CN216759751U

CN216759751U - Special tool for replacing sealing ring of reverse osmosis membrane insert

Info

Publication number: CN216759751U
Application number: CN202220251172.6U
Authority: CN
Inventors: 黄培荣; 马宝辉; 曲巍; 刘立明; 王宁
Original assignee: FAW Volkswagen Automotive Co Ltd; Volkswagen AG
Current assignee: FAW Volkswagen Automotive Co Ltd; Volkswagen AG
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-06-17
Anticipated expiration: 2032-01-28

Abstract

A special tool for replacing a sealing ring of a reverse osmosis membrane insert comprises a base, an upper stud, a lower stud, a rotating device and a supporting part. The lower end of the lower stud is fixed on the base, the lower stud is in threaded connection with the lower end of the rotating device, the upper stud is in threaded connection with the upper end of the rotating device, and the upper end of the upper stud is fixedly connected with the supporting part. The axes of the upper stud and the lower stud are collinear, and the rotating device is rotated to adjust the distance between the supporting part and the base. Preferably, the support part is a bearing, and the upper end of the upper stud is fixedly connected with the inner ring of the bearing. The rotating device is made by welding two nuts and three upright posts. Place reverse osmosis membrane insert in reverse osmosis membrane's port department, utilize the supporting part of this instrument to withstand reverse osmosis membrane insert, the rotary device of this instrument of screwing lifts reverse osmosis membrane insert to the top of port, installs the snap ring to the draw-in groove of bottommost in, takes out this instrument again, accomplishes the change.

Description

Special tool for replacing sealing ring of reverse osmosis membrane insert

Technical Field

The utility model relates to the technical field of disassembling and assembling tools, in particular to a special tool for replacing a sealing ring of a reverse osmosis membrane insert.

Background

In large scale reverse osmosis membrane module equipment, reverse osmosis membrane inserts are used as a coupling between two reverse osmosis membranes. Referring to fig. 1 and 2, after the seal ring 8 of the reverse osmosis membrane insert 7 is replaced, that is, after a new seal ring 08 is installed in the seal groove 10, the snap ring 9 on the reverse osmosis membrane insert 7 needs to be clamped into the clamping groove 11 at the bottommost part of the reverse osmosis membrane insert, otherwise, water will leak from the seal ring 8 on the reverse osmosis membrane insert. Reverse osmosis membrane insert 7 is circular, holds the difficulty, and power is not enough when lifting the installation with the hand, hardly blocks the snap ring to the bottommost, leads to the sealing washer installation not in place or misplaces, causes the sealing washer damage to leak in the use.

In view of the above problems, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a special tool for replacing a sealing ring of a reverse osmosis membrane insert, which adopts the technical scheme that:

the special tool for replacing the sealing ring of the reverse osmosis membrane insert comprises a base, an upper stud, a lower stud, a rotating device and a supporting part;

the lower end of the lower stud is fixed on the base, the lower stud is in threaded connection with the lower end of the rotating device, the upper stud is in threaded connection with the upper end of the rotating device, and the upper end of the upper stud is fixedly connected with the supporting part;

the axes of the upper stud and the lower stud are collinear, and the rotating device is rotated to adjust the distance between the support part and the base.

Furthermore, the supporting part is a bearing, and the upper end of the upper stud is fixedly connected with an inner ring of the bearing.

Further, the bottom surface of base is the arcwall face.

Further, the rotating device comprises an upright post, an upper nut and a lower nut, wherein the upper nut and the lower nut are respectively fixed at the upper end and the lower end of the upright post and are respectively in threaded connection with the upper stud and the lower stud.

Furthermore, the number of the stand columns is three, the stand columns are evenly distributed along the circumferential direction, and the stand columns are fixedly connected with the outer walls of the upper nut and the lower nut.

Further, the supporting part is a nylon round block.

Furthermore, the special tool also comprises a bottom nut, the bottom nut is fixed on the upper surface of the base, and the lower stud is fixed on the base through the bottom nut.

The utility model provides a special tool for replacing a sealing ring of a reverse osmosis membrane insert, which can easily lift the reverse osmosis membrane insert in place and clamp a clamping ring into a bottommost clamping groove to complete the replacement work of the sealing ring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a conventional reverse osmosis membrane insert and a seal ring and a snap ring;

FIG. 2 is a front projection side view of FIG. 3;

FIG. 3 shows a front view of a special tool for reverse osmosis membrane insert seal ring replacement according to an embodiment of the utility model;

FIG. 4 shows a perspective view of a special tool for reverse osmosis membrane insert seal ring replacement according to an embodiment of the utility model;

FIG. 5 illustrates a state diagram for use of a specialized tool of an embodiment of the present invention;

fig. 6 is a left side view of fig. 5.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 3, in the present embodiment, the special tool mainly used for replacing a seal ring on a reverse osmosis membrane insert comprises a base 1, an upper stud 5, a lower stud 3, a rotating device 4 and a support part 6. The lower end of the lower stud 3 is fixed on the base 1, the lower stud 3 is in threaded connection with the lower end of the rotating device 4, the upper stud 5 is in threaded connection with the upper end of the rotating device 4, and the upper end of the upper stud 5 is fixedly connected with the supporting part 6. The axes of the upper stud 5 and the lower stud 3 are collinear, and the rotating means 4 is turned to adjust the distance between the support 6 and the base 1.

Preferably, the support part 6 is a bearing, and the upper end of the upper stud 5 is fixedly connected with the inner ring of the bearing. The bearing is adopted as the supporting part 6, so that the circumferential force generated by the rotating device 4 on the supporting part 6 can be eliminated in the process of lifting the reverse osmosis membrane insert 7, the operation is more labor-saving, and the using effect is better. It is understood that the support portion may be a nylon round block or a round iron block instead of the bearing, but the bearing is preferred because it is inexpensive, easily available, and freely rotatable.

Referring to fig. 1, fig. 2, fig. 5, fig. 6, the use method of the special tool:

1. installing a new seal ring 8 into a seal groove 10 on the reverse osmosis membrane insert 7;

2. placing the reverse osmosis membrane insert 7 at the port of the reverse osmosis membrane 100, and pressing the reverse osmosis membrane insert 7 by using the supporting part 6 of the special tool to make the reverse osmosis membrane insert 7 in the state shown in fig. 5 and 6;

3. screwing a rotating device 4 of a special tool, lifting the reverse osmosis membrane insert 7 to the uppermost end of the port of the reverse osmosis membrane 100, and installing a clamping ring 9 into a clamping groove 11 at the bottommost part;

4. the rotating device 4 of the special tool is rotated clockwise, and then the special tool is drawn out to complete the replacement of the sealing ring 8.

In a more specific embodiment, as shown in fig. 4, the bottom surface of the base 1 is curved to match the inner diameter of the reverse osmosis membrane 100 to facilitate support and positioning. The rotating device 4 comprises a vertical column 41, an upper nut 43 and a lower nut 42, wherein the upper nut 43 and the lower nut 42 are respectively fixed at the upper end and the lower end of the vertical column 41 and are respectively in threaded connection with the upper stud 5 and the lower stud 3. The three upright columns 41 are uniformly distributed along the circumferential direction and fixedly connected with the outer walls of the upper nuts 43 and the lower nuts 42. The upper surface of the base 1 is fixed with a bottom nut 2, and a lower stud 3 is fixed on the base 1 through the bottom nut 2.

The base 1 is used for supporting a bottom nut 2, a lower stud 3, a rotating device 4, an upper stud 5 and a supporting part 6. The bottom nut 2 is used for locking and fixing the lower stud 3 and the base 1. The lower stud 3 and the upper stud 5 are used for lifting the reverse osmosis membrane insert 7 when the rotating device 4 rotates clockwise, and the supporting part 6 falls back when the rotating device rotates anticlockwise, so that the special tool is convenient to draw out. The rotating device 4 functions as a power input and conversion device, and is welded using two

nuts

42, 43 and three columns 41. The support portion 6 functions to support the reverse osmosis membrane insert 7.

It should be noted that, through changing the double-screw bolt of different length, can make the specialized tool that is used for the installation of various size reverse osmosis membrane insert sealing washer, this specialized tool also can be used for installing other work pieces in narrow and small space.

The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the utility model can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the utility model are not excluded from the protection scope of the utility model.

Claims

1. A special tool for replacing a sealing ring of a reverse osmosis membrane insert is characterized by comprising a base, an upper stud, a lower stud, a rotating device and a supporting part;

2. The special tool for replacing a ro membrane insert seal ring according to claim 1, wherein the support portion is a bearing, and the upper end of the upper stud is fixedly connected with an inner ring of the bearing.

3. The special tool for reverse osmosis membrane insert seal ring replacement of claim 2, wherein the bottom surface of the base is an arc-shaped surface.

4. The special tool for replacing a ro membrane insert gasket of claim 1 wherein said rotating means comprises a post, an upper nut and a lower nut, said upper nut and said lower nut being fixed to the upper and lower ends of said post respectively and being threadedly connected to said upper and lower studs respectively.

5. The special tool for replacing a reverse osmosis membrane insert sealing ring according to claim 4, wherein the number of the stand columns is three, and the stand columns are uniformly distributed along the circumferential direction and fixedly connected with the outer walls of the upper nut and the lower nut.

6. The special tool for reverse osmosis membrane insert seal ring replacement of claim 1, wherein the support portion is a nylon nub.

7. The special tool for replacing a reverse osmosis membrane insert sealing ring according to claim 1, further comprising a bottom nut fixed to the upper surface of the base, wherein the lower stud is fixed to the base through the bottom nut.