CN202366569U - Water filter - Google Patents
Water filter Download PDFInfo
- Publication number
- CN202366569U CN202366569U CN2011205340092U CN201120534009U CN202366569U CN 202366569 U CN202366569 U CN 202366569U CN 2011205340092 U CN2011205340092 U CN 2011205340092U CN 201120534009 U CN201120534009 U CN 201120534009U CN 202366569 U CN202366569 U CN 202366569U
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- ring wall
- cartridge
- filter core
- wall
- filter element
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Abstract
The utility model provides a water filter which mainly comprises a filter core body and a filter core seat, wherein an expansion part, a water outlet part and a water outlet column which form a step shape are arranged at the top of the filter core body; at least three clamping latches are arranged outwards on the surface of the expansion part in a protruding manner; the water outlet part and the water outlet column of the filter core are provided with circumferential surfaces with roundness after a plastic injection molding process; an outer ring wall, a middle ring wall and an inner ring wall are formed on the bottom surface of the filter core seat towards the top surface of the filter core seat in an inner diameter reducing manner; at least three clamping seats extend inwards on the surface of the inner edge of the outer wall in a protruding manner; a cohesion part is arranged in a short direction of each clamping seat, which is vertical to the outer ring wall; the cohesion parts are mutually connected with the middle ring wall; and the middle ring wall and the inner ring wall are provided with wall surfaces with roundness. By adopting a design that the circumferential surfaces with roundness of the water outlet part and the water outlet column of the filter core body correspond to the wall surfaces with roundness of the middle and the inner ring wall of the filter core seat screwed with the filter core body, the best sealing effect can be achieved when the filter core body is screwed with the filter core seat, thereby achieving a water seepage prevention effect when the water pressure is high.
Description
Technical field
The utility model relates to a kind of water filter, refers to a kind of water filter of tool out of roundness sealing property especially.
Background technology
At present; Special-purpose filtering element (cartridge) and the filter element base of commercially available water filter shown in Figure 6, wherein these filtering element (cartridge) 100 tops are formed with an expansion section A, and expansion section surface level correspondence position is convexly equipped with the tenon D of symmetry outwardly; Surface, expansion section central vertical is convexly equipped with an outlet part B; Outlet part is connected with the abutment face E that passes through between the expansion section, and outlet part surface central vertical is convexly equipped with an effluent column C with outlet part B surface respectively is formed with an annular groove F, and it is sheathed to supply two O shapes to encircle G respectively; And rotate the filter element base 200 of socket with the filtering element (cartridge) top; Be formed with respectively from the inside to the outside with effluent column O shape and encircle against the internal ring wall c that seals, encircle against the middle ring wall b of sealing with outlet part O shape; And the external annulus a of corresponding expansion section; The corresponding tenon of ring wall position convexes with the L shaped deck d that the confession tenon spun, fastened spacing usefulness respectively in addition, and this L shaped deck is formed with the convergence part e that is connected with middle ring wall with the vertical short direction of external annulus.
