Water detection filter element for gasoline

Abstract

According to the technical scheme, the water detection filter element for gasoline is characterized by comprising a connecting base, and a first connecting pipe and a second connecting pipe are connected to the connecting base; the filtering mechanism is connected to the connecting seat and is used for filtering gasoline; the control mechanism is used for controlling the connection and disconnection of an oil path between the connecting seat and the filtering mechanism; the connecting seat comprises an inner pipe, a first communicating hole is formed in the top of the inner pipe, and the inner pipe is communicated with the first connecting pipe; the outer pipe is arranged outside the inner pipe in a sleeving mode, a plurality of second communicating holes communicating with the space between the outer pipe and the inner pipe are formed in the top of the outer pipe, the outer pipe is connected with a second connecting pipe, and the second connecting pipe communicates with the space between the inner pipe and the outer pipe; through the arrangement of the control mechanism, when the filtering mechanism is replaced, the oil way between the filtering mechanism and the connecting base can be closed, gasoline in the gasoline conveying pipeline is prevented from flowing out, and waste of the gasoline is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gasoline filtering, and more specifically, to a gasoline water detection filter element. Background Art

[0002] A gas station is a station that serves cars and other motor vehicles and sells gasoline, usually gasoline or diesel.

[0003] In the process of adding gasoline at gas stations, water detection filters are used more and more frequently in order to filter out moisture and impurities in gasoline. Since water detection filters have both impurity removal and waterproof properties, higher requirements are placed on the replacement cycle of the filter elements.

[0004] When the existing water detection filter element is replaced, the gasoline in the pipeline is easy to flow out from the connection between the filter element and the pipeline, resulting in a waste of gasoline. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a gasoline water detection filter element, which, through the setting of a control mechanism, can close the oil circuit between the filter mechanism and the connecting seat when replacing the filter mechanism, thereby preventing the gasoline in the gasoline delivery pipeline from flowing out and reducing the waste of gasoline.

[0006] To achieve the above object, the utility model provides the following technical solution: a gasoline water detection filter element, comprising a connecting seat, a first connecting pipe and a second connecting pipe are connected to the connecting seat, and the first connecting pipe and the second connecting pipe are connected to the gasoline delivery pipeline;

[0007] A filter mechanism, the filter mechanism is connected to the connection seat for filtering gasoline;

[0008] and a control mechanism, the control mechanism being used to control the on-off of the oil circuit between the connecting seat and the filtering mechanism;

[0009] The connecting seat comprises an inner tube, a first communicating hole is arranged at the top of the inner tube, and the inner tube is connected with the first connecting tube;

[0010] and an outer tube, the outer tube being sleeved outside the inner tube, the top of the outer tube being provided with a plurality of second communication holes communicating with the space between the outer tube and the inner tube, the outer tube being connected with a second connecting tube and the second connecting tube communicating with the space between the inner tube and the outer tube;

[0011] The gasoline flow path is sequentially the first connecting pipe, the inner pipe, the filter mechanism, the outer pipe and the second connecting pipe;

[0012] The control mechanism is used to control the opening and closing of the first connecting hole and the second connecting hole.

[0013] The utility model is further configured as follows: the control mechanism includes an air bag, and the air bag is arranged at an end of the outer tube away from the filtering mechanism;

[0014] A vent pipe, wherein a plurality of vent pipes are provided, each first communicating hole and each second communicating hole corresponds to a vent pipe, and the vent pipe is inserted into the corresponding first communicating hole or the second communicating hole;

[0015] And an elastic bag, which is sleeved outside the ventilation pipe and is located in the first connecting hole or the second connecting hole corresponding to the ventilation pipe. The elastic bag can seal the first connecting hole or the second connecting hole when inflated. The ventilation pipe is provided with a plurality of ventilation holes that penetrate the side wall of the ventilation pipe and are connected with the elastic bag.

[0016] The utility model is further configured as follows: the control mechanism further comprises an adjusting tube, the top and bottom of the adjusting tube are open, the adjusting tube is fixedly connected to an end of the outer tube away from the second communicating hole, and the airbag is arranged in the adjusting tube;

[0017] and an adjusting plate, wherein the adjusting plate is threadedly connected in the adjusting tube so as to squeeze and relax the air bag by rotation.

[0018] The utility model is further configured as follows: a dial plate passing through the axis of the adjusting plate is fixedly connected to the bottom of the adjusting plate.

[0019] The utility model is further configured as follows: the filtering mechanism comprises a shell, the bottom of the shell is open, and the shell is detachably connected to the top of the outer tube;

[0020] And a filter tube, which is arranged in the shell and fixedly connected to the top of the shell inner cavity. When the shell is fixed on the outer tube, the first connecting hole is connected to the filter tube, and the second connecting hole is connected to the space between the filter tube and the shell.

[0021] The utility model is further configured as follows: the filter tube comprises a filter cartridge and a water blocking layer arranged on the inner side of the filter cartridge, and the water blocking layer is used for absorbing water in gasoline.

[0022] The utility model is further configured as follows: a connecting ring is provided at the bottom of the filter tube, a top plate is provided at the top of the inner tube and the outer tube, and the first connecting hole and the second connecting hole are both provided on the top plate;

[0023] A positioning groove matched with the connecting ring is arranged on the top of the top plate, and a first sealing ring capable of being embedded in the positioning groove is arranged on the bottom of the connecting ring.

[0024] The utility model is further configured as follows: a mounting tube is fixedly connected to the bottom of the shell, a mounting ring is fixedly connected to the top of the top plate, the outer diameter of the mounting tube is equal to the inner diameter of the mounting ring and the mounting tube and the mounting ring are threadedly connected together, and a second sealing ring is provided at the bottom of the shell, which is sleeved outside the mounting tube and can be pressed against the top of the mounting ring.

[0025] In summary, compared with the prior art, the utility model has the following beneficial effects: through the setting of the control mechanism, the utility model can close the oil circuit between the filter mechanism and the connecting seat when replacing the filter mechanism, thereby preventing the gasoline in the gasoline delivery pipeline from flowing out and reducing the waste of gasoline. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a cross-sectional view of the overall structure of the embodiment;

[0027] Figure 2 The embodiment is a cross-sectional view showing the connection position of the first connecting pipe and the second connecting pipe;

[0028] Figure 3 is a cross-sectional view of a first communicating hole and a second communicating hole in an embodiment;

[0029] Figure 4 for Figure 3 An enlarged schematic diagram of part A.

[0030] In the figure: 1. connecting seat; 11. outer tube; 12. inner tube; 13. first connecting tube; 14. second connecting tube; 15. top plate; 151. positioning groove; 16. first connecting hole; 17. second connecting hole; 18. mounting ring; 2. filtering mechanism; 21. shell; 211. mounting tube; 212. second sealing ring; 22. filter tube; 221. filter cartridge; 222. water blocking layer; 223. connecting ring; 224. first sealing ring; 3. control mechanism; 31. adjusting tube; 32. air bag; 33. ventilation tube; 331. ventilation hole; 34. elastic bag; 35. adjusting plate; 351. dial plate. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0032] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0033] Embodiment: A gasoline water detection filter element, see attached Figure 1 -Attached Figure 4 , including a connecting seat 1, a filtering mechanism 2 and a control mechanism 3, the connecting seat 1 is connected with a first connecting pipe 13 and a second connecting pipe 14, the first connecting pipe 13 and the second connecting pipe 14 are connected to the gasoline delivery pipeline; the filtering mechanism 2 is connected to the connecting seat 1 for filtering the gasoline; the control mechanism 3 is used to control the on-off of the oil circuit between the connecting seat 1 and the filtering mechanism 2. The connecting seat 1 includes an inner tube 12 and an outer tube 11, the top of the inner tube 12 is provided with a first connecting hole 16, and the inner tube 12 is connected to the first connecting tube 13; the outer tube 11 is sleeved outside the inner tube 12, and the top of the outer tube 11 is provided with a plurality of second connecting holes 17 connected to the space between the outer tube 11 and the inner tube 12, the outer tube 11 is connected to the second connecting tube 14, and the second connecting tube 14 is connected to the space between the inner tube 12 and the outer tube 11; the flow path of gasoline is the first connecting tube 13, the inner tube 12, the filtering mechanism 2, the outer tube 11 and the second connecting tube 14 in sequence; the control mechanism 3 is used to control the opening and closing of the first connecting hole 16 and the second connecting hole 17.

[0034] When the filter element needs to be replaced, it is only necessary to close the first connecting hole 16 and the second connecting hole 17 through the control mechanism 3, and then remove the filter mechanism 2 from the connecting seat 1 to replace the filter mechanism 2. When replacing, due to the closure of the first connecting hole 16 and the second connecting hole 17, the gasoline in the connecting seat 1 and the gasoline delivery pipeline will not flow out, thereby reducing the waste of gasoline.

