Split type suction nozzle for seawater filter
By designing the split structure and sealing rubber sleeve in the suction nozzle of the seawater filter, the problems of vulnerability and insufficient sealing of the swing arm suction nozzle are solved, rapid maintenance and efficient sealing are achieved, and downtime and seawater overflow are reduced. .
Patent Information
- Application Number
- CN202421134277.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The swing arm suction nozzle in the existing seawater automatic backwash filter is easy to get damaged and has a long replacement time. The connection method of the four positioning bolts is cumbersome, which affects maintenance efficiency. The sealing of the split suction nozzle is insufficient, resulting in seawater overflow.
Design a split suction nozzle for seawater filter. By installing fixed blocks, plug rods, positioning components and sealing rubber sleeves on the first and second flap bodies, rapid disassembly and tightly connected, ensuring the suction nozzle. Work stably.
Simplifies the maintenance process and downtime, improves maintenance efficiency, avoids seawater overflow, and ensures the stable operation of the suction nozzle.
Smart Images

Figure CN222209323U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the offshore oil equipment technology, in particular to a split type suction nozzle for a seawater filter. Background Art
[0002] In offshore platform facilities, the automatic seawater backwash filter is an important equipment to ensure the supply of clean seawater to all seawater users. When the pressure difference of the filter increases, the automatic backwash program is started. The swing arm suction nozzle is a key and vulnerable component. This component is made of tin bronze and is always in a state of friction loss during operation. The replacement time is also relatively long. In view of the problem that the swing arm suction nozzle is vulnerable to wear and the replacement time is long, the split suction nozzle design is an innovative solution. This design allows the suction nozzle to be split into smaller parts, thereby simplifying the replacement process and reducing downtime.
[0003] For example, Chinese patent publication number CN220194180U discloses a split nozzle for an automatic seawater backwashing filter, including a nozzle body, wherein the nozzle body is composed of a first petal body and a second petal body spliced together; the upper edges of the first petal body and the second petal body extend outward to form an annular boss.
[0004] The above-mentioned two-petal suction nozzle, with the help of the inspection manhole on the outside of its cylinder wall, can be entered by hand to perform simple maintenance work inside, which simplifies the maintenance process and reduces the maintenance man-hours. However, there are still some shortcomings that need to be improved. The first petal body and the second petal body are connected by four positioning bolts. This connection method is more cumbersome during disassembly, which not only increases the complexity of maintenance work, but also affects the improvement of maintenance efficiency. In addition, the sealing of the joint of the split suction nozzle is general, and seawater can easily overflow from the gap, which is not conducive to the stable operation of the suction nozzle. Utility Model Content
[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a split type suction nozzle for a seawater filter to solve the problems in the background technology.
[0006] The above technical objectives of the utility model are achieved through the following technical solutions:
[0007] A split suction nozzle for a seawater filter comprises a first petal body and a second petal body, wherein both sides of the first petal body are fixedly connected to a first fixing block, and both sides of the second petal body are fixedly connected to a second fixing block, both sides of one end of the first fixing block are fixedly connected to a plug-in rod, and both sides of one end of the second fixing block are provided with a plug-in groove, the plug-in rod and the plug-in groove are movably connected, a positioning component is provided on one side of the plug-in groove, and a pressing component is provided on one side of the positioning component, both sides of one end of the first petal body are fixedly connected to a connecting block, the outer side of the connecting block is fixedly connected to a sealing rubber sleeve, and both sides of one end of the second petal body are provided with a connecting groove, and the connecting block is movably connected to the connecting groove. Through the above arrangement, the first petal body and the second petal body can be quickly separated, the maintenance process and downtime are simplified, the maintenance efficiency is improved, and the split first petal body and the second petal body can be ensured to be tightly connected to prevent seawater from overflowing from the gap, thereby ensuring stable operation of the suction nozzle.
[0008] As a preferred technical solution, the positioning assembly includes a positioning hole, which is opened inside the plug-in rod, a positioning block is inserted into the inside of the positioning hole, one side of the positioning block is movably connected to the positioning hole, an insertion hole is opened on one side of the inside of the plug-in slot, the insertion hole is communicated with the positioning hole, and one side of the plug-in rod is movably connected to the insertion hole.
[0009] As a preferred technical solution, the pressing assembly includes a slide groove, which is opened inside the second fixed block, and the inside of the slide groove is slidably connected with a pushing slide, one end of the pushing slide is fixedly connected to one end of the positioning block, and the inside of the slide groove is fixedly connected with a support plate, and a return spring is fixedly connected between the support plate and the pushing slide.
[0010] As a preferred technical solution, one end of the pushing slide is fixedly connected to a soft pad, one side of the soft pad is provided with an arc groove, and a plurality of arc grooves are provided.
[0011] As a preferred technical solution, a guide rod is fixedly connected to the interior of the slide groove, and one side of the push slide is slidably connected to the guide rod.
[0012] In summary, the utility model mainly has the following beneficial effects:
[0013] First, in the utility model, by installing the first fixing blocks on both sides of the first petal body, fixing the plugging rod on the first fixing blocks, installing the second fixing blocks on both sides of the second petal body, providing the plugging slots on the second fixing blocks, the plugging blocks are connected and fixed to the plugging slots through the positioning components, and the positioning components are connected to the pressing components. This design facilitates the disassembly and separation of the first petal body and the second petal body, greatly simplifies the maintenance process, reduces downtime, and thus reduces production losses caused by equipment failures;
[0014] Second, in the utility model, by fixing connecting blocks on both sides of one end of the first petal body, fixing a sealing rubber sleeve outside the connecting block, and providing connecting grooves on both sides of one end of the second petal body, the connecting blocks are inserted into the connecting grooves, so that the sealing rubber sleeve is located in the connecting grooves, thereby greatly improving the sealing performance of the split suction nozzle, preventing seawater from overflowing from the gap, and facilitating the stable operation of the suction nozzle. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the second fixing block of the utility model;
[0017] Figure 3 This utility model Figure 2 A is an enlarged structural diagram of FIG.
[0018] Figure numerals: 1. first petal; 2. second petal; 3. connecting block; 4. sealing rubber sleeve; 5. connecting groove; 6. first fixing block; 7. plug-in rod; 8. second fixing block; 9. plug-in groove; 10. positioning assembly; 101. positioning hole; 102. insertion hole; 103. positioning block; 11. pressing assembly; 111. slide groove; 112. push slide plate; 113. return spring; 114. support plate; 12. cushion; 13. arc groove; 14. guide rod. DETAILED DESCRIPTION
[0019] Example
[0020] refer to Figures 1 to 3 , a split suction nozzle for a seawater filter described in this embodiment comprises a first petal body 1 and a second petal body 2, both sides of the first petal body 1 are fixedly connected with a first fixing block 6, both sides of the second petal body 2 are fixedly connected with a second fixing block 8, both sides of one end of the first fixing block 6 are fixedly connected with a plug-in rod 7, both sides of one end of the second fixing block 8 are provided with a plug-in slot 9, the plug-in rod 7 and the plug-in slot 9 are movably connected, one side of the plug-in slot 9 is provided with a positioning component 10, and one side of the positioning component 10 is provided with a pressing component 11, both sides of one end of the first petal body 1 are fixedly connected with a connecting block 3, the outer side of the connecting block 3 is fixedly connected with a sealing rubber sleeve 4, both sides of one end of the second petal body 2 are provided with a connecting groove 5, and the connecting block 3 is movably connected with the connecting groove 5. Through the above arrangement, the first petal body 1 and the second petal body 2 can be quickly separated, the maintenance process and downtime are simplified, the maintenance efficiency is improved, and the split first petal body 1 and the second petal body 2 can be ensured to be tightly connected, so as to prevent seawater from overflowing from the gap and ensure the stable operation of the suction nozzle.
[0021] refer to Figure 2-3The positioning component 10 includes a positioning hole 101, which is provided inside the plug-in rod 7. A positioning block 103 is inserted inside the positioning hole 101, and one side of the positioning block 103 is movably connected to the positioning hole 101. An insertion hole 102 is provided on one side of the inner side of the plug-in slot 9, and the insertion hole 102 is communicated with the positioning hole 101. One side of the plug-in rod 7 is movably connected to the insertion hole 102; by setting the positioning component 10, the positioning block 103 is connected to the pressing component 11, and the positioning block 103 is inserted into the positioning hole 101 through the insertion hole 102, so that the plug-in rod 7 can be connected and fixed to the plug-in slot 9, and the first petal body 1 and the second petal body 2 can be connected and fixed. After the positioning block 103 leaves the positioning hole 101, the plug-in rod 7 can be taken out from the plug-in slot 9, and the first petal body 1 and the second petal body 2 can be separated.
[0022] refer to Figure 2-3 The pressing component 11 includes a slide groove 111, which is opened inside the second fixed block 8. A pushing slide plate 112 is slidably connected inside the slide groove 111. One end of the pushing slide plate 112 is fixedly connected to one end of the positioning block 103. A supporting plate 114 is fixedly connected inside the slide groove 111. A return spring 113 is fixedly connected between the supporting plate 114 and the pushing slide plate 112. By setting the pressing component 11, the pushing slide plate 112 is connected to the positioning block 103. When the positioning block 103 needs to be moved, the staff puts their fingers on the two pushing slide plates 112 and presses them inward. At this time, the pushing slide plate 112 drives the return spring 113 to deform, so that the pushing slide plate 112 can drive the positioning block 103 to move away from the positioning hole 101. After releasing the finger, the return spring 113 is reset, so that the positioning block 103 can be reset and reinserted into the positioning hole 101.
[0023] refer to Figure 3 One end of the pushing slide 112 is fixedly connected to a soft pad 12, and one side of the soft pad 12 is provided with an arc groove 13, and multiple arc grooves 13 are provided; by fixing the soft pad 12 on the pushing slide 112 and providing the arc groove 13 on the soft pad 12, the friction with the staff's hand can be increased, so that the staff can better contact and push the pushing slide 112.
[0024] refer to Figure 3 A guide rod 14 is fixedly connected to the inside of the slide groove 111, and one side of the pushing slide 112 is slidably connected to the guide rod 14; by fixing the guide rod 14 in the slide groove 111, one side of the pushing slide 112 slides on the guide rod 14, so that the pushing slide 112 can move stably without any disadvantages, which facilitates the movement of the positioning block 103.
[0025] Principle and advantages of use: the plug-in rods 7 on the first fixing blocks 6 on both sides of the first petal body 1 are inserted into the plug-in grooves 9 on the second fixing blocks 8 on both sides of the second petal body 2, so that the first petal body 1 and the second petal body 2 are connected. At this time, the connecting block 3 on the fitting surface of the first petal body 1 is inserted into the connecting groove 5 on the fitting surface of the second petal body 2, and is sealed by the sealing rubber sleeve 4, so as to improve the sealing performance of the split suction nozzle, prevent seawater from overflowing from the gap, and facilitate the stable operation of the suction nozzle. When it is necessary to separate the first petal body 1 and the second petal body 2, the staff's fingers fit on the soft pad 12 on the pushing slide 112, and the soft pad 12 is provided with an arc groove 13, which can increase the friction with the staff's hands. , so that the staff can push the pushing slide 112 and then press it inward. At this time, the pushing slide 112 drives the reset spring 113 to deform, so that the pushing slide 112 can drive the positioning block 103 to pass through the insertion hole 102 and leave the positioning hole 101, and then push the first petal body 1 or the second petal body 2 outward, so that the plug-in rod 7 can leave the plug-in slot 9. The disassembly is very fast, which greatly simplifies the maintenance process and reduces the downtime. When the maintenance is completed and the plug-in rod 7 is inserted into the plug-in slot 9, release your fingers, the reset spring 113 is reset, and the positioning block 103 can be reset and reinserted into the positioning hole 101, so that the first petal body 1 and the second petal body 2 are fixed again.
Claims
1. A split suction nozzle for a seawater filter, comprising a first petal body (1) and a second petal body (2), characterized in that: The first petal body (1) is fixedly connected to a first fixing block (6) on both sides, the second petal body (2) is fixedly connected to a second fixing block (8) on both sides, one end of the first fixing block (6) is fixedly connected to a plug rod (7) on both sides, one end of the second fixing block (8) is provided with a plug slot (9) on both sides, the plug rod (7) and the plug slot (9) are movably connected, a positioning component (10) is provided on one side of the plug slot (9), and a pressing component (11) is provided on one side of the positioning component (10), one end of the first petal body (1) is fixedly connected to a connecting block (3) on both sides, the outer side of the connecting block (3) is fixedly connected to a sealing rubber sleeve (4), one end of the second petal body (2) is provided with a connecting slot (5) on both sides, and the connecting block (3) is movably connected to the connecting slot (5).
2. The split suction nozzle for seawater filter according to claim 1, characterized in that: The positioning assembly (10) comprises a positioning hole (101), the positioning hole (101) is arranged inside the plug-in rod (7), a positioning block (103) is inserted inside the positioning hole (101), and one side of the positioning block (103) is movably connected to the positioning hole (101).
3. The split suction nozzle for seawater filter according to claim 2, characterized in that: An insertion hole (102) is provided on one side of the interior of the plug-in slot (9), the insertion hole (102) is connected to the positioning hole (101), and one side of the plug-in rod (7) is movably connected to the insertion hole (102).
4. The split suction nozzle for seawater filter according to claim 2, characterized in that: The pressing assembly (11) comprises a slide groove (111), wherein the slide groove (111) is arranged inside the second fixed block (8), a pushing slide plate (112) is slidably connected inside the slide groove (111), and one end of the pushing slide plate (112) is fixedly connected to one end of the positioning block (103).
5. The split suction nozzle for seawater filter according to claim 4, characterized in that: A support plate (114) is fixedly connected inside the sliding groove (111), and a return spring (113) is fixedly connected between the support plate (114) and the pushing slide plate (112).
6. The split suction nozzle for seawater filter according to claim 4, characterized in that: One end of the pushing slide plate (112) is fixedly connected to a soft pad (12), one side of the soft pad (12) is provided with an arc groove (13), and a plurality of arc grooves (13) are provided.
7. The split suction nozzle for seawater filter according to claim 4, characterized in that: A guide rod (14) is fixedly connected inside the sliding groove (111), and one side of the pushing slide plate (112) is slidably connected to the guide rod (14).
