CN212985881U - Anti-torsion torsional vibration absorber - Google Patents
Anti-torsion torsional vibration absorber Download PDFInfo
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- CN212985881U CN212985881U CN202021346307.4U CN202021346307U CN212985881U CN 212985881 U CN212985881 U CN 212985881U CN 202021346307 U CN202021346307 U CN 202021346307U CN 212985881 U CN212985881 U CN 212985881U
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Abstract
The utility model discloses a prevent turning power bump leveller, include: the quality piece, fix respectively at the first rubber damping piece and the second rubber damping piece and the installing support at quality piece both ends, wherein: the mounting bracket is provided with a first connecting sheet and a second connecting sheet, and the first connecting sheet and the second connecting sheet are both provided with through holes and bayonets; a thin neck part is arranged between the two ends of the first rubber damping block and the second rubber damping block, and a plurality of bosses which are circumferentially distributed are arranged on the thin neck part; the thin neck part of the first rubber damping block is positioned in the through hole of the first connecting sheet, and the bosses on the first rubber damping block are correspondingly clamped into the clamping openings on the first connecting sheet one by one; the thin neck part of the second rubber damping block is positioned in the through hole of the second connecting sheet, and the bosses on the second rubber damping block are correspondingly clamped into the clamping openings on the second connecting sheet one by one. The utility model discloses have good antitorque commentaries on classics shape effect of preapring for an unfavorable turn of events to make durability and functionality improve greatly.
Description
Technical Field
The utility model relates to the technical field of auto-parts, especially, relate to a prevent turning round torsional force bump leveller.
Background
The dynamic vibration absorber has been taken as an indispensable important part in the NVH of the automobile, and is generally taken as a key part in a remedy for solving noise and vibration before the automobile is on the market. When the rubber damping system of the dynamic vibration absorber works, the mass can often generate vibration in the torsional direction while the dynamic vibration absorber works, and when the dynamic vibration absorber works, torsional force and vibration are generated, and the durability of the dynamic vibration absorber can be greatly shortened.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides an anti-torque power vibration absorber.
The utility model provides a prevent turning power bump leveller, include: the quality piece, fix respectively at the first rubber damping piece and the second rubber damping piece and the installing support at quality piece both ends, wherein:
the mounting bracket is provided with mounting holes in a row, the mounting bracket is provided with a first connecting sheet and a second connecting sheet, and the first connecting sheet and the second connecting sheet are both provided with through holes and a plurality of bayonets which are sunken from the inner walls of the through holes to the outer sides of the through holes and are circumferentially distributed around the through holes;
a thin neck part is arranged between the two ends of the first rubber damping block and the second rubber damping block, and a plurality of bosses which are circumferentially distributed are arranged on the thin neck part; the thin neck part of the first rubber damping block is positioned in the through hole of the first connecting sheet, and the bosses on the first rubber damping block are correspondingly clamped into the clamping openings on the first connecting sheet one by one; the thin neck part of the second rubber damping block is positioned in the through hole of the second connecting sheet, and the bosses on the second rubber damping block are correspondingly clamped into the clamping openings on the second connecting sheet one by one.
Preferably, the first connecting piece is provided with a flange at the edge of the through hole, the flange is positioned between two adjacent bayonets, the end part of the flange abuts against one end of the thin neck part in the first rubber damping block, and the side edges of the two sides of the flange abut against two adjacent bosses respectively.
Preferably, the flange on the first connecting piece is positioned on one side of the first connecting piece close to the second connecting piece.
Preferably, the second connecting piece and the edge of the through hole of the second connecting piece are provided with flanges, the flanges are located between two adjacent bayonets, the end of each flange abuts against one end of the thin neck in the second rubber damping block, and the side edges of the two sides of each flange abut against two adjacent bosses respectively.
Preferably, the flange of the second connecting sheet is positioned on one side of the second connecting sheet close to the first connecting sheet.
Preferably, the first rubber damping block and the second rubber damping block are respectively fixed with the mass block through pins.
Preferably, the first rubber damping block and the second rubber damping block are both provided with a stepped hole extending from one end far away from the mass block to one end close to the mass block; a check ring is arranged between the two ends of the pin; one end of the pin penetrates through the step hole and extends into the mass block, and the retainer ring of the pin is abutted against the step surface of the step hole.
Preferably, the pin is a clearance fit with the stepped bore.
Preferably, two ends of the mass block are respectively provided with a connecting hole; the stepped hole is coaxial with the connecting hole, and one end of the pin penetrates through the stepped hole and extends into the connecting hole.
Preferably, the inner wall of the connecting hole is knurled; the pin is in interference fit with the connecting hole.
Preferably, the mass block is a cylindrical structure; the pin is coaxial with the mass.
Preferably, the through holes on the first connecting sheet and the second connecting sheet are coincident with the axis of the mass block.
Preferably, an annular groove is arranged between two ends of each of the first rubber damping block and the second rubber damping block so as to form a thin neck part at the position of the annular groove.
The utility model discloses in, set up through the connected mode to installing support and first rubber damping piece and second rubber damping piece to play and prevent twising reverse the shape effect of preapring for an unfavorable turn of events, make durability and functionality improve greatly.
Drawings
Fig. 1 is a schematic structural view of a torsional force proof vibration absorber provided by the utility model;
fig. 2 is a schematic structural view of the through hole in an anti-torsional force vibration absorber according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a first cross-sectional view of the anti-torsional vibration absorber of the present invention;
fig. 5 is a second cross-sectional view of the anti-torsional force vibration absorber of the utility model;
fig. 6 is an isometric view of an anti-torsion torsional vibration absorber according to the present invention.
Detailed Description
The technical solution of the present invention will be described in detail by the following embodiments.
As shown in fig. 1-6, fig. 1 is a schematic structural view of a torsional vibration damper according to the present invention; fig. 2 is a schematic structural view of the through hole in an anti-torsional force vibration absorber according to the present invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1; fig. 4 is a first cross-sectional view of the anti-torsional vibration absorber of the present invention; fig. 5 is a second cross-sectional view of the anti-torsional force vibration absorber of the utility model; fig. 6 is an isometric view of an anti-torsion torsional vibration absorber according to the present invention.
Referring to fig. 1-6, the present invention provides an anti-torsion torsional vibration absorber, comprising: quality piece 1, fix respectively at 1 both ends of quality piece first rubber damping piece 2 and second rubber damping piece 3 and installing support 4, wherein: the mounting bracket 4 is provided with mounting holes in a row, the mounting bracket 4 is provided with a first connecting sheet 41 and a second connecting sheet 42, and the first connecting sheet 41 and the second connecting sheet 42 are provided with a through hole a and a plurality of bayonets b which are sunken from the inner wall of the through hole a to the outer side of the through hole a and are circumferentially distributed around the through hole a.
A thin neck part is arranged between the two ends of the first rubber damping block 2 and the second rubber damping block 3, and a plurality of bosses 5 which are circumferentially distributed are arranged on the thin neck part; the thin neck part of the first rubber damping block 2 is positioned in the through hole a of the first connecting piece 41, and the bosses 5 on the first rubber damping block 2 are correspondingly clamped into the bayonets b on the first connecting piece 41; the thin neck of second rubber damping piece 3 is located the through-hole an of second connection piece 42, and each bayonet socket b on the second connection piece 42 is gone into to the card of each boss 5 one-to-one on the second rubber damping piece 3 to ensure that first rubber damping piece 2 and second rubber damping piece 3 can't 4 circumferential direction of installing support relatively, thereby play and prevent the effect of preapring for an unfavorable turn of events, and make durability and functional improve greatly.
The utility model discloses a theory of operation is: two mounting holes of mounting bracket 4
Through bolt and whole car connection, when the car starts a certain speed of a motor vehicle of traveling, through the shake and the excitation of engine, the automobile body takes place the vibration, the vibration of automobile body is through first rubber damping piece 2 of installing support 4 transmission and second rubber damping piece 3, through the rubber damping system, the vibration of automobile body can be passed to on the quality piece 1 rapidly, absorb the vibrational force by quality piece 1 and make the automobile body not vibrate, thereby personnel's on the car comfort level of taking is promoted, the driver can avoid because the vibration causes the health discomfort, thereby eliminate the tired mood that the vibration produced. And because the utility model discloses well installing support 4 and first rubber damping piece 2 and the special connected mode of second rubber damping piece 3 for it has good antitorque commentaries on classics shape effect of preapring for an unfavorable turn of events, and then makes durability and functional improve greatly.
In addition, in the present embodiment, the first connecting piece 41 and the second connecting piece 42 are respectively provided with the turned-over edge 6 at the edge of the through hole a, and the turned-over edge 6 on the first connecting piece 41 is located at the side of the first connecting piece 41 close to the second connecting piece 42, and the turned-over edge 6 on the second connecting piece 42 is located at the side of the second connecting piece 42 close to the first connecting piece 41. The flanging 6 on the first connecting piece 41 and the flanging 6 on the second connecting piece 42 are respectively positioned between two adjacent bayonets b, the end parts of the flanging 6 are respectively abutted against the end parts of the corresponding thin neck parts close to one end of the mass block 1, and the side edges of the two sides of the flanging 6 are respectively abutted against two adjacent bosses 5. The arrangement of the flanging 6 effectively ensures the temperature property of the thin neck part in the through hole a, so that the anti-torsion anti-deformation effect of the vibration absorber is greatly improved.
In addition, the development process of the integral vulcanization molding of the rubber and the framework is complex, the difficulty is high, the development time is long, the framework needs to be coated with the adhesive, the cost of the adhesive is high, and the adhesive can generate harmful substances in the coating process and influence the physical and psychological health of an operator. Therefore, the first rubber damping block 2 and the second rubber damping block 3 in the embodiment are respectively fixed with the mass block 1 through the pins 7, and the connection mode is low in development difficulty, low in cost and short in development time.
In this embodiment, the first rubber damping block 2 and the second rubber damping block 3 are both provided with a stepped hole extending from one end far away from the mass block 1 to one end close to the mass block 1; a check ring is arranged between the two ends of the pin 7; one end of the pin 7 penetrates through the step hole and extends into the mass block 1, and the retainer ring of the pin abuts against the step surface of the step hole. The structure can effectively ensure the reliability of the assembly of the mounting bracket 4, the first rubber damping block 2 and the second rubber damping block 3.
In the embodiment, two ends of the mass block 1 are respectively provided with a connecting hole, and the inner wall of the connecting hole is subjected to knurling treatment; the step hole is coaxial with the connecting hole, one end of the pin 7 penetrates through the step hole to extend into the connecting hole and is in interference fit with the connecting hole, and the pin 7 is in clearance fit with the step hole. The connection mode is convenient to install, low in processing cost and beneficial to vibration reduction.
In this embodiment, the mass block 1 has a cylindrical structure; the pin 7 is coaxial with the mass 1. The through holes a on the first connecting sheet 41 and the second connecting sheet 42 are coincident with the axial line of the mass block 1.
In this embodiment, an annular groove is formed between both ends of the first rubber damping block 2 and the second rubber damping block 3 to form a thin neck portion at the annular groove.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. An anti-torque torsional vibration absorber comprising: quality piece (1), fix respectively first rubber damping piece (2) and second rubber damping piece (3) and installing support (4) at quality piece (1) both ends, wherein:
the mounting bracket (4) is provided with mounting holes, the mounting bracket (4) is provided with a first connecting sheet (41) and a second connecting sheet (42), and the first connecting sheet (41) and the second connecting sheet (42) are respectively provided with a through hole (a) and a plurality of bayonets (b) which are sunken from the inner wall of the through hole (a) to the outer side of the through hole (a) and are circumferentially distributed around the through hole (a);
a thin neck part is arranged between the two ends of the first rubber damping block (2) and the second rubber damping block (3), and a plurality of bosses (5) which are circumferentially distributed are arranged on the thin neck part; the thin neck part of the first rubber damping block (2) is positioned in the through hole (a) of the first connecting piece (41), and the bosses (5) on the first rubber damping block (2) are correspondingly clamped into the bayonets (b) on the first connecting piece (41); the thin neck part of the second rubber damping block (3) is positioned in the through hole (a) of the second connecting sheet (42), and the bosses (5) on the second rubber damping block (3) are correspondingly clamped into the bayonets (b) on the second connecting sheet (42).
2. The anti-torque force vibration absorber according to claim 1, wherein the first connecting piece (41) is provided with a flanging (6) at the edge of the through hole (a), the flanging (6) is positioned between two adjacent bayonets (b), the end of the flanging (6) abuts against one end of the thin neck part in the first rubber damping block (2), and the side edges of the two sides of the flanging (6) abut against two adjacent bosses (5) respectively.
3. The anti-torque force vibration absorber according to claim 2, wherein the burring (6) of the first connecting piece (41) is located on the side of the first connecting piece (41) adjacent to the second connecting piece (42).
4. The anti-torque force vibration absorber according to claim 1, wherein the second connecting piece (42) is provided with a flange (6) at the edge of the through hole (a), the flange (6) is located between two adjacent bayonets (b), the end of the flange (6) abuts against one end of the thin neck part in the second rubber damping block (3), and the side edges of the two sides of the flange abut against two adjacent bosses (5).
5. The anti-torque force vibration absorber according to claim 4, wherein the burring (6) on the second connecting piece (42) is located on the side of the second connecting piece (42) adjacent to the first connecting piece (41).
6. The anti-torque force vibration absorber according to claim 1 wherein the first rubber damping mass (2) and the second rubber damping mass (3) are each fixed to the mass (1) by means of a pin (7).
7. The anti-torque force vibration absorber according to claim 6 wherein the first rubber damping mass (2) and the second rubber damping mass (3) are each provided with a stepped hole extending from an end remote from the mass (1) to an end close to the mass (1); a check ring is arranged between the two ends of the pin (7); one end of the pin (7) penetrates through the step hole and extends into the mass block (1), and the retainer ring of the pin abuts against the step surface of the step hole; the pin (7) is in clearance fit with the step hole; two ends of the mass block (1) are respectively provided with a connecting hole; the stepped hole is coaxial with the connecting hole, and one end of the pin (7) penetrates through the stepped hole and extends into the connecting hole; the inner wall of the connecting hole is subjected to knurling treatment; the pin (7) is in interference fit with the connecting hole.
8. Anti-torque force vibration absorber according to claim 1, characterized in that the mass (1) is of cylindrical construction; the pin (7) is coaxial with the mass block (1).
9. The anti-torque force vibration absorber according to claim 8 wherein the through holes (a) of the first connecting piece (41) and the second connecting piece (42) coincide with the axis of the mass (1).
10. The anti-torque force vibration absorber according to any one of claims 1-9 wherein an annular groove is provided between both ends of the first rubber damping mass (2) and the second rubber damping mass (3) to form a thin neck at the location of the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021346307.4U CN212985881U (en) | 2020-07-09 | 2020-07-09 | Anti-torsion torsional vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021346307.4U CN212985881U (en) | 2020-07-09 | 2020-07-09 | Anti-torsion torsional vibration absorber |
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| Publication Number | Publication Date |
|---|---|
| CN212985881U true CN212985881U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021346307.4U Active CN212985881U (en) | 2020-07-09 | 2020-07-09 | Anti-torsion torsional vibration absorber |
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| CN (1) | CN212985881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795097A (en) * | 2020-07-09 | 2020-10-20 | 威固技术（安徽）有限公司 | Anti-torsion torsional vibration absorber |
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2020
- 2020-07-09 CN CN202021346307.4U patent/CN212985881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795097A (en) * | 2020-07-09 | 2020-10-20 | 威固技术（安徽）有限公司 | Anti-torsion torsional vibration absorber |
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