阅读说明：本技术 一种过滤器用组合式滤水帽 (Combined water filter cap for filter ) 是由 邹洪祥 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种过滤器用组合式滤水帽,涉及滤水帽技术领域。该过滤器用组合式滤水帽,包括帽体,所述帽体上贯穿设置有受力杆,所述受力杆的表面且位于帽体的下方从上往下依次套设有底盖、止退垫片和锁紧螺母,所述受力杆上设置有限位槽。该过滤器用组合式滤水帽,通过受力杆的改良,很好的限制了帽体和底盖的位置,同时通过止退垫片和锁紧螺母的改良以及限位槽的配合使用,很好的避免了在使用中由于锁紧螺母受力相对于受力杆旋转而导致的锁紧螺母松脱,在保证制造成本的前提下极大的增加了抗压强度以及连接的可靠性,方便了使用者的使用。(The invention discloses a combined water filtering cap for a filter, and relates to the technical field of water filtering caps. The combined water filtering cap for the filter comprises a cap body, wherein a stress rod penetrates through the cap body, a bottom cover, a stopping gasket and a locking nut are sequentially sleeved on the surface of the stress rod and below the cap body from top to bottom, and a limiting groove is formed in the stress rod. This combination formula water filter cap for filter, improvement through the atress pole, fine restriction the position of the cap body and bottom, the improvement and the cooperation of spacing groove through stopping gasket and lock nut use simultaneously, fine having avoided in use because lock nut atress rotatory and the lock nut pine that leads to for the atress pole takes off, very big increase compressive strength and the reliability of connecting under the prerequisite of guaranteeing manufacturing cost, made things convenient for user's use.)

1. The utility model provides a combination formula water filter cap for filter, includes cap body (1), run through on the cap body (1) and be provided with atress pole (2), its characterized in that: the bottom cover (3), the backstop gasket (4) and the lock nut (5) are sequentially sleeved on the surface of the stress rod (2) and below the cap body (1) from top to bottom, and a limiting groove (6) is formed in the stress rod (2);

the cap body (1) comprises a cap body outer shell (11), a cap body gap (12) is formed in the cap body outer shell (11), and a bottom ring (13) capable of being sleeved on the surface of the bottom cover (3) is arranged at the bottom of the cap body outer shell (11);

the stress rod (2) comprises a rod body (26), a connecting thread (23) matched with the locking nut (5) is arranged at the bottom of the rod body (26), a communicating groove (22) is formed in the rod body (26), a limiting ring (21) matched with the cap body (1) is arranged at the top of the rod body (26), an upper clamping block (24) is arranged on the rod body (26) and located between the communicating groove (22) and the limiting ring (21), the cap body shell (11) is clamped between the upper clamping block (24) and the limiting ring (21), and a lower clamping block (25) is arranged on the rod body (26) and located below the communicating groove (22);

the bottom cover (3) comprises a cover body (31), a through hole (33) is formed in the cover body (31), and a clamping groove (32) matched with the lower clamping block (25) is formed in the cover body (31);

the anti-return gasket (4) comprises a gasket body (43), wherein a raised ring (41) is arranged on the gasket body (43), two sides of an inner cavity of the gasket body (43) are respectively provided with a limiting block (44) matched with the limiting groove (6), the gasket body (43) is embedded with an anti-return ring (45), and teeth are arranged below the anti-return ring (45);

the locking nut (5) comprises a nut body (51), the nut body (51) is in threaded connection with the stress rod (2) through a connecting thread (23), and the top of the nut body (51) is provided with a meshing tooth (52) matched with a tooth arranged below the backstop return (45).

2. A modular filter cap for a filter according to claim 1, wherein: the cap body shell (11) is provided with a fastening ring (14).

3. A modular filter cap for a filter according to claim 1, wherein: the gasket body (43) is provided with an anti-skid groove (42).

4. A modular filter cap for a filter according to claim 1, wherein: the cap body (1), the stress rod (2), the bottom cover (3), the retaining gasket (4) and the locking nut (5) are formed by injection molding of ABS or PP materials in parts.

Technical Field

The invention relates to the technical field of water filtering caps, in particular to a combined water filtering cap for a filter.

Background

The water filtering cap is a necessary water filtering element for sand filters and various medium filters, and has the characteristics of high filtering precision, corrosion resistance, convenient manufacture, long service life, low manufacturing cost, firm connection, convenient installation and the like.

The water cap is generally installed at the bottom of the filter, according to the size and the category of the filter, several tons or even tens of tons of filter materials are arranged on the water cap, and the damage and the falling of the water cap can generate larger economic loss for a user.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a combined water filter cap for a filter, which solves the problems that when the traditional filter cap is used, the filter cap is hollow, has insufficient strength, is easy to deform or even damage under pressure, has unstable heat seal quality, is difficult to find, is unreliable in thread locking due to separation of two bodies in use, and is easy to loosen or even separate threads after high-strength air water is repeatedly backwashed.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a combination formula water filter cap for filter, includes the cap body, it is provided with the atress pole to run through on the cap body, the surface of atress pole and the below that is located the cap body from last down overlap in proper order is equipped with bottom, stopping gasket and lock nut, be provided with the spacing groove on the atress pole.

The cap body comprises a cap body shell, a cap body gap is formed in the cap body shell, and a bottom ring capable of being sleeved on the surface of the bottom cover is arranged at the bottom of the cap body shell.

The stress rod comprises a rod body, a connecting thread matched with the locking nut is arranged at the bottom of the rod body, a communicating groove is formed in the rod body, a limiting ring matched with the cap body is arranged at the top of the rod body, an upper clamping block is arranged on the rod body and located between the communicating groove and the limiting ring, the cap body shell is clamped between the upper clamping block and the limiting ring, and a lower clamping block is arranged on the rod body and located below the communicating groove.

The bottom cover comprises a cover body, a through hole is formed in the cover body, and a clamping groove matched with the lower clamping block is formed in the cover body.

The stopping gasket comprises a gasket body, wherein a protruding ring is arranged on the gasket body, limiting blocks matched with the limiting grooves are arranged on two sides of an inner cavity of the gasket body, the stopping ring is inlaid on the gasket body, and teeth are arranged below the stopping ring.

The locking nut comprises a nut body, the nut body is in threaded connection with the stress rod through connecting threads, and the top of the nut body is provided with meshing teeth matched with teeth arranged below the backstop return.

Preferably, the cap shell is provided with a fastening ring.

Preferably, the gasket body is provided with an anti-slip groove.

Preferably, the cap body, the stress rod, the bottom cover, the retaining gasket and the locking nut are all formed by injection molding of ABS or PP materials in parts.

(III) advantageous effects

The invention provides a combined water filtering cap for a filter. The method has the following beneficial effects: this combination formula water filter cap for filter, improvement through the atress pole, fine restriction the position of the cap body and bottom, the improvement and the cooperation of spacing groove through stopping gasket and lock nut use simultaneously, fine having avoided in use because lock nut atress rotatory and the lock nut pine that leads to for the atress pole takes off, very big increase compressive strength and the reliability of connecting under the prerequisite of guaranteeing manufacturing cost, made things convenient for user's use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an assembled structure of the present invention;

FIG. 3 is a cross-sectional view of the assembled structure of the present invention;

FIG. 4 is a schematic structural view of the cap of the present invention;

FIG. 5 is a schematic structural view of the force-bearing rod of the present invention;

FIG. 6 is a schematic structural view of a bottom cover according to the present invention;

FIG. 7 is a top view of the retaining shim of the present invention;

FIG. 8 is a side cross-sectional view of the retaining shim of the present invention;

fig. 9 is a schematic structural view of the lock nut of the present invention.

In the figure: 1. a cap body; 11. a cap shell; 12. a gap between the cap body; 13. a bottom ring; 14. a fastening ring; 2. a stress beam; 21. a limiting ring; 22. a communicating groove; 23. connecting threads; 24. an upper clamping block; 25. a lower clamping block; 26. a rod body; 3. a bottom cover; 31. a cover body; 32. a card slot; 33. a through hole; 4. a backstop pad; 41. a raised ring; 42. an anti-slip groove; 43. a gasket body; 44. a limiting block; 45. a check ring; 5. locking the nut; 51. a nut body; 52. engaging teeth; 6. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a combination formula water filter cap for filter, includes the cap body 1, and the cap body 1, atress pole 2, bottom 3, stopping gasket 4 and lock nut 5 are moulded plastics by ABS or PP material branch part and are formed, run through on the cap body 1 and be provided with atress pole 2, its characterized in that: the bottom cover 3, the backstop gasket 4 and the lock nut 5 are sequentially sleeved on the surface of the stress rod 2 and below the cap body 1 from top to bottom, and the stress rod 2 is provided with a limiting groove 6.

The cap body 1 comprises a cap body shell 11, a fastening ring 14 is arranged on the cap body shell 11, a cap body gap 12 is arranged on the cap body shell 11, and a bottom ring 13 capable of being sleeved on the surface of the bottom cover 3 is arranged at the bottom of the cap body shell 11.

Stress rod 2 includes pole body 26, and the bottom of pole body 26 is provided with connecting thread 23 with the cooperation of lock nut 5 and sets up, has seted up intercommunication groove 22 on the pole body 26, and the top of pole body 26 is provided with the spacing ring 21 that sets up with the cooperation of the cap body 1, just is located on the pole body 26 and is provided with fixture block 24 between intercommunication groove 22 and the spacing ring 21, and cap body shell 11 joint is between fixture block 24 and spacing ring 21, and the below that just is located intercommunication groove 22 on the pole body 26 is provided with down fixture block 25.

The bottom cover 3 comprises a cover body 31, a through hole 33 is formed in the cover body 31, and a clamping groove 32 matched with the lower clamping block 25 is formed in the cover body 31.

Stopping gasket 4 includes gasket body 43, has seted up anti-skidding recess 42 on gasket body 43, is provided with bulge loop 41 on gasket body 43, and the both sides of gasket body 43 inner chamber all are provided with the stopper 44 that sets up with the cooperation of spacing groove 6, inlays on gasket body 43 and has had stopping loop 45, and stopping is still 45 the below and is provided with the tooth.

The lock nut 5 comprises a nut body 51, the nut body 51 is in threaded connection with the stress rod 2 through the connecting thread 23, and the top of the nut body 51 is provided with engaging teeth 52 matched with teeth arranged below the backstop 45.

To sum up, this combination formula water filter cap for filter, improvement through atress pole 2, fine restriction the position of the cap body 1 and bottom 3, simultaneously through the improvement of stopping gasket 4 and lock nut 5 and the cooperation of spacing groove 6 use, fine having avoided in use because lock nut 5 atress rotatory and the lock nut 5 pine that leads to for atress pole 2 takes off, very big increase compressive strength and the reliability of connecting under the prerequisite of guaranteeing manufacturing cost, made things convenient for user's use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.