CN203856632U - Diesel filter - Google Patents
Diesel filter Download PDFInfo
- Publication number
- CN203856632U CN203856632U CN201420291645.0U CN201420291645U CN203856632U CN 203856632 U CN203856632 U CN 203856632U CN 201420291645 U CN201420291645 U CN 201420291645U CN 203856632 U CN203856632 U CN 203856632U
- Authority
- CN
- China
- Prior art keywords
- diesel
- shell
- nut
- element kit
- thread plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a diesel filter. The diesel filter comprises a shell, a filter element assembly, a pressing board, a threaded cover board and a drain valve, wherein the threaded cover board is in gluing connection with the filter element assembly, the filter element assembly comprises an upper end cover and a lower end cover, a nut which is connected with the drain valve and located below the filter element assembly is arranged in the shell, the portion, protruding out of the shell, of the drain valve is sleeved with a sheath, and a supporting spring is arranged between a lower end cover of the filter element assembly and the nut. According to the diesel filter, by arranging the supporting spring between the filter element assembly and the nut, the filter element assembly can be jacked up by means of elastic force and buffering force of the supporting spring, so that the filter element assembly and the threaded cover board are firmly glued, and connection reliability between the threaded cover board and the filter element assembly is improved. In addition, by arranging the sheath outside the drain valve, the drain valve on the lower portion of the shell can be prevented from colliding other objects, damage to the drain valve caused by collision is avoided, water leakage can be prevented, and the drain valve can be protected.
Description
Technical field
The utility model relates to motor vehicle diesel filtrating equipment, and specifically, the utility model relates to a kind of diesel-oil filter.
Background technique
In motor car engine working procedure, the effect of diesel-oil filter is moisture and the impurity filtering making in diesel oil.More existing filter cleaners, include shell, thread plate, element kit, discharging valve, between shell and element kit, be provided with cavity volume, thread plate glueds joint and is connected with glue with element kit, and on thread plate, be provided with into and out of hydraulic fluid port, fluid enters in cavity volume from filler opening, after element kit filters, flows out from oil outlet.
But, the filter cleaner of this structure, because thread plate glueds joint and is connected with glue with element kit, in the time that the road conditions of automobile running are very poor, can produce larger vibrations, thereby making to glued joint connects looseningly, be easy to cause be connected unreliablely between thread plate and element kit, and then affect the normal work of diesel-oil filter.
In addition, shell lower end arrange discharging valve due to around there is no protective gear, be easy to cause discharging valve to damage in the time of automobile bumpiness, or there will be water leakage phenomenon, other component of automobile have been caused again to unnecessary impact.
Model utility content
The utility model provides a kind of diesel-oil filter, and object is the connection reliability improving between thread plate and element kit, and can prevent that discharging valve is damaged.
To achieve these goals, the technological scheme that the utility model is taked is: diesel-oil filter, comprise shell, element kit, pressing plate, thread plate and discharging valve, pressing plate is fixedly connected with shell upper end, between thread plate and element kit, be connected for glueing joint, thread plate is provided with filler opening and oil outlet, element kit comprises upper end cap and lower end cap, in described shell, be provided with the nut that is connected with described discharging valve and is positioned at described element kit below, the position stretching out on discharging valve outside shell is arranged with sheath, between the lower end cap of element kit and nut, be provided with supported spring, described thread plate is clipped between the upper end and described pressing plate of element kit.
Described nut inserts in described shell, and the embedding of the lower end of nut is inwardly turned down in the annular groove of the U-shaped flange forming by shell lower end side.
Described discharging valve inserts in the center hole of described nut with nut as being threaded.
Between described discharging valve and described nut, be provided with seal ring.
The center of described thread plate is provided with the adapter sleeve protruding towards described enclosure vertically, the center hole of adapter sleeve is described oil outlet, the center of described upper end cap is provided with vertically upward thread plate and protrudes and be enclosed within the Sealed casing pipe outside adapter sleeve, also be arranged with inner seal ring outward at adapter sleeve, and inner seal ring is clipped between thread plate and the end face of Sealed casing pipe.
The upper surface of described pressing plate is provided with the inner groove for holding exterior seal ring, exterior seal ring and stretch out in inner groove top.
The upper surface of described pressing plate is provided with and is positioned at described inner groove outside and the outer groove coaxial with inner groove.
The inner side that is arranged in described inner groove on described pressing plate is provided with the fixed plate that inserts described filler opening from the top of described thread plate and clamp thread plate.
Described fixed plate is to start towards the extension of the inner side of inner groove and at least through three bending and moldings from the upper end-face edge of described inner groove.
Described element kit also comprises smart filter core and is enclosed within the coarse filter element outside smart filter core.
Diesel-oil filter of the present utility model, thread plate is connected for glueing joint with element kit, and by arrange a supported spring between element kit and nut, rely on elastic force and the buffering of supported spring, can be by upwards jack-up of element kit, element kit and thread plate are sticked together firmly, thereby improved the connection reliability between thread plate and element kit, also just improved the stability that filter cleaner uses; And by the outside suit of discharging valve sheath, can prevent that the discharging valve of outer casing underpart and extraneous other object from bumping, avoid discharging valve to damage because of collision, thereby can prevent from leaking and protecting discharging valve.
Brief description of the drawings
This specification comprises the following drawings, shown in content respectively:
Fig. 1 is the sectional view of the utility model diesel-oil filter;
Fig. 2 is the sectional view of another kind of structure diesel-oil filter;
In figure, be labeled as:
1, exterior seal ring; 2, thread plate; 21, filler opening; 22, oil outlet; 3, inner seal ring; 4, element kit; 41, upper end cap; 42, lower end cap; 43, coarse filter element; 44, smart filter core; 5, supported spring; 6, shell; 61, U-shaped flange; 7, discharging valve; 8, pressing plate; 81, inner groove; 82, outer groove; 83, fixed plate; 9, adapter sleeve; 10, Sealed casing pipe; 11, sheath; 12, nut.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail, and object is to help those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technological scheme, and contributes to its enforcement.
As shown in Figure 1, a kind of diesel-oil filter of the utility model, comprises shell 6, element kit 4, pressing plate 8, thread plate 2 and discharging valve 7.Shell 6 is the cylindrical housings member of both ends open, inner hollow, and the lower ending opening of shell 6 is dewatering outlet.Pressing plate 8 is fixedly connected with the upper end of shell 6, between thread plate 2 and element kit 4, be connected for glueing joint, thread plate 2 is provided with filler opening 21 and oil outlet 22, and element kit 4 comprises upper end cap 41, lower end cap 42 and the filter core between upper and lower end cap 41,42.In shell 6, be provided with and be connected with discharging valve 7 and be positioned at the nut 12 below element kit 4; the position stretching out on discharging valve 7 outside shell 6 is arranged with sheath 11; sheath 11 can prevent that the discharging valve 7 of shell 6 bottoms and extraneous other object from bumping; avoid discharging valve 7 because collision damages, thereby can prevent from leaking and protecting discharging valve 7.Between the lower end cap 42 of element kit 4 and nut 12, be provided with supported spring 5, supported spring 5 is dish spring, axially volume is little, be convenient to arrange, supported spring 5 can produce elastic force, for jack-up element kit 4 upwards, thread plate 2 is clipped between the upper end and pressing plate 8 of element kit 4 all the time, and can guarantee that element kit 4 and thread plate 2 stick together firmly, thus improve the connection reliability between thread plate 2 and element kit 4, also just improve the stability that filter cleaner uses.
Specifically, as shown in Figure 1, nut 12 is that the bottom of inserting shell 6 is fixed, and the lower end of nut 12 embeds in the annular groove of the U-shaped flange 61 being formed by the inner turnover of the outside shell 6 of lower end side of shell 6.The internal surface laminating of the outer surface of nut 12 and shell 6, nut 12 and with shell 6 be drive fit, guarantee that nut 12 reliably fixes in shell 6, and good airproof performance.Nut 12 is coaxial with shell 6, and the center hole of nut 12 is communicated with the inner chamber of shell 6 and the dewatering outlet of below, and center hole is as the space that stores moisture.
As shown in Figure 1, insert in the center hole of nut 12 with nut 12 as being threaded behind the dewatering outlet of shell 6 on the top of discharging valve 7 again, and the corresponding internal surface at nut 12 is provided with one section of internal thread, and the outer surface of discharging valve 7 is provided with outside thread.Between discharging valve 7 and nut 12, be also provided with seal ring, improve the sealing between discharging valve 7 and nut 12, prevent that the moisture in shell 6 from leaking.The bottom of discharging valve 7 is the outsides that are positioned at shell 6, and sheath 11 entangles this position, thereby surrounds discharging valve 7 in the outside of discharging valve 7, plays protective action.
As shown in Figure 1, the center of thread plate 2 is provided with the adapter sleeve 9 protruding towards shell 6 inside vertically, and the center hole of this adapter sleeve 9 is oil outlet 22, and the internal face of this adapter sleeve 9 is provided with internal thread, for being connected with the coupling shaft on filter seat.Filler opening 21 on thread plate 2 is multiple along being circumferentially evenly equipped with in the outside of oil outlet 22, and diesel oil enters in shell 6 from filler opening 21, after the filtration by element kit 4, flows out finally by oil outlet 22.
As shown in Figure 1, be provided with vertically thread plate 2 upward protrudes and is enclosed within the Sealed casing pipe 10 outside adapter sleeve 9 in the center of the upper end cap 41 of element kit 4, Sealed casing pipe 10 is coaxial with adapter sleeve 9, oil outlet 22 is communicated with the center hole in element kit 4 by the center hole of Sealed casing pipe 10, guarantee that diesel oil after filtering can flow into oil outlet 22 through Sealed casing pipe 10, then flow out from oil outlet 22.Outside adapter sleeve 9, be also arranged with inner seal ring 3, and inner seal ring 3 is between the lower surface of thread plate 2 and the upper-end surface of Sealed casing pipe 10, under the effect of supported spring 5, upwards jack-up of element kit 4, can be matched with thread plate 2 all the time in the upper-end surface of Sealed casing pipe 10 and clamp inner seal ring 3, this inner seal ring 3 can be guaranteed the sealing between Sealed casing pipe 10 and thread plate 2 and adapter sleeve 9, can prevent that diesel oil from leaking.
In addition, between adapter sleeve 9 and Sealed casing pipe 10, scribble a circle adhesive, realize gluing connection, can improve sealing on the one hand, can guarantee that on the other hand thread plate 2 is fixing more reliable.
As shown in Figure 1, in the present embodiment, adapter sleeve 9 is to be integrated stamping formingly with thread plate 2, and Sealed casing pipe 10 is to be also integrated stamping formingly with upper end cap 41, and inner seal ring 3 is provided with one.
As shown in Figure 1, be provided with one for holding the inner groove 81 of exterior seal ring 1 at the upper surface of pressing plate 8, inner groove 81 is the upper surface recessed annular groove forming downward at pressing plate 8, exterior seal ring 1 and stretch out in the top of inner groove 81, this exterior seal ring 1 is for the sealing between pressing plate 8 and filter seat, prevents that diesel oil from leaking.This exterior seal ring 1 is coaxial with inner seal ring 3 and is positioned at the outside of the filler opening 21 on thread plate 2, exterior seal ring 1 is to be pressed in inner groove 81, with inner groove 81 be drive fit, on the one hand can prevent that exterior seal ring 1 is moved, can improve on the other hand sealing effect.
As shown in Figure 1, the inner side that is arranged in inner groove 81 on pressing plate 8 is also provided with the fixed plate 83 that clamps thread plate 2 for be inserted into hydraulic fluid port 21 above thread plate 2, this fixed plate 83 is corresponding with the filler opening 21 of position on thread plate 2, and identical with the number of filler opening 21, each fixed plate 83 is to start to extend towards the inner side of inner groove 81 and through bending and molding repeatedly from the upper end-face edge of inner groove 81, concrete, match with filler opening 21 surface configuration around, each fixed plate 83 is that the inner top side edge that is positioned at inner groove 81 from pressing plate 8 by plate starts to write out a prescription to after the bending that is once greater than 90 degree towards filler opening 21, again above filler opening 21 through after being once less than the bending of 90 degree under be inserted in hydraulic fluid port 21, then from stretch out filler opening 21 lower ends, again towards the outside of filler opening 21 through final molding after being once less than the bending of 90 degree, through the terminal end shape of the fixed plate 83 of bending final molding and with the form fit at the arc transition place of thread plate 2, fixed plate 83 and with the internal face of filler opening 21, the lower surface of thread plate 2 fits.
Pressing plate 8 is connected with thread plate 2 by the multiple fixed plates 83 that arrange on it, thread plate 2 glueds joint and is connected with element kit 4, can before assembling, pressing plate 8 and thread plate 2, element kit 4 be linked into an integrated entity, not only be convenient to assembling, and fixed plate 83 can firmly clamp thread plate 2, guarantee that thread plate 2 is fixing reliable, can prevent that thread plate 2 from rotating.
As distortion embodiment, as shown in Figure 2, also be provided with and be positioned at inner groove 81 outsides and the outer groove 82 coaxial with inner groove 81 at the upper surface of pressing plate 8, this outer groove 82 is also the upper surface recessed annular groove forming downward at pressing plate 8, pressing plate 8 is to be mainly recessed into by outer groove 82 and inner groove 81 lower surface forming downwards to contact with the upper surface of thread plate 2, for blocking thread plate 2.Outer groove 82 is set on pressing plate 8, a seal ring also can be installed in this outer groove 82, to improve sealing effect, also can increase the area of contact of pressing plate 8 and thread plate 2 simultaneously, improve the intensity of pressing plate 8 and compress effect.
