CN202242982U - Transmission shaft device and middle support structure thereof - Google Patents
Transmission shaft device and middle support structure thereof Download PDFInfo
- Publication number
- CN202242982U CN202242982U CN2011204000623U CN201120400062U CN202242982U CN 202242982 U CN202242982 U CN 202242982U CN 2011204000623 U CN2011204000623 U CN 2011204000623U CN 201120400062 U CN201120400062 U CN 201120400062U CN 202242982 U CN202242982 U CN 202242982U
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- China
- Prior art keywords
- suspension bracket
- contiguous block
- damper element
- propeller shaft
- shaft center
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Abstract
The utility model discloses a transmission shaft device, which comprises a frame support accessory, a transmission shaft and a transmission shaft middle support structure, wherein the transmission shaft is supported on the frame support accessory through the transmission shaft middle support structure; the transmission shaft middle support structure comprises a suspension bracket and a first damping element arranged in the suspension bracket; the transmission shaft is inserted into the first damping element; the transmission shaft middle support structure further comprises a second damping element arranged outside the suspension bracket; and the second damping element is connected with the frame bracket accessory. In the transmission shaft device, damping and vibration absorption are performed on the transmission shaft through the first damping element arranged in the suspension bracket and the second damping element arranged outside the suspension bracket, so that a buffering space between the middle support structure and a frame can be increased effectively, damping and buffering effects are more reliable, running of a vehicle body is more stable, and noise is lower.
Description
Technical field
The utility model relates to vehicle part, particularly a kind of driveline and medial support structures thereof.
Background technology
In automotive field,, generally need to install transmission shaft for transferring power between two parts of certain distance is being arranged.If distance is longer, then often need transmission shaft be divided into plurality of sections, and with propeller shaft center bearing support structure transmission shaft.
Shown in Figure 1 is a kind of propeller shaft center bearing structure of the prior art.As shown in fig. 1, the propeller shaft center bearing structure generally comprises suspension bracket 11, rubber cradle 12 and the bolt 13 that has draw-in groove.Wherein, suspension bracket 11 is installed on the vehicle frame accessory mount 14 through bolt 13; Rubber cradle 12 is located in the draw-in groove of suspension bracket 11 and is folded between vehicle frame accessory mount 14 and the suspension bracket 11.Rubber cradle 12 is used to install transmission shaft 15, and transmission shaft 15 is carried out absorbing, damping.
Above-mentioned propeller shaft center bearing structure is directly captiveed joint with vehicle frame, only through rubber cradle 12 absorbings, damping; Yet, owing to receive factor affecting such as space structure is little, assembling tension, rubber material is too hard, thus still making transmission shaft 15 lack enough bufferings produces shake, also can cause with vehicle frame when serious and resonate.Practical application shows that also the effect that improves absorbing, damping through the planform that changes rubber cradle 12 is not very desirable.In addition, because above-mentioned propeller shaft center bearing structure and transmission shaft 15 all are profiled members, when propeller shaft center bearing structural vibration reduction scarce capacity, be inconvenient to take measures to improve.
Summary of the invention
The utility model then provides a kind of can effectively improve the propeller shaft center bearing structure of vibration damping, vibration absorption ability and the driveline that adopts this propeller shaft center bearing structure.
The utility model provides a kind of propeller shaft center bearing structure, comprises suspension bracket and first damper element that is installed in the said suspension bracket; Said propeller shaft center bearing structure further comprises and is installed on exterior second damper element of said suspension bracket.
As the further improvement of the utility model, said propeller shaft center bearing structure further comprises pressing plate; Said pressing plate is installed on the said suspension bracket, and said first damper element is located between said pressing plate and the said suspension bracket.
As the further improvement of the utility model, said propeller shaft center bearing structure further comprises the contiguous block that is provided with at interval and is located in the attaching parts on the said contiguous block; Said contiguous block is installed in said pressing plate and said suspension bracket on one of them; Said second damper element is between said contiguous block; Said attaching parts passes said contiguous block and said second damper element.
