CN209938316U - Drive shaft fixing support structure - Google Patents
Drive shaft fixing support structure Download PDFInfo
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- CN209938316U CN209938316U CN201920593390.6U CN201920593390U CN209938316U CN 209938316 U CN209938316 U CN 209938316U CN 201920593390 U CN201920593390 U CN 201920593390U CN 209938316 U CN209938316 U CN 209938316U
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- heat shield
- driving shaft
- shaft fixing
- fixing support
- drive shaft
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Abstract
The utility model discloses a driving shaft fixing support structure, which comprises a driving shaft fixing support body (1), a heat shield (2) and a driving shaft (3); the driving shaft fixing support body (1) is an integrally formed casting and consists of an engine cylinder body mounting plate (1-1), a bearing (1-4) and a connecting plate (1-2) for connecting the engine cylinder body mounting plate and the bearing, and a shaft rod of the driving shaft (3) penetrates through the bearing (1-4); the cross section of the connecting plate (1-2) is I-shaped; the heat shield (2) consists of a heat shield mounting plate (2-1) and a heat shield main body (2-2); the heat shield mounting plate (2-1) is connected with the driving shaft fixing support body (1) through bolts; the heat shield main body (2-2) is 3 concentric arc surfaces which are arranged in a step shape and have different radiuses and are respectively a shaft lever protection area (2-21), a bearing protection area (2-22) and a driving shaft rubber dust shield protection area (2-23). The utility model discloses easy to assemble, and the important position of protection drive shaft exempts from to receive blast pipe high temperature and roast.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, concretely relates to drive shaft fixing support structure.
Background
The driving shaft support is used as a connecting structure of the driving shaft and the engine cylinder body to play roles in fixing and improving the included angle of the transmission shaft.
The drive shaft fixing support does not have the heat exchanger that separates greatly, because the carminative form of arranging of present vehicle is back exhaust mostly, preceding catalyst converter support will be less with the bearing position clearance of drive shaft like this, and the drive shaft fixing support is if not including separating the heat exchanger then the bearing easily receives high temperature influence and causes the problem such as lubricated grease evaporation transmission efficiency reduction.
In addition, some driving shafts are one-section driving shafts, the heat insulation cover is split, and the heat insulation cover is independently arranged on the engine cylinder block, so that the occupied space is large, and the space arrangement is not facilitated; the split type driving shaft fixing support, the heat insulation cover and the driving shaft are divided into three installation individuals, so that the installation is inconvenient, and the installation efficiency is influenced; the commonality that separates the heat exchanger is relatively poor, can not carry out the commonality with other drive shafts, can only be applicable to the same type engine cylinder body mounting hole.
Disclosure of Invention
An object of the utility model is to provide an integral type just has drive shaft fixing support structure of heat exchanger that separates, makes things convenient for two segmentation drive shafts to install, and the important position of protection drive shaft avoids receiving blast pipe high temperature and sears. The utility model aims at realizing through the following technical scheme:
a driving shaft fixing support structure comprises a driving shaft fixing support body, a heat insulation cover and a driving shaft; the driving shaft fixing support body is an integrally formed casting and consists of an engine cylinder body mounting plate, a bearing and a connecting plate for connecting the engine cylinder body mounting plate and the bearing, and a shaft lever of the driving shaft penetrates through the bearing; the engine cylinder body mounting plate is provided with a threaded through hole, the cross section of the connecting plate is I-shaped, and the upper surface of the connecting plate is provided with a heat shield threaded mounting hole; the heat shield consists of a heat shield mounting plate and a heat shield main body; the heat shield mounting plate is provided with a mounting through hole corresponding to the heat shield threaded mounting hole on the driving shaft fixing support body and is connected with the driving shaft fixing support body through a bolt; the heat shield main body is 3 concentric arc surfaces which are arranged in a step shape and have different radiuses, the heat shield main body covers the outer side of the bearing, and the 3 concentric arc surfaces are respectively a shaft lever protection area, a bearing protection area and a driving shaft rubber dust cover protection area.
Furthermore, thickened parts are cast at corresponding positions below the two side walls of the upper part of the connecting plate and the threaded mounting hole of the heat shield.
Furthermore, the driving shaft fixing support body is made of nodular cast iron.
Furthermore, the material of drive shaft fixing support body is QT450 ball-milling cast iron.
Furthermore, the heat shield is made of stainless steel.
Furthermore, the material of the heat shield is DC01 stainless steel.
Furthermore, gaps are reserved between the heat shield main body and the driving shaft lever, between the heat shield main body and the bearing and between the heat shield main body and the driving shaft rubber dust shield arranged on the driving shaft.
Furthermore, the two thermal shield thread mounting holes in the driving shaft fixing support body are provided, the two mounting through holes in the thermal shield are also provided, and the distance between the two thermal shield thread mounting holes is equal to the distance between the two mounting through holes.
Further, the drive shaft fixing support body is connected with the heat shield through an elastic cushion bolt.
The utility model has the advantages that:
1) the heat insulation effect is good, and the bearing of the driving shaft and the rubber dust cover can be protected;
2) the installation is convenient, and the assembly time can be saved;
3) the disassembly is convenient, and the maintenance is easy;
4) the cost is low;
5) the total mass is small;
6) the universality is strong;
7) is easy to process and produce.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the whole structure of the driving shaft fixing support of the present invention;
FIG. 2 is an exploded view of the fixing support for the driving shaft of the present invention;
FIG. 3 is a schematic structural view of a drive shaft fixing support body;
FIG. 4 is a front view of FIG. 1;
FIG. 5 is a side view of FIG. 1;
FIG. 6 is a front view of the driving shaft fixing support body;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
FIG. 8 is a schematic view of a heat shield configuration;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a schematic view of the structure A-A of FIG. 9;
fig. 11 is a side view of fig. 8.
Reference numerals: 1. the driving shaft is fixed on the support body; 2. a heat shield; 3. a drive shaft; 1-1, mounting plate of engine cylinder; 1-2, connecting plates; 1-3. thickening part; 1-4. bearings; 1-11, a threaded through hole; 1-21, a heat shield thread mounting hole; 2-1, mounting a heat shield; 2-2. a heat shield main body; 2-11, installing a through hole; 2-21, a shaft rod protection area; 2-22. bearing protection zone; 2-23. protecting area of rubber dust cover of driving shaft.
Detailed Description
As shown in fig. 1 and 2, a drive shaft fixing support structure includes a drive shaft fixing support body 1, a heat shield 2, and a drive shaft 3.
As shown in FIG. 3 ~ 7, the drive shaft fixing support body 1 is an integrally formed casting and is composed of an engine cylinder body mounting plate 1-1, a bearing 1-4 and a connecting plate 1-2 for connecting the engine cylinder body mounting plate and the bearing 1-1, wherein the connecting plate 1-2 is vertically connected with the engine cylinder body mounting plate 1-1, a shaft rod of a drive shaft 3 penetrates through the bearing 1-4, and the connecting plate 1-2 is vertical to the drive shaft 3;
as shown in fig. 8 ~ 11, the heat shield 2 comprises a heat shield mounting plate 2-1 and a heat shield main body 2-2, wherein the heat shield mounting plate 2-1 is provided with mounting through holes 2-11 corresponding to heat shield threaded mounting holes 1-21 on the drive shaft fixing support body 1 and is connected with the drive shaft fixing support body 1 through bolts, the heat shield main body 2-2 is 3 concentric arc surfaces which are arranged in a step shape and have different radiuses, the heat shield main body 2-2 covers the outer side of the bearing 1-4, and the 3 concentric arc surfaces are a shaft rod protection area 2-21, a bearing protection area 2-22 and a drive shaft rubber dust cover protection area 2-23 respectively.
In this embodiment: thickened parts 1-3 are cast at corresponding positions below the threaded mounting holes 1-21 of the two side walls at the upper part of the connecting plate 1-2. The material of drive shaft fixing support body 1 is QT450 ball-milling cast iron. The material of the heat shield 2 is DC01 stainless steel. Gaps are reserved between the heat shield main body 2-2 and the shaft lever of the driving shaft 3, the bearings 1-4 and a driving shaft rubber dust shield arranged on the driving shaft 3. Two thermal shield threaded mounting holes 1-21 are formed in the driving shaft fixing support body 1, two mounting through holes 2-11 are formed in the thermal shield 2, and the distance between the two thermal shield threaded mounting holes 1-21 is equal to the distance between the two mounting through holes 2-11. The driving shaft fixing support body 1 is connected with the heat shield 2 through an elastic cushion bolt.
In this embodiment: the driving shaft fixing support body is of an integrated structure, the cross section of the connecting plate is in an I shape, so that the strength and the rigidity of the support are improved, and the weight of the support is reduced; the heat insulation cover is in a shape of three stepped concentric circles, a certain gap is guaranteed to be reserved between the heat insulation cover and the rotating part, the driving shaft lever, the bearing and the driving shaft rubber dust cover are respectively protected, and the three important parts of the driving shaft are prevented from being influenced by high-temperature roasting of the exhaust pipe; the installation mode of the heat shield and the driving shaft fixing support body is that the heat shield and the driving shaft fixing support body are connected through two elastic cushion bolts, a threaded hole is formed in the driving shaft fixing support body, the heat shield is two corresponding through holes, the heat shield is universally installed on different driving shaft fixing supports, and the heat shield can be installed as long as the sizes of two threaded installation holes of different fixing supports and the hole intervals are consistent.
The above-mentioned embodiments are only part of the present invention, and do not cover the whole of the present invention, and on the basis of the above-mentioned embodiments and the attached drawings, those skilled in the art can obtain more embodiments without creative efforts, so that the embodiments obtained without creative efforts are all included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a drive shaft fixing support structure which characterized in that: comprises a driving shaft fixing support body (1), a heat shield (2) and a driving shaft (3);
the driving shaft fixing support body (1) is an integrally formed casting and consists of an engine cylinder body mounting plate (1-1), a bearing (1-4) and a connecting plate (1-2) for connecting the engine cylinder body mounting plate and the bearing, and a shaft rod of the driving shaft (3) penetrates through the bearing (1-4); the engine cylinder body mounting plate (1-1) is provided with a threaded through hole (1-11), the cross section of the connecting plate (1-2) is I-shaped, and the upper surface of the connecting plate (1-2) is provided with a heat shield threaded mounting hole (1-21);
the heat shield (2) is composed of a heat shield mounting plate (2-1) and a heat shield main body (2-2); the heat shield mounting plate (2-1) is provided with mounting through holes (2-11) corresponding to heat shield thread mounting holes (1-21) on the driving shaft fixing support body (1), and the heat shield mounting plate (2-1) is connected with the driving shaft fixing support body (1) through bolts; the heat shield main body (2-2) is provided with 3 concentric arc surfaces which are arranged in a step shape and have different radiuses, the heat shield main body (2-2) covers the outer side of the bearing (1-4), and the 3 concentric arc surfaces are respectively a shaft rod protection area (2-21), a bearing protection area (2-22) and a driving shaft rubber dust cover protection area (2-23).
2. The drive shaft fixing mount structure according to claim 1, wherein: thickened parts (1-3) are cast at corresponding positions below the threaded mounting holes (1-21) of the two side walls at the upper part of the connecting plate (1-2).
3. The drive shaft fixing mount structure according to claim 1, wherein: the driving shaft fixing support body (1) is made of nodular cast iron.
4. The drive shaft fixing mount structure according to claim 3, wherein: the material of drive shaft fixing support body (1) is QT450 ball-milling cast iron.
5. The drive shaft fixing mount structure according to claim 1, wherein: the heat shield (2) is made of stainless steel.
6. The drive shaft fixing mount structure according to claim 5, wherein: the material of the heat shield (2) is DC01 stainless steel.
7. The drive shaft fixing mount structure according to claim 1, wherein: gaps are reserved between the heat insulation cover main body (2-2) and a shaft lever of the driving shaft (3), between the bearing (1-4) and between the driving shaft and a rubber dust cover of the driving shaft arranged on the driving shaft (3).
8. The drive shaft fixing mount structure according to claim 1, wherein: two heat shield threaded mounting holes (1-21) are formed in the driving shaft fixing support body (1), two mounting through holes (2-11) are formed in the heat shield (2), and the distance between the two heat shield threaded mounting holes (1-21) is equal to the distance between the two mounting through holes (2-11).
9. The drive shaft fixing mount structure according to claim 1, wherein: the driving shaft fixing support body (1) is connected with the heat shield (2) through an elastic cushion bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593390.6U CN209938316U (en) | 2019-04-28 | 2019-04-28 | Drive shaft fixing support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593390.6U CN209938316U (en) | 2019-04-28 | 2019-04-28 | Drive shaft fixing support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938316U true CN209938316U (en) | 2020-01-14 |
Family
ID=69130229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920593390.6U Active CN209938316U (en) | 2019-04-28 | 2019-04-28 | Drive shaft fixing support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938316U (en) |
-
2019
- 2019-04-28 CN CN201920593390.6U patent/CN209938316U/en active Active
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