CN204176014U - Filtering ball valve - Google Patents
Filtering ball valve Download PDFInfo
- Publication number
- CN204176014U CN204176014U CN201420417814.0U CN201420417814U CN204176014U CN 204176014 U CN204176014 U CN 204176014U CN 201420417814 U CN201420417814 U CN 201420417814U CN 204176014 U CN204176014 U CN 204176014U
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- Prior art keywords
- valve
- medium runner
- filter screen
- medium
- arm
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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; The corresponding medium runner place of described valve body is provided with the valve seat matched with spherical valve core, and the corresponding spherical valve core side of this valve seat is provided with the sealing surface matched with this spherical valve core; Valve body sidepiece outwardly convex is to form a filtration arm be connected with medium runner, and be provided with a filter screen in a tubular form in this filtration arm, filter screen top is connected with medium runner perisporium, and the other end extends to and filters bottom arm; The axes normal of described filtration arm is in the axis of medium runner; Described filter screen is provided with the opening for passing through for impurity corresponding to medium runner suction side.
Description
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, need to be filtered the impurity in water by a Filtering ball valve; Filtering ball valve conventional at present has Y type Novel filtration 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; The filter tap structure of this structure is simple, and screen replacing is convenient, applies comparatively extensive; But be inclined to set owing to filtering cavity, after using a period of time, be deposited on the impurity filtered bottom cavity and be easy to rushed along with the circulation of medium, then block filtration channel.
Model utility content
The utility model in order to overcome the deficiencies in the prior art, provide a kind of rate of filtration soon, not susceptible to plugging Filtering ball valve.
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; The corresponding medium runner place of described valve body is provided with the valve seat matched with spherical valve core, and the corresponding spherical valve core side of this valve seat is provided with the sealing surface matched with this spherical valve core; Valve body sidepiece outwardly convex is to form a filtration arm be connected with medium runner, and be provided with a filter screen in a tubular form in this filtration arm, filter screen top is connected with medium runner perisporium, and the other end extends to and filters bottom arm; The axes normal of described filtration arm is in the axis of medium runner; Described filter screen is provided with the opening for passing through for impurity corresponding to medium runner suction side; This Filtering ball valve adopts the filter screen of special construction, makes the medium in medium runner transfer to close to laminar condition from turbulent condition, is conducive to contamination precipitation, improves 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.
Further, 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.
Further, described filter screen is provided with positioning groove, filters arm diapire and is provided with the positioning convex portion matched with this positioning groove.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.
As preferably, 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; 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.
Be provided with seal washer between described transparent cover body and connection pipe 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; 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.
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; Valve body incorporates outlet valve housing, eliminates the trouble of installing separately outlet valve, saved cost.
As preferably, described transparent cover body is made up of glass or plastics.
In sum, this filter tap has the following advantages: this Filtering ball valve overall structure is simple, adopts the filter screen of special construction, and contamination precipitation speed is fast, good filtration effect; Also blocking phenomenon is there will not be after long-time use.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Fig. 2 is the Split type structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of another kind of embodiment 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; Filter in arm 6 and be provided with a cylindrical filter screen 61, filter screen 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 filter screen is provided with the opening 611 for passing through for impurity corresponding to medium runner suction side.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 gradually and filter in arm;
On the one hand, the circulating direction of medium in the medium runner of circle is in turbulent condition, 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, then precipitate, runner can not be blocked along with current direction stirs, compared to traditional Y-shaped filtering ball valve, the impurity in this Filtering ball valve 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.
Further, for the ease of observing the good impurity level of valve body inner filtration, described filtration arm 6 is arranged to be transparent configuration at least partly by we.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 synthetic glass that described filtration arm 6 comprises with valve body, (obviously, transparent cover body 63 also can have other transparent materials such as PC to gather carbon plastics, all can adopt as long as it meets the characteristics such as corrosion-and high-temp-resistant); Connection pipe body and lid removably connect, concrete, and 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.
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.
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, and 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, 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, avoids inconvenience during installation, and 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 3, 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.
In this configuration, there is an outlet valve by one-body molded on valve body, eliminate the trouble of installing separately outlet valve in supply channel, saved cost, decrease and trouble is installed; And outlet valve is arranged on rear side of filter screen, namely the medium flowed in outlet valve all filters out impurity, thus decreases the number of times of maintenance.
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 (10)
1. a Filtering ball valve, comprise valve body (1), valve rod (2), be 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 (1) corresponding medium runner (11) place is provided with the valve seat (3) matched with spherical valve core (4), and corresponding spherical valve core (4) side of this valve seat is provided with the sealing surface matched with this spherical valve core; Valve body sidepiece outwardly convex, to form a filtration arm (6) be connected with medium runner (11), is provided with a filter screen (61) in a tubular form in this filtration arm (6); Filter screen upper end portion and medium runner (11) inner circle wall offset, and the other end extends to and filters bottom arm; It is characterized in that: the axes normal of described filtration arm (6) is in the axis of medium runner (11); Described filter screen is provided with the opening (611) for passing through for impurity corresponding to medium runner suction side.
2. Filtering ball valve according to claim 1, is characterized in that: described filtration arm (6) is transparent configuration at least partly.
3. Filtering ball valve according to claim 2, it 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.
4. Filtering ball valve according to claim 3, 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.
5. Filtering ball valve according to claim 4, is characterized in that: described filter screen is provided with positioning groove (612), filters arm diapire and is provided with the positioning convex portion (613) matched with this positioning groove.
6. Filtering ball valve according to claim 5, it is characterized in that: described transparent cover body (63) upper end portion is provided with a stopper protrusion (632), connection pipe body (62) underpart is provided with the spacing shrinkage pool (622) matched with this stopper protrusion (632).
7. Filtering ball valve according to claim 6, is characterized in that: be provided with seal washer (66) between described transparent cover body and connection pipe body, and sealing packing ring is provided with the through hole (661) passed for described stopper protrusion.
8. Filtering ball valve according to claim 4, 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).
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 2, is characterized in that: described transparent cover body is made up of glass or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417814.0U CN204176014U (en) | 2014-07-28 | 2014-07-28 | Filtering ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417814.0U CN204176014U (en) | 2014-07-28 | 2014-07-28 | Filtering ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204176014U true CN204176014U (en) | 2015-02-25 |
Family
ID=52564824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417814.0U Expired - Fee Related CN204176014U (en) | 2014-07-28 | 2014-07-28 | Filtering ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204176014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506517A (en) * | 2018-05-21 | 2018-09-07 | 日丰企业（佛山）有限公司 | Connection valve and fore filter |
| CN114278769A (en) * | 2021-12-17 | 2022-04-05 | 董服义 | Water inlet valve with instant sewage discharging function |
-
2014
- 2014-07-28 CN CN201420417814.0U patent/CN204176014U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506517A (en) * | 2018-05-21 | 2018-09-07 | 日丰企业（佛山）有限公司 | Connection valve and fore filter |
| CN108506517B (en) * | 2018-05-21 | 2023-12-29 | 日丰企业（佛山）有限公司 | Connecting valve and prefilter |
| CN114278769A (en) * | 2021-12-17 | 2022-04-05 | 董服义 | Water inlet valve with instant sewage discharging function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20190728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |