CN201799165U - Filter element case anti-loosing structure - Google Patents
Filter element case anti-loosing structure Download PDFInfo
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- CN201799165U CN201799165U CN2010205410349U CN201020541034U CN201799165U CN 201799165 U CN201799165 U CN 201799165U CN 2010205410349 U CN2010205410349 U CN 2010205410349U CN 201020541034 U CN201020541034 U CN 201020541034U CN 201799165 U CN201799165 U CN 201799165U
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- loose
- shaped
- retainer plate
- limit
- end cover
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Abstract
The utility model discloses a filter element case anti-loosing structure which comprises a filter element case and an upper end cover, wherein female threads are machined at the open end of the filter element case and the upper end cover is matched with the filter element case in a screwing and sealing way. A flange edge which is in press fit with the upper end surface of the open end is machined on the upper end cover. The flange edge of the upper end cover and the open end of the filter element case are provided with an anti-loosing fixing ring. At least one anti-loosing toothed fastener is machined on the outer periphery of the flange edge. Correspondingly, at least one anti-loosing toothed groove which is matched with the anti-loosing toothed fastener is machined on the internal surface on which the anti-loosing fixing ring is in contact with the outer periphery of the flange edge. At least one anti-loosing convex block is machined on the external end surface of the open end. Correspondingly, at least one anti-loosing groove which is matched with the anti-loosing convex block is arranged at the lower part of the anti-loosing fixing ring. The utility model can effectively prevent unstable tap water pressure and water hammer from causing problems of end cover loosing and water leakage, and has the advantages of reasonable structure, mature technique, convenient disassembling and the like.
Description
Technical field
The utility model relates to a kind of purifier, the pressure-bearing filter case equipment that particularly a kind of sealing requirements is higher, specifically filter case anti-loose structure.
Background technology
Purifier is a kind of water treatment facilities, can effectively remove chlorine, heavy metal bacterium, virus, algae and solid suspension in the former water, thereafter being equipped with activated carbon treatment will be further except that the various organic matter in anhydrating, make the limpid cleaning of water after the processing, aseptic, can provide totally to people, the drinking water of standard.In the prior art, purifier filter housing cylindrical shell and end cap generally adopt screw thread to add the end face seal mode and are connected and sealed, the benefit that employing is threaded is that its process for machining and manufacturing is simple, and can change the filter core in the filter housing cylindrical shell easily, saves use cost.But this connected mode also has its shortcoming, exactly in long-term use because tap water hydraulic is unstable and having in the pipeline of pressure, because the unexpected switch of valve, the unexpected start and stop of water pump etc., water velocity is changed suddenly, thereby cause the alternately variation that pressure sharply raises or reduces, and the water hammer that forms can make the end cap thread looseness at an easy rate, cause the junction of filter housing cylindrical shell and end cap to leak or seepage, cause the waste of water resource.Therefore people are badly in need of solving this technical barrier.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, provide a kind of simple in structure, remove and install conveniently, dependable performance and can prevent the filter case anti-loose structure that end cap causes screw thread to get loose because of tap water hydraulic instability and water hammer.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the filter case anti-loose structure, comprise that openend is shaped on the filter core housing of internal thread and the upper end cover that cooperates with its helixseal, described upper end cover is shaped on the protruding rafter limit with the pressing of openend upper surface, its upper end cover protruding rafter limit and filter core housing openend cover are furnished with an anti-loose retainer plate, described protruding rafter limit outer peripheral face is shaped on an anti-loose tooth button at least, correspondingly, described anti-loose retainer plate is shaped on an anti-loose teeth groove that matches with it at least with the contacted inner surface of protruding rafter limit outer peripheral face; Described openend outer face is shaped on an anti-loose projection at least, and correspondingly, described anti-loose retainer plate bottom has an anti-loose groove that matches with it at least.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned anti-loose retainer plate top is shaped on the centring ring that extends internally, and centring ring matches with protruding rafter limit upper surface roof pressure.
Above-mentioned filter core housing and openend are formed with the tapering transition section of external diameter gradual change, and correspondingly, described anti-loose retainer plate bottom is shaped on the tapering transition section blocks the protruding button limit of joining mutually.
Above-mentioned upper end cover is shaped on protruding the chewing of connection that is connected with openend internal thread spiral, and protruding the chewing of described connection is shaped on the ring packing groove, and sealed groove is fitted with soft rubber seal.
Above-mentioned protruding rafter limit outer peripheral face the anti-loose tooth button that radian is arranged such as circumferentially is shaped on along whole, and correspondingly, described anti-loose retainer plate is shaped on the anti-loose teeth groove that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit outer peripheral face.