Further improvement as the utility model; The quantity of said contiguous block is four; Two are one group and are divided into into two groups, and said two groups of contiguous blocks are separately positioned on the both sides of said suspension bracket, and said second damper element is between two contiguous blocks of each group contiguous block.
As the further improvement of the utility model, have the mounting hole and distortion groove that are used to install said attaching parts on each contiguous block; Said distortion groove is through the axis of said mounting hole.
As the further improvement of the utility model, said contiguous block is removably mounted on the said pressing plate; Said pressing plate is removably mounted on the said suspension bracket.
As the further improvement of the utility model, said first damper element and said second damper element are rubbery loop.
The utility model provides a kind of driveline that adopts above-mentioned propeller shaft center bearing structure in addition; Comprise vehicle frame bearing annex, transmission shaft and propeller shaft center bearing structure, said transmission shaft through said propeller shaft center bearing support structure on said vehicle frame bearing annex; Said propeller shaft center bearing structure comprises suspension bracket and first damper element that is installed in the said suspension bracket, and said transmission shaft inserts in said first damper element; Said propeller shaft center bearing structure comprises also and is installed on exterior second damper element of said suspension bracket that said second damper element is connected with said vehicle frame bearing annex.
As the further improvement of the utility model, said propeller shaft center bearing structure further comprises pressing plate; Said pressing plate is installed on the said suspension bracket, and said first damper element is located between said pressing plate and the said suspension bracket.
As the further improvement of the utility model, said propeller shaft center bearing structure further comprises the contiguous block that is provided with at interval and is located in the attaching parts on the said contiguous block; Said contiguous block is installed in said pressing plate and said suspension bracket on one of them; Said vehicle frame bearing annex is between said contiguous block; Said attaching parts passes said contiguous block and said vehicle frame bearing annex; Said second damper element is housed in the said vehicle frame bearing annex, said second damper element be set in said attaching parts outer peripheral face and be folded in said attaching parts and said vehicle frame bearing annex between.
Further improvement as the utility model; The quantity of said contiguous block is four; Two are one group and are divided into into two groups, and said two groups of contiguous blocks are separately positioned on the both sides of said suspension bracket, and said vehicle frame bearing annex is between two contiguous blocks of each group contiguous block.
As the further improvement of the utility model, have the mounting hole and distortion groove that are used to install said attaching parts on each contiguous block; Said distortion groove is through the axis of said mounting hole.
As the further improvement of the utility model, said contiguous block is removably mounted on the said pressing plate; Said pressing plate is removably mounted on the said suspension bracket.
As the further improvement of the utility model, said first damper element and said second damper element are rubbery loop.
The beneficial effect of the utility model is: propeller shaft center bearing structure of the utility model and the driveline that adopts this propeller shaft center bearing structure; Through being arranged on first damper element in the suspension bracket and being arranged on exterior second damper element of suspension bracket to transmission shaft damping, absorbing; Compared with prior art, the utility model can effectively increase the cushion space between medial support structures and the vehicle frame, makes damping, buffer action more obvious; The vehicle body operation is more steady, and noise is littler.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; In order more to know the technological means of understanding the utility model; And can implement according to the content of specification sheets, and for let the above-mentioned of the utility model with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the scheme drawing of a kind of propeller shaft center bearing structure of the prior art.
Fig. 2 is the partial schematic sectional view of the driveline among the utility model one embodiment.
Fig. 3 is the lateral plan of Fig. 2.
Fig. 4 is the part sectional view of Fig. 3.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment; To the driveline that proposes according to the utility model and the specific embodiment, structure, characteristic and the effect thereof of medial support structures thereof, specify as after.
Shown in Figure 2 is the part sectional view of the driveline 20 among the utility model one embodiment.As shown in Figure 2, driveline 20 comprises vehicle frame bearing annex 21, transmission shaft 22 and propeller shaft center bearing structure (hereinafter to be referred as medial support structures) 23.Transmission shaft 22 is installed on the vehicle frame bearing annex 21 through medial support structures 23.
Wherein, medial support structures 23 comprises suspension bracket 231, first damper element 232, pressing plate 233, contiguous block 234, attaching parts 235 and second damper element 236.
