Flange assembly tool for oil-water filter

Abstract

The invention relates to the technical field of oil-water filters, in particular to an oil-water filter flange assembling tool which comprises an assembling base of a T-shaped structure, an assembling groove is formed in the outer wall of the bottom of the assembling base, an adjusting mechanism is installed on the inner wall of the assembling groove, and two first rectangular openings which are symmetrically formed are formed in the outer wall of the top of the assembling base. And the two first rectangular openings communicate with the assembling groove, pressing mechanisms are slidably installed on the inner walls of the two first rectangular openings and connected with an adjusting mechanism, a hand wheel is rotationally connected to the outer wall of one side of the assembling base, and one end of a hand wheel transmission shaft is connected to the adjusting mechanism. According to the oil-water filter flange assembling device, the defects in the prior art are overcome, the two pressing mechanisms are arranged on the assembling base, and the two adjustable pressing mechanisms facilitate fixing of flanges on an oil-water filter, so that it is guaranteed that the flanges at the two ends of the oil-water filter are horizontal, and the assembling efficiency of the flanges of the oil-water filter is improved; the problem that an existing oil-water filter flange is inconvenient to install is solved.

Description

Technical Field

[0001] The invention relates to the technical field of plastic production, in particular to an assembly tool for an oil-water filter flange. Background Art

[0002] An oil-water filter is a device specifically designed to separate water and oil from compressed air. It's primarily used in industries like industry and automotive to ensure initial purification of the compressed air. Its operating principle relies on a combination of centrifugal force, cyclonic separation, and stainless steel wire mesh mist capture technology. When compressed air enters the filter, its flow direction and velocity change, causing centrifugal force to separate denser oil and water droplets. Larger droplets settle to the bottom due to gravity, while smaller mist droplets are captured by the mesh and condense into larger droplets, which also settle to the bottom, achieving separation. An oil-water filter primarily consists of a housing, separator, filter element, and wastewater treatment components. Compressed air, containing large amounts of oil and water solid impurities, enters the separator and rotates along the inner wall, generating centrifugal force that separates the oil and water, which then flow along the wall to the bottom, where they are then refined by the filter element. Oil-water filters are widely used in industries like industry and automotive, where high air quality requirements are paramount. Its advantages include small size, light weight, and easy installation. It can be installed using a pipeline connection or suspension. There are no replaceable moving parts inside, so it requires no maintenance, has high reliability and a service life of up to 20 years.

[0003] During the production process of the oil-water filter, the water inlet and outlet pipes need to be connected through flanges. The flanges on the water pipes are mainly fixed by welding. However, the flanges are inconvenient to fix during installation, and the flanges are prone to tilting during welding. Once the flanges are tilted, they need to be reworked and re-welded, which reduces the installation efficiency of the flanges. Summary of the Invention

[0004] The purpose of the present invention is to solve or at least alleviate the problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an oil-water filter flange assembly tool, comprising an assembly seat with a T-shaped structure, an assembly groove being provided on the bottom outer wall of the assembly seat, and an adjustment mechanism being installed on the inner wall of the assembly groove, two symmetrically arranged rectangular openings being provided on the top outer wall of the assembly seat, and both rectangular openings are connected to the assembly groove, a clamping mechanism is slidably installed on the inner walls of the two rectangular openings, and both clamping mechanisms are connected to the adjustment mechanism, a handwheel is rotatably connected to the outer wall of one side of the assembly seat, and one end of the handwheel transmission shaft is connected to the adjustment mechanism.

[0006] By adopting the above structure, the assembly groove opened on the assembly seat facilitates the installation of the adjustment mechanism, the opening of the two rectangular openings facilitates the sliding installation of the clamping mechanism, the setting of the handwheel facilitates the adjustment of the adjustment mechanism, and then facilitates the synchronous adjustment of the two clamping mechanisms, thereby facilitating the compression and fixation of the oil-water filter, thereby ensuring the stable installation of the flange on the oil-water filter.

[0007] Optionally, the pressing mechanism includes a sliding seat slidably connected to an inner wall of the rectangular opening, and a pressing seat is fixedly connected to the outer wall of the top of the sliding seat, and the cross-section of the pressing seat is a trapezoidal structure.

[0008] By adopting the above structure, the sliding seat can be conveniently installed by opening the rectangular opening 1, and the pressing seat can be directly driven to move when the sliding seat slides.

[0009] Optionally, a groove is provided on an outer wall of one side of the pressing seat, and two symmetrically arranged strip openings are provided on an inner wall of one side of the groove, and the inner walls of the two strip openings are both slidably connected to a connecting seat.

[0010] By adopting the above structure, the connecting seat can be easily slidably installed by opening the strip-shaped opening.

[0011] Optionally, one end of the two connecting seats is fixedly connected to the same contact plate, and the other end of the two connecting seats is installed with the same locking mechanism, the inner walls on both sides of the groove are fixedly connected to the fixing seats, and the outer walls on the opposite side of the two fixing seats are provided with multiple equidistantly distributed tooth grooves.

[0012] By adopting the above structure, the arrangement of the two connecting seats facilitates the installation of the contact plate, and the arrangement of the contact plate facilitates the pressing of the flange, thereby ensuring the stable fixation of the flange.

[0013] Optionally, the adjustment mechanism includes a gear rotatably connected to the inner wall at the top of the assembly groove, and the inner walls on both sides of the assembly groove are slidably connected with rack 1 and rack 2, respectively, and rack 1 and rack 2 are both engaged with the gear, and rack 1 and rack 2 are respectively fixedly connected to two sliding seats.

[0014] By adopting the above structure, the two sliding seats can be easily synchronized through the cooperation between the gear and the rack 1 and the rack 2.

[0015] Optionally, a fixing rod is fixedly connected to the inner wall of one side of the assembly groove, and a screw is rotatably connected to the inner wall of the other side of the assembly groove, one of the sliding seats is slidably connected to the outer wall of the fixing rod, and the other sliding seat is screwed to the outer wall of the screw, and one end of the screw is fixedly connected to the handwheel.

[0016] By adopting the above structure, the screw is driven to rotate when the hand wheel rotates, and one of the sliding seats is driven to move when the screw rotates, and the sliding seat is locked at the same time. The setting of the fixed rod is convenient for limiting the sliding trajectory of one of the sliding seats.

[0017] Optionally, the locking mechanism includes a locking seat fixedly connected to the two connecting seats, and the outer walls on both sides of the locking seat are provided with openings, the inner walls of the two openings are slidably connected to the limiting racks, and the limiting racks are engaged with the tooth grooves.

[0018] By adopting the above structure, the setting of the locking seat facilitates the sliding installation of the limiting rack, and the locking seat is conveniently fixed when the limiting rack and the tooth groove are engaged, thereby ensuring the stability of the contact plate.

[0019] Optionally, a circular opening is opened on the outer wall of the top of the locking seat, and a pull rod is slidably connected to the inner wall of the circular opening. The outer wall of the top of the locking seat is fixedly connected to a U-shaped frame, and the outer walls on opposite sides of the two limiting racks are fixedly connected to a fixing frame.

[0020] By adopting the above structure, the circular opening on the locking seat is provided to facilitate sliding installation of the pull rod, and the setting of the U-shaped frame makes it convenient to take the locking seat.

[0021] Optionally, the inner walls on both sides of the locking seat are fixedly connected to two connecting rods, and the outer walls of the four connecting rods are sleeved with springs. The two fixing frames are respectively slidably connected to the outer walls of the four connecting rods. One end of the pull rod is fixedly connected to the adjustment seat, and the outer wall of the adjustment seat is rotatably connected to two symmetrically arranged connecting plates. One end of the two connecting plates is respectively rotatably connected to the two fixing frames.

[0022] By adopting the above structure, the setting of the connecting rod on the locking seat facilitates the installation of spring 1, and the setting of the connecting rod facilitates limiting the sliding trajectory of the fixing frame. When the pull rod drives the adjusting seat to move upward, the connecting plate drives the two fixing frames to move toward each other, thereby driving the limiting rack to be retracted into the locking seat.

[0023] Optionally, the inner wall of the locking seat is fixedly connected to four symmetrically arranged adjusting rods, the two limiting racks are respectively slidably connected to the outer walls of the four adjusting rods, the outer wall of the bottom of the pull rod is fixedly connected to a trapezoidal block, and the outer walls on both sides of the trapezoidal block are provided with sliding grooves, the inner walls of the two sliding grooves are slidably connected to wedge plates, and one end of the two wedge plates is respectively fixedly connected to two fixed frames, and the outer wall of the pull rod is sleeved with spring 2.

[0024] By adopting the above structure, the sliding trajectory of the limit rack is conveniently limited by the setting of the adjustment rod. When the pull rod pulls the trapezoidal block upward, the spring 2 is compressed. When the trapezoidal block moves upward, it drives the two wedge plates to move toward each other, so it is convenient to directly pull the limit rack to move toward each other.

[0025] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention provides two clamping mechanisms on the assembly seat. The two adjustable clamping mechanisms facilitate the fixing of the flange on the auxiliary oil-water filter, thereby ensuring the level of the flanges at both ends of the oil-water filter, improving the efficiency of the oil-water filter flange assembly, and solving the problem of the inconvenience of installing the existing oil-water filter flange; (2) The present invention provides an adjustment mechanism in the assembly seat. The setting of the adjustment mechanism facilitates the adjustment of the positions of the two clamping mechanisms. The cooperation between the gear and the rack facilitates the synchronous movement of the two clamping mechanisms, thereby facilitating the stable fixation of the oil-water filter. At the same time, the setting of the screw in the adjustment mechanism further improves the stability of the clamping mechanism. (3) The present invention provides a contact plate on the clamping mechanism, which is directly in contact with the flange of the oil-water filter, thereby facilitating the fixing of the flange. At the same time, a locking mechanism is provided on the clamping seat, and the cooperation between the locking mechanism and the fixing seat facilitates the adjustment of the position of the contact plate, thereby facilitating the installation of flanges for oil-water filters of different specifications, thereby expanding the scope of use of the flange assembly tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 3 It is a schematic structural diagram of the regulating mechanism of the present invention; Figure 4 Schematic diagram of the structure of the pressing mechanism of the present invention Figure 5 It is a schematic diagram of the three-dimensional structure of the pressing seat of the present invention; Figure 6 It is a schematic structural diagram of the locking mechanism of the present invention; Figure 7 This is a schematic cross-sectional view of the locking mechanism of Example 1 of the present invention; Figure 8 This is a schematic cross-sectional view of the locking mechanism according to the second embodiment of the present invention.

[0027] In the figure: 1. Assembly seat; 2. Rectangular opening 1; 3. Clamping mechanism; 4. Handwheel; 5. Adjusting mechanism; 6. Sliding seat; 7. Fixed rod; 8. Gear; 9. Rack 1; 10. Rack 2; 11. Screw; 12. Clamping seat; 13. Strip opening; 14. Contact plate; 15. Groove; 16. Locking mechanism; 17. Fixed seat; 18. Tooth groove; 19. Connecting seat; 20. Locking seat; 21. U-shaped frame; 22. Pull rod; 23. Limiting rack; 24. Fixed frame; 25. Connecting rod; 26. Spring 1; 27. Connecting plate; 28. Adjusting seat; 29. ​​Adjusting rod; 30. Wedge plate; 31. Trapezoidal block; 32. Spring 2. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1 See also Figure 1-7 The oil-water filter flange assembly tooling includes an assembly seat 1 with a T-shaped structure. The bottom outer wall of the assembly seat 1 is provided with an assembly groove, and the inner wall of the assembly groove is provided with an adjusting mechanism 5. The top outer wall of the assembly seat 1 is provided with two symmetrically arranged rectangular openings 2, and the two rectangular openings 2 are connected to the assembly groove. The inner walls of the two rectangular openings 2 are slidably installed with clamping mechanisms 3, and the two clamping mechanisms 3 are connected to the adjusting mechanisms 5. The outer wall of one side of the assembly seat 1 is rotatably connected to a handwheel 4, and one end of the transmission shaft of the handwheel 4 is connected to the adjusting mechanism 5. The setting of the handwheel 4 is convenient for directly adjusting the adjusting mechanism 5. The setting of the adjusting mechanism 5 is convenient for directly driving the two clamping mechanisms 3 to move, thereby facilitating the clamping and fixing of the oil-water filter, thereby improving the installation efficiency of the flange.

[0030] By adopting the above structure, the assembly groove opened on the assembly seat 1 facilitates the installation of the adjustment mechanism 5, the opening of the two rectangular openings 2 facilitates the sliding installation of the clamping mechanism 3, and the setting of the handwheel 4 facilitates the adjustment of the adjustment mechanism 5, and then facilitates the synchronous adjustment of the two clamping mechanisms 3, so that the oil-water filter is conveniently pressed and fixed, ensuring the stable installation of the flange on the oil-water filter.

[0031] For details, please refer to Figure 4-5The clamping mechanism 3 for assisting the oil-water filter in being clamped and fixed includes a sliding seat 6 that is slidably connected to the inner wall of the rectangular opening 2, and a clamping seat 12 is fixedly connected to the outer wall of the top of the sliding seat 6. The cross-section of the clamping seat 12 is a trapezoidal structure. The opening of the rectangular opening 2 facilitates the sliding installation of the sliding seat 6. When the sliding seat 6 slides, it directly drives the clamping seat 12 to move. A groove 15 is provided on the outer wall of one side of the clamping seat 12, and two symmetrically arranged strip openings 13 are provided on the inner wall of one side of the groove 15. The inner walls of the two strip openings 13 are both slidably connected to a connecting seat 19. The opening of the strip opening 13 facilitates the sliding installation of the connecting seat 19. The opening of the strip opening 13 facilitates the sliding installation of the connecting seat 19.

[0032] For details, please refer to Figure 4-6 One end of the two connecting seats 19 is fixedly connected to the same contact plate 14, and the surface of the contact plate 14 is flat, thereby ensuring the flat installation of the flange, and the other end of the two connecting seats 19 is installed with the same locking mechanism 16. The setting of the locking mechanism 16 facilitates the adjustment of the contact plate 14, and thus facilitates the installation of flanges with different specifications of oil-water filters. The inner walls on both sides of the groove 15 are fixedly connected to the fixing seats 17, and the outer walls on the opposite side of the two fixing seats 17 are provided with a plurality of equidistantly distributed tooth grooves 18. The setting of the two connecting seats 19 facilitates the installation of the contact plate 14, and the setting of the contact plate 14 facilitates the compression of the flange, thereby ensuring the stable fixation of the flange.

[0033] For details, please refer to Figure 2-3 The adjusting mechanism 5 for auxiliary pressing seat 12 to adjust the position includes a gear 8 rotatably connected to the inner wall at the top of the assembly groove, and the inner walls on both sides of the assembly groove are slidably connected with rack 1 9 and rack 2 10, and rack 1 9 and rack 2 10 are meshed with gear 8. Rack 1 9 and rack 2 10 are respectively fixedly connected to the two sliding seats 6. Through the cooperation between gear 8 and rack 1 9 and rack 2 10, it is convenient to make the two sliding seats 6 move synchronously. A fixing rod 7 is fixedly connected to the inner wall of one side of the assembly groove, and a screw 11 is rotatably connected to the inner wall of the other side of the assembly groove. One sliding seat 6 is slidably connected to the outer wall of the fixing rod 7, and the other sliding seat 6 is screwed on the outer wall of the screw 11. One end of the screw 11 is fixedly connected to the handwheel 4, and the screw 11 is driven to rotate when the handwheel 4 is rotated. When the screw 11 rotates, one of the sliding seats 6 is driven to move, and the sliding seat 6 is locked at the same time. The setting of the fixing rod 7 is convenient for limiting the sliding trajectory of one of the sliding seats 6.

[0034] For details, please refer to Figure 6-7The locking mechanism 16 for fixing the auxiliary contact plate 14 includes a locking seat 20 fixedly connected to the two connecting seats 19, and the outer walls on both sides of the locking seat 20 are provided with openings, and the inner walls of the two openings are slidably connected to the limit rack 23, and the limit rack 23 is engaged with the tooth groove 18. When the limit rack 23 and the tooth groove 18 are engaged, the stability of the contact plate 14 is ensured. The setting of the locking seat 20 facilitates the sliding installation of the limit rack 23, and when the limit rack 23 and the tooth groove 18 are engaged, it is convenient to lock the locking seat 20 is fixed, thereby ensuring the stability of the contact plate 14. A circular opening is provided on the outer wall of the top of the locking seat 20, and the inner wall of the circular opening is slidably connected to a pull rod 22. The outer wall of the top of the locking seat 20 is fixedly connected to a U-shaped frame 21, and the outer walls of the opposite sides of the two limiting racks 23 are fixedly connected to a fixing frame 24. The circular opening on the locking seat 20 is convenient for sliding installation of the pull rod 22, the setting of the U-shaped frame 21 makes it convenient to take the locking seat 20, and the setting of the pull rod 22 makes it convenient to drive the two limiting racks 23 to move.

[0035] For details, please refer to Figure 7 The inner walls on both sides of the locking seat 20 are fixedly connected to two connecting rods 25, and the outer walls of the four connecting rods 25 are sleeved with springs 26. The two fixing frames 24 are respectively slidably connected to the outer walls of the four connecting rods 25. One end of the pull rod 22 is fixedly connected to the adjusting seat 28, and the outer wall of the adjusting seat 28 is rotatably connected to two symmetrically arranged connecting plates 27. One end of the two connecting plates 27 is respectively rotatably connected to the two fixing frames 24. The setting of the connecting rod 25 on the locking seat 20 facilitates the installation of the spring 26. The setting of the connecting rod 25 facilitates the limiting of the sliding trajectory of the fixing frame 24. When the pull rod 22 drives the adjusting seat 28 to move upward, it cooperates with the connecting plate 27 to drive the two fixing frames 24 to move toward each other, thereby driving the limiting rack 23 to be retracted into the locking seat 20.

[0036] Based on the first embodiment, this embodiment introduces the specific structure of the locking mechanism 16 in the oil-water filter flange assembly tool. Figure 8 As shown, the inner wall of the locking seat 20 is fixedly connected with four symmetrically arranged adjusting rods 29, and the two limit racks 23 are respectively slidably connected to the outer walls of the four adjusting rods 29, and the outer wall of the bottom of the pull rod 22 is fixedly connected with a trapezoidal block 31, and the outer walls on both sides of the trapezoidal block 31 are provided with sliding grooves, and the inner walls of the two sliding grooves are slidably connected with wedge plates 30, and one end of the two wedge plates 30 is respectively fixedly connected to the two fixed frames 24, and the outer wall of the pull rod 22 is sleeved with spring 232. The setting of the adjusting rod 29 is convenient for limiting the sliding trajectory of the limit rack 23. When the pull rod 22 pulls the trapezoidal block 31 to move upward, the spring 2 32 is compressed. When the trapezoidal block 31 moves upward, it drives the two wedge plates 30 to move toward each other, so it is convenient to directly pull the limit rack 23 to move toward each other.

[0037] Working principle: During use, when the oil-water filter needs to be flange-mounted, first place the oil-water filter on the assembly seat 1, then manually turn the handwheel 4 to drive the screw 11 to rotate, and when the screw 11 rotates, it directly drives one of the sliding seats 6 to slide, and when the sliding seat 6 slides, it drives the rack 2 10 to slide, and when the rack 2 10 slides, it drives the rack 1 9 to slide through the gear 8, and the gear 8 and the rack 1 9 directly cooperate with the rack 2 10 to conveniently drive the two clamping mechanisms 3 to move synchronously, and the setting of the two clamping seats 12 is convenient for directly clamping and fixing the flange through the contact plate 14, and then welding the oil-water filter by clamping it. When the position of the contact plate 14 needs to be adjusted, when adjusting, hold the U-shaped frame 21 to pull the pull rod 22, and when the pull rod 22 is pulled upward, it cooperates with the connecting plate 27 to drive the two fixing frames 24 When the position of the contact plate 14 is adjusted, the pull rod 22 is released to directly drive the limit rack 23 to extend and engage with the tooth groove 18 on the connecting seat 19, thereby fixing the contact plate 14, or the trapezoidal block 31 is driven to move upward by pulling the pull rod 22, and the trapezoidal block 31 moves upward to compress the spring 2 32. When the trapezoidal block 31 moves upward, the two wedge plates 30 move toward each other, thereby pulling the two limit racks 23 into the locking seat 20. The setting of the adjusting rod 29 facilitates limiting the sliding trajectory of the limit rack 23. When the pull rod 22 is released, the spring 2 32 directly drives the trapezoidal block 31 to return to its original position, thereby facilitating the engagement of the limit rack 23 and the tooth groove 18.

[0038] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An oil-water filter flange assembly tool, comprising a T-shaped assembly seat (1), characterized in that: The bottom outer wall of the assembly seat (1) is provided with an assembly groove, and the inner wall of the assembly groove is installed with an adjustment mechanism (5). The top outer wall of the assembly seat (1) is provided with two symmetrically arranged rectangular openings (2), and the two rectangular openings (2) are both connected to the assembly groove. The inner walls of the two rectangular openings (2) are both slidably installed with a clamping mechanism (3), and the two clamping mechanisms (3) are both connected to the adjustment mechanism (5). One side outer wall of the assembly seat (1) is rotatably connected with a hand wheel (4), and one end of the transmission shaft of the hand wheel (4) is connected to the adjustment mechanism (5).

2. The oil-water filter flange assembly tool according to claim 1, characterized in that: The clamping mechanism (3) comprises a sliding seat (6) slidably connected to the inner wall of the rectangular opening (2), and a clamping seat (12) is fixedly connected to the outer wall of the top of the sliding seat (6), and the cross-section of the clamping seat (12) is a trapezoidal structure.

3. The oil-water filter flange assembly tool according to claim 2, characterized in that: A groove (15) is provided on one outer wall of the pressing seat (12), and two symmetrically arranged strip openings (13) are provided on one inner wall of the groove (15). The inner walls of the two strip openings (13) are both slidably connected to a connecting seat (19).

4. The oil-water filter flange assembly tool according to claim 3, characterized in that: One end of the two connecting seats (19) is fixedly connected to the same contact plate (14), and the other end of the two connecting seats (19) is installed with the same locking mechanism (16), the inner walls on both sides of the groove (15) are fixedly connected to the fixing seats (17), and the outer walls on the opposite sides of the two fixing seats (17) are provided with a plurality of tooth grooves (18) distributed at equal distances.

5. The oil-water filter flange assembly tool according to claim 4, characterized in that: The adjusting mechanism (5) includes a gear (8) rotatably connected to the inner wall of the top of the assembly groove, and the inner walls on both sides of the assembly groove are respectively slidably connected to a rack 1 (9) and a rack 2 (10), and the rack 1 (9) and the rack 2 (10) are both meshed with the gear (8), and the rack 1 (9) and the rack 2 (10) are respectively fixedly connected to two sliding seats (6).

6. The oil-water filter flange assembly tool according to claim 5, characterized in that: A fixing rod (7) is fixedly connected to the inner wall of one side of the assembly groove, and a screw rod (11) is rotatably connected to the inner wall of the other side of the assembly groove, one of the sliding seats (6) is slidably connected to the outer wall of the fixing rod (7), and the other sliding seat (6) is screwed to the outer wall of the screw rod (11), and one end of the screw rod (11) is fixedly connected to the hand wheel (4).

7. The oil-water filter flange assembly tool according to claim 6, characterized in that: The locking mechanism (16) includes a locking seat (20) fixedly connected to two connecting seats (19), and both outer walls of the locking seat (20) are provided with openings, and the inner walls of the two openings are slidably connected to the limiting rack (23), and the limiting rack (23) and the tooth groove (18) are engaged.

8. The oil-water filter flange assembly tool according to claim 7, characterized in that: The outer wall of the top of the locking seat (20) is provided with a circular opening, and the inner wall of the circular opening is slidably connected to a pull rod (22); the outer wall of the top of the locking seat (20) is fixedly connected to a U-shaped frame (21); and the outer walls of the opposite sides of the two limiting racks (23) are fixedly connected to a fixing frame (24).

9. The oil-water filter flange assembly tool according to claim 8, characterized in that: The inner walls on both sides of the locking seat (20) are fixedly connected to two connecting rods (25), and the outer walls of the four connecting rods (25) are sleeved with springs (26). The two fixing frames (24) are respectively slidably connected to the outer walls of the four connecting rods (25). One end of the pull rod (22) is fixedly connected to the adjustment seat (28), and the outer wall of the adjustment seat (28) is rotatably connected to two symmetrically arranged connecting plates (27). One end of the two connecting plates (27) is rotatably connected to the two fixing frames (24).

10. The oil-water filter flange assembly tool according to claim 8, characterized in that: The inner wall of the locking seat (20) is fixedly connected to four symmetrically arranged adjusting rods (29), and the two limiting racks (23) are respectively slidably connected to the outer walls of the four adjusting rods (29). The bottom outer wall of the pull rod (22) is fixedly connected to a trapezoidal block (31), and the outer walls on both sides of the trapezoidal block (31) are provided with sliding grooves. The inner walls of the two sliding grooves are slidably connected to wedge plates (30), and one end of the two wedge plates (30) is respectively fixedly connected to two fixing frames (24), and the outer wall of the pull rod (22) is sleeved with a spring 2 (32).

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