Above-mentioned filtering element (cartridge) and the filter element base that utilizes plastic cement to penetrate; For dealing with two tenons and the L shaped deck that powerful hydraulic pressure is derived; Have the reinforcement in the hope of structure of the length that increases tenon only, the vertically short direction thickness of the relative external annulus of opposing L shape deck also need thicken, and relatedly derives following disappearance:
The first, the filtering element (cartridge) and the filter element base of two decks of commercially available two tenons cooperation; Because cost is considered the cheap general plastic rubber ejaculate molding scheme of adopting; But when this cooperation filtering element (cartridge) and filter element base mould carry out plastic rubber ejaculate molding, have the practice now, reduce under the 80-95% situation for treating the ejection formation chilling temperature for asking the smooth demoulding; Treat that the plastics in the mould still possess the demoulding by force of a little thermoplasticity, place fixed point after taking out in the mould again and treat that it cools off fully, finalizes the design.But filtering element (cartridge) or filter element base be by taking out in the mould when placing extraneous cooling, according to convention, outsidely directly contact with cool ambient air, so the external refrigeration time than the inside weak point, perhaps wall thin location cool time is than short two kinds of patterns of wall thicker part time;
Yet; The tenon length and the deck thickness that are strengthened rigidity as stated extend; Make on the filter element base external annulus L shaped deck be connected in the joining place wall of ring wall the thickest, so according to above-mentioned from outside to inside, by being as thin as thick cooling principle, when this external annulus is accomplished cooling; The thickest factor is slower cool time because of thickness for this deck; Therefore cross cool time and can cause that washing shrinkage is more difficult to be controlled when slow, this place cool off at a slow speed when shrinking, connect and cause middle ring wall face and the corresponding deck of internal ring wall face place generation " local dent " (being that wall can't reach out of roundness); And then cause and in, internal ring wall against O shape encircle airtight generation leak moving, and then the filtering element (cartridge) of the filter element apparatus of deriving infiltration disappearance;
Same principle; The tenon of expansion section and the abutment face place that is connected outlet part for filtering element (cartridge); Compared to outlet part or effluent column is the thickest part; So after cool off at a slow speed corresponding tenon position, also can cause the outlet part and the distortion of effluent column circumferential surface out of roundness of corresponding tenon position, make the filtering element (cartridge) and the filter element base infiltration situation that are connected with group double.
Certainly, though above-mentioned situation can overcome through so-called precision plastic rubber ejaculation means,, but be not suitable for the filtering element (cartridge) market of low-price competition for fear of the expensive processing cost that precision plastic rubber penetrates.Therefore, how to penetrate the field in cheap general plastic cement, based on not increasing under the processing cost condition, satisfy the demand that do not seep water that filtering element (cartridge) and the filter element base place of leaning reach out of roundness, satisfying is the main demand core of the utility model.
The utility model content
The purpose of the utility model is to provide a kind of makes the filtering element (cartridge) of mutual assembly and close being close to of filter element base close impermeable novel water filter.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of water filter of the utility model mainly comprises:
One filtering element (cartridge) body; This filtering element (cartridge) body top forms an expansion section, an outlet part and an effluent column of step shape one by one with the diameter mode of reducing; This surface, expansion section convexes with at least three tenons outwardly; Outlet part and effluent column peripheral edge surface respectively are formed with a ring groove, supply O shape ring set to establish, and wherein have the circumferential surface of out of roundness behind the outlet part of this filtering element (cartridge) and the effluent column plastic jetting forming; And
One filter element base, spiral shell are located at filtering element (cartridge) body top, and this filter element base water-exit vertically portion direction offers an exhalant canal.
The another kind of water filter of the utility model mainly comprises:
One filter element base has a bottom surface and an end face, is connected with a ring portion between this bottom surface and this end face; This filter element base bottom surface subtracts the expansion mode towards the end face direction with internal diameter and forms a ring wall and an internal ring wall in the external annulus; This external annulus inner peripheral surface protrudes out at least three decks inwardly, and the short direction that respectively this deck is vertical with external annulus is provided with a convergence part, and this convergence part and middle ring wall interconnect; The ring portion of this filter element base offers an exhalant canal; This exhalant canal is connected with internal ring wall, and wherein, ring wall and internal ring wall have the wall of an out of roundness in this; And
One filtering element (cartridge) body is established with the mutual spiral shell of this filter element base and to be combined.
The third water filter of the utility model mainly comprises:
One filtering element (cartridge) body; This filtering element (cartridge) body top forms an expansion section, an outlet part and an effluent column of step shape one by one with the diameter mode of reducing; This surface, expansion section convexes with at least three tenons outwardly; Outlet part and effluent column peripheral edge surface respectively are formed with a ring groove, supply O shape ring set to establish, and wherein have the circumferential surface of out of roundness behind the outlet part of this filtering element (cartridge) and the effluent column plastic jetting forming; And
One filter element base; Have a bottom surface and an end face, be connected with a ring portion between this bottom surface and this end face, this filter element base bottom surface subtracts the expansion mode towards the end face direction with internal diameter and forms a ring wall and an internal ring wall in the external annulus; This external annulus inner peripheral surface protrudes out at least three decks inwardly; The short direction that respectively this deck is vertical with external annulus is provided with a convergence part, and this convergence part and middle ring wall interconnect, and ring wall and internal ring wall have the wall of an out of roundness in this.
The ring portion of said filter element base offers an exhalant canal, and this exhalant canal is connected with internal ring wall.The advantage of the utility model is:
The water filter of the utility model; The circumferential surface of the outlet part of filtering element (cartridge) body and effluent column tool out of roundness; In the filter element base that correspondence is spirally connected, internal ring wall adopts the design of out of roundness wall; Make filtering element (cartridge) body and filter element base reach best sealing property when being spirally connected each other, the water-impervious effect when obtaining high hydraulic pressure.
Description of drawings
Fig. 1 is the combination sketch map of the utility model water filter.
Fig. 2 separates sketch map for the filtering element (cartridge) of Fig. 1 water filter with filter element base.
Fig. 3 is the filtering element (cartridge) and the filter element base generalized section of combination.
Fig. 3 A is the floor map of filter element base.
Fig. 4 is the manufacturing flow chart of the filtering element (cartridge) control out of roundness of the utility model water filter.
Fig. 5 is the manufacturing flow chart of the filter element base control out of roundness of the utility model water filter.
Fig. 6 is that the filtering element (cartridge) of commonly using separates sketch map with filter element base.
Reference numeral
100: filtering element (cartridge) G:O shape ring A: expansion section 200: filter element base B: outlet part
A: external annulus C: effluent column b: middle ring wall D: tenon c: internal ring wall E: abutment face
D: deck F: annular groove e: convergence part 1: filtering element (cartridge) body 2: filter element base
11: expansion section 21: internal ring wall 12: outlet part 22: middle ring wall 13: effluent column
23: external annulus 14: tenon 24: deck 15: ring groove 25: convergence part
16:O shape ring 30,30a: penetrate 10,10a: get the raw materials ready 40,40a: delivery
20,20a: put material 201: ring portion 202: exhalant canal
The specific embodiment
The relevant a kind of water filter of the utility model, at first with reference to shown in Figure 4, about the filtering element (cartridge) control out of roundness manufacturing approach of water filter, key step comprises:
Get the raw materials ready 10: plastic material is inserted board;
Put mould 20: the filtering element (cartridge) mould is placed the board correspondence position, and this nearly top of filtering element (cartridge) mould outer peripheral edges annular space is formed with three to six rectangular depressions;
Penetrate 30: the plastic material hot melt through board also injects moulding to be cooled in the filtering element (cartridge) mould;
Delivery 40: the plastic cement temperature cooling in this filtering element (cartridge) mould is reduced under the 70-95% state; Treat its cooling and shaping from the mould taking-up; It is shorter promptly to form annular neighbor distance, and the filtering element (cartridge) of length than three above tenons of the tenon contraction in length at least 1/5 of two tenon filtering element (cartridge)s that extend outwardly.
Cooperate again referring to figs. 1 through shown in Figure 3; See through the filtering element (cartridge) of above-mentioned manufacturing approach plastic rubber ejaculate molding, mainly comprise a filtering element (cartridge) body 1, this filtering element (cartridge) body top; Be formed with expansion section 11, outlet part 12 and the effluent column 13 of step shape with the diameter mode of reducing; 11 surfaces, expansion section convex with at least three tenons (being six at most) 14 outwardly, and outlet part and effluent column peripheral edge surface respectively are formed with a ring groove 15, supply O shape to encircle 16 sheathed usefulness.
The graphic filtering element (cartridge) of taking off three above tenons of tool; Because quantity increases feasible hydraulic pressure loading originally; By traditional halves then be dispersed into three to six equal portions; So the tenon evagination contraction in length of two the tenon filtering element (cartridge)s of the more commercially available tool of tenon 14 evagination length on the filtering element (cartridge) is (tenon quantity increases tenon evagination length decrement and increases gradually) more than 1/5, each the tenon length that helps corresponding depression formation is reduced, and makes the thickness between tenon to outlet part keep consistent with the filtering element (cartridge) body thickness; Also obtain identical washing shrinkage during in order to slow cooling, and then obtain the filtering element (cartridge) of tool out of roundness.
Moreover, because the tenon on the filtering element (cartridge) increases to three to six, make tenon quantity little because of intensive factor; Significantly shorten tenon neighbor distance to each other; Let tenon on the filtering element (cartridge) near circular arrangement, although the thicker tenon in place, expansion section is slower cool time, its cooling is shunk and is caused outlet part or effluent column surface depressed deformation; This deformation place also can keep the circumferential surface of an out of roundness, and then obtains the filtering element (cartridge) of tool out of roundness.
Refer again to shown in Figure 5ly, about the filter element base of the utility model water filter control out of roundness manufacturing approach, key step comprises:
10a gets the raw materials ready: plastic material is inserted board;
Put mould 20a: the filter element base mould is placed the board correspondence position, this filter element base external annulus inner peripheral surface, annular space is concaved with at least three L shaped depressions;
Penetrate 30a: the plastic material hot melt through board also injects moulding to be cooled in the filter element base mould;
Cooperate Fig. 1 to Fig. 3 with shown in Fig. 3 A again; This filter element base 2 has a bottom surface and an end face, is connected with a ring portion 201 between this bottom surface and this end face; These filter element base 2 bottom surfaces subtract the expansion mode towards the end face direction with internal diameter and form a ring wall 22 and an internal ring wall 21 in the external annulus 23; These external annulus 23 inner peripheral surface protrude out at least three decks 24 inwardly, and respectively this deck 24 is provided with a convergence part 25 with external annulus 23 vertical short directions, and this convergence part 25 interconnects with middle ring wall 22; The ring portion 201 of this filter element base 2 offers an exhalant canal 202 again, this exhalant canal 202 and these internal ring wall 21 vertical connections; Because the tenon factor amount of above-mentioned filtering element (cartridge) increases; And shorten the length that the relative filtering element (cartridge) body of tenon extends outwardly gradually, and the feasible filter element base 2 that cooperates filtering element (cartridge) to spin, its deck protrudes out inwardly also short and small (being the thickness attenuation); Can shorten the cool time at deck position thus, reduce washing shrinkage.
Moreover; Must shorten deck that ring is located at external annulus 23 inner peripheral surface distance to each other because of deck quantity increases, the deck on the external annulus is arranged with intensive circular-mode, even if thicker tenon position cool time is long, washing shrinkage becomes big; And the systolic depression that the wall of internal ring wall and middle ring wall is formed; Also can be rotund pattern, thus the ring of the O shape in the filtering element (cartridge) outlet part, effluent column ring groove and interior, middle ring wall against the time, influence distortion because of interior, middle ring wall face receives the deck washing shrinkage; The wall position of this distortion still keeps out of roundness; After making that the filtering element (cartridge) utilize the utility model processing procedure to make spins with filter element base each other,, lack and must overcome the infiltration that out of roundness distortion that the filtering element (cartridge) of two tenons of tradition cooperates two deck filter element bases to exist given birth to because the out of roundness advantage is all kept in the design of the counter structure of two members.
In sum, the notion that the utility model water filter is novel, feasible mutual assembly filtering element (cartridge) and the filter element base of processing, the driving fit position that contacts all can obtain splendid driving fit progressive effect.
Claims (4)
1. water filter is characterized in that: mainly comprise:
One filtering element (cartridge) body; This filtering element (cartridge) body top forms an expansion section, an outlet part and an effluent column of step shape one by one with the diameter mode of reducing; This surface, expansion section convexes with at least three tenons outwardly; Outlet part and effluent column peripheral edge surface respectively are formed with a ring groove, supply O shape ring set to establish, and wherein have the circumferential surface of out of roundness behind the outlet part of this filtering element (cartridge) and the effluent column plastic jetting forming; And
One filter element base, spiral shell are located at filtering element (cartridge) body top, and this filter element base water-exit vertically portion direction offers an exhalant canal.
2. water filter is characterized in that: mainly comprise:
One filter element base has a bottom surface and an end face, is connected with a ring portion between this bottom surface and this end face; This filter element base bottom surface subtracts the expansion mode towards the end face direction with internal diameter and forms a ring wall and an internal ring wall in the external annulus; This external annulus inner peripheral surface protrudes out at least three decks inwardly, and the short direction that respectively this deck is vertical with external annulus is provided with a convergence part, and this convergence part and middle ring wall interconnect; The ring portion of this filter element base offers an exhalant canal; This exhalant canal is connected with internal ring wall, and wherein, ring wall and internal ring wall have the wall of an out of roundness in this; And
One filtering element (cartridge) body is established with the mutual spiral shell of this filter element base and to be combined.
3. water filter is characterized in that: mainly comprise:
One filtering element (cartridge) body; This filtering element (cartridge) body top forms an expansion section, an outlet part and an effluent column of step shape one by one with the diameter mode of reducing; This surface, expansion section convexes with at least three tenons outwardly; Outlet part and effluent column peripheral edge surface respectively are formed with a ring groove, supply O shape ring set to establish, and wherein have the circumferential surface of out of roundness behind the outlet part of this filtering element (cartridge) and the effluent column plastic jetting forming; And
One filter element base; Have a bottom surface and an end face, be connected with a ring portion between this bottom surface and this end face, this filter element base bottom surface subtracts the expansion mode towards the end face direction with internal diameter and forms a ring wall and an internal ring wall in the external annulus; This external annulus inner peripheral surface protrudes out at least three decks inwardly; The short direction that respectively this deck is vertical with external annulus is provided with a convergence part, and this convergence part and middle ring wall interconnect, and ring wall and internal ring wall have the wall of an out of roundness in this.
4. water filter as claimed in claim 3 is characterized in that: the ring portion of said filter element base offers an exhalant canal, and this exhalant canal is connected with internal ring wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205340092U CN202366569U (en) | 2011-12-19 | 2011-12-19 | Water filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205340092U CN202366569U (en) | 2011-12-19 | 2011-12-19 | Water filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366569U true CN202366569U (en) | 2012-08-08 |
Family
ID=46590294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205340092U Expired - Lifetime CN202366569U (en) | 2011-12-19 | 2011-12-19 | Water filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202366569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996578A (en) * | 2012-10-17 | 2013-03-27 | 宁波长壁流体动力科技有限公司 | High-pressure back-wash filter station |
| CN105344147A (en) * | 2014-08-18 | 2016-02-24 | 杭州科百特过滤器材有限公司 | Filter |
-
2011
- 2011-12-19 CN CN2011205340092U patent/CN202366569U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996578A (en) * | 2012-10-17 | 2013-03-27 | 宁波长壁流体动力科技有限公司 | High-pressure back-wash filter station |
| CN102996578B (en) * | 2012-10-17 | 2015-07-22 | 宁波长壁流体动力科技有限公司 | High-pressure back-wash filter station |
| CN105344147A (en) * | 2014-08-18 | 2016-02-24 | 杭州科百特过滤器材有限公司 | Filter |
| CN105344147B (en) * | 2014-08-18 | 2017-09-19 | 杭州科百特过滤器材有限公司 | A kind of filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |