CN212146235U

CN212146235U - Oil seal mounting tool

Info

Publication number: CN212146235U
Application number: CN202020730434.8U
Authority: CN
Inventors: 韩英平; 徐倩; 林丹
Original assignee: Shanghai Maizhihua Seal Co Ltd
Current assignee: Shanghai Maizhihua Seal Co Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-15
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to an oil blanket technical field, specificly disclose an oil blanket mounting tool, including the rolling disc, second connecting axle and first connecting axle, the coaxial fixed connection in the one end of second connecting axle in opposite side of rolling disc, the other end lateral wall of second connecting axle is seted up screw thread and screw thread nestification and is overlapped inside one end in hollow rotation, the other end of rotating the cover is seted up the one end of screw thread and the nested first connecting axle of screw thread equally, the other end of first connecting axle is pressed fixed connection on the one side lateral wall of limiting plate, range nut and set nut are fixed in proper order to the other end lateral wall of limiting plate, set nut passes through connecting rod fixedly connected with hexagonal and rotates the head. The second connecting shaft and the first connecting shaft are provided with embedded cavities near the near ends, the rotating sleeve is internally provided with limiting columns, and the embedded cavities are embedded at two ends of the limiting columns. The utility model discloses the advantage: simple structure, convenient operation, strong applicability, convenient adjustment and convenient popularization and implementation.

Description

Oil seal mounting tool

Technical Field

The utility model relates to an oil blanket technical field specifically is an oil blanket mounting tool.

Background

The duplex lubricating oil filter consists of two filter cartridges, and lubricating oil only passes through one filter element when circulating. The device has the advantages that when the oil filtration differential pressure is high, the device can be switched to the standby side to operate without interrupting the circulation of the lubricating oil, the service life is prolonged, and the device is prevented from being damaged due to the interruption of the lubricating oil. Therefore, in the important oil circulation system, a duplex lubricating oil filter is adopted. When the duplex lubricating oil filter is used, in order to ensure the cleanness of the oil filter at the standby side, a reliable oil seal must be installed at the switching valve, so that the phenomenon that the filter element is blocked due to oil circulation inside when the standby side is not put into use is prevented. Therefore, the oil seals must be replaced periodically and the installation process is guaranteed to be correct.

Chinese patent (publication No. CN 209970630U, publication No. 2020.01.21) discloses an oil seal installation tool, which comprises a wrench part for clamping and screwing a compression nut and a wrench straight rod connected with the wrench part; the wrench is characterized by further comprising a limiting part for controlling the straight rod of the wrench to be screwed into the compression nut twice before and after the compression nut is installed and disassembled, and the stroke of the straight rod of the wrench is equal to that of the compression nut twice before and after the compression nut is disassembled. The utility model provides an oil blanket mounting tool, the precession stroke of spanner straight-bar when demolising and installing gland nut through spacing portion control is the same, makes gland nut before demolising unanimous with the elasticity degree after the secondary installation, has ensured that the oil blanket installation targets in place. The mounting tool cannot be adjusted according to the position of the compression nut, so that the mounting tool is not strong in applicability and inconvenient to popularize and implement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil blanket mounting tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an oil seal installation tool comprises a rotating disc, a second connecting shaft and a first connecting shaft. The one end side fixedly connected with protrusion of rolling disc, the coaxial fixed connection in the one end of second connecting axle in opposite side of rolling disc, the other end lateral wall of second connecting axle is seted up screw thread and screw thread nestification is at the inside one end of hollow rotation cover, the other end of rotation cover is seted up the same one end of screw thread and the nested first connecting axle of screw thread, the other end of first connecting axle is according to fixed connection on the one side lateral wall of limiting plate, the screw thread opposite direction on second connecting axle and the first connecting axle, range nut and set nut are fixed in proper order to the other end lateral wall of limiting plate, set nut passes through connecting rod fixedly connected with hexagonal swivel head, swivel head can rotate the connecting rod through the hexagonal, thereby be convenient for first connecting axle and second connecting axle drive the rolling disc and rotate. Twist and move the rotating sleeve to make first connecting axle and second connecting axle draw close inwards or separate to both ends, thereby confirm the relative position between this first connecting axle and the second connecting axle, with this position between regulation limiting plate and the rolling disc, thereby the distance between different end covers to gland nut of adaptation has improved the adaptability of instrument. The second connecting shaft and the first connecting shaft are provided with embedded cavities near the near ends, the rotating sleeve is internally provided with limiting columns, and the embedded cavities are embedded at two ends of the limiting columns.

As a further aspect of the present invention: the outer side wall of the end, close to the first connecting shaft and the second connecting shaft, is marked with scale marks, and the arrangement of the scale marks is convenient for quantitatively controlling the relative positions of the first connecting shaft and the second connecting shaft, so that the adjustment is more accurate.

As a further aspect of the present invention: the inner hexagonal groove is formed in the outer side wall of the rotating sleeve, and the inner hexagonal wrench can be conveniently inserted into the inner hexagonal groove due to the arrangement of the inner hexagonal groove, so that the rotating torque of the rotating sleeve is increased, and the rotating sleeve can rotate more conveniently and quickly.

As a further aspect of the present invention: the limiting column and the nesting cavity are both of polygon prism structures, so that the relative rotation of the first connecting shaft and the second connecting shaft in the adjusting process is avoided, and the adjustment is convenient and fast.

As a further aspect of the present invention: the end parts of the nesting cavity and the limiting column are of convex structures, so that the limiting column is prevented from sliding out of the nesting cavity, the positions of the first connecting shaft and the second connecting shaft are limited, and the integration of the tool is increased.

As a further aspect of the present invention: the inner side wall of the end part of the nested cavity in the first connecting shaft and the second connecting shaft is provided with a plurality of balls in a rotating mode, the outer side wall of the limiting column is provided with a ball groove in the same direction as the limiting column, and the balls are nested in the ball groove, so that the relative rotation of the first connecting shaft and the second connecting shaft can be limited, and meanwhile, the friction force between the first connecting shaft, the second connecting shaft and the limiting column is also reduced.

As a further aspect of the present invention: the end parts of the two ends of the ball groove do not penetrate through the limiting columns, so that the positions of the first connecting shaft and the second connecting shaft can be limited.

Compared with the prior art, the beneficial effects of the utility model are that: twist and move the rotating sleeve to make first connecting axle and second connecting axle draw close inwards or separate to both ends, thereby confirm the relative position between this first connecting axle and the second connecting axle, with this position between regulation limiting plate and the rolling disc, thereby the distance between different end covers to gland nut of adaptation has improved the adaptability of instrument. Adjust convenient and fast through spacing post restriction second connecting axle and first connecting axle, the utility model discloses the advantage: simple structure, convenient operation, strong applicability, convenient adjustment and convenient popularization and implementation.

Drawings

Fig. 1 is a schematic perspective view of an oil seal installation tool.

Fig. 2 is a schematic view of the internal structure of an embodiment 1 of an oil seal installation tool.

Fig. 3 is a schematic view of the internal structure of an embodiment 2 of an oil seal installation tool.

In the figure, a hexagonal rotating head 1, a connecting rod 2, a positioning nut 3, a distance measuring nut 4, a limiting plate 5, a first connecting shaft 6, a rotating sleeve 7, an inner hexagonal groove 8, a second connecting shaft 9, a rotating disc 10, a protrusion 11, a limiting column 12, a nesting cavity 13, a ball 14 and a ball groove 15.

Detailed Description

In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-2, an oil seal installation tool includes a rotary disk 10, a second connecting shaft 9 and a first connecting shaft 6. The side face of one end of the rotating disc 10 is fixedly connected with a bulge 11, the other side edge of the rotating disc 10 is coaxially and fixedly connected with one end of a second connecting shaft 9, the outer side wall of the other end of the second connecting shaft 9 is provided with threads which are nested at one end inside a hollow rotating sleeve 7, the other end of the rotating sleeve 7 is also provided with threads which are nested at one end of a first connecting shaft 6, the other end of the first connecting shaft 6 is fixedly connected with one side wall of a limiting plate 5, the directions of the threads on the second connecting shaft 9 and the first connecting shaft 6 are opposite, the side wall of the other end of the limiting plate 5 is sequentially fixed with a distance measuring nut 4 and a positioning nut 3, the positioning nut 3 is fixedly connected with a hexagonal rotating head 1 through a connecting rod 2, thereby facilitating the first connecting shaft 6 and the second connecting shaft 9 to drive the rotating disc 10 to rotate, thereby completing the installation. The rotating sleeve 7 is screwed, so that the first connecting shaft 6 and the second connecting shaft 9 are inwardly closed or separated from each other towards two ends, the relative position between the first connecting shaft 6 and the second connecting shaft 9 is determined, the position between the limiting plate 5 and the rotating disc 10 is adjusted, the distance between different end covers and the compression nut is adapted, and the applicability of the tool is improved.

The second connecting shaft 9 and the first connecting shaft 6 are close to each other and provided with a nesting cavity 13, the rotating sleeve 7 is internally provided with a limiting column 12, the nesting cavities 13 are nested at two ends of the limiting column 12, and the limiting column 12 and the nesting cavity 13 are both of polygon prism structures, so that relative rotation of the first connecting shaft 6 and the second connecting shaft 9 in the adjusting process is avoided, and the adjustment is convenient and fast. The end parts of the nesting cavity 13 and the limiting column 12 are both in a convex structure, so that the limiting column 12 is prevented from sliding out of the nesting cavity 13, the positions of the first connecting shaft 6 and the second connecting shaft 9 are limited, and the integrity of the tool is improved. The inner hexagonal groove 8 has been seted up to the lateral wall of rotating sleeve 7, and the setting of inner hexagonal groove 8 is convenient for insert the inside in hexagonal groove 8 with the allen key to increased and rotated 7 pivoted moments of rotating sleeve, made the rotation of rotating sleeve 7 convenient and fast more. The outer side wall, close to the end, of the first connecting shaft 6 and the second connecting shaft 9 is marked with scale marks, and the relative positions of the first connecting shaft 6 and the second connecting shaft 9 are conveniently and quantitatively controlled by the aid of the scale marks, so that the adjustment is more accurate.

The utility model discloses a theory of operation is: adjust first connecting axle 6 and 9 relative position of second connecting axle as required, twist and move and rotate cover 7 to make first connecting axle 6 and 9 inside draw close or to the separation of both ends of second connecting axle, thereby confirm the relative position between this first connecting axle 6 and the rotation cover 7, adjust the position between limiting plate 5 and the rolling disc 10 with this, thereby adapt to the distance between different end covers to gland nut, improved the ability on probation of instrument. Firstly, the positioning nut 3 and the distance measuring nut 4 are abutted to the limiting plate 5, and the first connecting shaft 6 is attached to the end cover. Then the hexagonal rotating head 1 is screwed in outwards, the limiting plate 5 moves outwards relative to the end cover, the positioning nut 3, the distance measuring nut 4 and the limiting plate 5 which are tightly attached to the limiting plate 5 are adjusted, the limiting plate 5 is enabled to always abut against the end cover until the compression nut and the oil seal are taken out,

example 2

Referring to fig. 3, on the basis of embodiment 1, a plurality of balls 14 are rotatably disposed on the inner side walls of the end portions of the nesting cavities 13 inside the first connecting shaft 6 and the second connecting shaft 9, ball grooves 15 in the same direction as the limiting posts 12 are formed on the outer side walls of the limiting posts 12, and the balls 14 are nested inside the ball grooves 15, so that the relative rotation of the first connecting shaft 6 and the second connecting shaft 9 can be limited, and meanwhile, the friction force among the first connecting shaft 6, the second connecting shaft 9 and the limiting posts 12 is also reduced. The ball grooves 15 do not penetrate the limiting columns 12 at the two ends, so that the positions of the first connecting shaft 6 and the second connecting shaft 9 can be limited.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present 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

1. An oil seal installation tool comprises a rotating disc (10), a second connecting shaft (9) and a first connecting shaft (6), wherein a protrusion (11) is fixedly connected to the side face of one end of the rotating disc (10), the other side face of the rotating disc (10) is coaxially and fixedly connected to one end of the second connecting shaft (9), the oil seal installation tool is characterized in that the outer side wall of the other end of the second connecting shaft (9) is provided with a thread and the thread is embedded in one end of the inner portion of a hollow rotating sleeve (7), the other end of the rotating sleeve (7) is also provided with a thread and the thread is embedded in one end of the first connecting shaft (6), the other end of the first connecting shaft (6) is fixedly connected to one side wall of a limiting plate (5), the thread directions of the second connecting shaft (9) and the first connecting shaft (6) are opposite, a distance measuring nut (4) and a positioning nut (3) are sequentially, the positioning nut (3) is fixedly connected with a hexagonal rotating head (1) through a connecting rod (2);

the end, close to each other, of the second connecting shaft (9) and the first connecting shaft (6) is provided with a nesting cavity (13), a limiting column (12) is arranged inside the rotating sleeve (7), and the nesting cavity (13) is nested at two ends of the limiting column (12).

2. An oil seal installation tool according to claim 1, wherein the outer side walls of the near ends of the first connecting shaft (6) and the second connecting shaft (9) are marked with scale lines.

3. An oil seal installation tool according to claim 1, characterized in that the outer side wall of the rotating sleeve (7) is provided with an inner hexagonal groove (8).

4. An oil seal installation tool according to any one of claims 1 to 3, characterized in that the limiting column (12) and the nesting cavity (13) are both of a polygonal prism structure.

5. An oil seal installation tool according to claim 4, characterized in that the end parts of the embedding cavity (13) and the limiting column (12) are both in a convex structure.

6. The oil seal mounting tool according to any one of claims 1 to 3, wherein a plurality of balls (14) are rotatably arranged on the inner side wall of the end portion of the nesting cavity (13) inside the first connecting shaft (6) and the second connecting shaft (9), the outer side wall of the limiting column (12) is provided with a ball groove (15) in the same direction as the limiting column (12), and the balls (14) are nested inside the ball groove (15).

7. An oil seal installation tool according to claim 6, wherein the ball groove (15) is provided with two end portions which do not penetrate through the limiting column (12).