CN216381664U - Novel fuel filter with water drain valve - Google Patents
Novel fuel filter with water drain valve Download PDFInfo
- Publication number
- CN216381664U CN216381664U CN202123079285.7U CN202123079285U CN216381664U CN 216381664 U CN216381664 U CN 216381664U CN 202123079285 U CN202123079285 U CN 202123079285U CN 216381664 U CN216381664 U CN 216381664U
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- filter
- valve
- water drain
- drain valve
- drains
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Abstract
The utility model discloses a novel fuel filter with a drain valve, which comprises a filter shell, wherein a filter element sub-assembly is arranged in the filter shell, an upper end cover is fixed at the upper end of the filter shell, a thread reinforcing plate is arranged between the upper end cover and the filter element sub-assembly, the cross section of the thread reinforcing plate is in a Chinese character 'shan' shape, the bottom plate of the thread reinforcing plate is in an inclined wave shape, an inner sealing ring is encircled below the thread reinforcing plate, and the shape of the inner sealing ring is in a wave shape matched with the shape of the bottom surface of the thread reinforcing plate; the bottom of the filter shell is provided with a water drain valve, and a supporting spring is arranged between the water drain valve and the lower end of the filter element subassembly. The utility model has the advantages of reasonable design of the water drain valve, reliable sealing and water leakage prevention; the improved filter improves the stability of a product assembly and the strength of a water drain valve in the assembly; the improved fuel filter ensures the stable operation of the engine in the engine and improves the use reliability.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a novel fuel filter with a water drain valve.
Background
The traditional fuel filter with a water drain valve is shown in figure 1, an inner sealing ring adopts a thread reinforcing plate which is partially surrounded, so that the contact area of the inner sealing ring and the thread reinforcing plate is insufficient after installation, the balance stability of a filter element sub-assembly in a shell is very poor, and when the filter element sub-assembly is installed in an automobile assembly, the impact resistance and the compressive strength of the filter assembly from an engine in the running process are insufficient, so that the service life of the filter is influenced; the structure of the water drain valve adopts an independent water drain bolt, so that the operation of the water drain bolt is inconvenient, water can be drained only by screwing off the water drain bolt, and the water drain effect of the water drain valve is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make up the defects of the prior art and provides a novel fuel filter with a water drain valve.
The utility model is realized by the following technical scheme:
a novel fuel filter with a water drain valve comprises a filter shell, wherein a filter element sub-assembly is arranged in the filter shell, an upper end cover is fixed at the upper end of the filter shell, a thread reinforcing plate is arranged between the upper end cover and the filter element sub-assembly, the cross section of the thread reinforcing plate is in a Chinese character 'shan' shape, a bottom plate of the thread reinforcing plate is in an inclined wave shape, an inner sealing ring is encircled below the thread reinforcing plate, and the shape of the inner sealing ring is in a wave shape matched with that of the bottom surface of the thread reinforcing plate; the bottom of the filter shell is provided with a water drain valve, and a supporting spring is arranged between the water drain valve and the lower end of the filter element subassembly.
The lower end of the filter shell is provided with a through hole, and the water drain valve is arranged at the position of the through hole.
The valve that drains including the valve cap that drains, the valve plug and the valve nut that drains, the lower extreme of the valve nut that drains fix the central point that the valve cap that drains put, the lower extreme of the valve plug that drains screw into inside the valve nut that drains, inside the valve plug upper end that drains stretched into supporting spring, be equipped with in the upper end of the valve nut that drains with filter housing bottom through-hole assorted draw-in groove, filter housing bottom and the valve nut joint that drains.
The top end of the water drain valve plug is provided with a buckle, and the outer diameter of the buckle is larger than the inner diameter of the water drain valve nut.
The utility model has the advantages that: the inner sealing ring is designed by following the structural shape of the thread reinforcing plate, the encircling contact area is greatly increased, and the screw plate reinforcing plate adopts the E-shaped design, so that the impact force of engine oil on the screw plate during working is reduced, the buffering effect on oil pressure is realized, the stability of the filter element sub-assembly in the shell is improved, and the strength of the filter assembly is enhanced; the water drain valve adopts a split type design, and meanwhile, the water drain valve plug is in a non-falling hook type design and is sleeved in the supporting spring, so that the stability of the water drain valve plug in the assembly is improved, the water drain operation is convenient to perform, the thread is screwed off, and the hook type water drain valve plug is also always in the shell; the improved filter improves the stability of a product assembly and the strength of a water drain valve in the assembly; the improved fuel filter ensures the stable operation of the engine in the engine and improves the use reliability.
Drawings
FIG. 1 is a schematic diagram of a fuel filter in the prior art.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is an enlarged view of a portion of the present invention.
Fig. 4 is a schematic structural view of the water drain valve.
Detailed Description
As shown in fig. 2 and 3, a novel fuel filter with a drain valve comprises a filter housing 1, a filter element subassembly 2 is installed inside the filter housing 1, an upper end cover 3 is fixed at the upper end of the filter housing 1, a thread reinforcing plate 4 is installed between the upper end cover 3 and the filter element subassembly 2, the cross section of the thread reinforcing plate 4 is in a shape of Chinese character 'shan', the bottom plate of the thread reinforcing plate 4 is in an inclined wave shape, an inner sealing ring 5 is encircled below the thread reinforcing plate 4, and the inner sealing ring 5 is in a wave shape matched with the bottom surface of the thread reinforcing plate 4 in shape; a water drain valve 6 is arranged at the bottom of the filter shell 1, and a supporting spring 7 is arranged between the water drain valve 6 and the lower end of the filter element subassembly 2.
The lower end of the filter shell 1 is provided with a through hole, and the water drain valve 6 is arranged at the position of the through hole.
As shown in fig. 4, the water discharge valve 6 includes a water discharge valve cap 61, a water discharge valve plug 62 and a water discharge valve nut 63, the lower end of the water discharge valve nut 63 is fixed at the central position of the water discharge valve cap 61, the lower end of the water discharge valve plug 62 is screwed into the water discharge valve nut 63, the upper end of the water discharge valve plug 62 extends into the supporting spring 7, a clamping groove 64 matched with a through hole at the bottom end of the filter housing 1 is arranged at the upper end of the water discharge valve nut 63, and the bottom end of the filter housing 1 is clamped with the water discharge valve nut 63.
The top of the valve plug 62 that drains be equipped with buckle 65, buckle 65 external diameter be greater than the internal diameter of the valve nut 63 that drains, the valve plug 62 that drains need not be twisted off when draining, the installation of the valve cap 61 of draining of being convenient for.
The inner sealing ring 5 is designed by copying the structural shape of the thread reinforcing plate 4, the encircling contact area is greatly increased, and the screw plate reinforcing plate 4 adopts the E-shaped design, so that the impact force of engine oil on the screw plate during working is reduced, the buffer effect on oil pressure is realized, the stability of the filter element sub-assembly in the shell is improved, and the strength of the filter assembly is enhanced; what drain valve 6 adopted is split type design, and the plug of discharging water simultaneously does not fall to take the trip formula design, overlaps in supporting spring 7 simultaneously, improves the stability of the plug 62 of discharging water in the assembly, and this kind of improvement is convenient for the operation of discharging water, and the screw thread is twisted, and the plug 62 of discharging water of trip formula also is always in the shell, and this kind of design has the valve reasonable in design that drains, and is sealed reliable, the advantage of leak protection water.
Claims (4)
1. The utility model provides a novel take fuel filter of valve that drains which characterized in that: the filter comprises a filter shell, wherein a filter element sub-assembly is arranged in the filter shell, an upper end cover is fixed at the upper end of the filter shell, a thread reinforcing plate is arranged between the upper end cover and the filter element sub-assembly, the cross section of the thread reinforcing plate is in a Chinese character 'shan' shape, the bottom plate of the thread reinforcing plate is in an inclined wave shape, an inner sealing ring is encircled below the thread reinforcing plate, and the shape of the inner sealing ring is in a wave shape matched with that of the bottom surface of the thread reinforcing plate; the bottom of the filter shell is provided with a water drain valve, and a supporting spring is arranged between the water drain valve and the lower end of the filter element subassembly.
2. The novel fuel filter with the water drain valve as claimed in claim 1, wherein: the lower end of the filter shell is provided with a through hole, and the water drain valve is arranged at the position of the through hole.
3. The novel fuel filter with the water drain valve as claimed in claim 2, wherein: the valve that drains including the valve cap that drains, the valve plug and the valve nut that drains, the lower extreme of the valve nut that drains fix the central point that the valve cap that drains put, the lower extreme of the valve plug that drains screw into inside the valve nut that drains, inside the valve plug upper end that drains stretched into supporting spring, be equipped with in the upper end of the valve nut that drains with filter housing bottom through-hole assorted draw-in groove, filter housing bottom and the valve nut joint that drains.
4. The novel fuel filter with the water drain valve as claimed in claim 3, wherein: the top end of the water drain valve plug is provided with a buckle, and the outer diameter of the buckle is larger than the inner diameter of the water drain valve nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123079285.7U CN216381664U (en) | 2021-12-09 | 2021-12-09 | Novel fuel filter with water drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123079285.7U CN216381664U (en) | 2021-12-09 | 2021-12-09 | Novel fuel filter with water drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381664U true CN216381664U (en) | 2022-04-26 |
Family
ID=81223583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123079285.7U Active CN216381664U (en) | 2021-12-09 | 2021-12-09 | Novel fuel filter with water drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381664U (en) |
-
2021
- 2021-12-09 CN CN202123079285.7U patent/CN216381664U/en active Active
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| GR01 | Patent grant |