The inner framework comprises a metal framework and a plastic framework; the plastic framework is a cylinder body with two open ends, is sleeved on the radial outer side of the metal framework, is fixed with the metal framework, and is provided with a mounting through hole in the center;
A plurality of limiting clamping teeth are symmetrically arranged on the top surface of the plastic framework and the bottom surface of the plastic framework along the circumference of the plastic framework, and a limiting clamping groove is formed between any two adjacent limiting clamping teeth;
the damping rubber structure is attached to the outer circumference of the plastic framework and is clamped into the limiting clamping grooves on the top surface of the plastic framework and the bottom surface of the plastic framework.
2. An upper mount for an automotive chassis according to claim 1, wherein: around metal skeleton's outer circumference, equipartition a plurality of petal structure, the quantity of petal structure equals the quantity of spacing draw-in groove, be equipped with on the petal structure be used for with the plastics skeleton with the fixed through-hole of moulding plastics of metal skeleton.
3. An upper mount for an automotive chassis according to claim 2, wherein: the petal structures are in one-to-one correspondence with the positions of the limiting clamping grooves.
4. An upper mount for an automotive chassis according to claim 1, wherein: the limiting latch is wedge-shaped.
5. An upper mount for an automotive chassis according to claim 1, wherein: the metal framework is fixed with the inner circumferential wall of the plastic framework at the middle part of the plastic framework.
6. An upper mount for an automotive chassis according to claim 1, wherein: the outer circumference of the installation through hole is provided with a first positioning structure.
7. An upper mount for an automotive chassis as claimed in claim 6, wherein: and a second positioning structure is arranged on the inner circumferential wall of the plastic framework.
8. An upper mount for an automotive chassis according to claim 1, wherein: the shell comprises a shell body and a shell cover, wherein a mounting cavity for mounting the outer sleeve, the damping rubber structure and the inner framework is formed in the shell body.
9. An upper mount for an automotive chassis according to claim 8, wherein: the top surface of overcoat, the bottom surface of overcoat, the outer periphery of overcoat all be in the installation cavity with the casing laminating, the outer periphery of shock attenuation rubber structure with the inner periphery laminating of overcoat.
10. An upper mount for an automotive chassis according to claim 8, wherein: the shell body is provided with a nut structure for connecting the upper seat frame with the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897695.0A CN110450856B (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897695.0A CN110450856B (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110450856A CN110450856A (en) | 2019-11-15 |
| CN110450856B true CN110450856B (en) | 2024-04-26 |
Family
ID=68492650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910897695.0A Active CN110450856B (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110450856B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2343926A1 (en) * | 1973-08-31 | 1975-03-13 | Kaspar Lochner | Energy absorber and thrust damper - has closed flexible cylindrical body filled with elastic medium |
| CN103348160A (en) * | 2011-01-28 | 2013-10-09 | 巴斯夫欧洲公司 | Shock-absorbing bearing comprising a profiled insert |
| DE102013203025B3 (en) * | 2013-02-25 | 2014-03-20 | Zf Friedrichshafen Ag | Spring support assembly for helical spring for spring-absorber arrangement of motor car, has supporting surface interspersed with seam that runs radially outward under slope, where seam lies adjacent to profile in circumferential direction |
| CN204095424U (en) * | 2013-10-25 | 2015-01-14 | 现代摩比斯株式会社 | Assembling bushings device |
| KR101528783B1 (en) * | 2014-02-14 | 2015-06-15 | 주식회사 현대포리텍 | Strut insulator assembly for suspension of vehicle |
| CN107110277A (en) * | 2014-11-27 | 2017-08-29 | 仓敷化工株式会社 | Traveller bearing |
| CN107284231A (en) * | 2016-03-31 | 2017-10-24 | 上汽通用五菱汽车股份有限公司 | It is a kind of to lift rigidity and the intermediate support structure of damping |
| CN109667867A (en) * | 2019-02-28 | 2019-04-23 | 博戈橡胶金属（上海）有限公司 | A kind of pure electric automobile circular support |
| CN210592147U (en) * | 2019-09-23 | 2020-05-22 | 博戈橡胶金属（上海）有限公司 | Upper seat frame for automobile chassis |
-
2019
- 2019-09-23 CN CN201910897695.0A patent/CN110450856B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2343926A1 (en) * | 1973-08-31 | 1975-03-13 | Kaspar Lochner | Energy absorber and thrust damper - has closed flexible cylindrical body filled with elastic medium |
| CN103348160A (en) * | 2011-01-28 | 2013-10-09 | 巴斯夫欧洲公司 | Shock-absorbing bearing comprising a profiled insert |
| DE102013203025B3 (en) * | 2013-02-25 | 2014-03-20 | Zf Friedrichshafen Ag | Spring support assembly for helical spring for spring-absorber arrangement of motor car, has supporting surface interspersed with seam that runs radially outward under slope, where seam lies adjacent to profile in circumferential direction |
| CN204095424U (en) * | 2013-10-25 | 2015-01-14 | 现代摩比斯株式会社 | Assembling bushings device |
| KR101528783B1 (en) * | 2014-02-14 | 2015-06-15 | 주식회사 현대포리텍 | Strut insulator assembly for suspension of vehicle |
| CN107110277A (en) * | 2014-11-27 | 2017-08-29 | 仓敷化工株式会社 | Traveller bearing |
| CN107284231A (en) * | 2016-03-31 | 2017-10-24 | 上汽通用五菱汽车股份有限公司 | It is a kind of to lift rigidity and the intermediate support structure of damping |
| CN109667867A (en) * | 2019-02-28 | 2019-04-23 | 博戈橡胶金属（上海）有限公司 | A kind of pure electric automobile circular support |
| CN210592147U (en) * | 2019-09-23 | 2020-05-22 | 博戈橡胶金属（上海）有限公司 | Upper seat frame for automobile chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110450856A (en) | 2019-11-15 |
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