Particularly, suspension bracket 231 has the roughly draw-in groove 231a of semicircular in shape.Draw-in groove 231a can be used for accommodating first damper element 232.In the present embodiment, suspension bracket 231 comprises the 231b of ear that is arranged on its both sides.Suspension bracket 231 retaining element such as bolt 25 through passing the 231b of its ear etc. removably is fixed on the pressing plate 233.
Attaching parts 235 is fixed on this another contiguous block 234 after passing the contiguous block 234 that is positioned at suspension bracket 231 homonymies, vehicle frame bearing annex 21, another contiguous block 234 successively, thereby two contiguous blocks 234 and vehicle frame bearing annex 21 are therebetween fitted together.In the present embodiment, attaching parts 235 can be bearing pin, and bearing pin passes a contiguous block 234, vehicle frame bearing annex 21, another contiguous block 234 backs of being positioned at suspension bracket 231 homonymies successively and is fixed on another contiguous block 234 places through latch 235a.
In sum; In the utility model through be arranged in the suspension bracket 231 first damper element 232 be arranged on 236 pairs of transmission shaft 22 dampings of suspension bracket 231 exterior second damper elements, absorbing; Directly change propeller shaft center bearing structure of the prior art into indirect the connection with the mode of vehicle frame captive joint; Between suspension bracket 231 and vehicle frame bearing annex 21, set up second damper element 236; Utilize the series connected characteristic of rigidity to increase the ability of device vibration damping, absorbing, the method that also can pass through change rubbery loop structure or material simultaneously obtains to be fit to the cushioning performance of transmission shaft work.Compared with prior art, the utility model can effectively increase the cushion space between medial support structures 23 and the vehicle frame, makes damping, buffer action more obvious, and the vehicle body operation is more steady, and noise is littler.In addition, first damper element 232, second damper element 236 all can be installed through removable mode, thus easy for installation, reach the effect of improving transmission shaft 22 vibrations through changing rubbery loop version or material easily.
In addition, in the above-described embodiments, attaching parts 235 adopts the form of being symmetrically arranged to be arranged on the both sides of suspension bracket 231, can effectively improve the single-piece force-bearing situation.In other embodiments, also can change the single-piece force-bearing situation easily through design attaching parts 235 with transmission shaft 22 axis diff-Hs (arm of force).
In addition, in other embodiments, attaching parts 235 also can be with being designed to its end to be with externally threaded structure and then through being fixed on the contiguous block 234 with nut, thereby save latch 235a.In the foregoing description, second damper element 236 is roughly along the horizontal direction setting, and in other embodiments, second damper element 236 also can be roughly along the vertical direction setting.
In addition, in the foregoing description, contiguous block 234 is arranged on the pressing plate 233; In other embodiments, pressing plate 233 can only cover on the draw-in groove 231a, and two ear 231b both sides of suspension bracket 231 prolong respectively, and contiguous block 234 can be removably mounted on the 231b of ear of suspension bracket 231 through bolt etc.
The above; It only is the preferred embodiment of the utility model; Not being that the utility model is done any pro forma restriction, though the utility model with the preferred embodiment exposure as above, yet is not in order to limit the utility model; Anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be not break away from the utility model technical scheme content in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (14)
1. a propeller shaft center bearing structure comprises suspension bracket and first damper element that is installed in the said suspension bracket; It is characterized in that said propeller shaft center bearing structure further comprises and is installed on exterior second damper element of said suspension bracket.
2. propeller shaft center bearing structure as claimed in claim 1 is characterized in that, said propeller shaft center bearing structure further comprises pressing plate; Said pressing plate is installed on the said suspension bracket, and said first damper element is located between said pressing plate and the said suspension bracket.
3. propeller shaft center bearing structure as claimed in claim 2 is characterized in that, said propeller shaft center bearing structure further comprises the contiguous block that is provided with at interval and is located in the attaching parts on the said contiguous block; Said contiguous block is installed in said pressing plate and said suspension bracket on one of them; Said second damper element is between said contiguous block; Said attaching parts passes said contiguous block and said second damper element.
4. propeller shaft center bearing structure as claimed in claim 3; It is characterized in that; The quantity of said contiguous block is four; Two are one group and are divided into into two groups, and said two groups of contiguous blocks are separately positioned on the both sides of said suspension bracket, and said second damper element is between two contiguous blocks of each group contiguous block.
5. propeller shaft center bearing structure as claimed in claim 3 is characterized in that, has the mounting hole and distortion groove that are used to install said attaching parts on each contiguous block; Said distortion groove is through the axis of said mounting hole.
6. like any one described propeller shaft center bearing structure in the claim 3 to 5, it is characterized in that said contiguous block is removably mounted on the said pressing plate; Said pressing plate is removably mounted on the said suspension bracket.
7. like any one described propeller shaft center bearing structure in the claim 1 to 5, it is characterized in that said first damper element and said second damper element are rubbery loop.
8. a driveline comprises vehicle frame bearing annex, transmission shaft and propeller shaft center bearing structure, said transmission shaft through said propeller shaft center bearing support structure on said vehicle frame bearing annex; Said propeller shaft center bearing structure comprises suspension bracket and first damper element that is installed in the said suspension bracket, and said transmission shaft inserts in said first damper element; It is characterized in that: said propeller shaft center bearing structure comprises also and is installed on exterior second damper element of said suspension bracket that said second damper element is connected with said vehicle frame bearing annex.
9. driveline as claimed in claim 8 is characterized in that, said propeller shaft center bearing structure further comprises pressing plate; Said pressing plate is installed on the said suspension bracket, and said first damper element is located between said pressing plate and the said suspension bracket.
10. driveline as claimed in claim 9 is characterized in that, said propeller shaft center bearing structure further comprises the contiguous block that is provided with at interval and is located in the attaching parts on the said contiguous block; Said contiguous block is installed in said pressing plate and said suspension bracket on one of them; Said vehicle frame bearing annex is between said contiguous block; Said attaching parts passes said contiguous block and said vehicle frame bearing annex; Said second damper element is housed in the said vehicle frame bearing annex, said second damper element be set in said attaching parts outer peripheral face and be folded in said attaching parts and said vehicle frame bearing annex between.
11. driveline as claimed in claim 10; It is characterized in that the quantity of said contiguous block is four, two are one group and are divided into into two groups; Said two groups of contiguous blocks are separately positioned on the both sides of said suspension bracket, and said vehicle frame bearing annex is between two contiguous blocks of each group contiguous block.
12. driveline as claimed in claim 10 is characterized in that, has the mounting hole and distortion groove that are used to install said attaching parts on each contiguous block; Said distortion groove is through the axis of said mounting hole.
13., it is characterized in that said contiguous block is removably mounted on the said pressing plate like any one described driveline in the claim 10 to 12; Said pressing plate is removably mounted on the said suspension bracket.
14., it is characterized in that said first damper element and said second damper element are rubbery loop like any one described driveline in the claim 8 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204000623U CN202242982U (en) | 2011-10-20 | 2011-10-20 | Transmission shaft device and middle support structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204000623U CN202242982U (en) | 2011-10-20 | 2011-10-20 | Transmission shaft device and middle support structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242982U true CN202242982U (en) | 2012-05-30 |
Family
ID=46104271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204000623U Expired - Fee Related CN202242982U (en) | 2011-10-20 | 2011-10-20 | Transmission shaft device and middle support structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756647A (en) * | 2012-07-27 | 2012-10-31 | 徐州重型机械有限公司 | Device for reducing transmission shaft torsional vibration of special vehicle |
-
2011
- 2011-10-20 CN CN2011204000623U patent/CN202242982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756647A (en) * | 2012-07-27 | 2012-10-31 | 徐州重型机械有限公司 | Device for reducing transmission shaft torsional vibration of special vehicle |
| CN102756647B (en) * | 2012-07-27 | 2015-05-13 | 徐州重型机械有限公司 | Device for reducing transmission shaft torsional vibration of special vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |