CN204127470U

CN204127470U - Visual type filter tap

Info

Publication number: CN204127470U
Application number: CN201420417524.6U
Authority: CN
Inventors: 董文迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-07-28
Filing date: 2014-07-28
Publication date: 2015-01-28
Anticipated expiration: 2024-07-28

Abstract

The utility model discloses a kind of visual type filter tap, comprise valve body, be formed at the medium runner in valve body and be formed at the filtration arm be connected with medium runner of valve body sidepiece; Be provided with a filter screen in described filtration arm, described filtration arm is transparent configuration at least partly; By arranging transparent configuration, being convenient to user's Real Time Observation and filtering situation, carrying out dismounting valve body as required, cleaning impurity, eliminates unnecessary dismounting, has saved maintenance cost.

Description

Visual type filter tap

Technical field

The utility model belongs to pipeline valve and manufactures field, especially relates to a kind of visual type filter tap.

Background technique

Filter tap is widely used in industrial production and daily life, for the granule foreign in filter medium.In prior art, conventional visual type filter tap has Y type visual type filter tap, the filtration cavity that this kind of visual type filter tap comprises valve body, valve gap, filter screen and be obliquely installed, and filters in cavity the filter screen pipe be provided with in a tubular form; Be formed with the medium runner for medium circulation in valve body, medium runner is connected with filtration cavity; After medium enters medium runner, enter filtration cavity from the top of filter screen pipe, then flow out from outlet end after the sidewall of filter screen filters, be deposited on after impurity is filtered and filter in cavity; On the one hand, due in existing filter tap, filter cooperating structure between plug bottom cavity and valve body complicated, after valve body installs, need regularly please professional workforce to dismantle this plug, to take out the impurity filtered in cavity, the cost at every turn removed and installed is very high, after sometimes taking apart, find impurity and seldom, cause dismounting unnecessary.

Model utility content

The utility model, in order to overcome the deficiencies in the prior art, provides a kind of visual type filter tap not easily blocking, can observe filtration situation in good time.

To achieve these goals, the utility model by the following technical solutions: a kind of visual type filter tap, comprises valve body, is formed at the medium runner in valve body and is formed at the filtration arm be connected with medium runner of valve body sidepiece; Be provided with a filter screen in described filtration arm, described filtration arm is transparent configuration at least partly; By arranging transparent configuration, being convenient to user's Real Time Observation and filtering situation, carrying out dismounting valve body as required, cleaning impurity, eliminates unnecessary dismounting, has saved maintenance cost.

As preferably, it is the connection pipe body of integrative-structure and the transparent cover body be made up of transparent material that described filtration arm comprises with valve body, and connection pipe body and lid removably connect; Lid can be changed, and it is convenient to dismantle between lid and connection pipe body, and user can dismantle voluntarily.

Further, described transparent cover body upper end portion is removably connected by a locking nut and connection pipe body, and the outer wall of transparent cover body is provided with an annular convex shoulder with locking nut contacting point, and the inner side of locking nut is provided with the gear edge of matching with annular convex shoulder.

As preferably, the axes normal of described filtration arm is in the axis of medium runner, and filter screen top is connected with medium runner perisporium, and bottom extends to filters bottom arm.The axis being perpendicular to medium runner owing to filtering arm is arranged, when medium circulates in medium runner, by the law of conservation of mechanical energy of fluid, namely during contour flowing, flow velocity is large, pressure is just little, in medium runner, the flow velocity of medium is larger, and the flow velocity of medium in filtration arm is very little, almost static, therefore medium is in the medium runner process of circulation, its pressure is greater than medium in filtration arm, so, medium after filtration is deposited under the effect of the pressure to be filtered bottom arm, can not move upward along with the circulation of medium and block runner, ensure that the unimpeded of passage.

As preferably, described filter screen is platy structure, and filter screen upper end portion is arranged on the inner circle wall of described medium runner.The filter screen of platy structure, adds circulation area, improves filter efficiency.

Or described filter screen is tubular structure, filter screen is provided with the opening for passing through for impurity corresponding to medium runner suction side.Adopt the filter screen of this structure, make the medium in medium runner transfer to close to laminar condition from turbulent condition, be conducive to contamination precipitation, improve filtering effect; Moreover the filtration arm arranged perpendicular to medium runner forming a pressure to filtering bottom arm, precipitated good impurity being placed in all the time and filtering bottom arm.

