CN203752900U - Integrated compressing type medium support assembly of transmission shaft - Google Patents
Integrated compressing type medium support assembly of transmission shaft Download PDFInfo
- Publication number
- CN203752900U CN203752900U CN201420039312.9U CN201420039312U CN203752900U CN 203752900 U CN203752900 U CN 203752900U CN 201420039312 U CN201420039312 U CN 201420039312U CN 203752900 U CN203752900 U CN 203752900U
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- CN
- China
- Prior art keywords
- rubber
- shaped
- cover plate
- bracket
- blade type
- 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.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 23
- 230000035939 shock Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000005987 sulfurization reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000004073 vulcanization Methods 0.000 abstract 2
- 230000009191 jumping Effects 0.000 description 7
- 206010016256 fatigue Diseases 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model provides an integrated compressing type medium support assembly of a transmission shaft. The support assembly comprises a U-shaped bracket, blade type shock-reducing rubber and a bearing block, wherein the bottom part of the blade type shock-reducing rubber is integrated with a U-shaped surface of the bottom part of the U-shaped bracket by vulcanization; the middle part of the blade type shock-reducing rubber is integrated with the outer circumferential surface of the bearing block by vulcanization. The support assembly further comprises a cover plate of which the middle part is matched with the top part of the blade type shock-reducing rubber by a compressing manner; two ends of the cover plate are fixedly connected with the top part of the U-shaped bracket through fixing bolts. According to the design, the integrated compressing type medium support assembly of the transmission shaft is high in reliability and long in service life; in addition, the structure is integrated designed, so that the mechanical strength is high, and the convenience is provided for mounting.
Description
Technical field
The utility model relates to a kind of vapour Automobile Drive Shaft center support assembly, relates in particular to one compression transmission shaft center support assembly, be specifically applicable to simplify supporting structure, optimize rubber stressed, increase the service life.
Background technology
Driving-shaft assembly, as total member of transferring power, is connected between change speed gear box and drive axle failure-free transferring power.In the time that car load wheelbase is long, when change speed gear box and drive axle spacing are far away, need two or two above transmission shafts, being at this moment connected part at two transmission shafts just must increase intermediate support structure.
Chinese patent Granted publication number is CN201890143 U, Granted publication day is that the utility model patent on July 6th, 2011 discloses a kind of transmission shaft center support, this center support comprises supporting base and is arranged on the cushion rubber in this supporting base, on two sidewalls of described supporting base, be respectively arranged with two the first bolts hole, wherein, a bolt hole in described two the first bolts hole is slotted hole.Deviating from although this utility model can effectively prevent bearing seat, still there is following defect in it:
1, between the spacing dividing plate of the cushion rubber of this utility model and its upper end, there is gap, in the time that vehicle is in upper jumping operating mode, the protrusion of cushion rubber lower end is in extended state, and rubber is because fatigue failure easily occurs in stretching repeatedly, has reduced the reliability of the protrusion of cushion rubber lower end.
2, the transition connecting portion of this utility model is more, and more perforation can reduce the mechanical strength of supporting base, and this design elements number is many, and installation step is more complicated, productive costs is high.
Summary of the invention
The purpose of this utility model is to overcome the problem that rubber fatiguability lost efficacy, number of parts is many existing in prior art, and the one compression transmission shaft center support that a kind of rubber reliability is high, number of parts is few assembly is provided.
For realizing above object, technical solution of the present utility model is:
One compression transmission shaft center support assembly, comprise U-shaped bracket, fan blade type yielding rubber and bearing seat, U-shaped the sulfuration in the bottom of described fan blade type yielding rubber and the bottom of U-shaped bracket is integrated, and the middle part of fan blade type yielding rubber and the sulfuration of bearing seat outer circumference surface are integrated;
Described support assembly also comprises cover plate, the top force fit of the middle part of described cover plate and fan blade type yielding rubber, and the two ends of cover plate are fixedly connected with the top of U-shaped bracket by bolt of rear end plate.
Described fan blade type yielding rubber comprises ring-shaped rubber, upper support rubber and two lower support rubber, the bottom of described upper support rubber is fixedly connected with the top of ring-shaped rubber, the sidepiece of ring-shaped rubber is fixedly connected with the two ends of protecting against shock rubber by two lower support rubber respectively, the top of protecting against shock rubber coordinates with the bottom of ring-shaped rubber is spacing, the inner peripheral surface of ring-shaped rubber and the sulfuration of the outer circumference surface of bearing seat are integrated, and the bottom of described protecting against shock rubber and two lower support rubber is all fixedly connected with the U-shaped face in bottom of U-shaped bracket.
