CN216342517U - Built-in filter - Google Patents

Abstract

The utility model relates to a built-in filter, which comprises a filter shell, a folding filter element and a conductive assembly, wherein an oil pump mounting hole is formed in the middle of the filter shell, the filter shell is hollow, the cross section of the filter shell is annular, the folding filter element is mounted in the filter shell, an upper cover and a lower cover are arranged at two ends of the filter shell, two ends of the folding filter element are abutted against the upper cover and the lower cover, an oil outlet channel and an oil inlet channel are arranged on the upper cover, the oil inlet channel is communicated with the oil pump mounting hole, and the conductive assembly is mounted in the oil inlet channel. According to the utility model, the oil pump mounting hole is formed in the filter shell, the oil pump is mounted by utilizing the oil pump mounting hole, the oil pump and the filter are integrated into a whole structure, and the occupied volume of the oil pump in the oil tank is reduced; set up conductive component in the oil feed passageway, after the fuel flow through conductive component after the oil pump pressurization, the static that carries in can be derived by conductive component, and the electrically conductive effect is splendid.

Description

Built-in filter

Technical Field

The utility model relates to the technical field of filters, in particular to a built-in filter.

Background

The filter is a filter that filters impurities or gas through filter paper. Generally referred to as an automobile filter, is an accessory of an engine. The built-in filter is a filter installed in the oil tank, is prevented from being arranged externally and is prevented from being stolen. The existing built-in filter is large in size due to the fact that an oil pump needs to be arranged, more space inside an oil tank can be occupied, the quantity of fuel loaded after the oil tank is refitted is reduced, and the driving mileage and the use experience of a vehicle are influenced. Secondly, the existing built-in filter is lack of a conductive design, so that oil static electricity input into the filter after being pressurized by an oil pump is difficult to remove.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a built-in filter in consideration of the case where the existing built-in filter is large in size and static electricity removal is not considered.

Built-in filter, including the filter casing, folding filter core and electrically conductive subassembly, filter casing middle part is provided with the oil pump mounting hole, the filter casing is hollow and transversal personally submits cyclic annularly, folding filter core is installed in the filter casing, filter casing both ends are provided with upper cover and lower cover, folding filter core both ends with the upper cover reaches the lower cover butt, on cover be provided with the passageway of producing oil with the oil feed passageway, the oil feed passageway with the oil pump mounting hole is the intercommunication, electrically conductive subassembly is installed in the oil feed passageway.

Preferably, the oil inlet channel comprises an oil pipe and a sealing cover, the sealing cover covers the oil pipe, and the conductive assembly is arranged in the sealing cover and the oil pipe.

Preferably, the conductive assembly comprises a conductive sheet and a conductive extension part, the conductive sheet is clamped with the inner side wall of the sealing cover, the conductive extension part is attached to the inner side wall of the oil pipe, and the upper end of the conductive extension part is clamped with the conductive sheet.

Preferably, folding filter core includes the filter core body, filter core upper cover and filter core lower cover, the filter core body, the cross section of filter core upper cover and filter core lower cover is the ring form, the filter core body is installed the filter core upper cover with between the filter core lower cover.

Preferably, a sealing gasket is arranged between the upper cover of the filter element and the upper cover, and the lower cover of the filter element and the lower cover are connected into a whole by adopting a hot melting welding process.

Preferably, the outer edge of the upper cover is further provided with a plurality of positioning holes and clamping buckles.

Preferably, an outlet of the oil outlet passage is provided with a check valve.

The utility model has the advantages that: 1. an oil pump mounting hole is formed in the filter shell, an oil pump is mounted through the oil pump mounting hole, the oil pump and the filter are integrated into a whole structure, and the occupied volume of the oil pump in an oil tank is reduced; 2. set up conductive component in the oil feed passageway, after the fuel flow through conductive component after the oil pump pressurization, the static that carries in can be derived by conductive component, and the electrically conductive effect is splendid.

Drawings

FIG. 1 is a perspective view of an embodiment of a filter;

FIG. 2 is an exploded view of the internal filter;

FIG. 3 is a schematic top view of the internal filter;

fig. 4 is a schematic sectional view taken along the line a-a in fig. 3.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

As shown in fig. 1-2, the built-in filter includes a filter housing 1, a folding filter element 2 and a conductive component 3, an oil pump mounting hole 11 is formed in the middle of the filter housing 1, the filter housing 1 is hollow and has a circular cross section, the folding filter element 2 is mounted in the filter housing 1, an upper cover 12 and a lower cover 13 are disposed at two ends of the filter housing 1, two ends of the folding filter element 2 are abutted to the upper cover 12 and the lower cover 13, an oil outlet passage 121 and an oil inlet passage 122 are disposed on the upper cover 12, the oil inlet passage 122 is communicated with the oil pump mounting hole 11, and the conductive component 3 is mounted in the oil inlet passage 122. Specifically, in this embodiment, filter housing 1 is plastic injection moulding, and is cylindricly, and filter housing 1 middle part sets up oil pump mounting hole 11 for the installation oil pump (not shown in the figure), avoids external with the oil pump, occupies more volumes of oil tank, leads to the oil mass that the oil tank can load to reduce. Further, the filter housing 1 is hollow and is used for installing the folding filter element 2 and filtering fuel oil flowing into the filter housing 1. An upper cover 12 and a lower cover 13 are arranged at two ends of the filter shell 1 to play a role in sealing and prevent fuel oil from leaking out. It should be noted that the output end of the oil pump is communicated with the filter housing 1 through the oil inlet passage 122 on the upper cover 12, and the fuel oil enters the filter housing 1 after being pressurized by the oil pump, and flows out from the oil outlet passage 121 after being filtered by the folding filter element 2, thereby completing the fuel oil filtering process. Further, the conductive assembly 3 is further arranged in the oil inlet passage 122, fuel oil is pressurized by the oil pump and then inevitably carries static electricity, in order to lead out charges carried in the fuel oil, the conductive assembly 3 is arranged in the oil inlet passage 122, and the fuel oil flowing through the oil inlet passage 122 is conducted by the conductive assembly 3, so that damage caused by the static electricity of the fuel oil is avoided.

As shown in fig. 1 to 4, the oil inlet passage 122 includes an oil pipe 1221 and a sealing cover 1222, the sealing cover 1222 covers the oil pipe 1221, and the conductive component 3 is installed in the sealing cover 1222 and the oil pipe 1221. Specifically, be convenient for install conducting component 3 in oil feed passageway 122, with oil feed passageway 122 design for the reassembling type, convenient to detach seals lid 1222 installs conducting component 3 in it, assembles convenient and fast.

As shown in fig. 1 to 4, the conductive assembly 3 includes a conductive sheet 31 and a conductive extension 32, the conductive sheet 31 is connected to the inner sidewall of the sealing cover 1222 in a clamping manner, the conductive extension 32 is attached to the inner sidewall of the oil pipe 1221, and the upper end of the conductive extension 32 is connected to the conductive sheet 31 in a clamping manner. Specifically, the conductive plate 31 is attached to the sealing cover 1222, and the conductive extension 32 is attached to the inside of the oil pipe 1221, so as to increase the contact area with the fuel oil and improve the conductive effect. In order to avoid that the fuel flows through the oil pipe 1221, the conductive extension part 32 is flushed into the filter housing 1, and the conductive sheet 31 and the conductive extension part 32 are connected in a clamping manner, so that the conductive assembly 3 is not required to be designed into an integral type, and the process difficulty is reduced.

As shown in fig. 2 to 4, the foldable filter element 2 includes a filter element body 21, a filter element upper cover 22 and a filter element lower cover 23, the cross sections of the filter element body 21, the filter element upper cover 22 and the filter element lower cover 23 are all circular rings, and the filter element body 21 is installed between the filter element upper cover 22 and the filter element lower cover 23. Specifically, filter element body 21 adopts compound filter paper folding forming, and in order to match with the installation space of filter housing 1, in this embodiment, filter element body 21 is folding to the pipe form, installs filter element upper cover 22 and filter element lower cover 23 at filter element body 21 both ends, can cooperate filter housing 1 to form a confined space, prevents that the fuel from leaking away.

As shown in fig. 2 to 4, a sealing gasket 221 is disposed between the upper cover 22 and the upper cover 12, and the lower cover 23 and the lower cover 13 are connected into a whole by a hot-melt welding process. Specifically, the filter element lower cover 23 and the lower cover 13 are both plastic parts, and in order to improve the sealing performance of the joint of the filter element lower cover and the lower cover, the filter element lower cover and the lower cover are connected by a hot melting process, a sealing gasket is not needed, and the production cost is saved.

As shown in fig. 1 to 2, the outer edge of the upper cover 12 is further provided with a plurality of positioning holes 123 and a plurality of snap fasteners 124. Specifically, in order to install the filter in the oil tank, the locating hole 123 that upper cover 12 limit portion set up, the reference column of being convenient for passes through, and then fixed filter, joint knot 124 and the depressed part joint of oil tank cooperate locating hole 123, install the filter in the oil outlet department of oil tank.

As shown in fig. 4, a check valve 1211 is disposed at an outlet of the oil outlet passage 121. Specifically, the check valve 1211 is disposed in the fuel outlet passage 121 to prevent the fuel from flowing back into the filter due to gravity, so that the fuel can flow only in one direction.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. Built-in filter, its characterized in that: including the filter casing, folding filter core and electrically conductive subassembly, filter casing middle part is provided with the oil pump mounting hole, the filter casing is hollow and transversal personally submits cyclic annularly, folding filter core installs in the filter casing, filter casing both ends are provided with upper cover and lower cover, folding filter core both ends with the upper cover reaches the lower cover butt, on cover and be provided with out oil passageway and oil feed passageway, the oil feed passageway with the oil pump mounting hole is the intercommunication, electrically conductive subassembly installs in the oil feed passageway.

2. The built-in filter of claim 1, wherein: the oil inlet channel comprises an oil pipe and a sealing cover, the sealing cover covers the oil pipe, and the conductive assembly is arranged in the sealing cover and the oil pipe.

3. The filter insert of claim 2, wherein: the conductive assembly comprises a conductive sheet and a conductive extension portion, the conductive sheet is connected with the inner side wall of the sealing cover in a clamping mode, the conductive extension portion is attached to the inner side wall of the oil pipe, and the upper end of the conductive extension portion is connected with the conductive sheet in a clamping mode.

4. The built-in filter of claim 3, wherein: the folding filter element comprises a filter element body, a filter element upper cover and a filter element lower cover, wherein the cross sections of the filter element body, the filter element upper cover and the filter element lower cover are circular rings, and the filter element body is arranged between the filter element upper cover and the filter element lower cover.

5. The built-in filter of claim 4, wherein: and a sealing gasket is arranged between the upper cover of the filter element and the upper cover, and the lower cover of the filter element and the lower cover are connected into a whole by adopting a hot melting welding process.

6. The built-in filter according to claim 1 or 5, wherein: the outer edge of the upper cover is also provided with a plurality of positioning holes and clamping buckles.

7. The built-in filter of claim 1, wherein: and a check valve is arranged at the outlet of the oil outlet channel.

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