[0035] Specifically, the control mechanism 3 includes an airbag 32, a vent tube 33 and an elastic bag 34. The airbag 32 is arranged at one end of the outer tube 11 away from the filtering mechanism 2; the vent tube 33 is provided with multiple, each first connecting hole 16 and each second connecting hole 17 corresponds to a vent tube 33, and the vent tube 33 is inserted into the corresponding first connecting hole 16 or second connecting hole 17; the elastic bag 34 is sleeved outside the vent tube 33, and the elastic bag 34 is located in the first connecting hole 16 or the second connecting hole 17 corresponding to the vent tube 33. When the elastic bag 34 is inflated, it can seal the first connecting hole 16 or the second connecting hole 17, and the vent tube 33 is provided with a plurality of vent holes 331 that penetrate the side wall of the vent tube 33 and are connected with the elastic bag 34.

[0036] By squeezing the airbag 32, the gas in the airbag 32 can enter and flow out of the elastic bag 34, so that the expansion and contraction of the elastic bag 34 can be controlled. When the elastic bag 34 expands, the elastic bag 34 can be pressed against the side wall of the first connecting hole 16 or the second connecting hole 17 to achieve the closure of the first connecting hole 16 and the second connecting hole 17. When the elastic bag 34 contracts, the elastic bag 34 can be separated from the side wall of the first connecting hole 16 or the second connecting hole 17 to achieve the opening of the first connecting hole 16 and the second connecting hole 17.

[0037] Specifically, the control mechanism 3 further includes an adjustment tube 31 and an adjustment plate 35. The adjustment tube 31 is open at the top and bottom. The adjustment tube 31 is fixedly connected to one end of the outer tube 11 away from the second communication hole 17. The airbag 32 is arranged in the adjustment tube 31. The adjustment plate 35 is threadedly connected in the adjustment tube 31 to squeeze and relax the airbag 32 by rotation. The adjustment plate 35 can maintain the squeezed and relaxed state of the airbag 32, so that the expansion and contraction state of the elastic bag 34 can be maintained.

[0038] Specifically, a shift plate 351 passing through the axis of the adjustment plate 35 is fixedly connected to the bottom of the adjustment plate 35 .

[0039] Specifically, the filtering mechanism 2 includes a shell 21 and a filter tube 22. The shell 21 is open at the bottom and is detachably connected to the top of the outer tube 11. The filter tube 22 is arranged in the shell 21 and fixedly connected to the top of the inner cavity of the shell 21. When the shell 21 is fixed on the outer tube 11, the first connecting hole 16 is connected to the filter tube 22, and the second connecting hole 17 is connected to the space between the filter tube 22 and the shell 21.

[0040] Specifically, the filter tube 22 includes a filter cartridge 221 and a water blocking layer 222 disposed inside the filter cartridge 221 , wherein the water blocking layer 222 is used to absorb moisture in gasoline.

[0041] A connecting ring 223 is provided at the bottom of the filter tube 22, and a top plate 15 is provided on the top of the inner tube 12 and the outer tube 11, and the first connecting hole 16 and the second connecting hole 17 are both provided on the top plate 15; a positioning groove 151 matching with the connecting ring 223 is provided at the top of the top plate 15, and a first sealing ring 224 capable of being embedded in the positioning groove 151 is provided at the bottom of the connecting ring 223.

[0042] A mounting tube 211 is fixedly connected to the bottom of the shell 21, and a mounting ring 18 is fixedly connected to the top of the top plate 15. The outer diameter of the mounting tube 211 is equal to the inner diameter of the mounting ring 18, and the mounting tube 211 and the mounting ring 18 are threadedly connected together. A second sealing ring 212 is provided at the bottom of the shell 21, which is sleeved outside the mounting tube 211 and can be pressed against the top of the mounting ring 18.

[0043] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A gasoline water detection filter element, characterized in that: It comprises a connecting seat (1), to which a first connecting pipe (13) and a second connecting pipe (14) are connected, and the first connecting pipe (13) and the second connecting pipe (14) are connected to a gasoline delivery pipeline; A filter mechanism (2), the filter mechanism (2) being connected to the connection seat (1) for filtering gasoline; and a control mechanism (3), wherein the control mechanism (3) is used to control the on-off of the oil circuit between the connecting seat (1) and the filtering mechanism (2); The connecting seat (1) comprises an inner tube (12), a first communicating hole (16) is provided at the top of the inner tube (12), and the inner tube (12) is connected to a first connecting tube (13); and an outer tube (11), the outer tube (11) being sleeved outside the inner tube (12), the top of the outer tube (11) being provided with a plurality of second communication holes (17) communicating with the space between the outer tube (11) and the inner tube (12), the outer tube (11) being connected with a second connecting tube (14) and the second connecting tube (14) communicating with the space between the inner tube (12) and the outer tube (11); The gasoline circulation path is sequentially the first connecting pipe (13), the inner pipe (12), the filter mechanism (2), the outer pipe (11) and the second connecting pipe (14); The control mechanism (3) is used to control the opening and closing of the first connecting hole (16) and the second connecting hole (17).

2. A gasoline water detection filter element according to claim 1, characterized in that: The control mechanism (3) comprises an air bag (32), and the air bag (32) is arranged at an end of the outer tube (11) away from the filtering mechanism (2); A vent pipe (33), wherein a plurality of vent pipes (33) are provided, each first communicating hole (16) and each second communicating hole (17) corresponds to a vent pipe (33), and the vent pipe (33) is inserted into the corresponding first communicating hole (16) or second communicating hole (17); and an elastic bag (34), wherein the elastic bag (34) is sleeved outside the ventilation pipe (33), and the elastic bag (34) is located in a first communication hole (16) or a second communication hole (17) corresponding to the ventilation pipe (33), and the elastic bag (34) can seal the first communication hole (16) or the second communication hole (17) when inflated, and the ventilation pipe (33) is provided with a plurality of ventilation holes (331) penetrating the side wall of the ventilation pipe (33) and communicating with the elastic bag (34).

3. A gasoline water detection filter element according to claim 2, characterized in that: The control mechanism (3) further comprises an adjusting tube (31), the top and bottom of the adjusting tube (31) being open, the adjusting tube (31) being fixedly connected to an end of the outer tube (11) away from the second communicating hole (17), and the air bag (32) being arranged in the adjusting tube (31); and an adjusting plate (35), wherein the adjusting plate (35) is threadedly connected in the adjusting tube (31) so as to squeeze and relax the air bag (32) by rotation.

4. A gasoline water detection filter element according to claim 3, characterized in that: A shift plate (351) passing through the axis of the adjustment plate (35) is fixedly connected to the bottom of the adjustment plate (35).

5. A gasoline water detection filter element according to claim 4, characterized in that: The filtering mechanism (2) comprises a shell (21), the bottom of the shell (21) is open, and the shell (21) is detachably connected to the top of the outer tube (11); and a filter tube (22), wherein the filter tube (22) is disposed in the shell (21) and fixedly connected to the top of the inner cavity of the shell (21); when the shell (21) is fixed on the outer tube (11), the first communication hole (16) is connected to the filter tube (22), and the second communication hole (17) is connected to the space between the filter tube (22) and the shell (21).

6. A gasoline water detection filter element according to claim 5, characterized in that: The filter tube (22) comprises a filter cartridge (221) and a water blocking layer (222) arranged inside the filter cartridge (221), wherein the water blocking layer (222) is used to absorb water in gasoline.

7. A gasoline water detection filter element according to claim 6, characterized in that: A connecting ring (223) is provided at the bottom of the filter tube (22), a top plate (15) is provided at the top of the inner tube (12) and the outer tube (11), and the first communication hole (16) and the second communication hole (17) are both provided on the top plate (15); A positioning groove (151) matching with the connecting ring (223) is arranged at the top of the top plate (15), and a first sealing ring (224) capable of being embedded in the positioning groove (151) is arranged at the bottom of the connecting ring (223).

8. A gasoline water detection filter element according to claim 7, characterized in that: The bottom of the housing (21) is fixedly connected to a mounting tube (211), the top of the top plate (15) is fixedly connected to a mounting ring (18), the outer diameter of the mounting tube (211) is equal to the inner diameter of the mounting ring (18), and the mounting tube (211) and the mounting ring (18) are threadedly connected together, and the bottom of the housing (21) is provided with a second sealing ring (212) which is sleeved outside the mounting tube (211) and can be pressed against the top of the mounting ring (18).

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