CN219747845U - Mounting tool for steel core sealing ring - Google Patents

Abstract

The utility model discloses a mounting tool of a steel core sealing ring, which comprises an outer disc, wherein an inner disc is rotationally connected to the inside of the outer disc, a plurality of inclined sliding grooves are fixedly connected to the side wall of the outer disc in a circumferential array mode, a plurality of sliding seats are fixedly connected to the inner side wall of the inner disc in a circumferential array mode, a sliding block is slidingly connected to the inside of each sliding seat along the diameter direction of the outer disc, the upper end of each sliding block is slidingly connected to the inside of each sliding groove and is fixedly connected with a spreading component.

Description

Mounting tool for steel core sealing ring

Technical Field

The utility model relates to the technical field of bearing sealing, in particular to a mounting tool for a steel core sealing ring.

Background

Through researches, we propose a compound sealing ring structure, namely, a polytetrafluoroethylene material is adopted as the outer skin, a steel core structure is adopted as the inner ring, and experiments prove that the compound sealing ring structure has the elasticity of the steel core and the wear resistance of a polytetrafluoroethylene ring, can obtain good sealing effect, but has some problems during installation. Firstly, a tool which can simultaneously meet the installation requirements of an outer sealing ring and an inner sealing ring is lacked; secondly, when the existing tool is used for sleeving the sealing ring outside or inside the shaft, the sealing ring is in a stretching or compressing state at the moment, and the sealing ring is difficult to be taken off from the workpiece.

For solving the problems, a mounting tool for a steel core sealing ring is provided.

Disclosure of Invention

The utility model aims to provide a mounting tool for a steel core sealing ring, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mounting tool of steel core sealing washer, includes the outer dish, the inside rotation of outer dish is connected with the inner disc, and the outer dish is in the coincidence state with the center pin of inner disc, and the outer dish includes two shells, can press from both sides the inner disc in its inside after two shell concatenation for realize the installation to the inner disc, also enable the inner disc to rotate in the inside of outer dish simultaneously, be the form fixedly connected with spout of a plurality of slope forms of circumference array on the lateral wall of outer dish, the length direction of spout is crisscross setting with the diameter of outer dish, be a plurality of slides of form fixedly connected with of circumference array on the inside wall of inner disc, a plurality of slides and a plurality of spout one-to-one set up, the inside of every slide is followed the outside on the diameter direction of dish sliding connection has the slider, the inside and fixedly connected with of slider is used for propping up the sealing washer big or pressing down struts the subassembly.

Preferably, the opening assembly comprises a stand column, a stop block is arranged at the upper end of the stand column, and support table tops are reserved at the upper end of the stand column and located on two sides of the stop block.

Preferably, the dog sliding connection is in the upper end of stand, the below of dog is equipped with the second spring that is used for upwards pushing up the dog, the inside sliding connection of slider has the pull rod, the upper end fixed connection of pull rod is on the downside of dog, just the lower extreme of pull rod runs through the lateral wall of slider and extends to its outside.

Preferably, the outer disc is fixedly provided with two fixed handles, the inner disc is fixedly provided with a movable handle, the movable handle is positioned between the two fixed handles, the side wall of the outer disc is at least fixedly connected with a fixed block, and both sides of the fixed block are respectively provided with a first spring capable of resetting the inner disc in the outer disc.

Preferably, the two sides of the sliding block are provided with third springs for assisting the sliding block to reset to the middle part of the sliding seat.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the upper end of the stop block penetrates through the upper end of the upright post through the elastic pressure of the second spring, in this state, the stop block can realize the expansion or compression of the sealing ring, when the expanded or compressed sealing ring is sleeved outside or inside the shaft, the pull rod is pulled, so that the pull rod pulls the stop block to move, at the moment, the stop block compresses the second spring and then retracts into the interior of the upright post, and after the sealing ring is loosened, the sealing ring is abutted against the side wall outside or inside the shaft through the self elastic force, so that the installation efficiency is effectively improved.

Drawings

FIG. 1 is a schematic diagram I of the overall structure of the present utility model;

FIG. 2 is a schematic diagram II of the overall structure of the present utility model;

FIG. 3 is a schematic diagram III of the overall structure of the present utility model;

FIG. 4 is an exploded view of the overall structure of the present utility model;

FIG. 5 is a schematic view of the structure of the outer disc, inner disc, movable grip, fixed block and first spring of the present utility model;

FIG. 6 is a cross-sectional view I of the utility model at the outer disk, inner disk, slide block, upright, stop and tie rod;

FIG. 7 is a cross-sectional view II of the utility model at the outer disk, inner disk, slide, slider, post, stop and drawbar.

In the figure: 1. the device comprises an outer disc, 2, an inner disc, 3, a sliding chute, 4, a sliding seat, 5, a sliding block, 6, a spreading component, 601, an upright post, 602, a stop block, 603, a supporting table top, 7, a fixed grip, 8, a movable grip, 9, a fixed block, 10, a first spring, 11, a second spring, 12, a pull rod, 13 and a third spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a mounting tool of steel core sealing washer, includes outer dish 1, the inside rotation of outer dish 1 is connected with inner disc 2, and outer dish 1 is in the coincidence state with the center pin of inner disc 2, and as shown in fig. 4, outer dish 1 includes two shells, can press from both sides inner disc 2 inside it after two shells splice for realize installing inner disc 2 in outer dish 1, also enable inner disc 2 to rotate in the inside of outer dish 1 simultaneously, be the form fixedly connected with spout 3 of a plurality of slope forms of circumference array on the lateral wall of outer dish 1, the length direction of spout 3 and the crisscross setting of diameter of outer dish 1, be the form fixedly connected with a plurality of slide 4 of circumference array on the inside wall of inner disc 2, a plurality of slide 4 and a plurality of spout 3 one-to-one set up, the inside sliding connection of every slide 4 has slider 5 along the diameter direction of outer dish 1, the upper end sliding connection of slider 5 is in the inside of spout 3 and fixedly connected with and is used for propping up or pressing down the expansion assembly 6 of sealing washer, and adopt polytetrafluoroethylene core, make the inner race and have the elasticity of polytetrafluoroethylene ring and the wear-resisting property of ring simultaneously.

As shown in fig. 2, in order to enlarge or reduce the pressure of the sealing ring, specifically, the opening assembly 6 includes a stand column 601, a stop block 602 is disposed at the upper end of the stand column 601, and support table boards 603 are disposed at the upper end of the stand column 601 and at two sides of the stop block 602;

the method for installing the sealing ring comprises the following steps: placing the sealing ring on a supporting table 603, attaching a stop block 602 to the inner wall of the sealing ring, relatively rotating the outer disc 1 and the inner disc 2 at the moment, moving the sliding block 5 along one end of the sliding groove 3 far away from the circle center of the outer disc 1, namely moving the sliding block 5 on the sliding seat 4 far away from the circle center of the outer disc 1 (performing diffusion movement on the sliding block 5), expanding the sealing ring by the stop block 602, and sleeving the expanded sealing ring on the outer wall of the shaft under the state so as to realize the installation of the sealing ring;

and a second method for installing the sealing ring is as follows: the sealing ring is placed on the supporting table 603, the stop block 602 is attached to the outer wall of the sealing ring, the outer disc 1 and the inner disc 2 are relatively rotated at the moment, the sliding block 5 moves along one end, close to the circle center of the outer disc 1, of the sliding groove 3, namely, the sliding block 5 moves (the sliding block 5 performs shrinkage movement) on the sliding seat 4, the sealing ring is compressed by the stop block 602, and in the state, the compressed sealing ring can be clamped into the inner wall of the shaft, so that the sealing ring is installed.

As shown in fig. 6 and 7, in a state that the sealing ring is propped up or compressed by the propping up assembly 6, in order to easily remove the sealing ring from the propping up assembly 6, specifically, the stop 602 is slidably connected to the upper end of the upright 601, a second spring 11 for pushing up the stop 602 is arranged below the stop 602, a pull rod 12 is slidably connected to the inside of the sliding block 5, the upper end of the pull rod 12 is fixedly connected to the lower side surface of the stop 602, and the lower end of the pull rod 12 penetrates through the side wall of the sliding block 5 and extends to the outside;

as shown in fig. 6, under the spring force of the second spring 11, the upper end of the stop block 602 penetrates through the upper end of the upright post 601, in this state, after the sealing ring is placed on the supporting table 603, the sealing ring on the supporting table 603 is blocked by the stop block 602, so that the sealing ring can be expanded or compressed, when the expanded or compressed sealing ring is taken down (when the sealing ring is sleeved outside or inside the shaft), the pull rod 12 is pulled, so that the pull rod 12 pulls the stop block 602 to move, when the stop block 602 compresses the second spring 11 and then retracts into the upright post 601 (as shown in fig. 7), and after the sealing ring is released, the sealing ring is abutted against the side wall outside or inside the shaft under the action of self elasticity.

As shown in fig. 1, 4 and 5, in order to drive the inner disc 2 to slide inside the outer disc 1 so as to realize that the sliding block 5 drives the opening assembly 6 to move in a dispersing or gathering manner, specifically, two fixed grips 7 are fixedly installed on the outer disc 1, a movable grip 8 is fixedly installed on the inner disc 2 and is positioned between the two fixed grips 7, at least one fixed block 9 is fixedly connected to the side wall of the outer disc 1, first springs 10 capable of resetting the inner disc 2 inside the outer disc 1 are arranged on both sides of the fixed block 9, one ends of the first springs 10 are fixedly connected to the fixed blocks 9, the other ends of the first springs 10 are fixedly connected to the inner disc 2, the first springs 10 spring the inner disc 2 under the action of no force on the inner disc 2, so that the sliding block 5 slides to the middle position of the sliding groove 3, and at the moment, the movable grip 8 rotates to the middle position of the two fixed grips 7;

the movable handle 8 and any fixed handle 7 are mutually pinched, so that the movable handle 8 moves towards one side of the fixed handle 7, the movable handle 8 drives the inner disc 2 to rotate in the outer disc 1, when the inner disc 2 rotates in the outer disc 1, the sliding block 5 can be caused to slide in the sliding groove 3, the sliding block 5 carries the opening assembly 6 to be dispersed or gathered, and when the movable handle 8 is released, the movable handle 8 is caused to rotate to the middle position of the two fixed handles 7 under the elastic pressure of the first spring 10.

As shown in fig. 4 and 5, in order to assist the sliding block 5 to slide back to the middle of the sliding seat 4, specifically, the two sides of the sliding block 5 are provided with a third spring 13 for assisting the sliding block 5 to slide back to the middle of the sliding seat 4, after the sliding block 5 slides in the sliding seat 4, the sliding block 5 compresses the third spring 13 on one side of the sliding direction, and at this time, the sliding block 5 is favorable to slide back towards the middle of the sliding seat 4 by the elastic force of the third spring 13.

Claims (5)

1. The utility model provides a mounting tool of steel core sealing washer, includes outer dish (1), its characterized in that: the inside rotation of outer dish (1) is connected with interior dish (2), be form fixedly connected with a plurality of inclined spouts (3) of circumference array on the lateral wall of outer dish (1), be form fixedly connected with a plurality of slides (4) of circumference array on the inside wall of interior dish (2), a plurality of slides (4) set up with a plurality of spouts (3) one-to-one, and sliding connection has slider (5) in the inside of every slide (4) along the diameter direction of outer dish (1), the upper end sliding connection of slider (5) struts subassembly (6) that are used for propping up or press the sealing washer big or little in the inside and fixedly connected with of spout (3).

2. The installation tool for a steel core seal ring according to claim 1, wherein: the opening assembly (6) comprises an upright post (601), a stop block (602) is arranged at the upper end of the upright post (601), and support table tops (603) are reserved at the upper end of the upright post (601) and located at two sides of the stop block (602).

3. The installation tool for a steel core seal ring according to claim 2, wherein: the stopper (602) sliding connection is in the upper end of stand (601), the below of stopper (602) is equipped with second spring (11) that are used for upwards pushing up stopper (602), the inside sliding connection of slider (5) has pull rod (12), the upper end fixed connection of pull rod (12) is on the downside of stopper (602), just the lower extreme of pull rod (12) runs through the lateral wall of slider (5) and extends to its outside.

4. The installation tool for a steel core seal ring according to claim 1, wherein: two fixed handles (7) are fixedly mounted on the outer disc (1), a movable handle (8) is fixedly mounted on the inner disc (2), the movable handle (8) is located between the two fixed handles (7), at least one fixed block (9) is fixedly connected to the side wall of the outer disc (1), and first springs (10) are arranged on two sides of the fixed block (9).

5. The installation tool for a steel core seal ring according to claim 1, wherein: and third springs (13) for assisting the sliding block (5) to reset to the middle part of the sliding seat (4) are arranged on two sides of the sliding block (5).