Above-mentioned openend outer face is along circumferentially waiting radian to be shaped on six anti-loose projections, and correspondingly, radians such as described anti-loose retainer plate bottom are shaped on six anti-loose grooves that match with it.
Compared with prior art, upper end cover of the present utility model protruding rafter limit and filter core housing openend cover are furnished with an anti-loose retainer plate, and protruding rafter limit outer peripheral face is shaped on an anti-loose tooth button at least, correspondingly, anti-loose retainer plate is shaped on an anti-loose teeth groove that matches with it at least with the contacted inner surface of protruding rafter limit outer peripheral face; The openend outer face is shaped on an anti-loose projection at least, and correspondingly, anti-loose retainer plate bottom has an anti-loose groove that matches with it at least.The utility model is by adding anti-loose retainer plate of cover on upper end cover, the anti-loose groove and the anti-loose teeth groove that utilize anti-loose retainer plate to be shaped on engage the location mutually with the anti-loose projection of filter core housing and the anti-loose tooth button of upper end cover respectively, upper end cover can not freely be rotated, thereby realize the order ground of locking, can prevent from effectively to go out influence by what hydraulic pressure shakiness and water hammer caused.This utility model is simple in structure, stable performance, and have hydraulic pressure holding capacity height, good airproof performance is convenient to advantages such as assembling.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to generalized section;
Fig. 3 is the structural representation of upper end cover among Fig. 1;
Fig. 4 is an anti-loose fixed ring schematic diagram among Fig. 1;
Fig. 5 is one of the utility model embodiment stereoscopic-state figure;
Fig. 6 is two of the utility model embodiment stereoscopic-state figure;
Fig. 7 is an anti-loose retainer plate schematic perspective view among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 7 shows that structural representation of the present utility model.
Reference numeral wherein is: filter core housing 1, openend 11, tapering transition section 12, upper end cover 2, protruding rafter limit 21, upper surface 21b, anti-loose tooth button 22, connect protrudingly chew 23, sealed groove 23a, anti-loose retainer plate 3, anti-loose groove 31, anti-loose teeth groove 32, centring ring 33, protruding button limit 34, anti-loose projection 4, rubber seal 5.
Extremely shown in Figure 7 as Fig. 1, filter case anti-loose structure of the present utility model, comprise that openend 11 is shaped on the filter core housing 1 of internal thread and the upper end cover 2 that cooperates with its helixseal, described upper end cover 2 is shaped on the protruding rafter limit 21 with openend 11 upper surface pressings, its upper end cover 2 protruding rafter limits 21 and filter core housing 1 openend 11 covers are furnished with an anti-loose retainer plate 3, described protruding rafter limit 21 outer peripheral faces are shaped on an anti-loose tooth button 22 at least, correspondingly, described anti-loose retainer plate 3 is shaped on an anti-loose teeth groove 32 that matches with it at least with the contacted inner surface of protruding rafter limit 21 outer peripheral faces; Described openend 11 outer faces are shaped on an anti-loose projection 4 at least, and correspondingly, described anti-loose retainer plate 3 bottoms have an anti-loose groove 31 that matches with it at least.Anti-loose retainer plate 3 and filter core housing 1 and upper end cover 2 snap lock that the utility model is joined by cover, upper end cover 2 can not be rotated freely, thereby upper end cover 2 is fixed on the filter core housing 1 firmly, assurance upper end cover 2 can not become flexible with filter core housing 1 and leak, adopting anti-loose retainer plate 3 can bear higher hydraulic pressure impacts, also convenient for assembly simultaneously and the dismounting, it is simple to have manufacturing process, characteristics with low cost.
Embodiment one, as shown in Figure 1, the openend 11 of filter core housing 1 is shaped on internal thread, upper end cover 2 is shaped on that the connection that is connected with openend 11 internal thread spirals is protruding chews 23, and connect and protrudingly chew 23 and be shaped on ring packing groove 23a, sealed groove 23a is fitted with soft rubber seal 5, upper end cover 2 cooperates installation by rubber seal 5 with filter core housing 1 liquid sealing, upper end cover 2 is shaped on the protruding rafter limit 21 with openend 11 upper surface pressings, protruding rafter limit 21 and filter core housing 1 openend 11 covers are furnished with an anti-loose retainer plate 3, anti-loose retainer plate 3 can insert cover from top to down and join installation, as Fig. 2, shown in Figure 3, anti-loose retainer plate 3 tops are shaped on the centring ring 33 that extends internally, and centring ring 33 matches with protruding rafter limit 21 upper surface 21b roof pressures.The outer peripheral face on protruding rafter limit 21 the anti-loose tooth button 22 that radian is arranged such as circumferentially is shaped on along whole, and correspondingly, described anti-loose retainer plate 3 is shaped on the anti-loose teeth groove 32 that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit 21 outer peripheral faces.Anti-loose teeth groove 32 is clasped mutually with anti-loose tooth button 22.As Fig. 2, shown in Figure 7, the openend 11 of filter core housing 1, the outer face is along circumferentially waiting radian to be shaped on six anti-loose projections 4, and correspondingly, radians such as described anti-loose retainer plate 3 bottoms are shaped on six anti-loose grooves 31 that match with it.Six anti-loose projections 4 and six anti-loose groove 31 impartial radians are symmetrical arranged, filter core housing 1 and openend 11 are formed with the tapering transition section 12 of external diameter gradual change, correspondingly, described anti-loose retainer plate 3 bottoms are shaped on tapering transition section 12 and block the protruding button limit 34 of joining mutually.Protruding button limit 34 has elastic reaction when mounted, and obvolvent filter core housing 1 effectively makes that anti-loose retainer plate 3 contacts with upper end cover 2 closely with filter core housing 1, no gap.
