CN211517331U - Differential mechanism half shaft oil seal dismounting device of automobile transmission - Google Patents
Differential mechanism half shaft oil seal dismounting device of automobile transmission Download PDFInfo
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- CN211517331U CN211517331U CN201922088839.6U CN201922088839U CN211517331U CN 211517331 U CN211517331 U CN 211517331U CN 201922088839 U CN201922088839 U CN 201922088839U CN 211517331 U CN211517331 U CN 211517331U
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- jack catch
- semicircle jack
- pull rod
- transition
- oil seal
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Abstract
The utility model provides a differential mechanism semi-axis oil blanket dismounting device of motor transmission, including the screw thread pull rod, support the cover, the transition bush, right side semicircle jack catch and left semicircle jack catch, support the cover suit outside transition bush, right side semicircle jack catch and left semicircle jack catch, support the top of cover can with the bottom threaded connection of screw thread pull rod, the top of transition bush can reciprocate along with the bottom of screw thread pull rod, the top of right side semicircle jack catch and left semicircle jack catch can be dismantled with the bottom of transition bush and be connected, the bottom of right side semicircle jack catch and left semicircle jack catch all be equipped with the circular arc wall of the oil blanket groove looks adaptation on the oil blanket. The utility model discloses a rotatory screw thread pull rod's swinging boom can drive transition bush upward movement, just so can drive left semicircle jack catch and right semicircle jack catch upward movement in step to two circular arc walls on accessible left semicircle jack catch and the right semicircle jack catch apply an even ascending pulling force to whole oil blanket, and then take out the oil blanket slowly from the oil blanket mounting hole of gearbox housing.
Description
Technical Field
The utility model relates to an oil blanket in the car dismantles technical field, especially relates to a differential mechanism semi-axis oil blanket dismounting device of motor transmission.
Background
At present, in the process of reworking, repairing and checking tests of an automobile gearbox, sometimes a differential half shaft oil seal on a gearbox shell needs to be disassembled, and the existing disassembling method comprises the following steps: the method comprises the steps of firstly disassembling a gearbox shell, then putting a pull rod into the gearbox shell from a joint surface of the gearbox, and finally drawing the oil seal out in a mode of rotating a nut on the pull rod. The disassembly mode needs to disassemble the gearbox shell in advance, so that the operation is complex and the cost is high, and the risk of damaging the gearbox shell and the differential half shaft oil seal exists. Therefore, there is a need to develop a dismounting device that is low in cost, easy and convenient to operate, and can ensure the integrity of the oil seal and the transmission housing.
SUMMERY OF THE UTILITY MODEL
To the above prior art, the to-be-solved technical problem of the utility model lies in providing a low cost, easy and simple to handle's differential mechanism semi-axis oil blanket dismounting device of motor transmission.
For solving the technical problem, the utility model provides a differential mechanism semi-axis oil blanket dismounting device of motor transmission, including the screw thread pull rod, support cover, transition bush, right side semicircle jack catch and left semicircle jack catch, support the cover suit and be in outside transition bush, right side semicircle jack catch and the left semicircle jack catch, support the top of cover can with the bottom threaded connection of screw thread pull rod, the top of transition bush can follow the bottom of screw thread pull rod reciprocates, the top of right side semicircle jack catch and left semicircle jack catch with the connection can be dismantled to the bottom of transition bush, the bottom of right side semicircle jack catch and left semicircle jack catch all be equipped with the oil blanket groove phase adaptation on the oil blanket the circular arc wall.
Preferably, the bottom of the right semi-circular clamping jaw and the bottom of the left semi-circular clamping jaw are far away from one end of the circular arc wall, and an avoiding chamfer is arranged at one end of the circular arc wall.
More preferably, the top of right side semicircle jack catch and left semicircle jack catch all is equipped with the support arm, the bottom of transition bush be equipped with symmetrically with the kidney slot of support arm looks adaptation, the kidney slot sets up to the type of falling L.
Preferably, a thrust ball bearing is further arranged between the top of the transition bushing and the bottom of the threaded pull rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the rotating arm through rotating the threaded pull rod can drive the transition bushing to move upwards, so that the left semicircular clamping jaw and the right semicircular clamping jaw can be synchronously driven to move upwards, an even upward pulling force can be applied to the whole oil seal through the two arc walls on the left semicircular clamping jaw and the right semicircular clamping jaw, and then the oil seal is slowly taken out from an oil seal mounting hole of a gearbox shell.
2. The operation is simple, safe and reliable, and the damage to the gearbox shell and the oil seal in the dismounting process can be effectively avoided.
Drawings
Fig. 1 is the utility model relates to a differential mechanism semi-axis oil blanket dismounting device of motor transmission's structural schematic.
Fig. 2 is a half sectional view of fig. 1.
Fig. 3 is a schematic structural view of the support sleeve in fig. 1.
Fig. 4 is a schematic view of the transition bushing of fig. 1.
Fig. 5 is a schematic structural view of the left (right) semicircular jaw in fig. 1.
Fig. 6 is a schematic structural view of the oil seal.
Fig. 7 is the utility model discloses a differential mechanism semi-axis oil blanket dismounting device's of motor transmission operating condition schematic diagram.
Illustration of the drawings: 1-threaded pull rod, 11-rotating arm, 12-circular table, 2-supporting sleeve, 21-threaded hole, 22-open slot, 3-transition bushing, 31-through hole, 32-kidney slot, 321-vertical part, 322-horizontal part, 4-thrust ball bearing, 5-right semicircular claw, 51-avoidance chamfer, 52-supporting arm, 53-arc wall, 6-left semicircular claw, 7-transmission housing, 8-oil seal, 801-oil seal groove.
Detailed Description
The invention will be further described with reference to the drawings and preferred embodiments.
As shown in fig. 1 to 5, the utility model relates to a structural schematic diagram of a differential half shaft oil seal dismounting device of an automobile transmission, which comprises a threaded pull rod 1, a support sleeve 2, a transition bush 3, a thrust ball bearing 4, a right semicircular clamping jaw 5 and a left semicircular clamping jaw 6.
The threaded pull rod 1 is T-shaped, a rotating arm 11 is installed at the top of the threaded pull rod, an external thread is arranged at the bottom of the threaded pull rod, and a circular truncated cone 12 is further arranged at the bottom end of the threaded pull rod 1. The supporting sleeve 2 is a hollow cylindrical cylinder with an opening at the bottom, and the top of the supporting sleeve is provided with a threaded hole 21 matched with the external thread at the bottom of the threaded pull rod 1, namely, the bottom of the threaded pull rod 1 can be in threaded connection with the top of the supporting sleeve 2; the bottom of the support sleeve 2 is provided with an open slot 22 to avoid the bulge on the gearbox shell 7 and prevent the support sleeve 2 from rotating relative to the gearbox shell 7; the bottom aperture of the support sleeve 2 is slightly larger than the outer diameter of the oil seal mounting boss on the transmission case 7 (as shown in fig. 7). The transition bush 3 is sleeved in the support sleeve 2, the transition bush 3 is also arranged into a hollow cylindrical barrel with an opening at the bottom, a through hole 31 is arranged at the top of the transition bush 3, the aperture of the through hole 31 is slightly larger than the diameter of the external thread on the threaded pull rod 1 and smaller than the diameter of the circular truncated cone 12 on the threaded pull rod 1, namely, the bottom of the threaded pull rod 1 can move up and down relative to the top of the transition bush 3; the bottom of the transition bush 3 is symmetrically provided with a kidney groove 32, and the kidney groove 32 is arranged in an inverted L shape. A thrust ball bearing 4 is fixedly arranged between the circular truncated cone 12 on the threaded pull rod 1 and the inner top wall of the transition bush 3, so that the top of the transition bush 3 can move up and down along with the bottom of the threaded pull rod 1. The right semicircular clamping jaw 5 and the left semicircular clamping jaw 6 are symmetrically and detachably mounted in the support sleeve 2 at the bottom of the transition bushing 3, the top parts of the right semicircular clamping jaw 5 and the left semicircular clamping jaw 6 are respectively provided with a support arm 52 which can be matched with the kidney-shaped groove 32 on the transition bushing 3, and the support arms 52 can move up and down along the vertical part 321 of the kidney-shaped groove 32 or rotate along the horizontal part 322 of the kidney-shaped groove 32; the bottoms of the right semicircular jaw 5 and the left semicircular jaw 6 are both provided with arc walls 53, and the arc walls 53 can be matched with oil seal grooves 801 (shown in figure 6) on the oil seal 8; the bottom of the right semicircular jaw 5 and the left semicircular jaw 6 is further provided with an avoiding chamfer 51 at one end far away from the arc wall 53 so as to install the right semicircular jaw 5 and the left semicircular jaw 6 at the bottom of the transition bushing 3.
The utility model discloses an equipment and theory of operation as follows: firstly, installing a threaded pull rod 1, a support sleeve 2, a transition bush 3 and a thrust ball bearing 4 as shown in figure 1; then the left semicircular clamping jaw 5 is placed into an inner hole of the oil seal 8, so that the arc wall 53 on the left semicircular clamping jaw 5 is matched with the oil seal groove 801 on the oil seal 8; then, the right semicircular clamping jaw 6 is installed by means of the avoiding chamfer 51, and the arc wall 53 on the right semicircular clamping jaw 6 is matched with the oil seal groove 801 on the oil seal 8; sleeving the transition bushing 3 on the tops of the left semicircular jaw 5 and the right semicircular jaw 6 again, and rotating the transition bushing 3 to enable the supporting arms 52 of the left semicircular jaw 5 and the right semicircular jaw 6 to be clamped into the kidney-shaped groove 32 of the transition bushing 3; and finally, rotating the threaded pull rod 1, enabling the transition bushing 3 to slide upwards in a translation manner through the thrust ball bearing 4, and driving the left semicircular clamping jaw 5, the right semicircular clamping jaw 6 and the oil seal 8 to slide upwards in a translation manner, so that the oil seal 8 is statically taken out.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. The utility model provides a differential mechanism half axle oil blanket dismounting device of motor transmission which characterized in that: including screw pull rod (1), support cover (2), transition bush (3), right semicircle jack catch (5) and left semicircle jack catch (6), support cover (2) suit outside transition bush (3), right semicircle jack catch (5) and left semicircle jack catch (6), support the top of cover (2) can with the bottom threaded connection of screw pull rod (1), the top of transition bush (3) can be followed the bottom of screw pull rod (1) reciprocates, the top of right semicircle jack catch (5) and left semicircle jack catch (6) with the connection can be dismantled to the bottom of transition bush (3), the bottom of right semicircle jack catch (5) and left semicircle jack catch (6) all is equipped with circular arc wall (53) with oil seal groove (801) looks adaptation on oil blanket (8).
2. The differential half shaft oil seal dismounting device of the automobile gearbox as claimed in claim 1, characterized in that: the bottom of the right semicircular clamping jaw (5) and the bottom of the left semicircular clamping jaw (6) are far away from one end of the circular arc wall (53) and are provided with an avoiding chamfer (51).
3. The differential half shaft oil seal dismounting device of the automobile gearbox as claimed in claim 1 or 2, characterized in that: the top of right side semicircle jack catch (5) and left semicircle jack catch (6) all is equipped with support arm (52), the bottom of transition bush (3) be equipped with symmetrically with kidney slot (32) of support arm (52) looks adaptation, kidney slot (32) set up to the type of falling L.
4. The differential half shaft oil seal dismounting device of the automobile gearbox as claimed in claim 1, characterized in that: and a thrust ball bearing (4) is also arranged between the top of the transition bushing (3) and the bottom of the threaded pull rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922088839.6U CN211517331U (en) | 2019-11-28 | 2019-11-28 | Differential mechanism half shaft oil seal dismounting device of automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922088839.6U CN211517331U (en) | 2019-11-28 | 2019-11-28 | Differential mechanism half shaft oil seal dismounting device of automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211517331U true CN211517331U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922088839.6U Active CN211517331U (en) | 2019-11-28 | 2019-11-28 | Differential mechanism half shaft oil seal dismounting device of automobile transmission |
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| CN (1) | CN211517331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654187A (en) * | 2022-04-19 | 2022-06-24 | 中国航发动力股份有限公司 | Fuel main pipe assembly fault resetting device and method |
-
2019
- 2019-11-28 CN CN201922088839.6U patent/CN211517331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654187A (en) * | 2022-04-19 | 2022-06-24 | 中国航发动力股份有限公司 | Fuel main pipe assembly fault resetting device and method |
| CN114654187B (en) * | 2022-04-19 | 2023-09-22 | 中国航发动力股份有限公司 | Fuel oil main pipe assembly fault resetting device and method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 169, Meilin street, economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: Magna powertrain (Jiangxi) Co.,Ltd. Address before: No. 169, Meilin street, Changbei Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: GETRAG (JIANGXI) TRANSMISSION Co.,Ltd. |
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| CP03 | Change of name, title or address |