CN219446732U - Middle supporting component of transmission shaft - Google Patents
Middle supporting component of transmission shaft Download PDFInfo
- Publication number
- CN219446732U CN219446732U CN202321047027.7U CN202321047027U CN219446732U CN 219446732 U CN219446732 U CN 219446732U CN 202321047027 U CN202321047027 U CN 202321047027U CN 219446732 U CN219446732 U CN 219446732U
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- China
- Prior art keywords
- bending
- rubber block
- upper bracket
- limit
- bearing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Support Of The Bearing (AREA)
Abstract
The utility model discloses a transmission shaft middle supporting component which comprises an upper bracket, a bearing and a rubber block, wherein the rubber block is arranged in the upper bracket, and the bearing is arranged in a middle through hole of the rubber block; the bottom surface lid of upper bracket has the lower apron, and the front and back wall of the two outside bending connection boards of outside level bending of the bottom of upper bracket all forms and has the side of upwards extending to bend the limit, and the both ends office shaping of the left and right sides of lower apron has the limit of bending that upwards extends, and the limit of bending hugs closely the outer end of the corresponding bending connection board, and the top shaping of limit of bending has the upper bending portion of inwards bending, and the bottom surface of upper bending portion is pressed and is leaned on the tip top surface of the corresponding bending connection board and is in between two corresponding sides bending limit. The lower cover plate is directly clamped at the bottom of the upper bracket to limit and fix the rubber block, and is connected with the automobile chassis through the bending connecting plate of the upper bracket, and the lower cover plate has the advantages of simple structure, small volume, light weight and low manufacturing cost, and also reduces the weight of the whole automobile.
Description
Technical field:
the utility model relates to the technical field of bearing equipment, in particular to a transmission shaft middle supporting component.
The background technology is as follows:
the drive shaft intermediate support assembly is mounted to the chassis of the vehicle for supporting the drive shaft.
The prior transmission shaft middle support assembly structure is like a transmission shaft middle support assembly with the Chinese patent application number of 201510549737.3, which omits a support structure for ensuring the assembly inclination angle of the transmission shaft, a rotating part with the end face being a spherical surface is arranged on the inner side wall of a fixed support for placing a rubber pad, and a groove in rotating fit with the rotating part is arranged on the rubber pad. In the rotation range limited by the limiting part, the rubber pad can flexibly rotate, so that the requirements of assembly dip angles of transmission shafts of different vehicle types and angle change of the transmission shafts in the driving process are met, the structure of the transmission shaft middle support assembly is simplified, the universality is enhanced, and the working performance of the transmission shaft is optimized.
However, the rubber pad can rotate, and the first lug and the second lug are limited in rotating positions, so that when the positions of the rubber pad are changed continuously, the connection parts of the first lug and the second lug and the rubber pad are broken, and the rubber pad is a part which is easy to damage, so that the service life of the rubber pad is greatly reduced;
the prior art also discloses a traditional transmission shaft middle support assembly, which is characterized in that after a rubber pad is arranged in a fixed bracket, a connecting frame is fixed at the bottom of the transmission shaft middle support assembly, the rubber pad is limited, the transmission shaft middle support assembly is fixed on an automobile chassis through the fixed connecting frame, the volume of the connecting frame is increased, the weight of the whole middle support assembly is increased, and the cost is increased, and the weight of the whole automobile is also increased.
The utility model comprises the following steps:
the utility model aims to overcome the defects in the prior art, and provides a transmission shaft middle support assembly, wherein the bottom of an upper bracket is directly clamped with a lower cover plate to limit and fix rubber blocks, the lower cover plate is connected with an automobile chassis through a bending connecting plate of the upper bracket, and the lower cover plate has the advantages of simple structure, small volume, light weight and low manufacturing cost, and reduces the weight of the whole automobile.