Embodiment two, among the embodiment, protruding rafter limit 21 outer peripheral faces the anti-loose tooth button 22 that radian is arranged such as circumferentially are shaped on along whole, and correspondingly, described anti-loose retainer plate 3 is shaped on the anti-loose teeth groove 32 that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit 21 outer peripheral faces.Described openend 11 outer faces are along circumferentially waiting radian to be shaped on four anti-loose projections 4, and correspondingly, radians such as described anti-loose retainer plate 3 bottoms are shaped on four anti-loose grooves 31 that match with it.
Embodiment three, among the embodiment, protruding rafter limit 21 outer peripheral faces the anti-loose tooth button 22 that radian is arranged such as circumferentially are shaped on along whole, and correspondingly, described anti-loose retainer plate 3 is shaped on the anti-loose teeth groove 32 that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit 21 outer peripheral faces.Described openend 11 outer faces are along circumferentially waiting radian to be shaped on two anti-loose projections 4, and correspondingly, radians such as described anti-loose retainer plate 3 bottoms are shaped on two anti-loose grooves 31 that match with it.
Embodiment four, among the embodiment, protruding rafter limit 21 outer peripheral faces the anti-loose tooth button 22 that radian is arranged such as circumferentially are shaped on along whole, and correspondingly, described anti-loose retainer plate 3 is shaped on the anti-loose teeth groove 32 that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit 21 outer peripheral faces.Described openend 11 outer faces are along circumferentially waiting radian to be shaped on five anti-loose projections 4, and correspondingly, radians such as described anti-loose retainer plate 3 bottoms are shaped on five anti-loose grooves 31 that match with it.
Embodiment five, among the embodiment, protruding rafter limit 21 outer peripheral faces the anti-loose tooth button 22 that radian is arranged such as circumferentially are shaped on along whole, and correspondingly, described anti-loose retainer plate 3 is shaped on the anti-loose teeth groove 32 that waits the radian arrangement that matches with it with the contacted inner surface of protruding rafter limit 21 outer peripheral faces.Described openend 11 outer faces are along circumferentially waiting radian to be shaped on three anti-loose projections 4, and correspondingly, radians such as described anti-loose retainer plate 3 bottoms are shaped on three anti-loose grooves 31 that match with it.
The utility model is to realize that like this restriction end cap screw thread pine moves back.
As Fig. 5, shown in Figure 6, seal by the mode that adopts screw thread to add end face rubber seal 5 between upper end cover 2 and the filter core housing 1.After working good, upper end cover 2 and filter core housing 1 from top to bottom insert anti-loose retainer plate 3 again, anti-loose retainer plate 3 is shaped on anti-loose teeth groove 32, be used to cooperate the anti-loose tooth button 22 of upper end cover 2, the anti-loose groove 31 that matches with the anti-loose projection 4 of filter core housing 1 is arranged at the bottom, is used to limit the angle that upper end cover 2 rotates.After anti-loose retainer plate 3 blocked upper end cover 2, upper end cover 2 just wanted to rotate and must rotate by the anti-loose retainer plate 3 of drive, thereby can realize sealed order ground.
Unstable or when having water hammer when hydraulic pressure, can cause upper end cover 2 and anti-loose retainer plate 3 to rotate along the thread looseness direction together, when state 1 position forwards state 2 positions to, the bottom of anti-loose retainer plate 3 arrives to the anti-loose projection 4 of filter core housing 1, has stoped upper end cover 2 further to get loose.The angle of rotating during owing to get loose is very little, and upper end cover 2 still can play the effect of sealing, thereby stops drainage.When needs more during renew cartridge,, upper end cover 2 can be screwed out more renew cartridge as long as anti-loose retainer plate 3 is upwards taken out.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (6)
1. filter case anti-loose structure, comprise that openend (11) is shaped on the filter core housing (1) of internal thread and the upper end cover (2) that cooperates with its helixseal, described upper end cover (2) is shaped on the protruding rafter limit (21) with openend (11) upper surface pressing, it is characterized in that: described upper end cover (2) protruding rafter limit (21) and filter core housing (1) openend (11) cover are furnished with an anti-loose retainer plate (3), described protruding rafter limit (21) outer peripheral face is shaped on an anti-loose tooth button (22) at least, correspondingly, described anti-loose retainer plate (3) is shaped on an anti-loose teeth groove (32) that matches with it at least with the contacted inner surface of protruding rafter limit (21) outer peripheral face; Described openend (11) outer face is shaped on an anti-loose projection (4) at least, and correspondingly, described anti-loose retainer plate (3) bottom has an anti-loose groove (31) that matches with it at least.
2. filter case anti-loose structure according to claim 1 is characterized in that: described anti-loose retainer plate (3) top is shaped on the centring ring (33) that extends internally, and centring ring (33) matches with protruding rafter limit (21) upper surface (21b) roof pressure.
3. filter case anti-loose structure according to claim 2, it is characterized in that: described filter core housing (1) and openend (11) are formed with the tapering transition section (12) of external diameter gradual change, correspondingly, described anti-loose retainer plate (3) bottom is shaped on tapering transition section (12) and blocks the protruding button limit (34) of joining mutually.
4. filter case anti-loose structure according to claim 3, it is characterized in that: described upper end cover (2) is shaped on protruding the chewing of connection (23) that is connected with openend (11) internal thread spiral, described connection is protruding chews (23) and is shaped on ring packing groove (23a), and sealed groove (23a) is fitted with soft rubber seal (5).
5. filter case anti-loose structure according to claim 4, it is characterized in that: described protruding rafter limit (21) outer peripheral face the anti-loose tooth button (22) that radian is arranged such as circumferentially is shaped on along whole, correspondingly, described anti-loose retainer plate (3) is shaped on the anti-loose teeth groove (32) that waits radian to arrange that matches with it with the contacted inner surface of protruding rafter limit (21) outer peripheral face.
6. filter case anti-loose structure according to claim 5, it is characterized in that: described openend (11) outer face is along circumferentially waiting radian to be shaped on six anti-loose projections (4), correspondingly, radian such as described anti-loose retainer plate (3) bottom is shaped on six the anti-loose grooves (31) that match with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205410349U CN201799165U (en) | 2010-09-21 | 2010-09-21 | Filter element case anti-loosing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205410349U CN201799165U (en) | 2010-09-21 | 2010-09-21 | Filter element case anti-loosing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201799165U true CN201799165U (en) | 2011-04-20 |
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ID=43868682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205410349U Expired - Lifetime CN201799165U (en) | 2010-09-21 | 2010-09-21 | Filter element case anti-loosing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201799165U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979124A (en) * | 2010-09-21 | 2011-02-23 | 浙江沁园水处理科技有限公司 | Anti-looseningning structure of filter core shell |
| CN104226011A (en) * | 2014-07-30 | 2014-12-24 | 江苏正本净化节水科技实业有限公司 | Connecting structure |
| CN108854242A (en) * | 2018-07-10 | 2018-11-23 | 珠海格力电器股份有限公司 | Components, filter core and the purifier of filter core |
-
2010
- 2010-09-21 CN CN2010205410349U patent/CN201799165U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979124A (en) * | 2010-09-21 | 2011-02-23 | 浙江沁园水处理科技有限公司 | Anti-looseningning structure of filter core shell |
| CN104226011A (en) * | 2014-07-30 | 2014-12-24 | 江苏正本净化节水科技实业有限公司 | Connecting structure |
| CN104226011B (en) * | 2014-07-30 | 2016-07-06 | 江苏正本净化节水科技实业有限公司 | A kind of draw bail |
| CN108854242A (en) * | 2018-07-10 | 2018-11-23 | 珠海格力电器股份有限公司 | Components, filter core and the purifier of filter core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG QINYUAN WATER PURIFIER S. T. CO., LTD. Free format text: FORMER NAME: ZHEJIANG QINYUAN WATER TREATMENT TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315336 Zhejiang city of Cixi province Hangzhou Bay area Xingci Road No. 358 Zhejiang Qinyuan Water Treatment Technology Co., Ltd. Patentee after: Zhejiang Qinyuan Water Purifier S.T. Co., Ltd. Address before: Polytron Technologies Inc Zhejiang Qinyuan water treatment Industrial Development Zone in Zhejiang province Cixi City Qiaotou town 315317 Patentee before: Zhejiang Qinyuan Water Treatment Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110420 Effective date of abandoning: 20120704 |