Reverse osmosis membrane shell end cover dismounting tool

Abstract

The utility model relates to the technical field of reverse osmosis membrane shells, in particular to a reverse osmosis membrane shell end cover dismantling tool which comprises a screw rod, a nut, an abutting frame, a first handle, a rotary connecting column, a connecting structure, a square groove, an external thread and a second handle. When the end plate is disassembled, a square block is inserted into a square groove, a handle I is screwed, a central threaded block can be disassembled, then an external thread on a rotary connecting column is screwed with a central threaded hole, meanwhile, a plurality of abutting blocks extend into a tubular shell, a handle II is screwed, a nut abuts against an abutting frame and rotates along a screw rod, the abutting blocks are far away from one another through a connecting structure, and the end plate is disassembled. When the second handle is screwed continuously, the threaded rod is forced to drive the rotary connecting column at the front end of the threaded rod to rotate and move outwards, and then the end cover can be disassembled. The second handle is screwed until the abutting frame abuts against the end of the tubular shell, the abutting blocks abut against the inner arc face of the tubular shell at the moment, and an acting point is provided for disassembling the end cover. The end cover is convenient to disassemble, and the disassembly process is more time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to reverse osmosis membrane shell technical field, specifically is reverse osmosis membrane shell end cover dismantling frock. BACKGROUND

[0002] At present, when installing reverse osmosis membrane, the reverse osmosis membrane is pushed into the membrane shell, and after adjusting and installing various components, the end cover of the reverse osmosis membrane shell is finally fixed and locked, the existing membrane shell end cover is mostly matched with the inner wall of the membrane shell end through a sealing component and realizes fastening, which can achieve good fastening effect. Figure 4 As shown in the figure, the existing membrane shell mostly comprises a tubular shell 100, a circular end cover 101 installed in the tubular shell, a central threaded hole 104 arranged on the circular end cover 101, a central threaded block 102 installed in the central threaded hole 104 and a square block 103 fixed on the central threaded block 102, once the reverse osmosis membrane fails or is scrapped, the circular end cover 101 needs to be disassembled, and the reverse osmosis membrane inside the tubular shell 100 needs to be repaired or replaced, and the existing repair and disassembly tool cannot well grasp the stress point when disassembling the end cover, so that the end cover is difficult to disassemble, and the disassembly process is time-consuming and laborious. SUMMARY

[0003] The utility model aims at the above-mentioned insufficient, provides a kind of reverse osmosis membrane shell end cover dismantling frock that end cover is conveniently disassembled, and disassembly process is more time-saving and labor-saving.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] The reverse osmosis membrane shell end cover dismantling frock comprises a screw rod, a nut screwed on the screw rod, an abutment frame screwed on the screw rod, a handle one fixed on one end of the screw rod, a rotary connecting column fixed on the other end of the screw rod, a plurality of abutment blocks arranged around the screw rod, and a connecting structure for connecting the plurality of abutment blocks, the end of the rotary connecting column is provided with a square recess, the outer side of the rotary connecting column is provided with an external thread, and the nut is connected with a handle two.

[0006] Further, the connecting structure comprises a fixed sleeve sleeved and fixed on the screw rod, a sliding sleeve slidingly connected on the screw rod, a plurality of U-shaped clamping grooves one are radially arranged on the sliding sleeve, U-shaped clamping grooves two and U-shaped clamping grooves three are arranged on the fixed sleeve opposite to the U-shaped clamping grooves one, the U-shaped clamping grooves one and the through groove are connected by a connecting rod one, the U-shaped clamping grooves two and the through groove are connected by a connecting rod two, the U-shaped clamping grooves three and the through groove are connected by a connecting rod three, and the two ends of the connecting rod one, the two ends of the connecting rod two and the two ends of the connecting rod three are rotatably connected by a rotating shaft.

[0007] Furthermore, the fixing sleeve is provided with multiple blind holes, and a telescopic rod is provided in each blind hole. The two ends of the telescopic rod are connected to the bottom of the blind hole and the sliding sleeve, and a spring is sleeved on the telescopic rod.

[0008] Furthermore, the abutment block is provided with an outer arc surface, and an anti-slip pad is provided on the outer arc surface.

[0009] Furthermore, the anti-slip pad is provided with anti-slip protrusions, which are arranged along the axial direction of the screw.

[0010] The beneficial effects of this utility model are:

[0011] In practical applications, when disassembling the end plate, first insert the square groove into the square block, then turn handle one to remove the central threaded block. Next, tighten the external thread on the rotating connecting column with the central threaded hole. At the same time, multiple abutment blocks extend into the tubular outer shell. Turn handle two, and the nut abuts against the abutment frame. During the rotation along the screw, the multiple abutment blocks move away from each other through the connecting structure until the abutment frame abuts against the end of the tubular outer shell. At this time, the multiple abutment blocks abut against the inner arc surface of the tubular outer shell, providing a point of force for disassembling the end cover. Continue to turn handle two, and the screw will be forced to rotate and move outwards along its front end of the rotating connecting column, thus removing the end cover. This utility model facilitates the removal of the end cover, and the disassembly process is more time-saving and labor-saving. Attached Figure Description

[0012] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0013] Figure 2 This is a structural schematic diagram of the present invention from a second perspective;

[0014] Figure 3 This is the front view of this utility model;

[0015] Figure 4 This is a schematic diagram of the membrane shell structure;

[0016] Reference numerals: 1. Screw; 2. Nut; 3. Abutment bracket; 4. Handle 1; 5. Rotary connecting column; 51. Square groove; 6. Abutment block; 7. Handle 2; 81. Fixing sleeve; 82. Sliding sleeve; 83. U-shaped groove 1; 84. U-shaped groove 2; 85. U-shaped groove 3; 86. Connecting rod 1; 87. Connecting rod 2; 88. Connecting rod 3; 89. Telescopic rod; 810. Spring; 9. Anti-slip pad; 100. Tubular outer shell; 101. Circular end cap; 102. Central threaded block; 103. Square block; 104. Central threaded hole. Detailed Implementation

[0017] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the reverse osmosis membrane shell end cover removal tool comprises a screw rod 1, a nut 2 screwed on the screw rod 1, an abutting frame 3 screwed on the screw rod 1, a handle 4 fixed on one end of the screw rod 1, a rotary connecting column 5 fixed on the other end of the screw rod 1, a plurality of abutting blocks 6 arranged around the screw rod 1, and a connecting structure for connecting the plurality of abutting blocks 6, the end of the rotary connecting column 5 is provided with a square groove 51, the outer side of the rotary connecting column 5 is provided with an external thread, the nut 2 is connected with a handle 7, and the nut 2 rotates synchronously against the abutting frame 3 during the screwing process.

[0018] When the end plate is removed, the square groove 51 is inserted into the square block 103, the handle 4 is screwed, the central threaded block 102 is removed, the external thread on the rotary connecting column 5 is screwed with the central threaded hole 104, and the plurality of abutting blocks 6 extend into the tubular shell 100. When the handle 7 is screwed, the nut 2 rotates along the screw rod 1 against the abutting frame 3, the plurality of abutting blocks 6 are away from each other through the connecting structure, until the abutting frame 3 abuts against the end of the tubular shell 100, at this time, the plurality of abutting blocks 6 abut against the inner arc surface of the tubular shell 100, providing a force point for removing the end cover, continuing to screw the handle 7, at this time, the screw rod 1 is forced to rotate and move outwards with the rotary connecting column 5 at the front end, so that the end cover can be removed. The utility model is convenient for removing the end cover, and the removal process is more time-saving and labor-saving.

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the connecting structure comprises a fixing sleeve 81 fixedly sleeved on the screw rod 1, a sliding sleeve 82 slidably connected to the screw rod 1, a plurality of U-shaped clamping grooves 83 radially arranged on the sliding sleeve 82, a U-shaped clamping groove 84 and a U-shaped clamping groove 85 arranged on the fixing sleeve 81 and opposite to the U-shaped clamping grooves 83, the U-shaped clamping grooves 83 connected to the through groove through a connecting rod 86, the U-shaped clamping groove 84 connected to the through groove through a connecting rod 87, and the U-shaped clamping groove 85 connected to the through groove through a connecting rod 88, both ends of the connecting rod 86, both ends of the connecting rod 87 and both ends of the connecting rod 88 are rotatably connected through a rotating shaft; in this embodiment, the fixing sleeve 81 is connected to the through groove through a plurality of connecting rods 87 and connecting rods 88, and the sliding sleeve 82 is connected to the through groove through the connecting rod 86; when disassembling the end plate, first screw the external thread on the rotating connecting column 5 with the central threaded hole 104, at the same time, a plurality of abutting blocks 6 extend into the tubular shell 100, rotate the knob 7, the nut 2 abuts against the abutting frame 3, and the abutting frame 3 abuts against the sliding sleeve 82, so that the sliding sleeve 82 is close to the fixing sleeve 81, a plurality of abutting blocks 6 are away from each other through a plurality of connecting rods 86, connecting rods 87 and connecting rods 88, until the plurality of abutting blocks 6 abut against the inner arc surface of the tubular shell 100, at this time, the abutting frame 3 abuts against the end of the tubular shell 100, providing a fulcrum for disassembling the end cover, continue to rotate the knob 7, at this time, the screw rod 1 is forced to rotate and move outward, that is, the end cover can be disassembled.

[0020] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , a plurality of blind holes are arranged on the fixing sleeve 81, a telescopic rod 89 is arranged in the blind hole, both ends of the telescopic rod 89 are connected to the bottom of the blind hole and the sliding sleeve 82, and a spring 810 is sleeved on the telescopic rod 89; in this embodiment, when the sliding sleeve 82 abuts against the fixing sleeve 81, the telescopic rod 89 and the spring 810 are compressed into the blind hole, after the end cover is disassembled, the sliding sleeve 82 is reset through the restoring force of the spring 810.

[0021] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , an outer arc surface is arranged on the abutting block 6, and an anti-skid pad 9 is arranged on the outer arc surface; in this embodiment, when a plurality of abutting blocks 6 are away from each other, the outer arc surface abuts against the inner arc surface of the tubular shell 100, thereby increasing the contact area between the abutting block 6 and the tubular shell 100.

[0022] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the anti-skid pad 9 is provided with anti-skid convex strips arranged along the axial direction of the screw rod 1; in this embodiment, by arranging the anti-skid pad 9 and the anti-skid convex strips, the friction between the abutting block 6 and the tubular shell 100 can be further improved, and the rotation of the abutting block 6 can be prevented.

[0023] The specific embodiments described herein are merely illustrative of the present application. Various modifications or supplements or replacements of the specific embodiments described herein can be made by those skilled in the art in the technical field of the present application, or similar ways can be adopted, without departing from the scope defined by the present application.

Claims

1. A tooling for removing the end cap of a reverse osmosis membrane housing, characterized in that: The utility model provides a screw rod (1), the screw nut (2) of screwing on the screw rod (1), the abutment frame (3) of screwing on the screw rod (1), the handle one (4) of fixing on the one end of screw rod (1), the rotary connecting column (5) of fixing on the other end of screw rod (1), the abutment block (6) of setting around the screw rod (1) and the connecting structure for connecting the abutment block (6) of multiple, the end of rotary connecting column (5) is provided with square recess (51), the outside of rotary connecting column (5) is provided with outer thread, and the screw nut (2) is connected with handle two (7).

2. The reverse osmosis membrane shell end cover removal tool of claim 1, wherein, The connecting structure includes the fixed sleeve (81) of sleeving and fixing on the screw rod (1), the sliding sleeve (82) of sliding and connecting on the screw rod (1), the U-shaped clamping groove one (83) of being provided with radially on the sliding sleeve (82), the U-shaped clamping groove two (84) and the U-shaped clamping groove three (85) of being provided with on the fixed sleeve (81) and opposite the U-shaped clamping groove one (83), the U-shaped clamping groove one (83) is connected between the through groove through connecting rod one (86), the U-shaped clamping groove two (84) is connected between the through groove through connecting rod two (87), the U-shaped clamping groove three (85) is connected between the through groove through connecting rod three (88), and both ends of connecting rod one (86), both ends of connecting rod two (87) and both ends of connecting rod three (88) are rotatably connected through the pivot.

3. The reverse osmosis membrane shell end cover removal tool of claim 2, wherein, The fixed sleeve (81) is provided with a plurality of blind holes, the blind hole is provided with a telescopic rod (89), and both ends of the telescopic rod (89) are connected with the bottom of the blind hole and the sliding sleeve (82). The telescopic rod (89) is provided with a spring (810).

4. The reverse osmosis membrane shell end cover removal tool of claim 1, wherein, The abutment block (6) is provided with an outer circular arc surface, and the outer circular arc surface is provided with a non-slip pad (9).

5. The reverse osmosis membrane shell end cover removal tool of claim 4, wherein, The non-slip pad (9) is provided with a non-slip convex strip, and the non-slip convex strip is arranged along the axial direction of the screw rod (1).

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