As preferably, described filter screen is provided with positioning groove, filters arm diapire and is provided with the positioning convex portion matched with this positioning groove; Described transparent cover body upper end portion is provided with a stopper protrusion, and connection pipe body underpart is provided with the spacing shrinkage pool matched with this stopper protrusion.Positioning groove is arranged in positioning convex portion, makes the position of filter screen remain constant, and opening, all the time towards the inlet side of medium runner, ensure that the smooth and easy of contaminant filter; In order to the invariant position of complement filter net, then require the invariant position of locating groove, by coordinating of stopper protrusion and spacing recess, ensure that and the position of transparent cover body is limited.

Further, be provided with seal washer between described transparent cover body and connecting body, sealing packing ring is provided with the through hole passed for described stopper protrusion.The setting of seal ring, increases sealability.

Further, be arranged with a safety cover outside described transparent cover body, this safety cover top is threaded with described locking nut.This safety cover top is threaded with described locking nut; The setting of safety cover, carries out duplicate protection, when transparent cover body occurs to leak, plays the effect of dual fail-safe, is especially applicable to long-time uninhabited situation in family.

Further, described safety cover is arranged with an O type circle with locking nut contacting point, locking nut inwall is provided with the circular groove for this O type circle accommodating.

In sum, the utility model has the following advantages: this filter tap structure is simple, and user carries out Real Time Observation by the transparent configuration filtered on arm to filtration situation, dismantles in good time, reduces unnecessary loss and waste.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of embodiment of the present utility model.

Fig. 2 is the decomposition texture schematic diagram of Fig. 1.

Fig. 3 is the structural representation of another kind of embodiment of the present utility model.

Fig. 4 is the decomposition texture schematic diagram of Fig. 3.

Fig. 5 is the Facad structure schematic diagram of the utility model tabular filter screen.

Fig. 6 is the side structure schematic diagram of the utility model tabular filter screen.

Embodiment

In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technological scheme in the utility model embodiment.

As shown in Figure 1,3, a kind of filter tap, comprise valve body 1, valve rod 2, the medium runner 11 for medium circulation be formed in valve body 1, valve body 1 lower side is protruding to form a filtration arm 6 downward vertically, and namely the axes normal of this filtration arm 6 is in the axis of medium runner 11; This filtration arm inside is connected with medium runner 11, and filter in arm 6 and be provided with a filter screen, its top penetrates in medium runner 11, and filter screen upper end portion is connected with the inner circle wall of medium runner 11; The filter screen the other end extends to and filters bottom arm, fixes with filtration arm underpart, and outer wall and the filtration branch pipe wall connecting part of filter screen bottom, prevent impurity from entering in both gaps; Described filtration arm 6 is arranged to be transparent configuration at least partly by we, be convenient to the impurity level observing valve body inner filtration at any time, after filter tap uses a period of time, we can observe the deposition conditions of impurity in valve body by the filtration arm of this transparent configuration, when deposition is more, we dismantle again, decrease unnecessary dismounting, have saved cost.

Concrete, in the present embodiment, the bottom of filtering arm is set to transparent configuration by us, it is the connection pipe body 62 of integrative-structure and the transparent cover body 63 be made up of glass that described filtration arm 6 comprises with valve body, connection pipe body and lid removably connect, concrete, and transparent cover body 63 upper end portion connects a locking nut 64, realized and the removably connecting of connection pipe body 62 by this locking nut, locking nut upper end is threaded with connection pipe body 62 underpart; The outer wall of transparent cover body 63 offers an annular convex shoulder 631 with locking nut 64 contacting point, locking nutthe inner side of 64 is provided with the gear that matches with this annular convex shoulder along 641.During installation, by the bottom of transparent cover body 63 through locking nut, the gear of locking nut matches along 641 with annular convex shoulder, makes transparent cover body be fixed on locking nut bottom; Then locking nut top is threaded with connection pipe body 62; In order to increase sealing, can a seal washer 66 be set between connection pipe body 62 and locking nut.

After filter tap uses a period of time, we can observe the deposition conditions of impurity in valve body by this transparent cover body; If Impurity deposition amount is larger when needing cleaning, first by rotatable handle, spool and valve seat are realized being sealed and matched, to turn off medium runner; Then rotational lock nut, can make it to be separated with connection pipe body 62 quickly and easily, finally by the impurity in transparent cover body to out reinstalling back; Easy installation and removal, without the need to professional workforce's operation, has saved cost; Simultaneously by visual transparent cover body structure, Real Time Observation filters the impurity level in arm, clears up in good time, avoids unnecessary loss.

Filter screen can have circular tube shaped and tabular two kinds of structures, in the present embodiment, for round tube shape structure, as shown in Figure 1, 2, concrete, described filter screen offers an opening 611, this opening 611 corresponds to medium runner suction side and arranges, impurity flows to filter screen from this opening, and to filter screen bottom precipitation.The utility model is by arranging filtration arm and filter screen perpendicular to valve body, impurity when Medium Inclusion and flow to filter screen place together, impurity is through after opening 611, continue the flowing of medium runner outlet side, and filter screen opposite side, namely through hole is not set near medium runner outlet side, after impurity is filtered net stop, to filtration arm flows, be deposited on filtration arm gradually.

On the one hand, the circulating direction of medium in the medium runner of circle is in disturbance state, and filter screen is provided with opening, medium is by after this opening, become the fluidised form of rule from the fluidised form of disorder, impurity, due to Action of Gravity Field, just naturally flows to and filters bottom arm, compared to traditional Y-shaped filtering ball valve, impurity remains the fluidised form of rule at filter process, and can not roll along with medium circulation, sinking velocity is fast, good filtration effect, on the other hand, the axis being perpendicular to medium runner owing to filtering arm is arranged, when medium circulates in medium runner, by the law of conservation of mechanical energy of fluid, namely during contour flowing, flow velocity is large, pressure is just little, in medium runner, the flow velocity of medium is larger, and the flow velocity of medium in filtration arm is very little, almost static, therefore medium is in the medium runner process of circulation, its pressure is greater than medium in filtration arm, so, medium after filtration is deposited under the effect of the pressure to be filtered bottom arm, can not move upward along with the circulation of medium and block runner, ensure that the unimpeded of passage.

In manager long-time unoccupied time, in order to prevent the leakage because transparent cover body breakage causes, the safety cover 65 that we can make the outer sheathed metal (as copper) of described transparent cover body 63, the outer of this safety cover upper end portion is arranged with a circle screw thread, thus realizes being threaded with described locking nut 64; Convenient disassembly, use safety, effective constitution operator guards, even if transparent cover body is damaged, also there will not be leakage accident.In order to ensure sealability, an O type circle 651 can be set between transparent cover body and locking nut; Locking nut inwall is provided with the circular groove 644 for this O type circle 651 accommodating.

Further, in order to be fixed filter screen, prevent along with medium circulation and rotating and opening 611 is deflected, causing medium to enter into and filter in arm; So we arrange a positioning groove 612 on described filter screen, filter bottom arm diapire and transparent cover body and be provided with the positioning convex portion 613 matched with this positioning groove, during installation, by positioning groove with mutually engage location with positioning convex portion after, again transparent cover body is connected with connection pipe body, opening 611 is arranged towards the suction side of medium runner all the time, ensure that uninterruptedly carrying out of filtration.This transparent cover body can be made up of transparent plastic, so transparent cover body can directly be threaded with connection pipe body; And in the present embodiment, have employed glass material, so cannot directly be connected between transparent cover body with connection pipe body, in order to limit the position of filter screen, further, we arrange a stopper protrusion 632 in described transparent cover body 63 upper end portion, arrange the spacing shrinkage pool 622 matched with this stopper protrusion 632 in connection pipe body 62 underpart, seal washer 66 is provided with the through hole 661 passed for described stopper protrusion; During installation, after transparent cover body is inserted in locking nut, the stopper protrusion 632 in transparent cover body inserts through hole 661, spacing shrinkage pool 622 successively, then is screwed by locking nut.Stopper protrusion coordinates with spacing shrinkage pool, and the position of transparent cover body is fixed, and then by the cooperation of positioning convex portion and positioning groove, the position of filter screen is fixed, ensure that opening 611 towards the suction side all the time towards medium runner.

As shown in Figure 3,4, for adopting structural drawing during tabular filter screen in the utility model, concrete, filter screen 61 is platy structure, longitudinally be divided into two by valve body, filter screen 61 top is arranged in the draw-in groove 111 on medium runner inwall, the filter screen of platy structure, considerably increase circulation area, improve filter efficiency.

As shown in Figure 5, filter screen 61 comprises a dictyosome 612 and is located in the framework 613 at dictyosome 612 edge, and framework 613 is provided with horizontal and vertical stiffening rib 614.During making, framework is upper and lower two panels, framework is placed in dictyosome both sides, by the upper and lower framework of pressing, is fixed on firmly in framework by dictyosome, and the filter screen of this kind of structure is very solid, durable.

After filter screen uses a period of time, bottom can deflect, and makes filter screen occur gap with filtration branch pipe wall, causes impurity to pass from gap, affect filtering effect; As shown in Figure 6, we respectively arrange one to become criss-cross construction fin 615 with filter screen in the bi-side of filter screen 61, and the thickness of this fin is arranged to 2-5mm by us, makes the outer side wall of fin tangent with filtration branch pipe wall, effectively can avoid filter screen bottom deflection.

The suction side of valve body needs to be connected with PPR pipe road usually, and valve body is metal (as copper) material, conveniently be connected with PPR pipe body, respectively be connected a locking cap at the entrance point of medium runner with outlet end, locking cap one end is connected with valve body screw thread, the sheathed PPR pipe body of the other end, PPR pipe is external is arranged with a circle gear edge, locking cap inwall is provided with the convex shoulder matched with this gear edge, by both cooperations, achieves the connection of locking cap and PPR pipe body; In order to increase sealability, locking cap and PPR pipe body joint are provided with seal washer.Conveniently be connected with water knockout drum, also a locking cap connection metal joint is passed through at the outlet end of medium runner, a circle convex shoulder is arranged with outside this metal joint, locking cap inwall is also provided with the gear edge that a circle matches with convex shoulder, metal joint one end is connected with valve body by locking cap, and the metal joint the other end is connected with water knockout drum; In order to improve sealability, also on the convex shoulder of metal joint, locate a sheathed seal washer with gear along matching.Not shown in concrete long splice composition, this technological scheme is prior art, therefore repeats no more in this patent.

Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.

Claims

1. a visual type filter tap, comprise valve body (1), be formed at the medium runner (11) in valve body (1) and be formed at the filtration arm (6) be connected with medium runner of valve body sidepiece, be provided with a filter screen (61) in described filtration arm (6), it is characterized in that: described filtration arm (6) is transparent configuration at least partly.

2. visual type filter tap according to claim 1, is characterized in that: it is the connection pipe body (62) of integrative-structure and the transparent cover body (63) be made up of transparent material that described filtration arm (6) comprises with valve body, and connection pipe body and lid removably connect.

3. visual type filter tap according to claim 2, it is characterized in that: described transparent cover body (63) upper end portion is removably connected by a locking nut (64) and connection pipe body (62), the outer wall of transparent cover body (63) is provided with an annular convex shoulder (631) with locking nut (64) contacting point, and the inner side of locking nut (64) is provided with gear edge (641) matched with annular convex shoulder.

4. visual type filter tap according to claim 3, it is characterized in that: the axes normal of described filtration arm (6) is in the axis of medium runner (11), filter screen top is connected with medium runner (11) perisporium, and bottom extends to filters bottom arm.

5. visual type filter tap according to claim 4, is characterized in that: described filter screen is platy structure, and filter screen upper end portion is arranged on the inner circle wall of described medium runner (11).

6. visual type filter tap according to claim 4, is characterized in that: described filter screen is tubular structure, and filter screen is provided with the opening (611) for passing through for impurity corresponding to medium runner suction side.

7. according to the visual type filter tap described in claim 6, it is characterized in that: described filter screen is provided with positioning groove (612), filter arm diapire and be provided with the positioning convex portion (613) matched with this positioning groove; Described transparent cover body (63) upper end portion is provided with a stopper protrusion (632), and connection pipe body (62) underpart is provided with the spacing shrinkage pool (622) matched with this stopper protrusion (632).

8. visual type filter tap according to claim 7, is characterized in that: be provided with seal washer (66) between described transparent cover body and connecting body, and sealing packing ring is provided with the through hole (661) passed for described stopper protrusion (632).

9. visual type filter tap according to claim 3, is characterized in that: be arranged with a safety cover (65) outside described transparent cover body (63), and this safety cover top is threaded with described locking nut (64).

10. visual type filter tap according to claim 9, is characterized in that: described safety cover is arranged with an O type circle (651) with locking nut contacting point, and locking nut inwall is provided with the circular groove (644) for this O type circle (651) accommodating.