CN213889835U - Filter element disassembling tool - Google Patents

Abstract

The utility model provides a tool, instrument technical field tear out of filter core. It has solved the inconvenient problem of tearing open of industry filter core. This instrument of tearing open of filter core includes the lift bar and the base that is connected with the lift bar, a serial communication port, the base be rectangular cubic, the upper surface center department of base has massive bellying, the lift bar lower extreme is articulated mutually with the bellying, the base can make the base upwards or the downswing along length direction's arbitrary one end around the pin joint, the base upper surface is equipped with two just to guide part and the bellying that sets up and is located between two guide parts, the guide part is arranged along the length direction of base, the base all stretches out the same distance outside the guide part along extending direction along length direction's both ends, the upside of guide part is equipped with the circular arc guiding surface of evagination. This instrument of tearing open of filter core can make the effort that the base was applyed on the filter core more even, can not cause the damage to the filter core, and the convenience is good, and dismantles efficiently.

Description

Filter element disassembling tool

Technical Field

The utility model belongs to the technical field of the instrument, a tear out instrument of filter core is related to.

Background

The heat exchanger is widely applied to power plants at present, is a human changing device capable of transferring part of heat of hot fluid to cold fluid, and is commonly used for cooling other devices. In order to improve the utilization rate of natural resources, seawater or river water and the like are generally used as a cooling water source for a heat exchanger. However, the seawater or river water has poor quality and contains more silt and impurities, so that the electric water filter is adopted to filter the impurities in the seawater or river water to avoid the blockage in the heat exchanger. Wherein, electronic water purifier includes the shell, sets up filter core seat and a plurality of cylindric filter cores that are in the shell, and the filter core seat includes upper end plate and lower end plate, and filter core upper end and lower extreme are worn to establish respectively in upper end plate and lower end plate, and the filter core upper end outside has the fender shoulder, and the fender shoulder supports to support to press to form fixedly on the filter core by the fixed clamp plate of rethread on the upper end plate after on the upper end plate.

Generally, electric filters have a back washing function, but the actual effect of the back washing is not ideal, so that the filter element needs to be taken out periodically for thorough cleaning and anticorrosion repair. In the process of actually removing the filter element, the fact that the filter element is almost attached to the hole wall between the filter element and the upper end plate and the hole wall between the filter element and the lower end plate are matched with each other is found, impurities are easily blocked between the filter element and the upper end plate, and meanwhile, the blocking shoulder at the upper end of the filter element is almost attached to the upper end plate, so that the filter element is difficult to remove. In order to solve the problem, a crowbar with a flat end or a straight-line piercing end is inserted into a gap between the upper end shoulder of the filter element and the upper end plate, and then the crowbar is pried upwards to detach the filter element. However, the mode of disassembling the filter element is violent, and the filter element is stressed at a single point, so that the filter element is easy to damage.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a pull out instrument of filter core, solved the inconvenient problem of industrial filter core pull out.

The purpose of the utility model can be realized by the following technical proposal:

the instrument of tearing open of filter core, including the lift bar and the base that is connected with the lift bar, a serial communication port, the base be rectangular cubic, the upper surface center department of base has massive bellying, the lift bar lower extreme is articulated mutually with the bellying, the base can make the base upwards or the downswing along length direction's arbitrary one end around the pin joint, the base upper surface is equipped with two just to guide part and the bellying that sets up and is located between two guide parts, the guide part is arranged along the length direction of base, the base all stretches out the outer same distance of guide part along extending direction along length direction's both ends, the upside of guide part is equipped with the circular arc guide surface of evagination.

The length of base will satisfy the internal diameter that is greater than the filter core and be less than or equal to the external diameter of filter core, and the length of guide part will be slightly less than the internal diameter of filter core in order to satisfy the guide part can inlay in filter core lower port and lean on with filter core inner wall counterbalance. When the filter element needs to be disassembled, the pressure plate covering the inner part of the electric water filter on the upper end retaining shoulder of the filter element is disassembled. Under normal conditions, because the length of base is greater than the internal diameter of filter core, the base can automatic keep balanced under the action of gravity, and the base can't directly pass from the hole of filter core under this state. Therefore, the base is swung around the hinge point to enable one end of the base in the length direction to be upwards and the other end of the base to be downwards, namely, the base is inclined relative to the lifting rod, then the base is plugged into the inner hole of the filter element from the top until the base is positioned at the lower port of the inner hole of the filter element, and the base can be balanced again under the action of gravity. Then, the lift lever is pulled upward. When the axis of base and the central line of filter core hole stagger, terminal surface can contact with the upside of guide part under the filter core, because the upside of guide part is equipped with the circular arc spigot surface, consequently can follow the lower terminal surface motion of filter core and fill in the lower port of filter core automatically at the in-process circular arc spigot surface of lifting bar rebound to the axis that makes the base is automatically led and is just arrived the coincidence mutually with the central line of filter core hole. Therefore, the upper surface of the base can be abutted against the lower end surface of the filter element, the upper surface of the base can be ensured not to contact with the lower end plate, and then the filter element can be pulled out by continuously pulling the lifting rod through the base.

This instrument of tearing open of filter core utilizes the base to detain the lower terminal surface at the filter core, and the action of upwards carrying the pull-up rod in the cooperation again alright tear the filter core out, has improved the convenience of tearing open well to the effort that the base was applyed on the filter core is more even, can not cause the damage to the filter core. In addition, in the process of lifting the lifting rod upwards, the axis of the base and the central line of the inner hole of the filter element can be automatically guided by the arc guide surface on the guide part, the upper surface of the base is prevented from being partially buckled on the lower end plate, the time for adjusting the position of the base by a worker is saved, and the disassembly efficiency is ensured.

In the above-mentioned tool for removing a filter element, the guide portion is in the form of a circular arc strip.

In the above-mentioned tool for removing a filter element, as another technical solution, the guide portion is in the shape of a semicircular plate.

No matter the setting is the strip that is the circular arc or is semicircle slice, can both make the upside of guide part have the circular arc spigot surface of evagination and realize the automatic guide of base axis and filter core hole central line.

In the above tool for removing the filter element, two end faces of the base along the length direction are arc faces located on the same cylindrical surface.

The outer peripheral surface of the filter element is a cylindrical surface, so that two end surfaces of the base along the length direction are set to be arc surfaces positioned on the same cylindrical surface, the outer diameter of the cylindrical surface is ensured to be the same as that of the filter element, and the maximum contact area can be formed between the base and the filter element.

In the tool for removing the filter element, the lower end part of the lifting rod is U-shaped, and the protruding part is positioned in the lower end part of the lifting rod and is hinged with the lifting rod through a pin shaft.

In the tool for removing the filter element, the upper end of the lifting rod is connected with an operating rod, and the operating rod and the lifting rod are crossed.

After the two guide parts are clamped in the lower port of the filter element, two hands of a worker hold the two ends of the operating rod, so that the filter element can be lifted upwards and pulled out in a labor-saving manner.

In the instrument of tearing open of foretell filter core, the lift bar include screw thread section and polished rod section, operating lever threaded connection is in the screw thread section, still threaded connection has stop nut in the screw thread section, stop nut is located the below of operating lever and the cover is equipped with the support cover in the screw thread section between the two, this instrument of tearing open still includes the support, the support includes the diaphragm and is fixed in diaphragm lower surface and parallel arrangement's riser, the diaphragm lateral part is equipped with and enables the bar breach of diaphragm card in the screw thread section.

When the filter element is subjected to large resistance, the transverse plate of the support can be clamped on the thread section between the support sleeve and the limiting nut through the strip-shaped notch, the two vertical plates of the support abut against the upper end plate, and the limiting nut is rotated upwards to enable the transverse plate to be clamped tightly. Under this state, the filter core has been in the same place along axial fixity with the lifter, and the lifter can not fall down under self gravity for terminal surface also can support under the condition that does not have the staff to pull the lifter under base upper surface and the filter core and lean on together. Because the guide part on the base is located filter core hole lower port and leans on with filter core inner wall counterbalance, consequently lifting bar and base can't rotate, and the staff only need rotate the action of action pole just can drive the lifting bar rebound and make the filter core upwards pulled out automatically this moment with the help of the screw thread.

In the removing tool of the filter element, the upper surface of the base is provided with a connecting block, a pull rope is connected onto the connecting block, a guide block is connected onto the thread section in a threaded manner, a guide hole penetrates through the guide block in the vertical direction, the upper end of the pull rope penetrates through the guide hole, and the pull rope is pulled upwards to enable the base to swing around a hinge point.

Through the setting of stay cord for the staff need not manual swing base, only need when operating with the hand pull the stay cord can, further improved the convenience.

Compared with the prior art, this instrument of tearing open of filter core has following advantage:

1. the base is hinged with the lifting rod, so that the base can penetrate through an inner hole of the filter element in a swinging mode, the base is buckled on the lower end face of the filter element, and the filter element can be detached by matching with the action of lifting the lifting rod upwards, so that the detaching convenience is improved well, the acting force exerted on the filter element by the base is more even, and the filter element cannot be damaged;

2. in the process of lifting the lifting rod upwards, the circular arc guide surface on the guide part can automatically guide the axis of the base and the central line of the inner hole of the filter element, so that the upper surface of the base is prevented from being partially buckled on the lower end plate, the time for workers to adjust the position of the base is saved, and the disassembly efficiency is ensured;

3. the filter core can be automatically pulled upwards by matching with the use of the bracket and driving the lifting rod to move upwards by utilizing the threads, so that the convenience is further improved.

Drawings

Fig. 1 is a schematic view of a first embodiment of the removal tool (not attached to a pull cord) for the cartridge.

Fig. 2 is an exploded view of a first embodiment of the removal tool (not shown with a pull cord attached) for the filter cartridge.

Fig. 3 is a schematic view of the placement of the bottom plate into the inner bore of the cartridge.

Fig. 4 is a schematic view of the bottom plate cooperating with the filter cartridge.

Fig. 5 is a schematic view of a removal tool according to the first embodiment for removing a cartridge.

Fig. 6 is a schematic view of the fit between the base, guide and cartridge.

In the figure, 1, a lifting rod; 1a, a threaded section; 1b, a polished rod section; 2. a base; 2a, a boss; 2b, a guide part; 2b1, arc guide surface; 2c, connecting blocks; 3. an operating lever; 4. a limit nut; 5. a support sleeve; 6. a support; 6a, a transverse plate; 6a1, bar notch; 6b, a vertical plate; 7. a guide block; 7a, a guide hole; 8. a filter element; 9. an upper end plate; 10. a lower end plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the tool for removing the filter cartridge comprises a lifting rod 1 and a base 2 connected with the lifting rod 1. Base 2 is rectangular cubic, and the upper surface center department of base 2 has massive bellying 2a, and 1 lower extreme of lift bar is articulated mutually with bellying 2a, and 1 lower tip of lift bar is the U type, and the bellying 2a inserts under 1 tip of lift bar in and both form articulatedly through the round pin axle, and base 2 can make base 2 upwards or swing downwards along length direction's arbitrary one end around the pin joint. The upper surface of the base 2 is provided with two guide parts 2b which are arranged oppositely, and the bulge part 2a is positioned between the two guide parts 2 b. The guide part 2b is arranged along the length direction of the base 2, both ends of the base 2 along the length direction extend out of the guide part 2b by the same distance along the extension direction, and the upper side of the guide part 2b is provided with a convex arc guide surface 2b 1. The upper end of the lifting rod 1 is connected with an operating rod 3, and the operating rod 3 and the lifting rod 1 are crossed. The guide part 2b is in the shape of a circular arc, and the distance between two ends of the guide part 2b is smaller than the length of the base 2.

Further, as shown in fig. 1 and 2, the lifting rod 1 includes a threaded section 1a and a polished rod section 1b fixedly connected to the threaded section 1a, and the operating rod 3 is screwed on the threaded section 1 a. The threaded section 1a is further connected with a limiting nut 4 in a threaded mode, the limiting nut 4 is located below the operating rod 3, and a supporting sleeve 5 is sleeved on the threaded section 1a between the limiting nut 4 and the operating rod 3. This instrument of tearing open still includes support 6, and support 6 includes diaphragm 6a and is fixed in diaphragm 6a lower surface and parallel arrangement's riser 6b, and diaphragm 6a lateral part is equipped with and enables diaphragm 6a card strip-shaped gap 6a1 on threaded section 1 a.

The two end faces of the base 2 along the length direction are arc faces positioned on the same cylindrical surface, the length of the base 2 is larger than the inner diameter of the filter element 8 and smaller than or equal to the outer diameter of the filter element 8, and the length of the guide part 2b is slightly smaller than the inner diameter of the filter element 8 so as to meet the requirement that the guide part 2b can be embedded in the lower port of the filter element 8 and abut against the inner wall of the filter element 8. When the filter element 8 needs to be disassembled, the pressure plate of the inner cover of the electric water filter on the upper end retaining shoulder of the filter element 8 is firstly disassembled. Under normal conditions, because the length of base 2 is greater than the internal diameter of filter core 8, base 2 can automatic keep balance under the action of gravity, and base 2 can't directly pass from the hole of filter core 8 under this state. Therefore, as shown in fig. 3, the base 2 is tilted with respect to the lifting rod 1 by swinging the base 2 around the hinge point, and then the base 2 is inserted into the inner hole of the filter cartridge 8 from above until the base 2 is located at the lower port of the inner hole of the filter cartridge 8, and the base 2 is balanced again by gravity. Then, the lift lever 1 is pulled upward. When the axis of the base 2 is staggered with the central line of the inner hole of the filter element 8, the lower end surface of the filter element 8 is contacted with the upper side of the guide part 2b, and the upper side of the guide part 2b is provided with the arc guide surface 2b1, so that the arc guide surface 2b1 moves along the lower end surface of the filter element 8 and is automatically plugged into the lower end hole of the inner hole of the filter element 8 in the upward moving process of the lifting rod 1, so that the axis of the base 2 is automatically guided to be coincident with the central line of the inner hole of the filter element 8, and the base 2, the guide part 2b and the filter element 8 are matched as shown in fig. 6. Thus, the upper surface of the base 2 can be abutted against the lower end surface of the filter element 8, the upper surface of the base 2 can be ensured not to contact with the lower end plate 10, then the filter element 8 can be pulled out by continuously pulling the lifting rod 1 through the base 2, and the base 2 is buckled on the lower end surface of the filter element 8 as shown in fig. 4.

When the filter element 8 is subjected to a large resistance and cannot be directly pulled out in a lifting manner, as shown in fig. 5, the transverse plate 6a of the bracket 6 can be clamped on the threaded section 1a between the support sleeve 5 and the stop nut 4 through the strip-shaped notch 6a1, the two vertical plates 6b of the bracket 6 abut against the upper end plate 9, and the stop nut 4 is rotated upwards to clamp the transverse plate 6 a. Under this state, filter core 8 and lifter 1 have been equivalent to along axial fixity together, and lifter 1 can not down fall under self gravity for terminal surface also can support under the condition that does not have the staff to pull lifter 1 and lean on together under base 2 upper surface and the filter core 8. Because the guide part 2b on the base 2 is positioned in the lower port of the inner hole of the filter element 8 and is propped against the inner wall of the filter element 8, the lifting rod 1 and the base 2 can not rotate, and at the moment, a worker only needs to rotate the operating rod 3 to drive the lifting rod 1 to move upwards under the action of the threads, so that the filter element 8 is automatically pulled upwards.

Further, as shown in fig. 1 and 2, the upper surface of the base 2 has a connection block 2c, and a pull rope is connected to the connection block 2 c. Still threaded connection has guide block 7 on the screw thread section 1a, and guide block 7 goes up to run through along vertical direction and is provided with guiding hole 7a, and guiding hole 7a is passed to the stay cord upper end, upwards stimulates the stay cord and enables base 2 around the pin joint swing. Through the setting of stay cord for the staff need not manual swing base 2, only need when operating with the hand pull the stay cord can.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that, in this embodiment, the guide portion 2b is in the shape of a semicircular sheet, and the side portion of the guide portion 2b is provided with a yielding hole for the pin shaft to pass through.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. The filter element disassembling tool comprises a lifting rod (1) and a base (2) connected with the lifting rod (1), its characterized in that, base (2) be rectangular cubic, the upper surface center department of base (2) has massive bellying (2a), lifting rod (1) lower extreme is articulated mutually with bellying (2a), base (2) can make base (2) upwards or swing downwards along length direction's arbitrary one end around the pin joint, base (2) upper surface is equipped with two just to guide part (2b) and bellying (2a) that set up and is located between two guide part (2b), guide part (2b) are arranged along the length direction of base (2), base (2) all stretch out the same distance outside guide part (2b) along the extending direction along the both ends of length direction, the upside of guide part (2b) is equipped with the circular arc guide surface (2b1) of evagination.

2. Tool for removing filter cartridges as claimed in claim 1, wherein the guides (2b) are in the form of circular-arc strips.

3. Tool for removing filter cartridges as claimed in claim 1, wherein the guides (2b) are in the form of semicircular plates.

4. A tool for removing a filter cartridge according to claim 1, wherein the two end faces of the base (2) in the length direction are circular arc faces located on the same cylindrical surface.

5. A tool for removing a filter cartridge according to claim 1, 2, 3 or 4, wherein the lower end of the lifting rod (1) is U-shaped, the protrusion (2a) is located in the lower end of the lifting rod (1) and the two are hinged by a pin.

6. Tool for removing filter cartridges according to claim 5, characterized in that the lifting rod (1) is connected at its upper end with an operating rod (3), the operating rod (3) intersecting the lifting rod (1) in a cross-shape.

7. The tool for removing the filter element of claim 6, wherein the lifting rod (1) comprises a threaded section (1a) and a light rod section (1b), the operating rod (3) is in threaded connection with the threaded section (1a), a limit nut (4) is further in threaded connection with the threaded section (1a), the limit nut (4) is located below the operating rod (3) and is sleeved with a support sleeve (5) on the threaded section (1a) between the two, the tool for removing the filter element further comprises a support (6), the support (6) comprises a transverse plate (6a) and a vertical plate (6b) which is fixed on the lower surface of the transverse plate (6a) and is arranged in parallel, and a strip-shaped notch (6a1) which enables the transverse plate (6a) to be clamped on the threaded section (1a) is formed in the lateral part of the transverse plate (6 a).

8. The filter element removing tool according to claim 7, wherein the upper surface of the base (2) is provided with a connecting block (2c), a pulling rope is connected to the connecting block (2c), a guide block (7) is further in threaded connection with the threaded section (1a), a guide hole (7a) is formed in the guide block (7) in a penetrating mode in the vertical direction, the upper end of the pulling rope penetrates through the guide hole (7a), and the base (2) can swing around a hinge point by pulling the pulling rope upwards.

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