In the present embodiment, pressing plate 8 is the moulding of employing sheet forming, and inner groove 81 is between fixed plate 83 and outer groove 82, and pressing plate 8 is the upper ends that are enclosed within shell 6 by the flange in the outside of outer groove 82, and is welded to connect with shell 6.
As another distortion embodiment, the upper end of supported spring 5 can be welded to connect with the lower end cap of element kit 4 42, thereby can make supporting component and element kit 4, thread plate 2, pressing plate 8 link into an integrated entity, and guarantees that supported spring 5 positions are motionless, so that assembling improves efficiency of assembling.
As another distortion embodiment, as shown in Figure 2, the different element kits 4 that are of this diesel-oil filter and the diesel-oil filter shown in Fig. 1, the filter core of this element kit 4 is made up of smart filter core 44 and coarse filter element 43, coarse filter element 43 is the outsides that are enclosed within smart filter core 44, and links into an integrated entity with smart filter core 44.Essence filter core 44 is coaxial with coarse filter element 43, and both are equal in length, and the top and bottom of smart filter core 44 and coarse filter element 43 are respectively upper end cap 41 and lower end cap 42, and upper end cap 41 is fixedly connected with it in the top and bottom of coarse filter element 43 respectively with lower end cap 42.Coarse filter element 43 and smart filter core 44 are set on element kit 4, and the fuel oil entering in shell 6 first filters through coarse filter element 43, is then filtered by smart filter core 44, is finally flowed out by oil outlet 22.Coarse filter element 43 and smart filter core 44 are set on element kit 4, can improve the filtering effect to diesel oil.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as having adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; Or without improvement, above-mentioned design of the present utility model and technological scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (10)
1. a diesel-oil filter, comprise shell, element kit, pressing plate, thread plate and discharging valve, pressing plate is fixedly connected with shell upper end, between thread plate and element kit, be connected for glueing joint, thread plate is provided with filler opening and oil outlet, element kit comprises upper end cap and lower end cap, it is characterized in that: in described shell, be provided with the nut that is connected with described discharging valve and is positioned at described element kit below, the position stretching out on discharging valve outside shell is arranged with sheath, between the lower end cap of element kit and nut, be provided with supported spring, described thread plate is clipped between the upper end and described pressing plate of element kit.
2. diesel-oil filter according to claim 1, is characterized in that: described nut inserts in described shell, and the embedding of the lower end of nut is inwardly turned down in the annular groove of the U-shaped flange forming by shell lower end side.
3. diesel-oil filter according to claim 1 and 2, is characterized in that: described discharging valve inserts in the center hole of described nut with nut as being threaded.
4. diesel-oil filter according to claim 3, is characterized in that: between described discharging valve and described nut, be provided with seal ring.
5. diesel-oil filter according to claim 1 and 2, it is characterized in that: the center of described thread plate is provided with the adapter sleeve protruding towards described enclosure vertically, the center hole of adapter sleeve is described oil outlet, the center of described upper end cap is provided with vertically upward thread plate and protrudes and be enclosed within the Sealed casing pipe outside adapter sleeve, also be arranged with inner seal ring outward at adapter sleeve, and inner seal ring is clipped between thread plate and the end face of Sealed casing pipe.
6. diesel-oil filter according to claim 5, is characterized in that: the upper surface of described pressing plate is provided with the inner groove for holding exterior seal ring, exterior seal ring and stretch out in inner groove top.
7. diesel-oil filter according to claim 6, is characterized in that: the upper surface of described pressing plate is provided with and is positioned at described inner groove outside and the outer groove coaxial with inner groove.
8. diesel-oil filter according to claim 7, is characterized in that: the inner side that is arranged in described inner groove on described pressing plate is provided with the fixed plate that inserts described filler opening from the top of described thread plate and clamp thread plate.
9. diesel-oil filter according to claim 8, is characterized in that: described fixed plate is to start towards the extension of the inner side of inner groove and at least through three bending and moldings from the upper end-face edge of described inner groove.
10. diesel-oil filter according to claim 1 and 2, is characterized in that: described element kit also comprises smart filter core and is enclosed within the coarse filter element outside smart filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291645.0U CN203856632U (en) | 2014-06-03 | 2014-06-03 | Diesel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291645.0U CN203856632U (en) | 2014-06-03 | 2014-06-03 | Diesel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856632U true CN203856632U (en) | 2014-10-01 |
Family
ID=51606488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420291645.0U Expired - Fee Related CN203856632U (en) | 2014-06-03 | 2014-06-03 | Diesel filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856632U (en) |
-
2014
- 2014-06-03 CN CN201420291645.0U patent/CN203856632U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20200603 |