CN208935418U

CN208935418U - Anti-drip valve

Info

Publication number: CN208935418U
Application number: CN201821663432.0U
Authority: CN
Inventors: 李学谦
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-15
Filing date: 2018-10-15
Publication date: 2019-06-04
Anticipated expiration: 2028-10-15

Abstract

A kind of anti-drip valve, including upper housing and pedestal, upper housing are equipped with water inlet, control mouth and water outlet, and inlet and outlet are connected to by control mouth；Sealing element is equipped in upper housing, sealing element includes integrally formed outer ring, gasket seal and linkage section, and gasket seal is located in outer ring, and gasket seal is connected with outer ring by linkage section；Attachment base is equipped between upper housing and pedestal, upper housing is connected with one end of attachment base, and outer ring is located between upper housing and attachment base, and pedestal is connected with the other end of attachment base；Pedestal is equipped with accommodating cavity and leak inlet opening, and accommodating cavity is connected to by leak inlet opening with base exterior, and expander and head part are equipped in accommodating cavity；One end of head part and expander abut, and the other end of head part corresponds to gasket seal, gasket seal sealing or opening control mouth.The utility model has structure simple, the convenient advantage of disassembly, replacement expander.

Description

Anti-drip valve

Technical field

The utility model relates to valve body fields, more specifically, especially a kind of anti-drip valve.

Background technique

After water purifier long-time use, the interface of raw water pipeline and filter core influences it is possible that drainage The normal use and service life of water purifier.In order to find and prevent the interface of raw water pipeline and filter core to be likely to occur in time Drainage, between raw water pipeline and filter core be equipped with water check valve, water purifier water route is opened using the mobile realization of valve rod It closes.

Chinese patent literature CN207333727 U discloses a kind of leak protection valve, including main body and pedestal, in main body Equipped with water inlet, water outlet, control mouth and slide bar, first seal is fixed in main body by sealing fixture, in pedestal Equipped with expansion chamber and push plate, one end of slide bar is provided with second seal, and the other end of slide bar is fixed in push plate, sets on push rod There is spring, spring is abutted against with main body and push plate, and when slide bar moves up, second seal can seal control mouth.When occur leak, After having repaired leakage point, expander expands because absorbing moisture content, needs replacing new expander, and valve is protected in above-mentioned leak In the process of replacement expander are as follows: first remove pedestal from main body；Sealing fixture is removed from main body again, and will be slided Bar, spring and push plate are taken out out of pedestal, and expander after expansion is taken out out of pedestal, change new expander；Then Slide bar, spring and push plate are placed in pedestal again, sealing fixture is installed in main body, then pedestal is connected with main body；It is complete At replacement expander；There is the problems such as structure is complicated, and replacement expander process is many and diverse in above-mentioned leak protection valve.

Utility model content

In order to overcome the above problem, the utility model provides that a kind of structure is simple, the leakproof of replacement expander easy to disassemble Valve.

The technical solution of the utility model is: providing a kind of anti-drip valve, including upper housing and pedestal, the upper housing is equipped with The water inlet is connected to by water inlet, control mouth and water outlet, the control mouth with the water outlet；It is set in the upper housing There is sealing element, the sealing element includes integrally formed outer ring, gasket seal and linkage section, and the gasket seal is located at described outer In circle, the gasket seal is connected with the outer ring by the linkage section；Attachment base is equipped between upper housing and pedestal, it is described Upper housing is connected with one end of the attachment base, and the outer ring is located between the upper housing and the attachment base, the pedestal It is connected with the other end of the attachment base；The pedestal is equipped with accommodating cavity and leak inlet opening, and the leak inlet opening will be described Accommodating cavity is connected to the base exterior, and expander and head part are equipped in the accommodating cavity；One end of the head part and described Expander abuts, and the other end of the head part corresponds to the gasket seal, and the gasket seal seals or open the control mouth.

As the improvement to the utility model, the thickness of the linkage section is less than the outer ring or/and the gasket seal Thickness.

As the improvement to the utility model, the head part includes mandril and bottom plate, and the mandril passes through the attachment base It is connected with the bottom plate, the bottom plate and the expander abut.

As the improvement to the utility model, several bow strips are axially arranged on the wall of the accommodating cavity.

As the improvement to the utility model, the upper housing with the attachment base is connected by snap-in structure, institute Stating snap-in structure includes lifting lug being equipped on the attachment base, and step is equipped on the upper housing, and the lifting lug is hooked in institute It states on step.

As the improvement to the utility model, the attachment base with the pedestal is connected by screw structure, described Screw structure include on the outer wall of the pedestal be equipped with protrusion, and on the side wall of the attachment base be equipped with for and it is described convex Play the recess portion of cooperation.

As the improvement to the utility model, the screw structure further includes positioning device, and the positioning device is included in The periphery of the protrusion is equipped with salient point, and when the periphery of the recess portion is equipped with groove, and the protrusion rotation is blocked within the recess, The salient point engaging is in the groove.

As the improvement to the utility model, the water inlet or/and the water outlet are equipped with quick union.

As the improvement to the utility model, primary filtration net is equipped in the water inlet.

As the improvement to the utility model, the primary filtration net is stainless (steel) wire.

The utility model includes upper housing and pedestal due to using, and the upper housing is equipped with water inlet, control mouth and goes out The mouth of a river；It is equipped with sealing element in the upper housing, further includes attachment base, the upper housing is connected with one end of the attachment base, The pedestal is connected with the other end of the attachment base；The pedestal is equipped with accommodating cavity and leak inlet opening, the leak water inlet The accommodating cavity is connected to by hole with the base exterior, and expander and head part are equipped in the accommodating cavity；The one of the head part End and the expander abut, and the other end of the head part corresponds to the gasket seal, the gasket seal sealing or opening institute State control mouth.It expands, needs replacing new because absorbing moisture content when leak, after having repaired leakage point, expander occurs Expander, the process of leakproof valve replacement expander described in the utility model are as follows: remove pedestal from attachment base, after expansion Expander takes out out of pedestal accommodating cavity, changes new expander, pedestal is connected on attachment base；The utility model has Structure is simple, the convenient advantage of disassembly, replacement expander.

Detailed description of the invention

Fig. 1 is a kind of decomposition texture schematic diagram of embodiment of the utility model.

Fig. 2 is the schematic perspective view after the combination of embodiment illustrated in fig. 1.

Fig. 3 is a kind of planar structure schematic diagram in direction of Fig. 2.

Fig. 4 is the schematic cross-sectional view in Fig. 3 at A-A.

Specific embodiment

In the description of the present invention, it should be understood that "center" in term, "upper", "lower", etc. instructions orientation Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, rather than the device or component of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect It connects；It can be directly connected, be also possible to can be the connection of two component internals indirectly connected through an intermediary.For For those skilled in the art, above-mentioned term can be understood in the concrete meaning of the utility model with concrete condition.

Referring to figs. 1 to Fig. 4, revealed Fig. 1 to Fig. 4 is a kind of anti-drip valve, including upper housing 1 and pedestal 2, the upper casing Body 1 is equipped with water inlet 11, control mouth 13 and water outlet 12, and the control mouth 13 connects the water inlet 11 and the water outlet 12 It is logical；Sealing element 3 is equipped in the upper housing 1, the sealing element 3 includes integrally formed outer ring 31, gasket seal 32 and connects Section 33 is connect, the gasket seal 32 is located in the outer ring 31, and the gasket seal 32 and the outer ring 31 pass through the connection Section 33 connects；Attachment base 4 is equipped between upper housing 1 and pedestal 2, the upper housing 1 is connected with one end of the attachment base 4, institute It states outer ring 31 to be located between the upper housing 1 and the attachment base 4, the pedestal 2 is connected with the other end of the attachment base 4； The pedestal 2 is equipped with accommodating cavity 21 and leak inlet opening 22, and the leak inlet opening 22 is by the accommodating cavity 21 and the pedestal 2 Outside connection, is equipped with expander 23 and head part 24 in the accommodating cavity 21；One end of the head part 24 and the expander 23 It abuts, the other end of the head part 24 corresponds to the gasket seal 32, and the gasket seal 32 seals or open the control mouth 13；The linkage section 33 be rugosity, upper housing 1 and the connection of attachment base 4 by outer ring 31 be fixed on upper housing 1 and attachment base 4 it Between, gasket seal 32 can be ejected preset distance by linkage section 33 by head part 24, that is to say, that the sealing element 3 has flexible Property, in the case where outer ring 31 is motionless, head part 24 can be pushed up gasket seal 32 to control mouth 13, and then separate 11 He of water inlet Runner between water outlet 12, while outer ring 31 has sealing also with preventing water from flowing out between upper housing 1 and attachment base 4 The effect of upper housing 1 and attachment base 4；When the situation of leak occurs between raw water pipeline and water purifier, the water spilt passes through Leak inlet opening 22 enters in accommodating cavity 21, and expander 23 starts to expand after absorbing water, and pushes head part 24 to 1 side of upper housing To movement, outer ring 31 is fixed between upper housing 1 and attachment base 4, and gasket seal 32 is withstood in the upper end of head part 24, passes through linkage section 33 retractility is mobile to 1 direction of upper housing, is resisted against in control mouth 13, seals control mouth 13, separates water inlet 11 and water outlet Channel between mouth 12；In addition, after having repaired leakage point, expander 23 is needed due to absorbing Water blown after leak occurs The expander 23 more renewed, the utility model use upper housing 1, attachment base 4 and the design of 2 three-stage of pedestal to have side on the whole Just the advantages that dismantling, being convenient for changing expander 23.

Preferably, the thickness of the linkage section 33 is less than the thickness of the outer ring 31 or/and the gasket seal 32.

Preferably, the head part 24 includes mandril 241 and bottom plate 242, and the mandril 241 passes through the attachment base 2 and institute The connection of bottom plate 242 is stated, the bottom plate 242 and the expander 23 abut.

Preferably, several bow strip (not shown)s are axially arranged on the wall of the accommodating cavity 21；When expander 23 is opened Begin to expand upwards after expansion along the bow strip, reduces the contact surface that expander 23 expands upwards, and then reduce 23 He of expander The friction of 21 wall surface of accommodating cavity pushes expander 23 head part 24 to 1 direction of upper housing sensitiveer.

Preferably, the upper housing 1 with the attachment base 4 is connected by snap-in structure, and the snap-in structure includes It is equipped with lifting lug 41 on the attachment base 4, and is equipped with step 15 on the upper housing 1, the lifting lug 41 is hooked in the step On 15.

Preferably, the attachment base 4 with the pedestal 2 is connected by screw structure, and the screw structure is included in The outer wall of the pedestal 2 is equipped with protrusion 25, and is equipped with and is used for and raised 25 cooperation on the side wall of the attachment base 4 Recess portion 42.

Preferably, it is loosened after screw structure engaging in order to prevent, the screw structure further includes positioning device, the positioning Device includes being equipped with salient point 251 on raised 25 periphery, and be equipped with groove 421 on the periphery of the recess portion 42, described convex 25 rotations are played when being stuck in the recess portion 42, the salient point 251 is fastened in the groove 421；It is understood that the positioning Device is not limited to described above, is also possible to that groove, and week in the recess portion 42 is arranged on raised 25 periphery Salient point is arranged in side.

Preferably, the water inlet 11 or/and the water outlet 12 are equipped with quick union 5.

Preferably, primary filtration net 111 is equipped in the water inlet 11.

Preferably, the primary filtration net 111 is stainless (steel) wire.

It should be noted that explaining in detail for above embodiment, purpose, which is only that, carries out the utility model It explains, in order to be able to which preferably explanation the utility model, still, these descriptions cannot be with any explanations at being to this reality With novel limitation, in addition to there is clearly opposite description, these features should be understood to can be applied to any one embodiment party In formula, and it is not limited merely to described embodiment.

Claims

1. a kind of anti-drip valve, including upper housing (1) and pedestal (2), the upper housing (1) is equipped with water inlet (11), control mouth (13) water inlet (11) is connected to the water outlet (12) with water outlet (12), the control mouth (13)；Its feature exists In: equipped with sealing element (3) in the upper housing (1), the sealing element (3) includes integrally formed outer ring (31), gasket Piece (32) and linkage section (33), the gasket seal (32) are located in the outer ring (31), the gasket seal (32) and described Outer ring (31) is connected by the linkage section (33)；Attachment base (4) are equipped between upper housing (1) and pedestal (2), the upper housing (1) connected with one end of the attachment base (4), the outer ring (31) be located at the upper housing (1) and the attachment base (4) it Between, the pedestal (2) connects with the other end of the attachment base (4)；The pedestal (2) is equipped with accommodating cavity (21) and leak is intake Hole (22), the leak inlet opening (22) will be connected to outside the accommodating cavity (21) and the pedestal (2), in the accommodating cavity (21) expander (23) and head part (24) are equipped in；One end of the head part (24) and the expander (23) abut, the top The other end of part (24) corresponds to the gasket seal (32), and the gasket seal (32) seals or opens the control mouth (13).

2. anti-drip valve according to claim 1, it is characterised in that: the thickness of the linkage section (33) is less than the outer ring (31) or/and the thickness of the gasket seal (32).

3. anti-drip valve according to claim 1 or 2, it is characterised in that: the head part (24) includes mandril (241) and bottom plate (242), the mandril (241) passes through the attachment base (4) and the bottom plate (242) connection, the bottom plate (242) and described swollen Swollen body (23) abuts.

4. anti-drip valve according to claim 1 or 2, it is characterised in that: be axially arranged on the wall of the accommodating cavity (21) Several bow strips.

5. anti-drip valve according to claim 1 or 2, it is characterised in that: the upper housing (1) and the attachment base (4) are It is connected by snap-in structure, the snap-in structure is included in the attachment base (4) equipped with lifting lug (41), and in the upper casing Body (1) is equipped with step (15), and the lifting lug (41) is hooked on the step (15).

6. anti-drip valve according to claim 1 or 2, it is characterised in that: the attachment base (4) and the pedestal (2) are logical Screw structure connection is crossed, the screw structure includes the outer wall of the pedestal (2) equipped with raised (25), and in the company The side wall of joint chair (4) is equipped with for the recess portion (42) with raised (25) cooperation.

7. anti-drip valve according to claim 6, it is characterised in that: the screw structure further includes positioning device, described fixed The periphery that position device is included in raised (25) is equipped with salient point (251), and is equipped with groove on the periphery of the recess portion (42) (421), raised (25) rotation be stuck in the recess portion (42) it is interior when, the salient point (251) is fastened in the groove (421).

8. anti-drip valve according to claim 1 or 2, it is characterised in that: the water inlet (11) or/and the water outlet (12) quick union (5) are equipped with.

9. anti-drip valve according to claim 1 or 2, it is characterised in that: be equipped with primary filtration in the water inlet (11) Net (111).

10. anti-drip valve according to claim 9, it is characterised in that: the primary filtration net (111) is stainless (steel) wire.