CN209936822U - Portable reverse osmosis membrane shell extracting tool - Google Patents

Abstract

The utility model discloses a portable reverse osmosis membrane shell extracting tool. The dismounting tool comprises a central shaft which can be connected to a reverse osmosis membrane end cover through threads, and a supporting plate, wherein a round hole is formed in the center of the supporting plate, the supporting plate can be sleeved on the central shaft, one end of the central shaft is a fixed stud connected with a fresh water outlet of the reverse osmosis membrane end cover, the other end of the central shaft is a fixed hexagonal column which has a concentric shaft with the fixed stud, and one end, close to the fixed stud, of the central shaft is also provided with a loose hexagonal column; the axis truck outside be equipped with even screw thread, through screw thread fixedly connected with drive nut, extracting tool still includes the drive disk assembly who is used for driving drive nut and fixed hexagonal post. When the device is operated, the middle shaft is connected with the fresh water port in the center of the end cover, the supporting plate penetrates through the middle shaft and transversely arranged on the outer side of the membrane shell, the driving nut is sleeved at the trunk position of the middle shaft, and the membrane end cover is forced to move out by clockwise rotation under the action of the push rod.

Description

Portable reverse osmosis membrane shell extracting tool

Technical Field

The utility model relates to a portable specialized tool that reverse osmosis membrane shell was dismantled belongs to water treatment engineering technical field.

Background

In recent years, the water treatment technology of the reverse osmosis membrane method is more and more widely applied in the water treatment field of various industries. When reverse osmosis equipment needs off-line cleaning or membrane element replacement, the membrane shell end cover needs to be stopped and detached to take out the membrane element. Particularly in the field of reclaimed water reuse, sudden pollution of the membrane element is easily caused by water quality fluctuation, and the membrane element also needs to be stopped and detached for detection or maintenance. When the membrane shell is disassembled, the common means for disassembling the end cover are as follows: after the retaining ring fixing screw and the crescent retaining ring on the membrane shell end cover are removed, a T-shaped long screw (or a long screw with one end welded with a stainless steel circular ring) is screwed into a screw hole of the retaining ring fixing screw on the membrane end cover; after the screw rod is fixed, the screw rod is pulled by both hands simultaneously, and theoretically, the end cover can be pulled out if the force is large enough; or the method for saving strength is that a strip-shaped thick wood plate is transversely placed in the middle of the end face of the membrane shell, a crow bar penetrates through a ring of a long screw rod, the inner side of the ring is used as a stress point, the center of the wood plate is used as a fulcrum, and the end cover is pried to be separated from the membrane shell. The tool used by the method is simple in shape and easy to process, but when the membrane shell end cover is pried, the stress uniformity of the end cover is greatly influenced by the experience of an operator, and the threaded hole of the retaining ring fixing screw and the inner wall of the membrane shell are easily damaged physically; especially, when the membrane element is seriously polluted, salt scale or other mixed pollutants accumulated between the end cover and the membrane shell can cause the end cover and the membrane shell to be tightly extruded and difficult to take out, and the damage to components can be more easily caused by adopting the traditional method to disassemble the membrane shell end cover. Although the patent product with application number 201621155277.2 has the dual function of detaching the membrane shell end cover and the membrane element, when detaching the membrane end cover, it is still very laborious to pull the main rod to make the end cover detach from the membrane shell only by manpower and both hands, and the design of this kind of tool is comparatively complicated, and is bulky, not portable. The patent product of application number 201620951541.7, its characteristics lie in adopting the large-size disc hand wheel as the handle, and the joint groove of card, connecting rod and the fixed welding of hand wheel are in the same place, and the delivery port on joint groove and the end cover is fixed during the operation, and it is rotatory the end cover gradually to rock the hand wheel about, then the manpower pulls out the membrane shell to the end cover is hard, and this kind of instrument is bulky, uses hard, portable not.

Disclosure of Invention

The after-sale service personnel who undertakes in the water treatment trade often need to carry specialized tool and keep up with the job site, uses hard and bulky portable's problem not convenient for in order to solve current extracting tool, the utility model provides a portable reverse osmosis membrane shell extracting tool, this instrument not only the small and exquisite portable of external dimension, only need one-man operation moreover in the dismantlement in-process, thereby order about the drive nut rotation through the lever arm of force and drive the end cover and shift out the membrane shell, greatly reduced artifical intensity of labour to improve work efficiency. Additionally, adopt the utility model discloses the instrument is operated, can make membrane shell and end cover part atress even, and the membrane shell component is difficult for receiving the damage, operation process safe and reliable.

The utility model provides a technical scheme that its technical problem adopted is: according to several problems existing in the process of disassembling the membrane end cover by using the current special tool, the tool for disassembling the membrane end cover is designed into four key parts, namely a central shaft, a support plate, a driving nut and a driving part, which are convenient to assemble, wherein the central shaft plays a role in fixing the end cover and bearing a force, the support plate plays a role in bearing power in the operation process, and the driving nut and the push rod are taken as a power source together. The method is realized by the following technical scheme:

a portable reverse osmosis membrane shell detaching tool comprises a center shaft and a supporting plate, wherein the center shaft can be connected to a reverse osmosis membrane end cover through threads, the supporting plate is provided with a round hole in the center and can be sleeved on the center shaft, one end of the center shaft is provided with a fixing stud connected with a fresh water outlet of the reverse osmosis membrane end cover, the other end of the center shaft is provided with a fixing hexagonal column which is concentric with the fixing stud, and one end, close to the fixing stud, of the center shaft is also provided with a loosening hexagonal column; the axis truck outside be equipped with even screw thread, through screw thread fixedly connected with drive nut, extracting tool still includes the drive disk assembly who is used for driving drive nut and fixed hexagonal post. The driving part is preferably a long-arm wrench or a push rod.

In the above technical solution, the driving nut and the driving part are replaced by a combined push rod.

In the technical scheme, the diameter of the middle shaft trunk part is more than 1.5 times of the inner diameter of the membrane shell fresh water gap.

The fresh water mouth size in the middle of the industry membrane shell end cover is 1 inch, and the threaded connection who adopts novel instrument is fixed, strengthens the fastening through the fixed hexagonal post of concentric shaft rear, makes the fixed double-screw bolt and the membrane end cover firm in connection of instrument front end, guarantees the stability in the instrument use. The outer side of the middle shaft body is provided with uniform threads which are matched with the internal threads of the driving nut. When in use, the supporting plate is transversely arranged on the end surface of the membrane shell, and the round hole in the center of the supporting plate enables the middle shaft to pass through. When the device works, the driving nut is brought into the thread on the middle shaft from the rear part of the middle shaft, the driving nut is screwed clockwise through the rotation of the push rod, the rotating force of the nut acts on the supporting plate, at the moment, the driving nut and the end cover are relatively static in the tube pass direction of the membrane shell, and the middle shaft and the end cover are driven to extend out of the membrane shell along the tube pass direction.

The utility model has the advantages that the tool gets rid of the usage of hard pulling of the end cover by manpower in the using process, the end cover loosening and the end cover detaching can be synchronously carried out by acting the push rod on the rotary driving nut, the labor is saved and the speed is high, the central stress of the end cover is uniform under the rotation action of the driving nut, and the membrane shell element cannot be damaged; and the tool is small in design, can be easily assembled and disassembled, and is convenient for technical service personnel in the industry to carry about or a workshop to process and use by oneself (both nylon plates and metal plates are adopted).

Drawings

Fig. 1 is a schematic view of the appearance of the portable reverse osmosis membrane shell detaching tool of the present invention.

Fig. 2 is a cross-sectional view of the bottom bracket of fig. 1.

Fig. 3 is an external view of the support plate in fig. 1.

Fig. 4 is an external view of the drive nut of fig. 1.

Fig. 5 is an external view of the putter of fig. 1.

Fig. 6 is an appearance view of several industrial reverse osmosis membrane end caps currently on the market.

Fig. 7 is a schematic structural view of the appearance of the combination putter used in example 2.

In the figure, 1, a middle shaft, 2, a fixed stud, 3, a fixed hexagonal column, 4, a loose hexagonal column, 5, a supporting plate, 6, a driving nut, 7, a push rod, 8, a retaining ring, 9, a fresh water port, 10, an original/concentrated water port and 11, a combined push rod are arranged.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1-5, the utility model discloses portable reverse osmosis membrane shell extracting tool comprises axis 1, backup pad 5, drive nut 6, push rod 7 four parts, axis 1 and reverse osmosis membrane end cover fresh water outlet connection one end be fixing stud 2, the other end is fixing hexagonal column 3, wherein fixing hexagonal column 3 and fixing stud 2 are concentric shaft setting on axis 1, and the one end that is close to fixing stud 2 on axis 1 still is equipped with not hard up hexagonal column 4; the fixing stud 2, the fixing hexagonal column 3 and the loosening hexagonal column 4 are components of a central shaft and can be fixed into a whole or formed into a whole by welding. The outer wall of the fixing stud 2 is provided with an external thread corresponding to the internal thread of the fresh water port of the membrane end cover and used for connecting the middle shaft with the end cover. The outer side of the middle shaft body is provided with uniform threads, the driving nut 6 is fixedly connected with the threads, the dismounting tool also comprises a push rod 7 for driving the driving nut or fixing the hexagonal column, and the push rod 7 can also be replaced by a long-arm wrench.

When the membrane end cover is not detached, the plane of the fresh water port is lower than the end face of the membrane shell, so that the fixing stud 2 and the fresh water port cannot be screwed firmly, and the push rod 7 is required to drive the fixing hexagonal column 3 to screw the fixing stud. When the end cover is detached, the fixing stud is connected with the fresh water port too tightly and cannot be detached frequently, and at the moment, the push rod 7 is required to drive the loosened hexagonal column 4 to unscrew the fixing stud and take down the tool.

In the embodiment 1, before operation, the reverse osmosis membrane equipment needs to be shut down, and the pressure pipeline needs to be depressurized, so as to ensure the safety of operators. Before the membrane end cover is disassembled, all the retaining ring fastening screws in the figure 6 are disassembled by a screwdriver, then all the retaining rings 8 are disassembled, and the outer screw plugs of the fresh water ports 9 are disassembled. The central shaft 1 is screwed into the fresh water port 9 by hand, and then the push rod 7 (or a wrench) is used for applying force to the fixed hexagonal column 3, so that the fixed stud 2 is tightly connected with the end cover. The supporting plate 5 is sleeved on the middle shaft 1, the supporting plate 5 is pushed to the end face of the membrane shell, then the driving nut 6 is sleeved on the outer side of the middle shaft, the driving nut 6 is rotated to move along the stud to approach the supporting plate 5, finally the driving nut 6 is rotated by the push rod 7, and the whole membrane end cover can be gradually pulled out of the membrane shell. This embodiment can combine the on-the-spot condition, and the toolbox in general reverse osmosis membrane workshop all has big spanner, can not process the push rod, uses big spanner operation can.

In embodiment 2, the operation process of detaching the membrane end cover is similar to that of embodiment 1, but the combined push rod 11 replaces the drive nut 6 and the push rod 7 in embodiment 1, so that the use process is more convenient.

Claims (5)

1. A portable reverse osmosis membrane shell detaching tool is characterized by comprising a center shaft and a supporting plate, wherein the center shaft can be connected to a reverse osmosis membrane end cover through threads, the supporting plate is provided with a round hole in the center and can be sleeved on the center shaft, one end of the center shaft is a fixing stud connected with a fresh water outlet of the reverse osmosis membrane end cover, the other end of the center shaft is a fixing hexagonal column which is concentric with the fixing stud, and one end, close to the fixing stud, of the center shaft is also provided with a loosening hexagonal column; the axis truck outside be equipped with even screw thread, through screw thread fixedly connected with drive nut, extracting tool still includes the drive disk assembly who is used for driving drive nut and fixed hexagonal post.

2. The portable reverse osmosis membrane housing removal tool of claim 1, wherein the drive component is a long-arm wrench or a push rod.

3. The portable reverse osmosis membrane housing removal tool of claim 1, wherein the drive nut and drive member are replaced with a combination push rod.

4. The portable reverse osmosis membrane shell removal tool of claim 1, wherein the diameter of the central shaft trunk portion is more than 1.5 times the inner diameter of the membrane shell fresh water inlet.

5. The portable reverse osmosis membrane shell removal tool of claim 1, wherein the length of the fixing stud is between 1/2 times the fresh water port thread depth and 1 time the thread depth.

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