CN202746609U - Large flow valve - Google Patents
Large flow valve Download PDFInfo
- Publication number
- CN202746609U CN202746609U CN 201220407565 CN201220407565U CN202746609U CN 202746609 U CN202746609 U CN 202746609U CN 201220407565 CN201220407565 CN 201220407565 CN 201220407565 U CN201220407565 U CN 201220407565U CN 202746609 U CN202746609 U CN 202746609U
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- China
- Prior art keywords
- valve
- described valve
- core
- ring
- valve seat
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- Expired - Lifetime
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Abstract
The utility model provides a large flow valve which comprises a valve core assembly, a valve seat and a valve body which are connected into a whole from top to bottom in a sealed mode, wherein the valve core assembly is fixedly connected with the valve seat and the valve body. The large flow valve is characterized in that the valve seat moves up and down under the action of the valve core assembly, so that the position of the valve seat relative to a central through hole of the valve body is changed, and flow of an area of a fluid flow passage between the central through hole and the valve seat is adjusted. According to the large flow valve, the large flow valve body and a large flow valve core are adopted, a valve cavity with big space and the through hole are arranged in the middle, so large design flow of the valve is guaranteed; the structure of the valve core assembly is compact, exposed springs, extended supports and the like do not exist, so winding and adhering of foreign matters do not happen easily, and further a situation of untight shutoff is avoided; the valve seat is designed in a conical surface overflowing structure, so overflowing noise is reduced greatly.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of large-capacity valve.
Background technique
In the different journey pipe network of fluid supply flow-changing water system, the resistance of often only considering index circuit during actual design calculates, when the actuating pressure of system's least favorable node was guaranteed, the actuating pressure of other node may much larger than design load, cause the hydraulic misadjustment of system.Therefore provide the valve with large traffic engineering capability in heating power and air-conditioning system, to have great importance.
The model utility content
In the different journey pipe network of fluid supply flow-changing water system, the resistance of often only considering index circuit during actual design calculates, when the actuating pressure of system's least favorable node was guaranteed, the actuating pressure of other node may much larger than design load, cause the hydraulic misadjustment of system.Therefore provide the valve with large traffic engineering capability in heating power and air-conditioning system, to have great importance.
The model utility content
The utility model is finished in order to solve deficiency of the prior art, the purpose of this utility model provides a kind of its valve pocket design and has the large characteristics of flow, can satisfy in the practical application large-capacity valve to the requirement of large-capacity valve door, is specially adapted to heating power and air-conditioning system.
The technical solution of the utility model is:
A kind of large-capacity valve, the mangetic core assembly that comprising from top to bottom is tightly connected is integrated, valve seat and valve body, described mangetic core assembly is fixedly connected with described valve body with described valve seat respectively, it is characterized in that: described valve seat moves up and down under the effect of mangetic core assembly, change the relative position between the central through bore of itself and described valve body, regulate the flow by the area of the fluid passage between described central through bore and described valve seat.
Further, the technical solution of the utility model can also be:
Described mangetic core assembly comprises valve rod, loam cake plug, valve core and valve core spring; Described valve core makes described mangetic core assembly be connected with described valve seal by valve core seal ring; Described valve core middle part is the inner chamber of hollow, described loam cake plug inserts in the described valve core downwards from the top of valve core, described valve rod stretches out from the bottom of described valve core after passing vertically downward the loam cake plug and passing described inner chamber, and passes then that described valve seat stretches out and be fixedly connected with described valve seat; Described loam cake plug is tightly connected by plug inner seal ring and plug exterior seal ring and described valve rod and described valve core respectively; Described valve core spring overcoat and described valve rod outer wall, spring upper stop piece is set respectively up and down for it and the spring lower stop piece is fixed in the described inner chamber it; Upper grooves and lower recess are set on the described valve rod, and described upper grooves is positioned at the top of described spring upper stop piece, wherein is embedded with E type back-up ring; Described upper E type back-up ring compresses described spring upper stop piece; Described valve rod is tightly connected by valve stem packing ring and described valve core, and described valve stem packing ring is positioned at described spring lower stop piece below; Described lower recess is positioned at the bottom of described valve rod, in be embedded with lower E type back-up ring; Described lower E type back-up ring compresses the inner face of described valve seat, is used for guaranteeing being tightly connected between described valve rod and the described valve seat; Described valve seat is the conical surface wide at the top and narrow at the bottom, and described conical surface outer wall has inwardly recessed draw-in groove of a circle, wherein is embedded with the cutting off seal circle; Described valve seat moves up and down under the drive of valve rod, changes the relative position between the central through bore with described valve body, and the linear sealing when contacting the realization valve closing by the line between the edge of described cutting off seal circle and described intermediate throughholes.
Described valve rod is driven by external final controlling element and moves up and down.
Described loam cake plug is fixedly connected with by screw thread with described valve core; Described valve core and described valve body are threaded connection fixing.
Described loam cake plug is by the sealing between Sealing shield ring and realization and the described valve rod; Described plug inner seal ring is between loam cake plug and described Sealing shield ring.
Described large-capacity valve is all metal construction.
The fluid output of described valve body is connected with tail pipe.
The locking by the tail pipe nut of described valve body and described tail pipe makes and forms linear sealing between the two.
Major advantage of the present utility model is:
1, spool use to adopt large-capacity valve body and spool, and centre have living space larger valve pocket and through hole guarantee the large design discharge of valve;
2, O RunddichtringO linear sealing mode is used in many places, and effect is better than the face sealing;
3, mangetic core assembly compact structure without exposed spring, the support that stretches out etc., is difficult for producing the winding of booty and adhering to, so can not produce the not tight situation of shutoff; 4, valve seat adopts the structural design of conical surface overcurrent, greatly reduces the overcurrent noise;
4, the integral body of valve all adopts full copper spare design, and preferred brass forges nickel plating, therefore is difficult for the burn into distortion, has guaranteed the working life of product.
Description of drawings
Fig. 1 is the structural representation of large-capacity valve of the present utility model.
The figure number explanation
1. valve rod 2. loam cake plugs 3. plug inner seal rings 4. Sealing shield rings 5. valve cores
6. back-up ring 8. valve core springs 9. valve core seal rings on the spring upper stop piece 7.E type
10. back-up ring 13. valve seats under the spring lower stop piece 11. valve stem packing ring 12.E types
14. cutting off seal circle 15. valve bodies 16. tail pipe nuts 17. tail pipes 18. plug exterior seal rings
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Of the present utility model a kind of large-capacity valve as shown in Figure 1, the mangetic core assembly that comprising from top to bottom is tightly connected is integrated, valve seat 13 and valve body 15.Wherein, mangetic core assembly is fixedly connected with valve body with valve seat respectively, and valve seat moves up and down under the effect of mangetic core assembly, changes the relative position between the central through bore of itself and valve body, regulates the flow by the area of the fluid passage between central through bore and valve seat.
Of the present utility modelly further be described below:
Mangetic core assembly of the present utility model comprises valve rod 1, loam cake plug 2, valve core 5 and valve core spring 8; Valve core makes mangetic core assembly be connected with valve seal by valve core seal ring 9; The valve core middle part is the inner chamber of hollow, and the loam cake plug inserts downwards in the valve core from the top of valve core, and valve rod 1 stretches out from the bottom of valve core after passing vertically downward the loam cake plug and passing this inner chamber, and then passes valve seat 13 and stretch out, and is fixedly connected with valve seat; The loam cake plug is tightly connected with valve rod and valve core by plug inner seal ring 3 and plug exterior seal ring 18 respectively; Valve core spring 8 is coated at 1 outer wall of valve rod, and it arranges respectively up and down spring upper stop piece 6 and spring lower stop piece 10, and valve core spring 8 is fixed in the inner chamber; Be provided with upper grooves and lower recess on the valve rod 1, upper grooves is positioned at the top of spring upper stop piece 6, wherein is embedded with back-up ring 7 on the E type; Back-up ring 7 holddown spring upper stop pieces 6 on the E type; Valve rod is tightly connected by valve stem packing ring 11 and valve core 5, and valve stem packing ring 11 is positioned at the below of spring lower stop piece 10; Lower recess is positioned at the bottom of valve rod, in be embedded with back-up ring 12 under the E type; This time E type back-up ring 12 compresses the inner face of valve seat, is used for guaranteeing being tightly connected between valve rod 1 and the valve seat 13; Valve seat is the conical surface wide at the top and narrow at the bottom, and conical surface outer wall has inwardly recessed draw-in groove of a circle, wherein is embedded with cutting off seal circle 14; Valve seat 13 moves up and down under the drive of valve rod 1, changes the relative position between the central through bore with valve body, and the linear sealing when contacting the realization valve closing by the line between the edge of cutting off seal circle and intermediate throughholes.
Valve rod of the present utility model is driven by external final controlling element and moves up and down.
Loam cake plug of the present utility model and valve core further are threaded connection fixing.
Loam cake plug of the present utility model is by the sealing between Sealing shield ring 4 realizations and the valve rod; The plug inner seal ring is between loam cake plug and Sealing shield ring.When Sealing shield ring is connected with the loam cake plug, need to make Sealing shield ring be out of shape to be fixed on the loam cake plug with special frock, the space of row is the mounting point of plug inner seal ring therebetween.
Valve core of the present utility model is threaded with being connected to of valve body.
Large-capacity valve of the present utility model is all metal construction, and valve body is preferably brass and forges nickel plating, and centre have living space larger valve pocket and intermediate throughholes guarantee to obtain large flow.The structure of large-capacity valve of the present utility model is an overall structure, can integral demounting.The water (flow) direction of large-capacity valve of the present utility model is the direction of the jack-up valve seat that makes progress, and namely flows the open form design, makes things convenient for valve opening.
Further, the fluid output of valve body of the present utility model also is connected with tail pipe.The locking by the tail pipe nut of valve body of the present utility model and tail pipe makes and forms linear sealing between the two.The position that tail pipe contacts with the outflow opening of valve body is an arcuate structure, and the outflow opening of valve body is with 45 ° of chamferings, and under the locking effect of tail pipe nut, both form the seal form of linear sealing, guarantees sealing herein.Inner wall of liner is with the twice projection, and tail pipe is prior to the connection of pipeline during convenient the installation.When valve is installed, first tail pipe is connected with pipeline, again with tail pipe nut and valve body locking, because this mechanism is that the tail pipe nut can arbitrarily rotate for being flexibly connected, so can make things convenient for installation process.
The sealing of large-capacity valve of the present utility model by plug inner seal ring, plug exterior seal ring, valve stem packing ring, valve core seal ring, and the linear sealing structure of tail pipe valve body realize.The cutting off seal circle guarantees the shutoff effect of valve.Seal ring material of the present utility model is preferably EPDM.
Working principle of the present utility model is:
Valve rod is moved up and down by the drive of external final controlling element, because of the fixation of back-up ring under back-up ring, the E type on the E type, can drive spring upper stop piece and valve seat and be synchronized with the movement simultaneously.After the EDGE CONTACT and compression of the cutting off seal circle 14 on the valve seat and valve body intermediate throughholes, the through-flow of valve closed; When the lower surface contact-type of upper surface and the valve core of valve seat, valve reaches maximum opening.Valve core spring is fixed between spring upper stop piece and the spring lower stop piece, and the position when valve wide open is its initial length.When valve rod pressed down, the spring upper stop piece was along with moving downward, and the spring lower stop piece is motionless, and valve core spring is corresponding compressed, and can produce restoring force upwards, and this setting can make things convenient for the unlatching of valve.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not be as protection domain of the present utility model; every equivalence of having done according to the design spirit in the utility model changes or modifies, and all should think to fall into protection domain of the present utility model.
Claims (8)
1. large-capacity valve, the mangetic core assembly that comprising from top to bottom is tightly connected is integrated, valve seat and valve body, described mangetic core assembly is fixedly connected with described valve body with described valve seat respectively, it is characterized in that: described valve seat moves up and down under the effect of mangetic core assembly, change the relative position between the central through bore of itself and described valve body, regulate the flow by the area of the fluid passage between described central through bore and described valve seat.
2. a kind of large-capacity valve according to claim 1, it is characterized in that: described mangetic core assembly comprises valve rod, loam cake plug, valve core and valve core spring; Described valve core makes described mangetic core assembly be connected with described valve seal by valve core seal ring; Described valve core middle part is the inner chamber of hollow, described loam cake plug inserts in the described valve core downwards from the top of valve core, described valve rod stretches out from the bottom of described valve core after passing vertically downward the loam cake plug and passing described inner chamber, and passes then that described valve seat stretches out and be fixedly connected with described valve seat; Described loam cake plug is tightly connected by plug inner seal ring and plug exterior seal ring and described valve rod and described valve core respectively; Described valve core spring overcoat and described valve rod outer wall, spring upper stop piece is set respectively up and down for it and the spring lower stop piece is fixed in the described inner chamber it; Upper grooves and lower recess are set on the described valve rod, and described upper grooves is positioned at the top of described spring upper stop piece, wherein is embedded with E type back-up ring; Described upper E type back-up ring compresses described spring upper stop piece; Described valve rod is tightly connected by valve stem packing ring and described valve core, and described valve stem packing ring is positioned at described spring lower stop piece below; Described lower recess is positioned at the bottom of described valve rod, in be embedded with lower E type back-up ring; Described lower E type back-up ring compresses the inner face of described valve seat, is used for guaranteeing being tightly connected between described valve rod and the described valve seat; Described valve seat is the conical surface wide at the top and narrow at the bottom, and described conical surface outer wall has inwardly recessed draw-in groove of a circle, wherein is embedded with the cutting off seal circle; Described valve seat moves up and down under the drive of valve rod, changes the relative position between the central through bore with described valve body, and the linear sealing when contacting the realization valve closing by the line between the edge of described cutting off seal circle and described intermediate throughholes.
3. a kind of large-capacity valve according to claim 2 is characterized in that: described valve rod is driven by external final controlling element and moves up and down.
4. a kind of large-capacity valve according to claim 2, it is characterized in that: described loam cake plug is fixedly connected with by screw thread with described valve core; Described valve core and described valve body are threaded connection fixing.
5. a kind of large-capacity valve according to claim 2, it is characterized in that: described loam cake plug is by the sealing between Sealing shield ring and realization and the described valve rod; Described plug inner seal ring is between loam cake plug and described Sealing shield ring.
6. a kind of large-capacity valve according to claim 1, it is characterized in that: described large-capacity valve is all metal construction.
7. a kind of large-capacity valve according to claim 2, it is characterized in that: the fluid output of described valve body is connected with tail pipe.
8. a kind of large-capacity valve according to claim 7 is characterized in that: the locking by the tail pipe nut of described valve body and described tail pipe makes and forms linear sealing between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407565 CN202746609U (en) | 2012-08-16 | 2012-08-16 | Large flow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407565 CN202746609U (en) | 2012-08-16 | 2012-08-16 | Large flow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746609U true CN202746609U (en) | 2013-02-20 |
Family
ID=47706008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407565 Expired - Lifetime CN202746609U (en) | 2012-08-16 | 2012-08-16 | Large flow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746609U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132154A (en) * | 2014-07-27 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Stepless natural gas flow regulating valve |
| CN104132155A (en) * | 2014-07-27 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Multipoint positioning natural gas flow regulation structure |
| CN104154252A (en) * | 2014-07-27 | 2014-11-19 | 成都国光电子仪表有限责任公司 | Multipoint-orientation natural gas flow adjusting valve |
| CN104179987A (en) * | 2014-07-27 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Natural gas flow regulating valve with multiple gas inlet positions |
| CN104179988A (en) * | 2014-07-27 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Multi-level flow regulating valve |
| CN104265908A (en) * | 2014-07-27 | 2015-01-07 | 成都国光电子仪表有限责任公司 | Natural gas flow adjusting structure |
| CN107237892A (en) * | 2017-04-25 | 2017-10-10 | 甘肃天恩重工科技有限公司 | A kind of improved high-voltage needle-valve and its quick change method |
| CN107297515A (en) * | 2017-08-15 | 2017-10-27 | 沈阳建筑大学 | A kind of intelligent control electro spindle coolant rate valve body |
| CN109058576A (en) * | 2018-09-10 | 2018-12-21 | 中国石油天然气股份有限公司 | Flow control valve |
-
2012
- 2012-08-16 CN CN 201220407565 patent/CN202746609U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132154A (en) * | 2014-07-27 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Stepless natural gas flow regulating valve |
| CN104132155A (en) * | 2014-07-27 | 2014-11-05 | 成都国光电子仪表有限责任公司 | Multipoint positioning natural gas flow regulation structure |
| CN104154252A (en) * | 2014-07-27 | 2014-11-19 | 成都国光电子仪表有限责任公司 | Multipoint-orientation natural gas flow adjusting valve |
| CN104179987A (en) * | 2014-07-27 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Natural gas flow regulating valve with multiple gas inlet positions |
| CN104179988A (en) * | 2014-07-27 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Multi-level flow regulating valve |
| CN104265908A (en) * | 2014-07-27 | 2015-01-07 | 成都国光电子仪表有限责任公司 | Natural gas flow adjusting structure |
| CN107237892A (en) * | 2017-04-25 | 2017-10-10 | 甘肃天恩重工科技有限公司 | A kind of improved high-voltage needle-valve and its quick change method |
| CN107237892B (en) * | 2017-04-25 | 2023-09-19 | 甘肃天恩重工科技有限公司 | Improved high-pressure needle valve and quick replacement method thereof |
| CN107297515A (en) * | 2017-08-15 | 2017-10-27 | 沈阳建筑大学 | A kind of intelligent control electro spindle coolant rate valve body |
| CN109058576A (en) * | 2018-09-10 | 2018-12-21 | 中国石油天然气股份有限公司 | Flow control valve |
| CN109058576B (en) * | 2018-09-10 | 2023-09-26 | 中国石油天然气股份有限公司 | Flow regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |