CN212096097U

CN212096097U - Fixing tool for bearing outer ring of power takeoff shell

Info

Publication number: CN212096097U
Application number: CN202020383463.1U
Authority: CN
Inventors: 赵永飞
Original assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Current assignee: Changshu Meiqiao Automotive Drive System Manufacturing Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-08
Anticipated expiration: 2030-03-24

Abstract

The utility model provides a fixed frock of power takeoff shell bearing outer ring, including the frock main part, be provided with first compact structure on the main part up end of frock main part, the terminal surface is provided with second compact structure under its cylinder, is provided with the briquetting in the planar lower part of its cylinder. The utility model discloses a preceding bearing outer loop and the back bearing outer loop in the fixed power takeoff casing of first hold-down mechanism and second hold-down mechanism are simultaneously through briquetting back pressure on the main tooth of power takeoff for the frock also does not drop when the unsettled back-off of casing, not only can avoid the problem that the bearing outer loop dropped in the assembling process, and the clamping is convenient, and the staff of being convenient for operates, has improved production efficiency, has reduced manufacturing cost.

Description

Fixing tool for bearing outer ring of power takeoff shell

Technical Field

The utility model relates to an automobile parts field especially relates to a fixed frock of power takeoff shell bearing outer ring.

Background

Power takeoff casing exists the condition of invering the casing in power takeoff assembly process, and the bearing outer loop in the casing is owing to be clearance fit, can drop under the action of gravity, causes the bearing outer loop to damage, in order to prevent that this kind of phenomenon from taking place, has two kinds of methods at present:

1. before the bearing outer ring is installed, viscous substances such as grease are smeared at the outer ring hole of the bearing of the shell, and the bearing outer ring is stuck in the shell after installation; however, the grease is influenced by temperature, the viscosity is reduced at high temperature, the grease is not firmly bonded, and the outer ring of the bearing is easy to slip and drop; greasing costs of labor and grease are required; the grease can adhere to metal particles, and causes pollution to products;

2. install bearing outer loop support frock on the casing anchor clamps of assembly line, prevent that the assembly process bearing outer loop from dropping, nevertheless drop easily at material loading, unloading in-process bearing outer loop, need two bearing outer loops of one hand fixed, unloading on the other hand, complex operation, deviate from ergonomic.

Disclosure of Invention

In order to solve the problem, the utility model provides a fixed frock of power takeoff casing bearing outer ring.

The main contents of the utility model include:

a fixing tool for an outer ring of a bearing of a power takeoff shell comprises a tool main body, wherein the tool main body comprises a cylinder upper end face, a cylinder lower end face and a cylinder side face, and the cylinder side face is defined by a cylinder cambered surface and a cylinder plane; a pressing block for tightly abutting against the main gear of the power takeoff is arranged at the lower part of the plane of the column body; the upper end face of the cylinder is provided with a first compression structure used for compressing a front bearing outer ring of the power takeoff, and the lower end face of the cylinder is provided with a second compression structure used for compressing a rear bearing outer ring of the power takeoff.

Preferably, the cylinder planar lower part has been seted up the briquetting cavity, the briquetting includes briquetting installation department and briquetting and supports tight portion, the briquetting installation department sets up in the briquetting cavity, the upper surface that the briquetting supported tight portion is the inclined plane of downwardly extending from inside to outside.

Preferably, a pressing block spring is arranged between the lower bottom surface of the pressing block mounting part and the lower side wall of the pressing block cavity.

Preferably, the lower side wall of the pressing block cavity extends upwards to be provided with a pressing block guide pin, and the pressing block spring is coated outside the pressing block guide pin; the lower surface of the pressing block is provided with a pressing block guide pin hole, and the pressing block guide pin is arranged in the pressing block guide pin hole.

Preferably, the upper surface of the pressing block is also connected with a pushing pin mechanism, and the pushing pin mechanism comprises a pushing pin column and a pushing pin handle; the push pin through-hole has been seted up to the last lateral wall of briquetting cavity, push pin through-hole by the last lateral wall of briquetting cavity extends to the cylinder up end, the push pin post sets up in the push pin through-hole and extend to the top of cylinder up end, the push pin handle is connected the push pin post extends to the one end of cylinder up end top.

Preferably, the lower end face of the column body is provided with a top block, and the lower surface of the top block is provided with a yielding groove.

Preferably, the second compression structure is a pressure plate connected to the upper end face of the column body through a screw; the pressure plate extends outwards along the radial direction from the upper end surface of the cylinder.

Preferably, the support device further comprises a support assembly, the support assembly comprises a handle, a belleville spring and a stop block, a support blind hole is formed in the upper end face of the column body, the handle comprises a handle column and a handle, the handle column comprises a first column body and a second column body, the first column body is arranged in the support blind hole, and the belleville spring is arranged between the first column body and the bottom of the support blind hole; the handle is connected to one end of the second column body; and the diameter of the second cylinder is smaller than that of the first cylinder, and the stop block is fixedly arranged on the upper end face of the cylinder and partially extends to the position above the supporting blind hole.

Preferably, the support device further comprises a support guide pin, and the support guide pin is fixedly arranged in the support blind hole; the supporting guide pin penetrates through the central hole of the belleville spring and extends upwards from the bottom of the supporting blind hole; the handle column is correspondingly provided with a handle blind hole, and the support guide pin is arranged in the handle blind hole; and a gasket is arranged between the belleville spring and the first column body.

The beneficial effects of the utility model reside in that: the utility model provides a fixed frock of power takeoff casing bearing outer ring, through preceding bearing outer ring and the back bearing outer ring in the fixed power takeoff casing of first hold-down mechanism and second hold-down mechanism, simultaneously through briquetting back pressure on the leading tooth of power takeoff, make the frock also not drop when the unsettled back-off of casing, not only can avoid the problem that the bearing outer ring dropped in assembling process, and the clamping is convenient, the staff's of being convenient for operation has improved production efficiency, and production cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic diagram of the present invention adapted to a power takeoff housing;

fig. 4 is a cross-sectional view a-a of fig. 2.

Detailed Description

The technical solution protected by the present invention will be specifically described below with reference to the accompanying drawings.

Please refer to fig. 1 to 4. The utility model provides a fixed frock of power takeoff casing bearing outer ring uses in the assembly process of power takeoff, installs preceding bearing outer ring b and back bearing outer ring c clearance fit in power takeoff casing a at first, then will the utility model discloses a fixed frock is placed and is target in place the assembly of realization casing that can be reliable, and the material loading, assembly, the unloading process of casing all do not need artificial control, and the frock can take out fast behind the casing unloading, and easy operation is convenient, high-efficient, clean.

The utility model discloses a fixing tool comprises a tool main body 1, wherein the tool main body 1 comprises a cylinder upper end surface 11, a cylinder lower end surface 12 and a cylinder side surface, and the cylinder side surface is enclosed by a cylinder cambered surface 13 and a cylinder plane 14; the lower part of the column plane 14 is provided with a pressing block 3 for tightly abutting against the main tooth d of the power takeoff; the upper end surface 11 of the cylinder is provided with a first pressing structure 20 for pressing a rear bearing outer ring b of the power takeoff, and the lower end surface 12 of the cylinder is provided with a second pressing structure 10 for pressing a front bearing outer ring c of the power takeoff.

As can be seen from fig. 1 and 4, the first pressing structure 20 has a pressing surface adapted to the surface of the rear bearing outer ring b; the second compression structure 10 is a pressure plate connected to the upper end surface 11 of the column body through screws; the pressure plate extends radially outward from the cylinder upper end surface 11.

Specifically, referring to fig. 4, a pressing block cavity 30 is formed in the lower portion of the cylinder plane 14, the pressing block 3 includes a pressing block mounting portion 31 and a pressing block abutting portion 32, the pressing block mounting portion 31 is disposed in the pressing block cavity 30, and an upper surface 320 of the pressing block abutting portion 32 is an inclined surface extending from inside to outside, so as to abut against a main tooth d of the power takeoff housing, and avoid a problem that the bearing outer ring may fall off in the assembling process by means of a reverse force of the main tooth d.

Further, the lower bottom surface of briquetting installation department 31 with be provided with briquetting spring 4 between the lower lateral wall of briquetting cavity 30 for when putting into the power takeoff casing with the frock, can be more convenient place, when just putting into, through compression briquetting spring 4, make briquetting 3 be located the below of owner tooth d, then rotate the frock and release the pressure to briquetting 3, make briquetting 3 support tightly in the owner tooth below.

In one embodiment, a briquetting guide pin 40 extends upwards from the lower side wall of the briquetting cavity 30, and the briquetting spring 4 is wrapped outside the briquetting guide pin 40; meanwhile, a press block guide pin hole is formed in the lower surface of the press block 3, and the press block guide pin 40 is arranged in the press block guide pin hole, so that better compression guide is realized.

In one embodiment, the upper surface of the pressing block 3 is further connected with a push pin mechanism 5, and the push pin mechanism 5 comprises a push pin column 51 and a push pin handle 52; the upper side wall of the pressing block cavity 30 is provided with a push pin through hole, the push pin through hole extends from the upper side wall of the pressing block cavity to the upper end face of the column body, namely, the push pin column 51 is arranged in the push pin through hole and extends to the upper part of the upper end face 11 of the column body, the push pin handle 52 is connected to one end, extending to the upper part of the upper end face 11 of the column body, of the push pin column 51, so that an operator can grasp the push pin through the push pin, the operator can compress and release pressure of the pressing block spring 4 by pushing and pulling the push pin mechanism 5, and the tool can be positioned conveniently.

In one embodiment, be provided with kicking block 2 below terminal surface 12 under the cylinder, the recess 200 of stepping down has been seted up to the lower surface of kicking block 2, kicking block 2 not only can realize the effect of centering for whole frock, and when assembling the frock in the power takeoff casing, kicking block 2 supports and leans on the bottom at power takeoff casing a to realize spacing effect.

In order to facilitate the taking of the tool by an operator, the tool of the present invention is further provided with a supporting component 6, the supporting component includes a handle 61, a belleville spring 62 and a stopper 63, the supporting blind hole 100 is provided on the cylinder upper end surface 11, wherein the handle 61 includes a handle column 611 and a handle grip 612, the handle column 611 includes a first cylinder 6111 and a second cylinder 6112, the first cylinder 6111 is disposed in the supporting blind hole 100, and the belleville spring 62 is disposed between the first cylinder 6111 and the bottom of the supporting blind hole 612; the handle grip 612 is connected to one end of the second column 6112; the diameter of the second cylinder 6112 is smaller than that of the first cylinder 6111, and the stopper 63 is fixedly disposed on the upper end surface 11 of the cylinder and partially extends above the supporting blind hole 100, so that the first cylinder 6111 is not exposed out of the supporting blind hole 100, that is, the handle 61 is not dropped from the supporting blind hole.

In addition, when the power takeoff casing is placed on an assembly line fixture, the handle 61 also has a supporting function on the casing, namely, the supporting force is transmitted to the power takeoff casing through the belleville springs 62, the tool body 1 and the jacking block 2, so that the power takeoff casing is not deformed even if being stressed in the assembling process.

In one embodiment, the support assembly 6 further comprises a support guide pin 64, and the support guide pin 64 is fixedly arranged in the support blind hole 100; and the support guide pin 64 passes through the central hole of the belleville spring 62 and extends upwards from the bottom of the support blind hole 100; meanwhile, a handle blind hole 610 is correspondingly formed in the handle column 611, and the supporting guide pin 64 is arranged in the handle blind hole 610; in addition, a gasket 65 is further disposed between the belleville spring 62 and the first cylinder 6111.

Use the utility model discloses carry out a fixed process of bearing outer ring as follows: firstly, opening a power takeoff shell upwards before loading, namely, the rear bearing outer ring b is positioned below, and the front bearing outer ring c is positioned above; an operator puts the tool into the shell, so that the jacking block 2 contacts the bottom of the power takeoff shell, then rotates the tool, so that the pressing block 3 is clamped on the main teeth d of the power takeoff shell, so that the tool is fixed, and the first pressing structure 20 and the second pressing structure 10 respectively press the front bearing outer ring c and the rear bearing outer ring b; the operator is with power takeoff casing material loading installation to anchor clamps afterwards, and the equipment starts the assembly process of other parts, treats the assembly and ends, and the operator unloading is put back the casing in original place to can take out through the reverse rotation frock.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A fixing tool for an outer ring of a bearing of a power takeoff shell is characterized by comprising a tool main body, wherein the tool main body comprises a cylinder upper end face, a cylinder lower end face and a cylinder side face, and the cylinder side face is defined by a cylinder cambered surface and a cylinder plane; a pressing block for tightly abutting against the main gear of the power takeoff is arranged at the lower part of the plane of the column body; the upper end face of the cylinder is provided with a first compression structure used for compressing a front bearing outer ring of the power takeoff, and the lower end face of the cylinder is provided with a second compression structure used for compressing a rear bearing outer ring of the power takeoff.

2. The fixing tool for the bearing outer ring of the power takeoff housing as claimed in claim 1, wherein a pressing block cavity is formed in the lower portion of the cylinder plane, the pressing block includes a pressing block mounting portion and a pressing block abutting portion, the pressing block mounting portion is disposed in the pressing block cavity, and the upper surface of the pressing block abutting portion is an inclined surface extending from inside to outside downwards.

3. The tool for fixing the bearing outer ring of the power takeoff shell as claimed in claim 2, wherein a pressure block spring is arranged between the lower bottom surface of the pressure block mounting part and the lower side wall of the pressure block cavity.

4. The fixing tool for the outer ring of the bearing of the power takeoff shell as claimed in claim 3, wherein a briquetting guide pin is arranged on the lower side wall of the briquetting cavity in an upward extending manner, and the briquetting spring is wrapped outside the briquetting guide pin; the lower surface of the pressing block is provided with a pressing block guide pin hole, and the pressing block guide pin is arranged in the pressing block guide pin hole.

5. The fixing tool for the bearing outer ring of the power takeoff shell as claimed in claim 3, wherein a push pin mechanism is further connected to the upper surface of the pressing block, and the push pin mechanism comprises a push pin column and a push pin handle; the push pin through-hole has been seted up to the last lateral wall of briquetting cavity, push pin through-hole by the last lateral wall of briquetting cavity extends to the cylinder up end, the push pin post sets up in the push pin through-hole and extend to the top of cylinder up end, the push pin handle is connected the push pin post extends to the one end of cylinder up end top.

6. The fixing tool for the bearing outer ring of the power takeoff shell as claimed in claim 1, wherein a top block is arranged below the lower end face of the cylinder, and a yielding groove is formed in the lower surface of the top block.

7. The fixing tool for the bearing outer ring of the power takeoff shell as claimed in claim 1, wherein the second pressing structure is a pressing plate connected to the upper end face of the cylinder body through a screw; the pressure plate extends outwards along the radial direction from the upper end surface of the cylinder.

8. The fixing tool for the bearing outer ring of the power takeoff shell is characterized by further comprising a supporting assembly, wherein the supporting assembly comprises a handle, a belleville spring and a stop block, a supporting blind hole is formed in the upper end face of the cylinder, the handle comprises a handle column and a handle, the handle column comprises a first cylinder and a second cylinder, the first cylinder is arranged in the supporting blind hole, and the belleville spring is arranged between the first cylinder and the bottom of the supporting blind hole; the handle is connected to one end of the second column body; and the diameter of the second cylinder is smaller than that of the first cylinder, and the stop block is fixedly arranged on the upper end face of the cylinder and partially extends to the position above the supporting blind hole.

9. The fixing tool for the bearing outer ring of the power takeoff housing as claimed in claim 8, further comprising a support guide pin, wherein the support guide pin is fixedly arranged in the support blind hole; the supporting guide pin penetrates through the central hole of the belleville spring and extends upwards from the bottom of the supporting blind hole; the handle column is correspondingly provided with a handle blind hole, and the support guide pin is arranged in the handle blind hole; and a gasket is arranged between the belleville spring and the first column body.