The scheme for solving the technical problems is as follows:
the middle supporting component of the transmission shaft comprises an upper bracket, a bearing and a rubber block, wherein the rubber block is arranged in the upper bracket, and the bearing is arranged in a middle through hole of the rubber block;
the bottom surface lid of upper bracket has the lower apron, and the front and back wall of the two outside bending connection boards of outside level bending of the bottom of upper bracket all forms and has the side of upwards extending to bend the limit, and the both ends office shaping of the left and right sides of lower apron has the limit of bending that upwards extends, and the limit of bending hugs closely the outer end of the corresponding bending connection board, and the top shaping of limit of bending has the upper bending portion of inwards bending, and the bottom surface of upper bending portion is pressed and is leaned on the tip top surface of the corresponding bending connection board and is in between two corresponding sides bending limit.
The front part and the rear part of the middle top surface of the lower cover plate are respectively provided with a side locating plate extending upwards, the bottom surface of the rubber block is pressed against the middle top surface of the lower cover plate, and the lower part of the rubber block is clamped between the two side locating plates.
The upper bracket comprises an upper arc-shaped plate, two ends of the upper arc-shaped plate extend downwards and obliquely to form an inclined plate part, a bending connecting plate which is outwards and horizontally bent is formed at the bottom end of the inclined plate part, and side bending edges which extend upwards and vertically are formed on the front wall surface and the rear wall surface of the upper arc-shaped plate, the inclined plate part and the bending connecting plate.
The top of the upper arc plate and the inner side walls of the left side and the right side are respectively provided with a bending locating piece which is bent inwards, and the bending locating pieces are clamped in corresponding clamping grooves formed in the outer side wall of the upper part of the rubber block.
The annular groove is formed in the inner side wall of the middle through hole of the rubber block, the bearing race is clamped in the annular groove, and the bearing is fixed in the middle of the bearing race.
Annular protruding portions are formed on the front wall surface and the rear wall surface of the periphery of the middle through hole of the rubber block, and extension rings extending outwards in an arc shape are formed on the outer wall surface of the outer end of each annular protruding portion.
The outer end of the middle part of the bearing race is provided with an annular ring which extends outwards, and the middle support retainer ring is inserted and sleeved on the annular ring.
The utility model has the outstanding effects that:
the lower cover plate is directly clamped at the bottom of the upper bracket to limit and fix the rubber block, and is connected with the automobile chassis through the bending connecting plate of the upper bracket, and the lower cover plate has the advantages of simple structure, small volume, light weight and low manufacturing cost, and also reduces the weight of the whole automobile.
The annular protruding parts formed on the front wall surface and the rear wall surface of the rubber block can play a role in guiding when the bearing race is installed, and after the bearing race is installed, the elastic pressure on the front side and the rear side of the annular groove can be increased, so that the clamping and installing effects of the bearing race are improved.
Description of the drawings:
FIG. 1 is a schematic view of a partial construction of the utility model without an intermediate support collar;
fig. 2 is a partial cross-sectional view of the present utility model.
The specific embodiment is as follows:
1-2, a transmission shaft middle support assembly comprises an upper bracket 10, a bearing 20 and a rubber block 30, wherein the rubber block 30 is arranged in the upper bracket 10, and the bearing 20 is arranged in a middle through hole of the rubber block 30;
the upper bracket 10 comprises an upper arc-shaped plate 13, two ends of the upper arc-shaped plate 13 extend downwards and obliquely to form an inclined plate part 14, a bending connecting plate 11 which is bent outwards and horizontally is formed at the bottom end of the inclined plate part 14, and side bending edges 12 which extend upwards and vertically are formed on the front wall surface and the rear wall surface of the upper arc-shaped plate 13, the inclined plate part 14 and the bending connecting plate 11.
The bottom surface of the upper bracket 10 is covered with a lower cover plate 40, the left and right ends of the lower cover plate 40 are partially formed with bending edges 41 extending upwards, the bending edges 41 are clung to the outer ends of the corresponding bending connecting plates 11, the top of the bending edges 41 is formed with an inwards bent upper bending part 42, the bottom surface of the upper bending part 42 is pressed against the top surface of the end part of the corresponding bending connecting plate 11 and is positioned between the two corresponding side bending edges 12, the upper bracket 10 and the lower cover plate 40 are connected, the left and right parts of the lower cover plate 40 are formed with lower through holes, and the lower through holes are aligned up and down and communicated with the upper through holes formed on the bending connecting plates 11.
Further, the front and rear parts of the top surface of the middle part of the lower cover plate 40 are formed with side positioning plates 43 extending upwards, the bottom surface of the rubber block 30 is pressed against the top surface of the middle part of the lower cover plate 40, the lower part of the rubber block 30 is clamped between the two side positioning plates 43, and the inner wall surface of the side positioning plates 43 is pressed against the front wall surface or the rear wall surface of the lower part of the rubber block 30, so as to realize connection.
Further, the top of the upper arc 13 and the inner side walls on the left and right sides are formed with inwardly bent positioning pieces 1, and the bent positioning pieces 1 are clamped in corresponding clamping grooves formed on the outer side walls of the upper portion of the rubber block 30.
Further, an annular groove 31 is formed on the inner side wall of the middle through hole of the rubber block 30, a bearing race 50 is clamped in the annular groove 31, and a bearing 20 is fixed in the middle of the bearing race 50. The bearing race 50 is composed of two races, the outer wall surface of the outer ring of the bearing 20 is pressed against the inner side wall of the ring body portion where the two races are close to each other, annular bending rings extending radially inwards are formed on the outer sides of the ring body portions of the two races, and lubricating grease (lithium-based lubricating grease II is used in the embodiment) is filled between the annular bending rings and the bearing 20.
The inside wall shaping of the middle part through-hole of annular bending circle has outside horizontally extending's annular circle 51, and middle support retaining ring 60 plug bush is on annular circle 51.
Further, a plurality of arc grooves 32 extending from front to back are formed on the front wall surface and the rear wall surface of the rubber block 30, all the arc grooves 32 are uniformly distributed on the rubber block 30 with the middle through hole of the rubber block 30 as the center, and the front arc grooves 32 and the rear arc grooves 32 correspond to each other in front-back but are not communicated with each other, so that the strength of the rubber block 30 is ensured while the rubber block 30 is deformed.
Further, the front wall surface and the rear wall surface around the central through hole of the rubber block 30 are both formed with annular protrusions 33, and the outer wall surface of the outer end of each annular protrusion 33 is formed with an extension ring 34 extending outwards in an arc shape.
In the installation of the embodiment, the bearing 20 and the two races are pressed and fixed by a punch to realize the connection and fixation of the bearing 20 and the bearing race 50, then the bearing race 50 is pressed into the rubber block 30 along the extension ring 34, so that the ring body part of the race of the bearing race 50 is clamped in the annular groove 31, the outer wall surface of the ring body part is pressed against the inner wall surface of the annular groove 31 to realize the connection and fixation, then lubricating grease is filled between the bearing race 50 and the bearing 20, then the rubber block 30 is pressed into the upper bracket 10, then the lower cover plate 40 is fixed into the upper bracket 10 to realize the installation, and then the two middle support check rings 60 are inserted and sleeved on the corresponding annular rings 51 to realize the completion of the assembly.
In this embodiment, the rubber block 30 is formed with a plurality of arc grooves 32, so that after the transmission shaft is fixed on the inner ring of the bearing 20, the transmission shaft can be compressed at the corresponding position of the rubber block 30 as the transmission shaft tilts, so that the corresponding arc grooves 32 deform, the tilt angle is changed, and the use requirement of the transmission shaft is met.
In the embodiment, the lower cover plate 40 is adopted to increase the support and fixation of the rubber block 30, the left part and the right part of the lower cover plate 40 are formed with lower through holes, and the lower through holes are vertically aligned and communicated with the upper through holes formed on the bending connecting plate 11, so that the upper bracket 10 and the lower cover plate 40 can be fixed on the automobile chassis through the corresponding upper through holes and lower through holes by the screw rod parts of bolts (when in installation, the upper bracket 10 is arranged below and the lower cover plate 40 is arranged upside down), the lower cover plate 40 is simple in structure, small in size and light in weight, and the installation is convenient, and the rubber block 30 corresponding to the embodiment is clamped and fixed by the lower cover plate 40, so that the fixing is firm, the looseness is not easy, and the service life is ensured;
the front wall surface and the rear wall surface of the periphery of the middle through hole of the rubber block 30 are both formed with annular protruding portions 33, and the outer wall surface of the outer end of each annular protruding portion 33 is formed with an extending ring 34 extending in the outer radial direction.
Claims (6)
1. The utility model provides a support subassembly in middle of transmission shaft, includes upper bracket (10), bearing (20), rubber piece (30), its characterized in that: a rubber block (30) is arranged in the upper bracket (10), and a bearing (20) is arranged in a middle through hole of the rubber block (30);
the bottom surface lid of upper bracket (10) has lower apron (40), the front and back wall of the two outside bending connection boards (11) of outside level bending of the bottom of upper bracket (10) all forms has side bending limit (12) that upwards extend, the both ends office shaping of the left and right sides of lower apron (40) has bending limit (41) that upwards extend, the outer end of corresponding bending connection board (11) is hugged closely in bending limit (41), the top shaping of bending limit (41) has the upper bending portion (42) of inwards bending, the bottom surface of upper bending portion (42) is pressed and is leaned on the tip top surface of corresponding bending connection board (11) and is in between two corresponding side bending limit (12).
2. A drive shaft intermediate support assembly as claimed in claim 1, wherein: the front part and the rear part of the middle top surface of the lower cover plate (40) are respectively formed with a side locating plate (43) extending upwards, the bottom surface of the rubber block (30) is pressed against the middle top surface of the lower cover plate (40), and the lower part of the rubber block (30) is clamped between the two side locating plates (43).
3. A drive shaft intermediate support assembly as claimed in claim 1, wherein: the upper bracket (10) comprises an upper arc-shaped plate (13), two ends of the upper arc-shaped plate (13) extend downwards and obliquely to form an inclined plate part (14), a bending connecting plate (11) which is outwards and horizontally bent is formed at the bottom end of the inclined plate part (14), and side bending edges (12) which extend upwards and vertically are formed on the front wall surface and the rear wall surface of the upper arc-shaped plate (13), the inclined plate part (14) and the bending connecting plate (11).
4. A drive shaft intermediate support assembly as claimed in claim 3, wherein: the top of the upper arc plate (13) and the inner side walls on the left side and the right side are respectively provided with a bending locating piece (1) which is bent inwards, and the bending locating pieces (1) are clamped in corresponding clamping grooves formed in the outer side wall of the upper part of the rubber block (30).
5. A drive shaft intermediate support assembly as claimed in claim 1, wherein: an annular groove (31) is formed in the inner side wall of the middle through hole of the rubber block (30), a bearing race (50) is clamped in the annular groove (31), and a bearing (20) is fixed in the middle of the bearing race (50).
6. A drive shaft intermediate support assembly as claimed in claim 1, wherein: annular protruding portions (33) are formed on the front wall surface and the rear wall surface of the periphery of the middle through hole of the rubber block (30), and extension rings (34) extending outwards in an arc shape are formed on the outer wall surface of the outer end of each annular protruding portion (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047027.7U CN219446732U (en) | 2023-05-05 | 2023-05-05 | Middle supporting component of transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047027.7U CN219446732U (en) | 2023-05-05 | 2023-05-05 | Middle supporting component of transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219446732U true CN219446732U (en) | 2023-08-01 |
Family
ID=87384803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047027.7U Active CN219446732U (en) | 2023-05-05 | 2023-05-05 | Middle supporting component of transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219446732U (en) |
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2023
- 2023-05-05 CN CN202321047027.7U patent/CN219446732U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |