Fuel oil and water detection type filter element

Abstract

The utility model discloses a fuel oil and water detection type filter element. According to the technical scheme, the fuel oil and water detection type filter element is characterized by comprising an outer-layer shell, an inner shell; an oil outlet cover; the filtering layer is arranged around the inner-layer shell; a spacer ring; an oil inlet pipe; an oil inlet cover; a water absorption ring; the water absorption expansion layer is fixedly connected in the inner hole of the water absorption ring and penetrates through the water absorption ring; the barrier plate is fixedly connected to the top of the water absorption expansion layer, and when the barrier plate is upwards inserted into the bottom of the inner-layer shell, the bottom of the inner-layer shell is sealed; the multiple guide rods are fixedly connected to the top of the barrier plate and vertically penetrate through the water absorption ring; and a locking mechanism. Through the arrangement of the locking mechanism, when the moisture content in fuel oil is high, the water absorption expansion layer can absorb water to expand so as to push the blocking plate to be inserted into the bottom of the inner-layer shell for sealing, at the moment, the locking mechanism can mechanically lock the guide rod, and the blocking plate is prevented from loosening sealing of the bottom of the inner-layer shell.

Description

Technical Field

[0001] This utility model relates to the technical field of fuel filtration, and more specifically, to a fuel water detection filter element. Background Technology

[0002] Gasoline and diesel are the two most common types of fuel for motor vehicles. During the transportation and storage of fuel, various impurities inevitably mix in, including solid impurities and water. Existing fuels need to be filtered before being added to motor vehicles to remove these impurities.

[0003] Existing filter elements can filter out solid impurities and moisture during filtration, especially water-detection filter elements, which are equipped with water-absorbing and expanding materials. When the fuel contains a large amount of water, the expansion of these materials will clog the filter element, thus preventing fuel from being added to the car. However, existing filters rely solely on the expansion of the water-absorbing material for this purpose, and under the pressure of fuel being added, the blocking effect can become unstable. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a fuel water detection filter element. Through the setting of the locking mechanism, when the water content in the fuel is high, the water absorption and expansion layer will absorb water and expand, pushing the baffle plate to insert into the bottom of the inner shell for sealing. At this time, the locking mechanism can mechanically lock the guide rod to prevent the baffle plate from loosening the seal on the bottom of the inner shell.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fuel water detection filter element, comprising an outer shell, wherein the outer shell is configured as a circular tube with a vertical axis;

[0006] An inner shell is disposed inside an outer shell. The inner shell is configured as a circular tube coaxial with the outer shell. The top of the outer shell is higher than the top of the inner shell, and the bottoms of the outer shell and the inner shell are flush. The inner shell is provided with several holes for fuel to pass through.

[0007] An oil outlet cap is fixedly connected to the top of the outer shell and has an oil outlet hole.

[0008] A filter layer is disposed around the inner housing;

[0009] A separator ring is fixedly connected to the bottom of the inner shell and the outer shell, and the inner diameter of the separator ring is equal to the inner diameter of the inner shell.

[0010] An oil inlet pipe is fixedly connected to the bottom of the partition ring;

[0011] An oil inlet cap is fixedly connected to the bottom of an oil inlet pipe, and an oil inlet hole is provided on the oil inlet pipe;

[0012] A water-absorbing ring is fixedly connected inside the oil inlet pipe, and the water-absorbing ring is configured as a circular ring with a vertical axis.

[0013] A water-absorbing and expanding layer is fixedly connected to the inner hole of the water-absorbing ring and passes through the water-absorbing ring;

[0014] A baffle plate is fixedly connected to the top of the water-absorbing and expanding layer. When the baffle plate is inserted upward into the bottom of the inner shell, it seals the bottom of the inner shell.

[0015] A guide rod, wherein several guide rods are provided and fixedly connected to the top of the baffle plate and vertically pass through the water absorption ring;

[0016] And a locking mechanism that locks the guide rod when the baffle is inserted into the bottom of the inner housing.

[0017] The present invention is further configured such that: multiple guide rods are arranged around the axis of the water-absorbing ring, and a locking block is fixedly connected to the side of the guide rod away from the axis of the water-absorbing ring, and the locking block is located below the water-absorbing ring;

[0018] The locking mechanism includes multiple locking components, with each guide rod corresponding to one locking component. The locking component is located on the side of the corresponding guide rod away from the axis of the water absorption ring. The locking component is located at the bottom of the water absorption ring and is used to lock the locking block on the corresponding guide rod.

[0019] The present invention is further configured such that: the locking assembly includes a locking rod, the length direction of which is arranged along the radial direction of the water absorption ring;

[0020] A fixing block is fixedly connected to the bottom of the water-absorbing ring. The fixing block has a guide hole on the side near the guide rod for inserting a locking rod. The end of the locking rod away from the guide rod is inserted into the guide hole and can slide along the length of the locking rod in the guide hole.

[0021] And an elastic element, which is disposed at the end of the locking rod away from the guide rod. When the elastic element is in the normal state, the distance between the end of the locking rod near the guide rod and the guide rod is less than the distance between the side of the locking block away from the guide rod and the guide rod.

[0022] The present invention is further configured such that: the top of the locking rod is set as an inclined surface, and the inclined surface is inclined downward on the side near the locking rod; when the bottom of the locking block contacts the top of the locking rod, the blocking plate is inserted into the bottom of the inner shell.

[0023] The present invention is further configured to include a water suction pipe, which is fixedly connected to the bottom of the water suction ring, and the inner diameter of the water suction pipe is equal to the inner diameter of the water suction ring.

[0024] And a supporting mesh frame, which is fixedly connected to the bottom of the water-absorbing pipe, with the bottom of the water-absorbing expansion layer in contact with the top of the supporting mesh frame.

[0025] The present invention is further configured such that: the elastic element is a spring, and the two ends of the spring are respectively fixedly connected to the end of the locking rod away from the guide rod and the end of the guide hole away from the guide rod.

[0026] In summary, the present invention has the following advantages over the prior art: By setting up a locking mechanism, when the water content in the fuel is high, the water-absorbing and expanding layer will absorb water and expand, pushing the baffle plate to insert into the bottom of the inner shell for sealing. At this time, the locking mechanism can mechanically lock the guide rod to prevent the baffle plate from loosening its seal on the bottom of the inner shell. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0028] Figure 2 This is a cross-sectional view of the overall structure of the embodiment;

[0029] Figure 3 for Figure 2 Enlarged schematic diagram of part A;

[0030] Figure 4 for Figure 2 Enlarged schematic diagram of part B;

[0031] Figure 5 for Figure 4 Enlarged schematic diagram of part C.

[0032] In the diagram: 1. Outer shell; 11. Oil outlet cap; 111. Oil outlet hole; 12. Separator ring; 2. Inner shell; 3. Filter layer; 4. Oil inlet pipe; 41. Oil inlet cap; 411. Oil inlet hole; 5. Water absorption ring; 51. Water absorption pipe; 6. Water absorption expansion layer; 7. Baffle plate; 71. Guide rod; 711. Locking block; 8. Locking assembly; 81. Locking rod; 82. Fixing block; 821. Guide hole; 83. Elastic element. Detailed Implementation

[0033] To enable those skilled in the art to better understand the technical solution of this utility model, the technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Based on the embodiments in this application, other similar embodiments obtained by those skilled in the art without creative effort should all fall within the scope of protection of this application. Furthermore, directional terms mentioned in the following embodiments, such as "up," "down," "left," and "right," are only for reference to the directions in the accompanying drawings; therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0034] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0035] Example: A fuel water detection filter element, see attached document. Figure 1 -Appendix Figure 5 The system includes an outer shell 1, an inner shell 2, an oil outlet cap 11, a filter layer 3, a separator ring 12, an oil inlet pipe 4, an oil inlet cap 41, a water absorption ring 5, a water absorption expansion layer 6, a baffle plate 7, a guide rod 71, and a locking mechanism. The outer shell 1 is a vertically oriented circular tube. The inner shell 2 is located inside the outer shell 1 and is a circular tube coaxial with the outer shell 1. The top of the outer shell 1 is higher than the top of the inner shell 2, and the bottoms of the outer shell 1 and inner shell 2 are flush. The inner shell 2 has several holes for fuel to pass through, and the top of the outer shell 1 is closed. The oil outlet cap 11 is fixedly connected to the top of the outer shell 1 and has an oil outlet hole 111. The filter layer 3 surrounds the inner shell 2. The separator ring 12 is fixedly connected to the inner shell 1. At the bottom of the outer shell 2 and the outer shell 1, the inner diameter of the partition ring 12 is equal to the inner diameter of the inner shell 2; the oil inlet pipe 4 is fixedly connected to the bottom of the partition ring 12; the oil inlet cap 41 is fixedly connected to the bottom of the oil inlet pipe 4, and the oil inlet pipe 4 is provided with an oil inlet hole 411; the water absorption ring 5 is fixedly connected inside the oil inlet pipe 4, and the water absorption ring 5 is set as a vertically oriented circular ring; the water absorption expansion layer 6 is fixedly connected in the inner hole of the water absorption ring 5 and passes through the water absorption ring 5; the baffle plate 7 is fixedly connected to the top of the water absorption expansion layer 6, and when the baffle plate 7 is inserted upward to the bottom of the inner shell 2, it closes the bottom of the inner shell 2; several guide rods 71 ​​are provided and fixedly connected to the top of the baffle plate 7 and vertically pass through the water absorption ring 5; the locking mechanism locks the guide rods 71 ​​when the baffle plate 7 is inserted into the bottom of the inner shell 2.

[0036] Fuel enters the fuel inlet pipe 4 through the fuel inlet hole 411, then passes upward through the inner hole of the water absorption ring 5, i.e., through the water absorption and expansion layer 6, and then enters the inner shell 2. Afterward, the fuel passes outward through the inner shell 2 and the filter layer 3, filtering impurities during this process. Finally, the fuel exits upward through the fuel outlet hole 111 on the fuel outlet cap 11. When the water content in the fuel is high, the water absorption and expansion layer 6 absorbs water and expands, pushing the baffle plate 7 upward to insert into the bottom of the inner shell 2. During this process, the guide rod 71 also moves upward. When the baffle plate 7 is inserted into the bottom of the inner shell 2, the locking mechanism locks the guide rod 71, ensuring that the baffle plate 7 remains locked to the bottom of the inner shell 2.

[0037] Specifically, multiple guide rods 71 ​​are arranged around the axis of the water-absorbing ring 5. A locking block 711 is fixedly connected to the side of the guide rod 71 away from the axis of the water-absorbing ring 5. The locking block 711 is located below the water-absorbing ring 5. The locking mechanism includes multiple locking components 8. Each guide rod 71 corresponds to one locking component 8. The locking component 8 is located on the side of the corresponding guide rod 71 away from the axis of the water-absorbing ring 5. The locking component 8 is located at the bottom of the water-absorbing ring 5 and is used to lock the locking block 711 on the corresponding guide rod 71.

[0038] Specifically, the locking assembly 8 includes a locking rod 81, a fixing block 82, and an elastic element 83. The length direction of the locking rod 81 is arranged along the radial direction of the water-absorbing ring 5. The fixing block 82 is fixedly connected to the bottom of the water-absorbing ring 5. The fixing block 82 has a guide hole 821 on the side near the guide rod 71 for the locking rod 81 to be inserted into. The end of the locking rod 81 away from the guide rod 71 is inserted into the guide hole 821 and can slide along the length direction of the locking rod 81 within the guide hole 821. The elastic element 83 is located at the end of the locking rod 81 away from the guide rod 71. When the elastic element 83 is in its normal state, the distance between the end of the locking rod 81 near the guide rod 71 and the guide rod 71 is less than the distance between the side of the locking block 711 away from the guide rod 71 and the guide rod 71. The top of the locking rod 81 is set as a slope, and the slope is inclined downward on the side near the locking rod 81. When the bottom of the locking block 711 contacts the top of the locking rod 81, the blocking plate 7 is inserted into the bottom of the inner shell 2.

[0039] As the baffle plate 7 moves upward under the action of the water-absorbing expansion layer 6, it drives the guide rod 71 to move upward, which in turn drives the locking block 711 to move upward. During the upward movement of the locking block 711, the inclined surface will contact the side of the locking rod 81 near the guide rod 71. Under the action of the inclined surface, the locking rod 81 will slide away from the guide rod 71 and compress the elastic element 83. When the bottom of the locking block 711 is flush with the top of the locking rod 81, under the action of the elastic element 83, the locking rod 81 will slide towards the guide rod 71 so that the bottom of the locking rod 81 contacts the bottom of the locking block 711. At this time, the baffle plate 7 is inserted into the bottom of the inner shell 2. Under the obstruction of the locking rod 81, the baffle plate 7 cannot detach downward from the bottom of the inner shell 2, thus maintaining the seal of the inner shell 2.

[0040] Specifically, this embodiment also includes a water-absorbing pipe 51 and a supporting mesh frame. The water-absorbing pipe 51 is fixedly connected to the bottom of the water-absorbing ring 5, and the inner diameter of the water-absorbing pipe 51 is equal to the inner diameter of the water-absorbing ring 5. The supporting mesh frame is fixedly connected to the bottom of the water-absorbing pipe 51, and the bottom of the water-absorbing expansion layer 6 contacts the top of the supporting mesh frame. Through the arrangement of the supporting mesh frame and the water-absorbing pipe 51, the water-absorbing expansion layer 6 can only expand upwards.

[0041] Specifically, the elastic element 83 is set as a spring, and the two ends of the spring are fixedly connected to the end of the locking rod 81 away from the guide rod 71 and the end of the guide hole 821 away from the guide rod 71, respectively.

[0042] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A fuel water detection filter element, characterized in that: It includes an outer shell (1), which is configured as a circular tube with a vertical axis; The inner shell (2) is disposed inside the outer shell (1). The inner shell (2) is configured as a circular tube coaxial with the outer shell (1). The top height of the outer shell (1) is higher than the top height of the inner shell (2). The bottom of the outer shell (1) and the inner shell (2) are flush. The inner shell (2) is provided with several holes for fuel to pass through. An oil outlet cap (11) is fixedly connected to the top of the outer shell (1) and an oil outlet hole (111) is provided on the oil outlet cap (11); A filter layer (3) is disposed around the inner shell (2); A partition ring (12) is fixedly connected to the bottom of the inner shell (2) and the outer shell (1), and the inner diameter of the partition ring (12) is equal to the inner diameter of the inner shell (2). Oil inlet pipe (4), which is fixedly connected to the bottom of the partition ring (12); An oil inlet cap (41) is fixedly connected to the bottom of an oil inlet pipe (4), and an oil inlet hole (411) is provided on the oil inlet pipe (4); A water-absorbing ring (5) is fixedly connected inside the oil inlet pipe (4). The water-absorbing ring (5) is configured as a circular ring with a vertical axis. A water-absorbing and expanding layer (6) is fixedly connected in the inner hole of the water-absorbing ring (5) and passes through the water-absorbing ring (5); The baffle plate (7) is fixedly connected to the top of the water-absorbing expansion layer (6). When the baffle plate (7) is inserted upward into the bottom of the inner shell (2), it closes the bottom of the inner shell (2). Guide rod (71), a plurality of guide rods (71) are provided and fixedly connected to the top of the baffle plate (7) and vertically pass through the water absorption ring (5); And a locking mechanism that locks the guide rod (71) when the baffle plate (7) is inserted into the bottom of the inner shell (2).

2. The fuel water detection filter element according to claim 1, characterized in that: Multiple guide rods (71) are arranged around the axis of the water-absorbing ring (5). A locking block (711) is fixedly connected to the side of the guide rod (71) away from the axis of the water-absorbing ring (5). The locking block (711) is located below the water-absorbing ring (5). The locking mechanism includes multiple locking components (8), each guide rod (71) corresponds to one locking component (8), the locking component (8) is located on the side of the corresponding guide rod (71) away from the axis of the water absorption ring (5), the locking component (8) is located at the bottom of the water absorption ring (5) and is used to lock the locking block (711) on the corresponding guide rod (71).

3. The fuel water detection filter element according to claim 2, characterized in that: The locking assembly (8) includes a locking rod (81), the length direction of which is arranged along the radial direction of the water absorption ring (5); A fixing block (82) is fixedly connected to the bottom of the water-absorbing ring (5). The fixing block (82) is provided with a guide hole (821) for the locking rod (81) to be inserted into on the side of the fixing block (82) near the guide rod (71). The end of the locking rod (81) away from the guide rod (71) is inserted into the guide hole (821) and can slide along the length direction of the locking rod (81) in the guide hole (821). And an elastic element (83), which is disposed at the end of the locking rod (81) away from the guide rod (71). When the elastic element (83) is in the normal state, the distance between the end of the locking rod (81) near the guide rod (71) and the guide rod (71) is less than the distance between the side of the locking block (711) away from the guide rod (71) and the guide rod (71).

4. A fuel water detection filter element according to claim 3, characterized in that: The top of the locking rod (81) is set as an inclined surface, and the inclined surface is inclined downward on the side near the locking rod (81). When the bottom of the locking block (711) contacts the top of the locking rod (81), the blocking plate (7) is inserted into the bottom of the inner shell (2).

5. A fuel water detection filter element according to claim 4, characterized in that: It also includes a water suction pipe (51), which is fixedly connected to the bottom of the water suction ring (5), and the inner diameter of the water suction pipe (51) is equal to the inner diameter of the water suction ring (5); And a support frame, which is fixedly connected to the bottom of the water-absorbing pipe (51), and the bottom of the water-absorbing expansion layer (6) is in contact with the top of the support frame.

6. A fuel water detection filter element according to claim 5, characterized in that: The elastic element (83) is configured as a spring, with its two ends fixedly connected to the end of the locking rod (81) away from the guide rod (71) and the end of the guide hole (821) away from the guide rod (71), respectively.

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