CN204828710U - Big adjustable control valve that compares of low discharge - Google Patents
Big adjustable control valve that compares of low discharge Download PDFInfo
- Publication number
- CN204828710U CN204828710U CN201520510997.5U CN201520510997U CN204828710U CN 204828710 U CN204828710 U CN 204828710U CN 201520510997 U CN201520510997 U CN 201520510997U CN 204828710 U CN204828710 U CN 204828710U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve core
- big
- small
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a big adjustable control valve that compares of low discharge, including the valve body, medium inlet and medium export set up respectively in in the valve body, valve body and valve gap pass through fastener sealing connection, still set up the valve pocket in the inside of valve body, disk seat and sleeve install respectively in in the valve pocket, offer the case mounting hole in the disk seat, big case install in in the case mounting hole, big case and case cover threaded connection, the valve rod stretches into the inside of valve gap, it runs through the case cover and is connected with the through -hole of gate valve in -core portion through little case, and valvelet core an organic whole takes shape in the one end of valve rod, still cup joints the spring in the outer end of valve rod. The utility model discloses simple structure, the structure that adopts big or small case to combine together have replaced original two sets of valve structure's scheme to realize low discharge big adjustable ratio can directly reducing user investment cost 70% through a deck valve door, satisfy from the low discharge to large -traffic wide region regulation, not only satisfied the user demand, still lengthened equipment life.
Description
Technical field
The utility model relates to control valve field, particularly relate to a kind of can for tiny flow quantity and again can in wide range the large regulating ratio control valve of the small flow of adjust flux.
Background technique
At present, for small flow large regulating ratio control valve structure, domestic and external producer is all that employing 2 is overlapped valve mechanism and solved, namely a small flow valve is utilized to control small flow, a large-capacity valve is utilized to control large discharge, carry out the principle of main bypass Staged cotrol, small flow valve is by accomplishing the requirement meeting Flow characteristics to the shape of aciculiform spool simultaneously, the size of above-mentioned aciculiform spool generally only has 1 ~ 2mm, though this aciculiform spool can meet the usage requirement of small flow valve, but there will be following shortcoming in actual use: because the size of aciculiform spool is less, the phenomenon that spool ruptures easily is there is in actual application, in addition because spool size is less, fluid is very fast at the flow velocity at spool place, easily produce destructiveness to aciculiform spool to wash away, thus destroy aciculiform spool, its degree of regulation is deteriorated, simultaneously for the cost of investment of valve, piping cost and equipment investment cost also have certain increase.
In order to improve the domestic technique level of this occasion lower valve, simultaneously also for my company enters rapidly this high-end field, my company is through creationary design, be designed to unique structure, original produced problem is thoroughly eliminated, fundamentally solve Problems existing, both met usage requirement, extend working life again.
Model utility content
The applicant, for above-mentioned existing issue, is studied improvement, provides small flow large regulating ratio control valve, can realize large regulating ratio small flow, greatly saved customer investment cost, not only met usage requirement, also extended working life by a deck valve.
The technological scheme that the utility model adopts is as follows:
The large regulating ratio control valve of a kind of small flow comprises valve body, medium inlet and media outlet are opened in described valve body respectively, described valve body and valve gap are tightly connected by fastening piece, also valve pocket is offered in the inside of described valve body, valve seat and sleeve are installed in described valve pocket respectively, spool mounting hole is offered in described valve seat, big valve core is installed in described spool mounting hole, described big valve core is threaded with valve core housing, valve rod stretches into the inside of described valve gap, it runs through valve core housing by small valve core and is connected with the through hole of big valve core inside, described small valve core is integrally formed in one end of valve rod, also spring is socketed in the outer end of described valve rod.
