CN210592147U - Upper seat frame for automobile chassis - Google Patents
Upper seat frame for automobile chassis Download PDFInfo
- Publication number
- CN210592147U CN210592147U CN201921580894.0U CN201921580894U CN210592147U CN 210592147 U CN210592147 U CN 210592147U CN 201921580894 U CN201921580894 U CN 201921580894U CN 210592147 U CN210592147 U CN 210592147U
- Authority
- CN
- China
- Prior art keywords
- framework
- plastic
- plastic framework
- limiting clamping
- outer sleeve
- 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.)
- Withdrawn - After Issue
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- 239000004033 plastic Substances 0.000 claims abstract description 63
- 229920003023 plastic Polymers 0.000 claims abstract description 63
- 229920001971 elastomer Polymers 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 34
- 230000000670 limiting effect Effects 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model 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 with openings at two ends, is sleeved on the radial outer side of the metal framework and is fixed with the metal framework, and the center of the metal framework is provided with an installation through hole; a plurality of limiting clamping teeth which are uniformly distributed along the circumference of the plastic framework are symmetrically arranged on the top surface of the plastic framework and the bottom surface 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 clamped into the plastic framework top surface and the limiting clamping groove in the plastic framework bottom surface.
Description
Technical Field
The utility model relates to an upper bracket for vehicle chassis in auto-parts field.
Background
With the increasing pressure of the manufacturing cost of the automobile industry and the increasing demand of light weight in recent years, more and more traditional metal parts are replaced by plastic parts. A conventional upper bracket for automobile chassis, english Top Mount, includes casing 1, overcoat 2, inner frame 3 and yielding rubber structure 4.
The housing 1 comprises an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are connected through bolts and nuts. The center of the upper shell 11 is provided with an upper through hole, and the center of the lower shell 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 positioned on the radial inner side of the outer sleeve 2, and the center of the inner frame 3 is provided with a mounting through hole for connecting the upper seat frame with the shock absorber.
A damping rubber structure 4 is arranged between the inner framework 3 and the outer sleeve 2. The vibration damping and buffering functions are achieved.
The most critical part playing a role in damping and buffering in the upper seat frame is usually the damping rubber structure 4, but because rubber is made of an elastomer material, the damping rubber structure 4 cannot be directly connected with the shock absorber and the shell 1, the damping rubber structure 4, the inner framework 3 and the outer sleeve 2 must be bonded together through vulcanization to form an integral structure, and then the integral structure is connected with the shell 1 and the shock absorber into a whole. Therefore, when the automobile runs, the vibration transmitted to the shock absorber is attenuated and buffered through the damping rubber structure 4, and the vibration of the automobile body end is reduced.
Because the inner frame 3 and the shock absorber must be fastened and connected by screwing bolts and nuts, the inner frame 3 must be made of metal material to ensure the connection strength between the inner frame and the shock absorber. Meanwhile, due to the limit requirement, the shape of the inner frame 3 is irregular, and the production and manufacturing cost of the inner frame 3 is high as shown in fig. 2.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's not enough, providing a last seat frame for vehicle chassis, the fatigue life of yielding rubber structure effectively improves, and weight and cost more tradition are used for vehicle chassis's last seat frame to reduce simultaneously.
One technical scheme for achieving the above 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 with openings at two ends, is sleeved on the radial outer side of the metal framework and is fixed with the metal framework, and the center of the metal framework is provided with an installation through hole;
a plurality of limiting clamping teeth which are uniformly distributed along the circumference of the plastic framework are symmetrically arranged on the top surface of the plastic framework and the bottom surface 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 clamped into the plastic framework top surface and the limiting clamping groove in the plastic framework bottom surface.
The outer circumference of the metal framework is uniformly distributed with a plurality of petal structures, the number of the petal structures is equal to that of the limiting clamping grooves, and the petal structures are provided with injection molding through holes for fixing the plastic framework and the metal framework.
Furthermore, the petal structures correspond to the limiting clamping grooves in position one to one.
Furthermore, the limiting latch is wedge-shaped.
Furthermore, the metal framework is fixed with the inner circumferential wall of the plastic framework in the middle of the plastic framework.
Furthermore, a first positioning structure is arranged on the outer circumference of the mounting through hole.
Furthermore, a second positioning structure is arranged on the inner circumferential wall of the plastic framework.
Further, the casing includes casing body and casing closing cap, this internal installation that is equipped with of casing is used for the installation the overcoat the yielding rubber structure with the installation cavity of inner frame.
Still further, the top surface of the outer sleeve, the bottom surface of the outer sleeve and the outer circumferential surface of the outer sleeve are attached to the shell in the mounting cavity, and the outer circumference of the damping rubber structure is attached to the inner circumference of the outer sleeve.
Still further, the shell body is provided with a nut structure for connecting the upper seat frame 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 with openings at two ends, is sleeved on the radial outer side of the metal framework and is fixed with the metal framework, and the center of the metal framework is provided with an installation through hole; a plurality of limiting clamping teeth which are uniformly distributed along the circumference of the plastic framework are symmetrically arranged on the top surface of the plastic framework and the bottom surface 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 clamped into the plastic framework top surface and the limiting clamping groove in the plastic framework bottom surface. 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 the traditional upper seat frame for the automobile chassis.
Drawings
Fig. 1 is a schematic structural view of a prior art upper mount for an automobile chassis.
Fig. 2 is a schematic structural view of an inner frame of a related art upper seat frame for an automobile chassis.
Fig. 3 is a schematic structural diagram of an upper seat frame for an automobile chassis according to the present invention.
Fig. 4 is a schematic diagram of an inner frame structure of an upper seat frame for an automobile chassis according to the present invention.
Fig. 5 is a schematic structural diagram of a metal framework of an upper seat frame for an automobile chassis according to the present invention.
Fig. 6 is an assembly schematic diagram of the inner frame, the damping rubber structure and the outer cover of the upper seat frame for the automobile chassis of the present invention.
Detailed Description
Referring to fig. 3 to 6, in order to better understand the technical solution of the present invention, the inventor of the present invention will now describe in detail the following embodiments with reference to the accompanying drawings:
referring to fig. 3, the upper seat frame for the automobile chassis of the present invention includes a casing 1, an outer casing 2, a damping rubber structure 4 and an inner frame 3, which are sequentially disposed from outside to inside in a radial direction.
The shell 1 comprises a shell body 13 and a shell cover 14, and an installation cavity for installing the outer sleeve 2, the damping rubber structure 4 and the inner framework 3 is formed in the shell body 13. A housing cover 14 secures the outer casing 2, the cushion 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 and 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 in the middle of the plastic framework 32, and the center of the metal framework 31 is provided with an installation through hole 311 for fixing the upper seat frame with the shock absorber.
Six limiting clamping teeth 321 evenly 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 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 latch 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 latch teeth 321 correspond to the limiting part of the damping rubber structure 4, so that the limiting effect is effectively ensured, and a larger limiting load can be borne; spacing draw-in groove 322 corresponds the buffering damping part of yielding rubber structure 4, utilizes six spacing latch 321 of plastic skeleton 32 and six wedge structures of spacing draw-in groove 322, when yielding rubber structure 4 bears the load, forms the alcove extrusion to yielding rubber structure 4 to make yielding rubber structure 4 bear the extrusion stress, improve the fatigue life of yielding rubber structure 4.
Around the outer circumference of metal framework 31, a plurality of petal structure 312 of equipartition, the quantity of petal structure 312 equals the quantity of spacing draw-in groove 322, is equipped with on the petal structure 312 to be used for the fixed through-hole 313 of moulding plastics of plastic skeleton 32 and metal framework 31.
The metal framework 31 is formed by conventional plate punching, the production process is simple, and the material and manufacturing cost is low. The plastic framework 32 can be produced into a complex structure by using an injection molding process, and the manufacturing cost is low. The plastic flows through the injection through hole 313 during the injection molding process of the plastic framework 32, so that the metal framework 31 and the plastic framework 32 are integrated into a whole to form the inner framework 3, the structure is firm and reliable, and the weight is lower than that of the inner framework 3 made of the conventional metal. The design has simple forming process and effectively reduced production cost.
In order to ensure the connection strength between the metal framework 31 and the plastic framework 32, the petal structures 312 correspond to the position of the limiting clamping grooves 322 one by one.
In order to ensure the mounting accuracy of the upper seat frame and the chassis of the vehicle, the outer circumference of the mounting through hole 311 is provided with a first positioning structure 315. A second locating formation 325 is provided on the inner circumference of the plastic skeleton 32.
Referring to fig. 6, the bottom surface of the outer casing 2 and the outer circumferential surface 2 of the outer casing are both attached to the housing body 13 in the installation cavity, and the top surface of the outer casing 2 is attached to the bottom surface of the housing cover 14. The inner circumference of the jacket 2 is attached to the inner circumference of the cushion rubber structure 4, so that the cushion rubber structure 4 can better bear load.
The utility model discloses a 4 fatigue life of yielding rubber structure effectively improve in upper saddle for vehicle chassis, the upper saddle that the cost is used for vehicle chassis than the tradition simultaneously reduces. The automobile anti-fatigue device can well meet the requirements of comfort, fatigue life and cost of the client and has a great application and popularization prospect.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present 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 with openings at two ends, is sleeved on the radial outer side of the metal framework and is fixed with the metal framework, and the center of the metal framework is provided with an installation through hole;
a plurality of limiting clamping teeth which are uniformly distributed along the circumference of the plastic framework are symmetrically arranged on the top surface of the plastic framework and the bottom surface 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 clamped into the plastic framework top surface and the limiting clamping groove in the plastic framework bottom surface.
2. An upper mount for an automotive chassis according to claim 1, characterized in that: the outer circumference of the metal framework is uniformly distributed with a plurality of petal structures, the number of the petal structures is equal to that of the limiting clamping grooves, and the petal structures are provided with injection molding through holes for fixing the plastic framework and the metal framework.
3. An upper mount for an automotive chassis according to claim 2, characterized in that: the petal structures correspond to the limiting clamping grooves in position one to one.
4. An upper mount for an automotive chassis according to claim 1, characterized in that: the limiting latch is wedge-shaped.
5. An upper mount for an automotive chassis according to claim 1, characterized in that: the metal framework is fixed with the inner circumferential wall of the plastic framework in the middle of the plastic framework.
6. An upper mount for an automotive chassis according to claim 1, characterized in that: the outer circumference of the installation through hole is provided with a first positioning structure.
7. An upper mount for an automotive chassis according to 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, characterized in that: the casing includes casing body and casing closing cap, this internal being equipped with of casing is used for the installation the overcoat the yielding rubber structure with the installation cavity of inner frame.
9. An upper mount for an automotive chassis according to claim 8, characterized in that: the top surface of the outer sleeve, the bottom surface of the outer sleeve and the outer circumferential surface of the outer sleeve are attached to the shell in the mounting cavity, and the outer circumference of the damping rubber structure is attached to the inner circumference of the outer sleeve.
10. An upper mount for an automotive chassis according to claim 8, characterized in that: 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 |
|---|---|---|---|
| CN201921580894.0U CN210592147U (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580894.0U CN210592147U (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210592147U true CN210592147U (en) | 2020-05-22 |
Family
ID=70714461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921580894.0U Withdrawn - After Issue CN210592147U (en) | 2019-09-23 | 2019-09-23 | Upper seat frame for automobile chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210592147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450856A (en) * | 2019-09-23 | 2019-11-15 | 博戈橡胶金属（上海）有限公司 | A kind of upper housing for automobile chassis |
-
2019
- 2019-09-23 CN CN201921580894.0U patent/CN210592147U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450856A (en) * | 2019-09-23 | 2019-11-15 | 博戈橡胶金属（上海）有限公司 | A kind of upper housing for automobile chassis |
| CN110450856B (en) * | 2019-09-23 | 2024-04-26 | 博戈橡胶金属（上海）有限公司 | Upper seat frame for automobile chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200522 Effective date of abandoning: 20240426 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200522 Effective date of abandoning: 20240426 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |