CN211193648U - Assembling device for bearing oil seal dust cover - Google Patents

Abstract

The utility model discloses an assembly quality of bearing oil blanket shield is the sunken locating hole that forms of base upper surface, the positioning seat is placed in the locating hole and is passed through the cover and have reset spring's bolt and base swing joint, the last surface mounting of positioning seat has the cover that rises in location, location cone center suit is on the positioning seat, location cone passes through the guide arm with the positioning seat and is connected by clamp plate location, the cover is equipped with guide arm spring on the guide arm, clamp plate and guide arm on the location cone upper surface are connected by set screw, the cover that rises in location is fixed on the mount table of positioning seat, the lower part of the cover that rises in location is equipped with the rubber circle, the shield suit that waits to install is in the lower part of the cover that rises in location, the external diameter of the cover that rises in location is less than the internal diameter of shield under initial state, the cover center that rises in location is the taper hole narrow from top to bottom, and with the taper, The press fitting is finished in one step after the oil seal is removed, the product quality and efficiency are improved, and the characteristic of improper assembly is avoided.

Description

Assembling device for bearing oil seal dust cover

Technical Field

The utility model belongs to the technical field of oil blanket assembly auxiliary assembly, especially, relate to an assembly quality of bearing oil blanket shield.

Background

At present, in the field of oil seal production, particularly in the field of vehicle hub bearing oil seals, in order to prevent muddy water, the oil seals are provided with dust covers. The oil blanket is interference fit with the shield, and manual work is usually used simple direction frock and is assembled the oil blanket, and this is better to the oil blanket of minor diameter and uses. But to big oil blanket or shield height when being greater than oil blanket terminal surface height just appear some problems like the bearing oil blanket, assemble hard during the assembly, inefficiency, the pressure equipment can appear not in place, oil blanket lip upset scheduling problem simultaneously in current mounting method, the quality problem frequently appears.

Disclosure of Invention

An object of the utility model is to improve the not enough of prior art and provide one kind can be accurate with the oil blanket with the shield assembly together, the pressure equipment deviate from the oil blanket and accomplish, improve product quality and efficiency, stop the assembly quality of the not in place bearing oil blanket shield.

The utility model aims at realizing the assembly device of the bearing oil seal dust cap, which comprises a base and is characterized in that the upper surface of the base is sunken to form a positioning hole, a positioning seat is arranged in the positioning hole and movably connected with the base through a bolt, a reset spring is sleeved on the bolt, a positioning expansion sleeve is arranged on the upper surface of the positioning seat, the center of a positioning cone with wide upper part and narrow lower part is sleeved on the central shaft of the positioning seat, the positioning cone is positioned and connected with the positioning seat through a guide rod by a pressing plate, a guide rod spring is sleeved on the guide rod, the pressing plate and the guide rod which are arranged on the upper surface of the positioning cone are connected by a positioning screw, the positioning expansion sleeve is arranged on an installation table of the positioning seat and is fixedly connected with the positioning seat, the lower part of the positioning expansion sleeve is provided with a rubber ring, the dust cap to be installed, the center of the positioning expansion sleeve is a taper hole with a wide upper part and a narrow lower part, and is matched with the taper of the positioning cone.

Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model adopts the positioning expansion sleeve to clamp the dust cover, and the dust cover is positioned and clamped by opening and closing the positioning expansion sleeve; the processes of clamping, assembling and stripping are completed by utilizing a spring structure; the guide rod has a guiding and positioning function; during assembly, external force acts on the pressing plate, the positioning cone moves downwards to enter the positioning expansion sleeve, the diameter of the positioning expansion sleeve is increased, the dustproof cover is fixed by the rubber sealing ring, and the rubber ring plays a role in buffering and protecting the dustproof cover from being damaged; the positioning seat moves along with the guide rod, when the guide rod reaches a specified position, the dustproof cover is assembled in the oil seal, pressure is released, and the positioning seat returns under the action of a guide rod spring; and applying force to the upper part of the middle of the positioning seat, enabling the positioning seat to descend to reach the bottom of the positioning hole, and enabling the assembled combined oil seal to be separated from the mounting table under the action of the force of the outer edge of the base, so that the assembly work is realized.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention in an assembled state.

In the figure: 1. the device comprises a base, 2, a positioning seat, 3, an oil seal, 4, a dust cover, 5, a rubber ring, 6, a positioning expansion sleeve, 7, a positioning cone, 8, a positioning screw, 9, a pressing plate, 10, a bolt, 11, a guide rod spring, 12, a guide rod, 13, a return spring, 14 and a central shaft.

Detailed Description

An assembly device of a bearing oil seal dust cap, refer to fig. 1, a positioning hole is formed by sinking the upper surface of a base 1, a positioning seat 2 is placed in the positioning hole and movably connected with the base 1 through a bolt 10, the positioning seat 2 can move up and down in the positioning hole of the base 1, a return spring 13 is sleeved on the bolt 10 between the positioning seat 2 and the base 1, a positioning expansion sleeve 6 is installed on the upper surface of the positioning seat 2, an oil seal 3 is sleeved on the upper surface of the positioning seat 2, the outer edge of the oil seal 3 extends out of the positioning seat 2 and can be contacted with the upper surface of the base 1, the center of a positioning cone 7 with a wide upper part and a narrow lower part is sleeved on a central shaft 14 of the positioning seat 2, the positioning cone 7 is positioned and connected with the positioning seat 2 through a guide rod 12, a movable allowance is arranged between the positioning seat 2 and the positioning cone 7, a guide rod spring 11 is sleeved on, the positioning expansion sleeve 6 is fixedly connected to the upper surface of the positioning seat 2, a rubber ring 5 is arranged on the lower portion of the outer circle of the positioning expansion sleeve 6, a dustproof cover 4 to be installed is sleeved on the lower portion of the positioning expansion sleeve 6, the outer diameter of the positioning expansion sleeve 6 is smaller than the inner diameter of the dustproof cover 4 in an initial state, and the center of the positioning expansion sleeve 6 is a taper hole which is wide at the upper part and narrow at the lower part and is in taper fit with a positioning cone 7.

When the utility model is used, the oil seal 3 is sleeved on the positioning seat 2, the dustproof cover 4 is placed on the positioning expansion sleeve 6, pressure is applied to the pressing plate 9, the pressing plate 9 drives the guide rod 12 to slowly press the positioning cone 7 into the positioning expansion sleeve 6 under the action of the guide rod spring 11, the diameter of the positioning expansion sleeve 6 is increased, the dustproof cover 4 is fixed by the rubber sealing ring 5, the pressing plate 9 drives the positioning seat 2 to continuously move downwards, the guide rod 12 is contacted with the base 1, the dustproof cover 4 is assembled in the oil seal 3 at the moment, referring to fig. 2, the pressing plate 9 is loosened, and the device returns to the position under the action of the guide rod spring 11 and the reset spring 13; and then, force is applied to the upper end face of the central shaft 14 of the positioning seat 2, the positioning seat 2 moves downwards, and the base 1 releases the assembled oil seal 3 out of the device.

Claims (1)

1. An assembling device of a dustproof cover of a bearing oil seal comprises a base and is characterized in that the upper surface of the base is sunken to form a positioning hole, a positioning seat is placed in the positioning hole and movably connected with the base through a bolt, a reset spring is sleeved on the bolt, a positioning expansion sleeve is installed on the upper surface of the positioning seat, the center of a positioning cone with a wide upper part and a narrow lower part is sleeved on the central shaft of the positioning seat, the positioning cone is positioned and connected with the positioning seat through a guide rod by a pressing plate, a guide rod spring is sleeved on the guide rod, the pressing plate and the guide rod which are placed on the upper surface of the positioning cone are connected through a positioning screw, the positioning expansion sleeve is arranged on an installation table of the positioning seat and fixedly connected with the positioning seat, a rubber ring is arranged on the lower part of the positioning expansion sleeve, the dustproof cover to be installed is sleeved on the lower part of the, and is matched with the taper of the positioning cone.

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