Further improvement as technique scheme:
The top of described sleeve abuts each other with the bottom of valve gap, and the bottom of described sleeve abuts each other with the top of valve seat, and the wall along described sleeve offers some through holes;
The upper end of described spring is stretched into the upper locating slot of valve gap and abuts against with the bottom land of described locating slot, and the lower end of described spring embeds in the positioning ring groove of valve core housing upper surface;
The big valve core epicoele run through for valve rod is also offered in described valve core housing, the periphery of described valve rod and described big valve core epicoele seal and are slidably matched, the through hole of described big valve core inside is made up of the valve core through hole sequentially offered from top to bottom and big valve core cavity of resorption, described valve core through hole and big valve core cavity of resorption through big valve core vertically, described big valve core epicoele, valve core through hole and big valve core cavity of resorption are communicated with and coaxially arranged each other, and described small valve core coordinates each other with described valve core through hole;
In described big valve core epicoele, also arrange liner clamp, the soft lining of inner ring press seal of described liner clamp, the soft lining compression fit of described sealing is in the periphery of small valve core;
Offer " V " shape to cut sth. askew groove in one end of described small valve core, along the axial direction of described small valve core, the cut sth. askew bottom land centre line L 2 of groove of described " V " shape tilts along the upper end of described small valve core to lower end, described " V " shape is made to cut sth. askew the groove depth of groove along the upper end of described small valve core to lower end in increasing progressively, described " V " shape is cut sth. askew between the bottom land centre line L 2 of groove and horizontal line L 1 and is formed angle α, the angular range of described α is 4 ° ~ 40 °, described " V " shape cut sth. askew groove left and right madial wall between form angle β;
Described valve rod stretch into valve gap one end, in the periphery of described valve rod, matrix liner and filler pressing sleeve are also set, between described matrix liner and filler pressing sleeve, filler is set, Gland abuts with described filler pressing sleeve, and described Gland is fixed in one end of valve gap by fastening piece;
Described valve core housing also arranges MEDIA FLOW hand-hole, and the periphery wall of described valve core housing and the inner hole wall of sleeve seal and are slidably matched.
The beneficial effects of the utility model are as follows:
The utility model structure is simple, easy to use, the structure adopting large small valve core to combine instead of the scheme of original two cover valve mechanisms, thus realize the large regulating ratio of small flow by a deck valve door, can directly reduce customer investment cost 70%, the wide range met from small flow to large discharge regulates, during small valve core action, big valve core applies seal preload by spring, thus ensure small valve core action time big valve core closedown, guarantee leakage class, when small valve core standard-sized sheet, small valve core and big valve core Compress Spring is driven to move by valve rod, thus realize the adjustment of large discharge, to cut sth. askew groove by increasing " V " shape on small valve core simultaneously, utilize " V " shape cut sth. askew groove control minimum discharge, thus solve the problem of original aciculiform spool degree of regulation difference, not only meet user demand, also extend service life of equipment.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of small valve core in the utility model.
Fig. 3 be Fig. 2 B to sectional structure schematic diagram.
Fig. 4 is the structure for amplifying schematic diagram of Fig. 1 at A place.
Fig. 5 is the structural representation of big valve core in the utility model.
Wherein: 1, valve body; 1a, medium inlet; 1b, media outlet; 2, valve seat; 3, sleeve; 4, big valve core; 4a, big valve core epicoele; 4b, valve core through hole; 4c, big valve core cavity of resorption; 5, small valve core; 6, valve core housing; 6a, MEDIA FLOW hand-hole; 601, positioning ring groove; 7, valve gap; 701, upper locating slot; 8, spring; 9, the first hexagon nut; 10, the first stud bolt; 11, matrix liner; 12, filler; 13, filler pressing sleeve; 14, Gland; 15, the second stud bolt; 16, the second hexagon nut; 17, an O RunddichtringO; 18, the 2nd O RunddichtringO; 19, valve rod; 20, valve gap packing ring; 21, liner clamp; 22, soft lining is sealed; 23, valve washer.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
As shown in Figure 1, the large regulating ratio control valve of small flow comprises valve body 1, medium inlet 1a and media outlet 1b is opened in valve body 1 respectively, valve body 1 and valve gap 7 are tightly connected by the first stud bolt 10 and the first hexagon nut 9, also valve pocket is offered in the inside of valve body 1, valve seat 2 and sleeve 3 are installed in valve pocket respectively, the bottom of valve seat 2 arranges valve washer 23, the top of sleeve 3 abuts each other with the bottom of valve gap 7, the bottom of sleeve 3 abuts each other with the top of valve seat 2, and the wall along sleeve 3 offers some through holes.Spool mounting hole is offered in above-mentioned valve seat 2, big valve core 4 is installed in spool mounting hole, big valve core 4 is threaded with valve core housing 6, the periphery wall of valve core housing 6 and the inner hole wall of sleeve 3 seal and are slidably matched, MEDIA FLOW hand-hole 6a is set on described valve core housing 6, the position of valve core housing 6 can rotate adjustment, the stroke of big valve core 4 is regulated according to practical application, widen accommodation of the present utility model, valve rod 19 stretches into the inside of valve gap 7, it runs through valve core housing 6 by small valve core 5 and is connected with the through hole of big valve core 4 inside, small valve core 5 is integrally formed in one end of valve rod 19, spring 8 is also socketed in the outer end of valve rod 19, the upper locating slot 701 of valve gap 7 is stretched in the upper end of spring 8, and abut against with the bottom land of locating slot 701, the lower end of spring 8 embeds in the positioning ring groove 601 of valve core housing 6 upper surface, upper locating slot 701, the layout of positioning ring groove 601 can make the position stability of spring 8, thus stability when improving control valve work.As shown in Figure 1, the medium inlet 1a of above-mentioned valve body is connected with the space outerpace of valve seat 2 and sleeve 3, and media outlet 1b is communicated with the lower end of valve seat mounting hole.
As shown in Figure 5, the big valve core epicoele 4a run through for valve rod 19 is also offered in valve core housing 6, the periphery of valve rod 19 and big valve core epicoele 4a seal and are slidably matched, the through hole of big valve core 4 inside is made up of the valve core through hole 4b sequentially offered from top to bottom and big valve core cavity of resorption 4c, valve core through hole 4b and big valve core cavity of resorption 4c through big valve core 4 vertically, big valve core epicoele 4a, valve core through hole 4b and big valve core cavity of resorption 4c are communicated with and coaxially arranged each other, and small valve core 5 coordinates each other with valve core through hole 4b.As shown in Figure 4, in big valve core epicoele 4a, also arrange liner clamp 21, the soft lining 22 of inner ring press seal of liner clamp 21, seal soft lining 22 compression fit in the periphery of small valve core 5.
As shown in Figure 2 and Figure 3, offer " V " shape to cut sth. askew groove in one end of small valve core 5, along the axial direction of small valve core 5, the cut sth. askew bottom land centre line L 2 of groove of " V " shape tilts along the upper end of small valve core 5 to lower end, " V " shape is made to cut sth. askew the groove depth of groove along the upper end of small valve core 5 to lower end in increasing progressively, " V " shape is cut sth. askew between the bottom land centre line L 2 of groove and horizontal line L 1 and is formed angle α, the angular range of α is 4 ° ~ 40 °, " V " shape cut sth. askew groove left and right madial wall between form angle β.As shown in Figure 1, valve rod 19 stretch into valve gap 7 one end, in the periphery of valve rod 19, matrix liner 11 and filler pressing sleeve 13 are also set, between matrix liner 11 and filler pressing sleeve 13, filler 12 is set, Gland 14 abuts with filler pressing sleeve 13, Gland 14 is fixed in one end of valve gap 7 by the second stud bolt 15, second hexagon nut 16, in above-mentioned filler pressing sleeve 13, an O RunddichtringO 17 and the 2nd O RunddichtringO 18 are also set in the periphery of described valve rod 19.
Specific works process of the present utility model is as follows:
In actual application, small valve core 5 is driven by valve rod 19 and moves up, " V " shape of small valve core 5 is cut sth. askew on groove move, the cut sth. askew groove of groove of " V " shape of small valve core 5 rises center hole in the soft lining 22 of sealing and liner clamp 21, make small valve core 5 in an open position, medium enters sleeve 8 by some through holes that sleeve 8 is arranged after being flowed into by medium inlet 1a, then enter in valve core housing 6 by MEDIA FLOW hand-hole 6a, medium is cut sth. askew in big valve core epicoele 4a and valve core through hole 4b that concentrated flow enters valve core housing 6 by " V " shape, finally flowed out by big valve core cavity of resorption 4c and media outlet, thus play the object controlling small flow, in the course of action of above-mentioned small valve core 5, when the pretightening force of spring 8 ensures small valve core 5 action, the stressed closedown of big valve core 4, guarantee leakage class.When small valve core 5 is in the closed position, " V " shape of small valve core 5 cuts sth. askew the groove top of groove lower than the center hole of the soft lining 22 of sealing and liner clamp 21, medium flow into " V " shape cut sth. askew groove time can give sealing soft lining 22 apply pressure, make sealing soft lining 22 forced compression, thus make soft lining 22 compression of sealing hold small valve core 5 tightly, prevent the action of small valve core 5, ensure that sealing, thus achieve the adjustment of tiny flow quantity, when small valve core 5 is in fully open position, big valve core 4 is driven to move up and down by the small valve core 5 of valve rod 22, in upper and lower running, big valve core 4 Compress Spring 8 moves together, now medium enters valve seat 5 through sleeve 3, finally flowed out by the valve seat mounting hole of valve seat 5 and media outlet 1b, thus realize the adjustment of large discharge.
Above-mentioned " V " shape cuts sth. askew the α angle of groove and β angle for control valve body minimum discharge, designs the size at α angle and β angle according to different product requirements.
More than describing is to explanation of the present utility model, and be not the restriction to model utility, the utility model limited range is see claim, and when without prejudice to basic structure of the present utility model, the utility model can do any type of amendment.
Claims (8)
1. the large regulating ratio control valve of small flow, it is characterized in that: comprise valve body (1), medium inlet (1a) and media outlet (1b) are opened in described valve body (1) respectively, described valve body (1) and valve gap (7) are tightly connected by fastening piece, also valve pocket is offered in the inside of described valve body (1), valve seat (2) and sleeve (3) are installed in described valve pocket respectively, spool mounting hole is offered in described valve seat (2), big valve core (4) is installed in described spool mounting hole, described big valve core (4) is threaded with valve core housing (6), valve rod (19) stretches into the inside of described valve gap (7), it runs through valve core housing (6) by small valve core (5) and the through hole inner with big valve core (4) is connected, described small valve core (5) is integrally formed in one end of valve rod (19), spring (8) is also socketed in the outer end of described valve rod (19).
2. the large regulating ratio control valve of small flow as claimed in claim 1, it is characterized in that: the top of described sleeve (3) abuts each other with the bottom of valve gap (7), the bottom of described sleeve (3) abuts each other with the top of valve seat (2), and the wall along described sleeve (3) offers some through holes.
3. the large regulating ratio control valve of small flow as claimed in claim 1, it is characterized in that: the upper end of described spring (8) is stretched into the upper locating slot (701) of valve gap (7) and abuts against with the bottom land of described locating slot (701), the lower end of described spring (8) embeds in the positioning ring groove (601) of valve core housing (6) upper surface.
4. the large regulating ratio control valve of small flow as claimed in claim 1, it is characterized in that: in described valve core housing (6), also offer the big valve core epicoele (4a) run through for valve rod (19), the periphery of described valve rod (19) and described big valve core epicoele (4a) seal and are slidably matched, the through hole of described big valve core (4) inside is made up of the valve core through hole (4b) sequentially offered from top to bottom and big valve core cavity of resorption (4c), described valve core through hole (4b) and big valve core cavity of resorption (4c) through big valve core (4) vertically, described big valve core epicoele (4a), valve core through hole (4b) and big valve core cavity of resorption (4c) are communicated with and coaxially arranged each other, described small valve core (5) coordinates each other with described valve core through hole (4b).
5. the large regulating ratio control valve of small flow as claimed in claim 4, it is characterized in that: in described big valve core epicoele (4a), also arrange liner clamp (21), the soft lining of inner ring press seal (22) of described liner clamp (21), the soft lining of described sealing (22) compression fit is in the periphery of small valve core (5).
6. the large regulating ratio control valve of small flow as claimed in claim 3, it is characterized in that: in one end of described small valve core (5), axial direction along described small valve core (5) is offered " V " shape and to be cut sth. askew groove, the cut sth. askew bottom land centre line L 2 of groove of described " V " shape tilts along the upper end of described small valve core (5) to lower end, described " V " shape is made to cut sth. askew the groove depth of groove along upper end to the lower end of described small valve core (5) in increasing progressively, described " V " shape is cut sth. askew between the bottom land centre line L 2 of groove and horizontal line L 1 and is formed angle α, the angular range of described α is 4 ° ~ 40 °, described " V " shape cut sth. askew groove left and right madial wall between form angle β.
7. the large regulating ratio control valve of small flow as claimed in claim 1, it is characterized in that: described valve rod (19) stretch into valve gap (7) one end, in the periphery of described valve rod (19), matrix liner (11) and filler pressing sleeve (13) are also set, between described matrix liner (11) and filler pressing sleeve (13), filler (12) is set, Gland (14) abuts with described filler pressing sleeve (13), and described Gland (14) is fixed in one end of valve gap (7) by fastening piece.
8. the large regulating ratio control valve of small flow as claimed in claim 1, it is characterized in that: described valve core housing (6) is also arranged MEDIA FLOW hand-hole (6a), the periphery wall of described valve core housing (6) and the inner hole wall of sleeve (3) seal and are slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510997.5U CN204828710U (en) | 2015-09-25 | 2015-09-25 | Big adjustable control valve that compares of low discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510997.5U CN204828710U (en) | 2015-09-25 | 2015-09-25 | Big adjustable control valve that compares of low discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828710U true CN204828710U (en) | 2015-12-02 |
Family
ID=54686313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520510997.5U Active CN204828710U (en) | 2015-09-25 | 2015-09-25 | Big adjustable control valve that compares of low discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204828710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058576A (en) * | 2018-09-10 | 2018-12-21 | 中国石油天然气股份有限公司 | Flow control valve |
| CN110094514A (en) * | 2018-01-31 | 2019-08-06 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
-
2015
- 2015-09-25 CN CN201520510997.5U patent/CN204828710U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094514A (en) * | 2018-01-31 | 2019-08-06 | 株式会社鹭宫制作所 | Motor-driven valve and refrigerating circulation system |
| CN110094514B (en) * | 2018-01-31 | 2022-03-22 | 株式会社鹭宫制作所 | Electric valve and refrigeration cycle system |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204942717U (en) | Diaphragm stop valve | |
| CN104358885A (en) | High-pressure difference and high-flow rate adjustable ratio control valve | |
| CN102563104A (en) | Self-operated sleeve regulating valve | |
| CN204828710U (en) | Big adjustable control valve that compares of low discharge | |
| CN201326826Y (en) | High-pressure multistage step-down cage balanced type angle valve | |
| CN203374844U (en) | Adjusting valve | |
| CN204267762U (en) | High Pressure Difference high-flow adjustable ratio control valve | |
| CN202431993U (en) | Self-operated sleeve adjusting valve | |
| CN203906910U (en) | Axial-flow type ball check valve | |
| CN202327194U (en) | Seal regulating ball valve | |
| CN206723461U (en) | Without pressure difference multifunction valve | |
| CN201225431Y (en) | Adjustable pressure relief valve | |
| CN102853155B (en) | Adjustable pressure reducing valve with high pressure reducing ratio | |
| CN206017914U (en) | A kind of lift check valve with flow control function | |
| CN202545859U (en) | Forged high-pressure high-performance regulating valve | |
| CN201521692U (en) | Novel overflow valve | |
| CN204083312U (en) | A kind of temperature-decreased pressure reducer improveing spool | |
| CN203335949U (en) | Lifting type check valve | |
| CN203309327U (en) | Water condensing and feeding adjustment valve | |
| CN103322253A (en) | Pressure feedback reducing valve | |
| CN201712658U (en) | External adjusted constant-current overflow valve for steering pump | |
| CN202032142U (en) | Automatic pressure-regulation valve for sewage treatment | |
| CN201934109U (en) | Ultra-large-flow safety valve | |
| CN203585471U (en) | Direct flow piston type guide adjustable reducing valve | |
| CN202451865U (en) | High-pressure energy-saving general type parallel double disc gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |