Puller for disassembling middle casing of manual transmission

By designing a disassembly puller for the manual transmission intermediate casing, the problem of difficulty in disassembling the intermediate casing is solved, a more efficient disassembly process is achieved, casing damage is avoided, and maintenance difficulty is reduced.

CN222371530UActive Publication Date: 2025-01-21HARBIN DONGAN AUTO ENGINE CO LTD
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Patent Information

Application Number
CN202421051830.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-01-21
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

When disassembling the intermediate receiver of the manual transmission, the intermediate receiver is difficult to remove and requires multiple knocks, which can easily cause damage to the surface of the receiver and deform the shell.

Method used

A manual transmission intermediate casing disassembly puller is designed, including a threaded top column, an adjustable support plate, a threaded pull rod, a top base, an internal thread sleeve and a gripper. Through the synergy of these components, the intermediate casing can be disassembled. Easy to disassemble.

Benefits of technology

This device allows the intermediate receiver to be easily disassembled, avoids surface scratches and deformations, improves maintenance efficiency, and reduces labor intensity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a puller for disassembling a middle casing of a manual transmission, and belongs to the field of automobile transmissions. The puller comprises a threaded top column, an adjustable supporting plate, two threaded pull rods, a top base, an inner threaded sleeve and a gripper. A through hole is formed in the middle of the adjustable supporting plate, the inner threaded sleeve is fixed in the through hole, the threaded jacking column is in threaded connection with the inner threaded sleeve, and the front end of the threaded jacking column is rotationally connected with the jacking base. The two threaded pull rods are symmetrically arranged relative to the threaded top column, one ends of the two threaded pull rods are detachably and fixedly connected with the adjustable supporting plate, and the other ends of the two threaded pull rods are fixedly connected with the tongs. By means of the puller for disassembling the middle casing of the manual transmission, when the transmission is maintained, the middle casing can be disassembled conveniently, the surface of a shell of the middle casing is not prone to gouges and deformation in the disassembling process, work efficiency is improved, and labor intensity is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of automobile transmissions, in particular to a manual transmission intermediate casing disassembly puller. Background Art

[0002] With the rapid development of the automobile industry, cars have become an indispensable part of the lives of thousands of households. However, in automobile after-sales service, we often encounter the repair of the transmission. In the process of disassembling the transmission, because the middle casing is difficult to remove, it needs to be knocked several times with a hammer to disassemble it, which can easily cause scratches on the surface of the middle casing, and in severe cases, it can easily cause deformation of the casing shell. Utility Model Content

[0003] The utility model aims to solve the above-mentioned problems existing in the background technology and provides a manual transmission intermediate casing disassembly puller.

[0004] The utility model achieves the above purpose, and the technical scheme adopted is as follows:

[0005] A manual transmission intermediate casing disassembly puller comprises a threaded top column, an adjustable support plate, two threaded pull rods, a top seat, an internal threaded sleeve and a gripper; a through hole is provided in the middle of the adjustable support plate, the internal threaded sleeve is fixed in the through hole, the threaded top column is threadedly connected to the internal threaded sleeve, and the front end of the threaded top column is rotatably connected to the top seat; the two threaded pull rods are symmetrically arranged relative to the threaded top column, one end of the two threaded pull rods is detachably fixedly connected to the adjustable support plate, and the other ends of the two threaded pull rods are fixedly connected to the gripper.

[0006] The top seat includes a bearing pressure plate, a pressure bearing, a cotter pin, a top seat plate and two adjustable pillars; a center hole is provided in the middle of the top seat plate, the pressure bearing is fixedly installed in the center hole, the front end of the threaded top column is rotatably connected to the top seat plate through the pressure bearing, the bearing pressure plate is sleeved on the threaded top column and fixed on the rear side of the top seat plate, the radial pin hole on the side wall of the front end of the threaded top column is passed through a cotter pin, and the two adjustable pillars are fixed to the top seat plate through top screws respectively.

[0007] The two adjustable pillars are respectively a long adjustable pillar and a short adjustable pillar, and the long adjustable pillar and the short adjustable pillar are symmetrically arranged on both sides of the threaded top pillar.

[0008] The gripper comprises two semicircular plates and a plurality of cylindrical rubber piers; the two semicircular plates are arranged opposite to each other, and the two ends are detachably fastened and connected by gripper fastening bolts, and the two opposite inner arc sides of the two semicircular plates are respectively fixed with a plurality of cylindrical rubber piers.

[0009] The number of the plurality of cylindrical rubber piers is six, and three cylindrical rubber piers are respectively fixed to two opposite inner arc side surfaces of the two semi-circular arc plates.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the manual transmission intermediate casing disassembly puller of the utility model can be used to conveniently disassemble the intermediate casing when the transmission is repaired, and it is not easy to cause scratches and deformation on the surface of the intermediate casing shell during the disassembly process, thereby improving work efficiency and reducing labor intensity. The utility model is mainly used for disassembling the intermediate casing of a T25R manual transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front view of a manual transmission intermediate casing disassembly puller of the utility model;

[0012] Figure 2 It is a front view of the top seat of a manual transmission intermediate casing disassembly puller of the utility model;

[0013] Figure 3 The utility model is a top view of a gripper for disassembling a puller of a manual transmission intermediate casing.

[0014] The names and reference numerals of the components involved in the above drawings are as follows:

[0015] Threaded top column 1, adjustable support plate 2, threaded pull rod 3, top seat 4, gripper 5, bearing pressure plate 6, pressure bearing 7, cotter pin 8, long adjustable pillar 9, cylindrical rubber pier 10, gripper fastening bolt 11, internal threaded sleeve 12, top seat plate 13, short adjustable pillar 14, semicircular arc plate 15. DETAILED DESCRIPTION

[0016] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Specific implementation method 1: Figure 1 -As shown, this embodiment records a new type of T25R manual transmission intermediate casing disassembly puller, including a threaded top column 1, an adjustable support plate 2, two threaded pull rods 3, a top seat 4, an internal threaded sleeve 12 and a gripper 5; a through hole is provided in the middle of the adjustable support plate 2, the internal threaded sleeve 12 is fixed in the through hole, the threaded top column 1 is threadedly connected to the internal threaded sleeve 12, and the front end of the threaded top column 1 is rotatably connected to the top seat 4; the two threaded pull rods 3 are symmetrically arranged relative to the threaded top column 1, one end of the two threaded pull rods 3 is detachably fixedly connected to the adjustable support plate 2, and the other end of the two threaded pull rods 3 is fixedly connected to the gripper 5.

[0018] Specific implementation method 2: Figure 1 , Figure 2 As shown, this embodiment is a further explanation of the specific embodiment one, the top seat 4 includes a bearing pressure plate 6, a pressure bearing 7, a cotter pin 8, a top seat plate 13 and two adjustable pillars; a center hole is provided in the middle of the top seat plate 13, the pressure bearing 7 is fixedly installed in the center hole, the front end of the threaded top column 1 is rotatably connected with the top seat plate 13 through the pressure bearing 7, the bearing pressure plate 6 is sleeved on the threaded top column 1 and fixed on the rear side of the top seat plate, and the cotter pin 8 is passed through the radial pin hole of the side wall of the front end of the threaded top column 1 (the pressure bearing 7 is axially limited by the bearing pressure plate 6 and the cotter pin 8), and the two adjustable pillars are respectively fixed to the top seat plate 13 by top screws (two pillar holes are provided on the top seat plate 13, and the two adjustable pillars are respectively installed in the corresponding pillar holes, and a screw hole is provided on the side of the top seat plate 13, and the top screw is screwed and connected with the screw hole and rests on the adjustable pillar).

[0019] Specific implementation method three: Figure 2 As shown, this embodiment is a further explanation of the specific embodiment 2, and the two adjustable pillars are a long adjustable pillar 9 and a short adjustable pillar 14, and the long adjustable pillar 9 and the short adjustable pillar 14 are symmetrically arranged on both sides of the threaded top pillar 1.

[0020] Specific implementation method four: Figure 1 , Figure 3 As shown, this embodiment is a further description of the specific embodiment 1, the gripper 5 includes two semi-circular arc plates 15 and a plurality of cylindrical rubber piers 10; the two semi-circular arc plates 15 are arranged opposite to each other, and the two ends are detachably fastened and connected by gripper fastening bolts 11, which can realize clamping and loosening; the two opposite inner arc sides of the two semi-circular arc plates 15 are respectively fixed with a plurality of cylindrical rubber piers 10. The advantage of installing the cylindrical rubber piers 10 is that the position of the gripper 5 can be adjusted.

[0021] Specific implementation method five: Figure 3 As shown, this embodiment is a further description of the specific embodiment 4, the number of the plurality of cylindrical rubber piers 10 is six, and three cylindrical rubber piers 10 are respectively fixed to the two opposite inner arc sides of the two semi-circular arc plates 15. The cylindrical rubber piers 10 contact the outer surface of the transmission intermediate casing, and when the intermediate casing is disassembled, the irregular outer surface of the transmission intermediate casing can be avoided, thereby increasing greater friction and facilitating the disassembly of the casing; at the same time, it can also protect the outer surface of the transmission intermediate casing.

[0022] The working principle of the utility model is: the gripper 5 fastens the cylindrical rubber pier 10 to the outer surface of the transmission intermediate casing (such as the T25R transmission intermediate casing) through the gripper fastening bolt 11, and then rotates the threaded top column 1 (for the convenience of rotation, a wrench is fixed on the top of the threaded top column 1), so that the long adjustable support column 9 and the short adjustable support column 14 are respectively pressed against the transmission output shaft and the transmission intermediate shaft, and then continues to rotate the threaded top column 1, and the adjustable support plate 2 moves backward under the drive of the internal threaded sleeve 12, so as to realize the disassembly of the transmission intermediate casing.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other forms of assembly without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes within the meaning and scope of the equivalents of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A manual transmission intermediate casing disassembly puller, characterized in that: The invention comprises a threaded top column (1), an adjustable support plate (2), two threaded tie rods (3), a top seat (4), an internal threaded sleeve (12) and a gripper (5); a through hole is provided in the middle of the adjustable support plate (2), the internal threaded sleeve (12) is fixed in the through hole, the threaded top column (1) is threadedly connected to the internal threaded sleeve (12), and the front end of the threaded top column (1) is rotatably connected to the top seat (4); the two threaded tie rods (3) are symmetrically arranged relative to the threaded top column (1), one end of the two threaded tie rods (3) is detachably fixedly connected to the adjustable support plate (2), and the other end of the two threaded tie rods (3) is fixedly connected to the gripper (5).

2. A manual transmission intermediate case disassembly puller according to claim 1, characterized in that: The top seat (4) comprises a bearing pressure plate (6), a pressure bearing (7), a cotter pin (8), a top seat plate (13) and two adjustable pillars; a center hole is provided in the middle of the top seat plate (13), the pressure bearing (7) is fixedly installed in the center hole, the front end of the threaded top column (1) is rotatably connected to the top seat plate (13) through the pressure bearing (7), the bearing pressure plate (6) is sleeved on the threaded top column (1) and fixed on the rear side of the top seat plate, the cotter pin (8) is inserted into the radial pin hole of the side wall of the front end of the threaded top column (1), and the two adjustable pillars are fixed to the top seat plate (13) through top screws.

3. A manual transmission intermediate case disassembly puller according to claim 2, characterized in that: The two adjustable pillars are respectively a long adjustable pillar (9) and a short adjustable pillar (14), and the long adjustable pillar (9) and the short adjustable pillar (14) are symmetrically arranged on both sides of the threaded top pillar (1).

4. A manual transmission intermediate case disassembly puller according to claim 1, characterized in that: The gripper (5) comprises two semi-circular plates (15) and a plurality of cylindrical rubber piers (10); the two semi-circular plates (15) are arranged opposite to each other, and the two ends are detachably fastened and connected by gripper fastening bolts (11), and the two opposite inner arc sides of the two semi-circular plates (15) are respectively fixed with a plurality of cylindrical rubber piers (10).

5. A manual transmission intermediate case disassembly puller according to claim 4, characterized in that: The number of the plurality of cylindrical rubber piers (10) is six, and three cylindrical rubber piers (10) are respectively fixed to two opposite inner arc side surfaces of the two semi-circular arc plates (15).