CN204127367U

CN204127367U - A kind of Filtering ball valve

Info

Publication number: CN204127367U
Application number: CN201420417881.2U
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 Filtering ball valve, comprise valve body, valve rod, be formed at medium runner in valve body and rotatable spherical valve core, for opening and closing medium runner or regulating velocity of medium in medium runner; Be connected with the portion of holding after the top of valve rod passes valve body, the bottom of valve rod is connected with spherical valve core, and rotation valve rod can drive spherical valve core to rotate; Described valve body sidepiece outwardly convex is to form a filtration arm be connected with medium runner, and be provided with the filter screen that is tabular in this filtration arm, this filter screen top is connected with medium runner perisporium, and the other end extends to and filters bottom arm; Described filtration arm is transparent configuration at least partly.Filtering 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; The filter screen of platy structure, adds circulation area, improves filter efficiency.

Description

A kind of Filtering ball valve

Technical field

The utility model belongs to pipeline valve and manufactures field, especially relates to a kind of Filtering ball valve.

Background technique

Filtering ball valve is widely used in industrial production and daily life, for the granule foreign in filter medium, especially in some heating systems, before supply channel connects water knockout drum, needs to filter the impurity in water by connecting a Filtering ball valve; Current typical filter ball valve has Y-shaped filtering ball valve, the filtration cavity that this kind of Filtering ball valve 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 Filtering ball valve, the plug filtered bottom cavity is connected with adopting interference fit between valve body, 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, provide a kind of filter area large, can the Filtering ball valve of Real Time Observation.

To achieve these goals, the utility model by the following technical solutions: a kind of Filtering ball valve, comprises valve body, valve rod, is formed at medium runner in valve body and rotatable spherical valve core, for opening and closing medium runner or regulating velocity of medium in medium runner; Be connected with the portion of holding after the top of valve rod passes valve body, the bottom of valve rod is connected with spherical valve core, and rotation valve rod can drive spherical valve core to rotate; Described valve body sidepiece outwardly convex is to form a filtration arm be connected with medium runner, and be provided with the filter screen that is tabular in this filtration arm, this filter screen top is connected with medium runner perisporium, and the other end extends to and filters bottom arm; Described filtration arm is transparent configuration at least partly.Filtering 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; The filter screen of platy structure, adds circulation area, improves filter efficiency.

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 both sides of described filter screen are provided with and filter the vertically disposed fin of dictyosome, and the both sides of this fin, with to filter branch pipe wall tangent, effectively prevent filter screen bottom from twisting.

Be provided with seal washer between described transparent cover body and connecting body, increase sealability.

Be arranged with a safety cover outside described transparent cover body, this safety cover top is threaded with described locking nut, the setting of safety cover; carry out duplicate protection; when transparent cover body occurs to leak, play the effect of dual fail-safe, be 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.

As preferably, described transparent cover body is made up of glass or plastics.

As preferably, described medium runner is positioned at locate on rear side of filter screen outwardly to form an outlet valve housing; An inner cavity chamber be connected with medium runner is formed in this outlet valve housing.An inner cavity chamber be connected with medium runner is formed in this outlet valve housing; Valve body incorporates outlet valve housing, eliminates the trouble of installing separately outlet valve, saved cost.

Described valve body sidepiece is provided with the table interface be connected with medium runner, can connect various temperature measuring gauge or pressure-measuring meter at any time.

In sum, the utility model has the following advantages: this Filtering ball valve structure is simple, arranges transparent configuration, can observe at any time, to reduce unnecessary dismounting, saved cost to the filtration situation in valve body.

Accompanying drawing explanation

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

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

Fig. 3 is the Facad structure schematic diagram of filter screen in Fig. 1.

Fig. 4 is the side structure schematic diagram of filter screen in Fig. 1.

Fig. 5 is another structural representation of the present utility model.

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, 2, a kind of Filtering ball valve, comprises valve body 1, valve rod 2, the bonnet 44 supplying the medium runner 11 of medium circulation, the rotatable spherical valve core 4 be located in medium runner 11, be located at medium runner entrance point be formed in valve body 1; Be connected with the portion of holding 9 after the top of valve rod 2 passes valve body, in the present embodiment, hold portion 9 for handle shape, obviously, in other embodiments, also can select butterfly architecture; The bottom of valve rod 2 is connected with spherical valve core 4, and rotation valve rod 2 can drive spherical valve core to rotate; By rotating this spherical valve core, for velocity of medium in keying medium runner or adjustment medium runner.Described valve body 1 corresponding medium runner 11 place is provided with the valve seat 3 matched with spherical valve core 4, corresponding spherical valve core 4 side of this valve seat is provided with the sealing surface matched with this spherical valve core, in the present embodiment, valve seat 3 is provided with seal washer 41 to form described sealing surface with spherical valve core 4 contacting point.Concrete, described valve rod 2 upper end portion is provided with the outside thread matched with hexagon nut 27, after valve rod top passes valve body, is arranged with a pressure cap 21, and this pressure cap 21 bottom is connected with valve seal, in order to limit the movement of valve rod; Handle one end is set on valve rod, by screwing hexagon nut on valve rod, is firmly fixed on valve rod by handle; Be provided with packing plastic ring 24 between pressure cap 21 and valve rod, when installing pressure cap, extrusion packing thing plastic ring enters between the space of pressure cap and valve rod, and the working life of valve rod is extended, and sealing strengthens; 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, filters in arm 6 and is provided with the filter screen 61 that is tabular.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 Filtering ball valve 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.

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, transparent cover body 63 upper end portion connects a locking nut 64, and 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 Filtering ball valve 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.

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.

Described filter screen 61 top extends in medium runner as filter element, offset bottom bottom and transparent cover body, filter screen 61 is platy structure, valve body is longitudinally divided into two, filter screen 61 top is arranged in the draw-in groove 111 on medium runner inwall, the filter screen of platy structure, considerably increases circulation area, improves filter efficiency.

As shown in Figure 3, 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 4, 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 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.

Further, spherical valve core is arranged near medium runner suction side, the suction side of valve body is connected with PPR pipe road usually, the outlet side of valve body is connected with water knockout drum, and valve body is metal (as copper) material, conveniently be connected with PPR pipe body, in the inlet end of medium runner, namely bonnet 44 connects a locking cap 91, locking cap one end is threaded with bonnet 44, the sheathed PPR pipe body 92 of the other end, PPR pipe is external is arranged with a circle gear edge, locking cap inwall is provided with this gear along the convex shoulder matched, by both cooperations, achieve 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 93.Conveniently be connected with water knockout drum, also a locking cap 81 connection metal joint 82 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 82 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 83 with gear along matching.

At valve body sidepiece near outlet end place, be provided with a table interface 18, table interface is connected with medium runner, it can Bonding pressure table or temperature measuring gauge, the position of the position of this table interface and the handle of valve rod is arranged on same direction, avoid inconvenience during installation, that side is installed all very convenient near body of wall.

When this Filtering ball valve is applied in heating system, in use, usually certain air is all dissolved with in water, and the solubility of air reduces along with the rising of temperature, such water gas in the process of circulation is slowly separated from water, and the bubble even gas column that formation of getting together gradually is large, because there be supplementing of water, so often there is gas to produce, need to be exhausted pressure release to supply channel; So we provide another embodiment, as shown in Figure 5, the ball valve difference from Example 1 of this structure is: 1. hold portion 9 and adopt butterfly architecture; 2. outwardly by medium runner 11 is positioned on rear side of filter screen, to form an outlet valve housing 19; Concrete, the inner cavity chamber 199 of this housing 19 is connected with medium runner 11, and the internal structure of outlet valve can be any one of the prior art, in the present embodiment, be provided with floating drum 191 in inner cavity chamber 199, the upper end portion of floating drum 191 is fixed in inner cavity chamber 199 by connecting rod 192 and spring 193; When the gas in medium runner enters the inner cavity chamber of outlet valve, be gathered in the top of outlet valve, along with increasing of gas in valve, pressure increase, when gas pressure is greater than system pressure, in gas Hui Shi inner cavity chamber, the water surface declines, floating drum declines with water level, opens relief opening 198; After gas drains, water level rises, and floating drum also rises thereupon, closes relief opening 198.

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 Filtering ball valve, comprises valve body (1), valve rod (2), is formed at medium runner (11) in valve body (1) and rotatable spherical valve core (4), for opening and closing medium runner or regulating velocity of medium in medium runner; Be connected with the portion of holding (9) after the top of valve rod (2) passes valve body, the bottom of valve rod (2) is connected with spherical valve core (4), and rotation valve rod can drive spherical valve core to rotate; Described valve body sidepiece outwardly convex is to form a filtration arm (6) be connected with medium runner (11), it is characterized in that: in this filtration arm (6), be provided with the filter screen (61) that is tabular, this filter screen top is connected with medium runner (11) perisporium, and the other end extends to and filters bottom arm; Described filtration arm (6) is transparent configuration at least partly.

2. a kind of Filtering ball valve 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. a kind of Filtering ball valve 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. a kind of Filtering ball valve according to claim 1, is characterized in that: the both sides of described filter screen (61) are provided with and filter the vertically disposed fin of dictyosome (615).

5. a kind of Filtering ball valve according to claim 3, is characterized in that: be provided with seal washer (66) between described transparent cover body and connecting body.

6. a kind of Filtering ball valve 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).

7. a kind of Filtering ball valve according to claim 6, 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.

8. a kind of Filtering ball valve according to claim 2, is characterized in that: described transparent cover body is made up of glass or plastics.

9. Filtering ball valve according to claim 1, is characterized in that: described medium runner (11) is positioned at locate on rear side of filter screen outwardly to form an outlet valve housing (19); An inner cavity chamber (199) be connected with medium runner (11) is formed in this outlet valve housing (19).

10. Filtering ball valve according to claim 1, is characterized in that: described valve body sidepiece is provided with the table interface (18) be connected with medium runner.