Described U-shaped bracket comprises the installation portion that bracket part and two ends thereof arrange, and the lower end end face of described bracket part is U-shaped of bottom, and the top of described installation portion is provided with bracket waist-shaped hole; Described cover plate two ends are provided with cover plate waist-shaped hole, and cover plate waist-shaped hole is vertical with bracket waist-shaped hole to be arranged, and described bolt of rear end plate passes after bracket waist-shaped hole, cover plate waist-shaped hole, vehicle frame and hold-doun nut screw thread fit successively.
The both sides of described cover plate are provided with lower flange, the spacing cooperation of top of described twice flange and upper support rubber.
Compared with prior art, the beneficial effects of the utility model are:
1, the middle part of cover plate and the top force fit of fan blade type yielding rubber in the utility model one compression transmission shaft center support assembly, in the time that cover plate is unassembled, the end face of fan blade type yielding rubber is higher than the end face of U-shaped bracket, after being installed, cover plate compresses fan blade type yielding rubber, make fan blade type yielding rubber in when work in impaction state, at this moment no matter vehicle is in upper jumping or lower jumping operating mode, upper support rubber and lower support rubber all can be in compressive states, rubber repeatedly can not stretch, actv. has improved the fatigue property of rubber, improve the reliability of fan blade type yielding rubber, extend the service life of transmission shaft center support assembly.And documents is after assembling, there is gap in the top of cushion rubber and the baffle plate directly over it, and in the time that vehicle is in upper jumping operating mode, two protrusions of cushion rubber bottom will be in extended state, makes protrusion that fatigue failure easily occur, and reduces the reliability of cushion rubber.Therefore, high, the long service life of the design's fan blade type yielding rubber reliability.
2, U-shaped bracket, blade profile yielding rubber and the bearing seat three in the utility model one compression transmission shaft center support assembly is structure as a whole, when installation, only need to use bolt of rear end plate by U-shaped bracket, cover plate and Frame Assembling to together with, such design has reduced the quantity of connecting bore on U-shaped bracket, has improved its mechanical strength, has strengthened its connection reliability; Simultaneously the design's number of parts few, be convenient to install, effectively reduce mfg. moulding die cost and cost of labor be installed.Therefore, the design's mechanical strength is high, connection reliability good, productive costs is low.
3, the bottom of the fan blade type yielding rubber in the utility model one compression transmission shaft center support assembly is provided with protecting against shock rubber, in the time that vehicle is in larger lower jumping operating mode, protecting against shock rubber has limited the lower skip displacement of transmission shaft, has ensured the smooth operation of transmission shaft system.Therefore, the design effectively limits lower skip displacement, system stability is high.
4, arrange vertical with bracket waist-shaped hole of cover plate waist-shaped hole in the utility model one compression transmission shaft center support assembly, reserve buffering capacity for installing, make the front and back position of center support in installation process adjustable, effectively avoid fan blade type yielding rubber torsional deflection, ensure that it normally works.Therefore, the design is easy to regulate, easy for installation.
Brief description of the drawings
Fig. 1 is the design's structural representation.
Fig. 2 is view when fan blade type yielding rubber is not installed in Fig. 1.
Fig. 3 is the structural representation of fan blade type yielding rubber in Fig. 1.
Fig. 4 is the structural representation of U-shaped bracket in Fig. 1.
Fig. 5 is the structural representation of Fig. 1 cover plate.
In figure: U-shaped bracket 1, bracket part 11, installation portion 12, bracket waist-shaped hole 13, U-shaped 14 of bottom, fan blade type yielding rubber 2, ring-shaped rubber 21, upper support rubber 22, lower support rubber 23, protecting against shock rubber 24, bearing seat 3, cover plate 4, bolt of rear end plate 41, cover plate waist-shaped hole 42, hold-doun nut 43, lower flange 44, vehicle frame 5.
Detailed description of the invention
Below in conjunction with brief description of the drawings and detailed description of the invention, the utility model is described in further detail.
Referring to figure 1 – Fig. 5, one compression transmission shaft center support assembly, comprise U-shaped bracket 1, fan blade type yielding rubber 2 and bearing seat 3, U-shaped 14 of the bottom sulfuration of the bottom of described fan blade type yielding rubber 2 and U-shaped bracket 1 is integrated, and the middle part of fan blade type yielding rubber 2 and bearing seat 3 outer circumference surface sulfurations are integrated;
Described support assembly also comprises cover plate 4, the top force fit of the middle part of described cover plate 4 and fan blade type yielding rubber 2, and the two ends of cover plate 4 are fixedly connected with the top of U-shaped bracket 1 by bolt of rear end plate 41.
Described fan blade type yielding rubber 2 comprises ring-shaped rubber 21, upper support rubber 22 and two lower support rubber 23, the bottom of described upper support rubber 22 is fixedly connected with the top of ring-shaped rubber 21, the sidepiece of ring-shaped rubber 21 is fixedly connected with the two ends of protecting against shock rubber 24 by two lower support rubber 23 respectively, the spacing cooperation of bottom of the top of protecting against shock rubber 24 and ring-shaped rubber 21, the outer circumference surface sulfuration of the inner peripheral surface of ring-shaped rubber 21 and bearing seat 3 is integrated, the bottom of described protecting against shock rubber 24 and two lower support rubber 23 is all fixedly connected with U-shaped 14 of the bottom of U-shaped bracket 1.
Described U-shaped bracket 1 comprises the installation portion 12 that bracket part 11 and two ends thereof arrange, and the lower end end face of described bracket part 11 is U-shaped 14 of bottom, and the top of described installation portion 12 is provided with bracket waist-shaped hole 13; Described cover plate 4 two ends are provided with cover plate waist-shaped hole 42, cover plate waist-shaped hole 42 setting vertical with bracket waist-shaped hole 13, and described bolt of rear end plate 41 passes bracket waist-shaped hole 13, cover plate waist-shaped hole 42, vehicle frame 5 afterwards and hold-doun nut 43 screws thread fit successively.
The both sides of described cover plate 4 are provided with lower flange 44, the spacing cooperation of top of described twice flange 44 and upper support rubber 22.
Principle of the present utility model is described as follows:
Referring to Fig. 2, bearing seat 3 is integrated by fan blade type yielding rubber 2 and U-shaped bracket 1 sulfuration, U-shaped bracket 1, fan blade type yielding rubber 2 and bearing seat 3 threes are structure as a whole, in the time that cover plate 4 is not installed, the end face of fan blade type yielding rubber 2, higher than the end face of U-shaped bracket 1, is being installed after cover plate 4, and cover plate 4 presses down fan blade type yielding rubber 2, this is that the end face of fan blade type yielding rubber 2 and the end face of U-shaped bracket 1 are contour, and fan blade type yielding rubber 2 is in impaction state.The fan blade type yielding rubber 2 of impaction state no matter upper jumping still the lower operating mode of jumping all in compressive state, prevent that rubber from because repeatedly stretching, fatigue failure occurring,, improved the reliability of center support assembly.
Embodiment 1:
Referring to figure 1 – Fig. 5, one compression transmission shaft center support assembly, comprise U-shaped bracket 1, fan blade type yielding rubber 2 and bearing seat 3, U-shaped 14 of the bottom sulfuration of the bottom of described fan blade type yielding rubber 2 and U-shaped bracket 1 is integrated, the middle part of fan blade type yielding rubber 2 and bearing seat 3 outer circumference surface sulfurations are integrated, described support assembly also comprises cover plate 4, the top force fit of the middle part of described cover plate 4 and fan blade type yielding rubber 2, the two ends of cover plate 4 are fixedly connected with the top of U-shaped bracket 1 by bolt of rear end plate 41, the both sides of described cover plate 4 are provided with lower flange 44, the spacing cooperation of top of described twice flange 44 and upper support rubber 22, described fan blade type yielding rubber 2 comprises ring-shaped rubber 21, upper support rubber 22 and two lower support rubber 23, the bottom of described upper support rubber 22 is fixedly connected with the top of ring-shaped rubber 21, the sidepiece of ring-shaped rubber 21 is fixedly connected with the two ends of protecting against shock rubber 24 by two lower support rubber 23 respectively, the spacing cooperation of bottom of the top of protecting against shock rubber 24 and ring-shaped rubber 21, the outer circumference surface sulfuration of the inner peripheral surface of ring-shaped rubber 21 and bearing seat 3 is integrated, the bottom of described protecting against shock rubber 24 and two lower support rubber 23 is all fixedly connected with U-shaped 14 of the bottom of U-shaped bracket 1, described U-shaped bracket 1 comprises the installation portion 12 that bracket part 11 and two ends thereof arrange, and the lower end end face of described bracket part 11 is U-shaped 14 of bottom, and the top of described installation portion 12 is provided with bracket waist-shaped hole 13, described cover plate 4 two ends are provided with cover plate waist-shaped hole 42, cover plate waist-shaped hole 42 setting vertical with bracket waist-shaped hole 13, and described bolt of rear end plate 41 passes bracket waist-shaped hole 13, cover plate waist-shaped hole 42, vehicle frame 5 afterwards and hold-doun nut 43 screws thread fit successively.
Claims (4)
1. one compression transmission shaft center support assembly, comprise U-shaped bracket (1), fan blade type yielding rubber (2) and bearing seat (3), U-shaped of bottom (14) sulfuration of the bottom of described fan blade type yielding rubber (2) and U-shaped bracket (1) is integrated, the middle part of fan blade type yielding rubber (2) and the sulfuration of bearing seat (3) outer circumference surface are integrated, and it is characterized in that:
Described support assembly also comprises cover plate (4), the top force fit of the middle part of described cover plate (4) and fan blade type yielding rubber (2), and the two ends of cover plate (4) are fixedly connected with the top of U-shaped bracket (1) by bolt of rear end plate (41).
2. one compression transmission shaft center support assembly according to claim 1, is characterized in that:
Described fan blade type yielding rubber (2) comprises ring-shaped rubber (21), upper support rubber (22) and two lower support rubber (23), the bottom of described upper support rubber (22) is fixedly connected with the top of ring-shaped rubber (21), the sidepiece of ring-shaped rubber (21) is fixedly connected with the two ends of protecting against shock rubber (24) by two lower support rubber (23) respectively, the spacing cooperation of bottom of the top of protecting against shock rubber (24) and ring-shaped rubber (21), the outer circumference surface sulfuration of the inner peripheral surface of ring-shaped rubber (21) and bearing seat (3) is integrated, the bottom of described protecting against shock rubber (24) and two lower support rubber (23) is all fixedly connected with the bottom U-shaped (14) of U-shaped bracket (1).
3. one compression transmission shaft center support assembly according to claim 1 and 2, is characterized in that:
Described U-shaped bracket (1) comprises the installation portion (12) that bracket part (11) and two ends thereof arrange, and the lower end end face of described bracket part (11) is U-shaped of bottom (14), and the top of described installation portion (12) is provided with bracket waist-shaped hole (13); Described cover plate (4) two ends are provided with cover plate waist-shaped hole (42), cover plate waist-shaped hole (42) setting vertical with bracket waist-shaped hole (13), described bolt of rear end plate (41) passes bracket waist-shaped hole (13), cover plate waist-shaped hole (42), vehicle frame (5) afterwards and hold-doun nut (43) screw thread fit successively.
4. one compression transmission shaft center support assembly according to claim 1 and 2, is characterized in that:
The both sides of described cover plate (4) are provided with lower flange (44), the spacing cooperation of top of described twice flange (44) and upper support rubber (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039312.9U CN203752900U (en) | 2014-01-22 | 2014-01-22 | Integrated compressing type medium support assembly of transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420039312.9U CN203752900U (en) | 2014-01-22 | 2014-01-22 | Integrated compressing type medium support assembly of transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752900U true CN203752900U (en) | 2014-08-06 |
Family
ID=51248205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420039312.9U Expired - Lifetime CN203752900U (en) | 2014-01-22 | 2014-01-22 | Integrated compressing type medium support assembly of transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774511A (en) * | 2016-01-21 | 2016-07-20 | 重庆长安汽车股份有限公司 | Rubber bushing type engine suspension |
| CN113733903A (en) * | 2021-10-18 | 2021-12-03 | 一汽解放汽车有限公司 | Intermediate support assembly and vehicle |
-
2014
- 2014-01-22 CN CN201420039312.9U patent/CN203752900U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774511A (en) * | 2016-01-21 | 2016-07-20 | 重庆长安汽车股份有限公司 | Rubber bushing type engine suspension |
| CN113733903A (en) * | 2021-10-18 | 2021-12-03 | 一汽解放汽车有限公司 | Intermediate support assembly and vehicle |
| CN113733903B (en) * | 2021-10-18 | 2023-11-07 | 一汽解放汽车有限公司 | Intermediate support assembly and vehicle |
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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: 20140806 |