CN213711892U - Composite cage cover shaft plug high-pressure-difference small-flow regulating valve - Google Patents
Composite cage cover shaft plug high-pressure-difference small-flow regulating valve Download PDFInfo
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- CN213711892U CN213711892U CN202022005306.XU CN202022005306U CN213711892U CN 213711892 U CN213711892 U CN 213711892U CN 202022005306 U CN202022005306 U CN 202022005306U CN 213711892 U CN213711892 U CN 213711892U
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Abstract
The utility model discloses a composite cage cover shaft plug high-pressure difference small flow regulating valve, in particular to the technical field of flow regulating valves, which comprises a valve cover and a valve body, wherein the valve body is arranged on one side of the valve cover, one side of the valve cover is provided with a third bolt, the third bolt penetrates through the valve cover and the valve body and is in threaded connection with the valve cover and the valve body, the outer side of the third bolt is provided with a nut, the nut is in threaded connection with the third bolt, the inner part of the valve body is provided with a throttling cage cover, one side of the throttling cage cover is provided with a valve seat, the inner part of the valve body is provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting valve core, the adjusting valve core is arranged in the valve body, the adjusting valve core penetrates through the valve cover and the valve body and extends out of the valve cover, the two, making it difficult to adjust it to a small flow.
Description
Technical Field
The utility model relates to a flow control valve technical field, concretely relates to little flow control valve of compound cage cover axle stopper high pressure difference.
Background
The flow regulating valve is also called self-operated balance valve, flow control valve, flow controller, dynamic balance valve and flow balance valve, and is a visual and simple flow regulating and controlling device, the flow regulating valve is also called self-operated flow control valve, flow balance valve and static balance valve, and is a visual and simple flow regulating and controlling device.
The prior art has the following defects: the existing flow regulating valve is very troublesome to regulate, and the internal pressure of the regulating valve is increased due to the fact that water flow still flows in the regulating process, so that the regulating valve is difficult to regulate into small flow.
Therefore, the invention of the composite cage shaft plug high-pressure-difference small-flow regulating valve is necessary.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a little flow control valve of compound cage cover axle stopper high pressure difference realizes the second grade through the promotion of governing valve core in the disk seat hole and adjusts, adjusts the removal of case, and four throttle channels's flow variation adjusts the case and takes off with the laminating of disk seat conical surface and realize adjusting to solve the inside pressure increase of governing valve, bring the difficulty for the regulation, lead to being difficult to transfer into its problem of little flow.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a composite cage cover shaft plug high-pressure-difference small-flow regulating valve comprises a valve cover and a valve body, wherein the valve body is arranged on one side of the valve cover, a third bolt is arranged on one side of the valve cover and penetrates through the valve cover and the valve body and is in threaded connection with the valve cover and the valve body, a nut is arranged on the outer side of the third bolt and is in threaded connection with the third bolt, a throttling cage cover is arranged inside the valve body, a valve seat is arranged on one side of the throttling cage cover, and an adjusting mechanism is arranged inside the valve body;
the adjusting mechanism comprises an adjusting valve core, the adjusting valve core is arranged inside the valve body, the adjusting valve core penetrates through the valve cover and the valve body and extends out of the valve cover, two sides of the adjusting valve core are respectively provided with a labyrinth flat square, the bottom of the adjusting valve core is fixedly provided with a conical shaft plug, and the conical shaft plug is in contact with the valve seat.
Preferably, a first water outlet hole is formed in one side of the valve body, and a second water outlet hole is formed in the other side of the valve body.
Preferably, a spool nut is arranged on one side of the valve cover and is in threaded connection with the valve cover, the spool nut is arranged on the outer side of the adjusting spool, a first bolt is arranged on one side of the valve cover, and the valve cover is in threaded connection with the first bolt.
Preferably, a plurality of adjusting holes are formed in the outer side of the throttling cage, and a first throttling channel is formed between the throttling cage and the adjusting valve core.
Preferably, a second throttling channel, a third throttling channel and a fourth throttling channel are respectively arranged between the valve seat and the regulating valve core.
Preferably, an adjusting plate is arranged on one side of the adjusting valve core, a supporting plate is arranged at one end of the adjusting plate, and a second bolt is in threaded connection with one side of the supporting plate.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a flow cage cover aperture on the annular face, change the restriction area through promoting the regulation case and realize the throttle regulation, it has the maze flat side to process on the case to readjust, there is the conical shaft stopper at last position, realize the second grade through the promotion of governing valve core in the disk seat hole and adjust, and the maze flat side through processing realizes the step-down in two disorderly hybrid chambers of inside formation of disk seat, the toper shaft stopper of rethread last position realizes the low discharge throttle and adjusts, the governing valve core rebound, the restriction cage cover, the disk seat is motionless, along with the removal of governing valve core, one-level throttle passageway, the second grade throttle passageway, the change of tertiary throttle passageway and level four throttle passageway realizes high pressure differential's regulation.
Drawings
Fig. 1 is a cross-sectional view provided by the present invention;
FIG. 2 is a cross-sectional view of the throttle cage provided by the present invention;
fig. 3 is a front view of the regulating valve core provided by the present invention;
fig. 4 is a side view of the regulating valve core provided by the present invention;
fig. 5 is a sectional view of the adjusting mechanism provided by the present invention.
In the figure: the valve comprises a valve cover 1, a valve body 2, a throttling cage 3, a valve seat 4, an adjusting valve core 5, a first water outlet hole 6, a second water outlet hole 7, a valve core nut 8, a first bolt 9, a second bolt 10, a nut 11, a third bolt 12, an adjusting plate 13, a supporting plate 14, an adjusting hole 15, a flat labyrinth 16, a conical shaft plug 17, a first throttling channel 18, a second throttling channel 19, a third throttling channel 20 and a fourth throttling channel 21.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
the adjusting mechanism comprises an adjusting valve core 5, the adjusting valve core 5 is arranged inside a valve body 2, the adjusting valve core 5 penetrates through a valve cover 1 and the valve body 2 and extends out of the valve cover 1, labyrinth flat sides 16 are arranged on two sides of the adjusting valve core 5 respectively, a conical shaft plug 17 is fixedly arranged at the bottom of the adjusting valve core 5, the conical shaft plug 17 is in contact with a valve seat 4, the valve cover 1 has a sealing effect, two turbulent mixing cavities are formed inside the valve seat 4 through the labyrinth flat sides 16 to achieve pressure reduction, and the conical shaft plug 17 achieves small-flow throttling adjustment.
Further, a first water outlet hole 6 is formed in one side of the valve body 2, a second water outlet hole 7 is formed in the other side of the valve body 2, and the first water outlet hole 6 and the second water outlet hole 7 have a water outlet function.
Further, a spool nut 8 is arranged on one side of the valve cover 1, the spool nut 8 is in threaded connection with the valve cover 1, the spool nut 8 is arranged on the outer side of the adjusting spool 5, a first bolt 9 is arranged on one side of the valve cover 1, the valve cover 1 is in threaded connection with the first bolt 9, and the spool nut 8 has a sealing effect.
Furthermore, a plurality of adjusting holes 15 are formed in the outer side of the throttling cage 3, a first throttling channel 18 is formed between the throttling cage 3 and the adjusting valve core 5, the throttling area can be changed by combining the throttling cage 3 with the adjusting holes 15, throttling adjustment is achieved, and the first throttling channel 18 has a throttling function.
Further, a second throttling channel 19, a third throttling channel 20 and a fourth throttling channel 21 are respectively arranged between the valve seat 4 and the regulating valve core 5, and the second throttling channel 19, the third throttling channel 20 and the fourth throttling channel 21 have a throttling function.
Furthermore, an adjusting plate 13 is arranged on one side of the adjusting valve core 5, a supporting plate 14 is arranged at one end of the adjusting plate 13, and a second bolt 10 is connected to one side of the supporting plate 14 in a threaded manner.
The implementation scenario is specifically as follows: when the utility model is used, the valve cover 1 and the valve body 2 are fixed through the nut 11 and the third bolt 12, the adjusting valve core 5 is fixed through the valve core nut 8, the adjusting valve core 5 is driven to rotate or lift through the adjusting plate 13 when in use, the throttling cage 3 in the valve body 2 is provided with the adjusting hole 15 on the annular surface, the throttling adjustment is realized by lifting the adjusting valve core 5 to change the throttling area, the labyrinth flat square 16 is processed by staggering 180 degrees in the adjusting valve core 5 in the valve body 2, the conical shaft plug 17 is arranged at the final position, the secondary adjustment is realized by lifting the adjusting valve core 5 in the hole of the valve seat 4, two turbulent mixing cavities are formed in the valve seat 4 through the labyrinth flat 16 processed by staggering 180 degrees to realize pressure reduction, the small-flow throttling adjustment is realized through the conical shaft plug 17 at the final position, the adjusting valve core 5 moves upwards, the throttling cage 3 and the valve seat 4 does not move, along with the movement of the adjusting valve core 5, the high pressure difference is adjusted by the change of the first-stage throttling channel 18, the second-stage throttling channel 19, the third-stage throttling channel 20 and the fourth-stage throttling channel 21, and the small flow is adjusted by the joint and the disengagement of the adjusting valve core 5 and the conical surface of the valve seat 4.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. The utility model provides a little flow control valve of compound cage cover axle stopper high pressure difference, includes valve gap (1) and valve body (2), its characterized in that: the valve body (2) is arranged on one side of the valve cover (1), a third bolt (12) is arranged on one side of the valve cover (1), the third bolt (12) penetrates through the valve cover (1) and the valve body (2) and is in threaded connection with the valve cover (1) and the valve body (2), a nut (11) is arranged on the outer side of the third bolt (12), the nut (11) is in threaded connection with the third bolt (12), a throttling cage (3) is arranged inside the valve body (2), a valve seat (4) is arranged on one side of the throttling cage (3), and an adjusting mechanism is arranged inside the valve body (2);
the adjusting mechanism comprises an adjusting valve core (5), the adjusting valve core (5) is arranged inside the valve body (2), the adjusting valve core (5) penetrates through the valve cover (1) and the valve body (2) and extends out of the valve cover (1), two sides of the adjusting valve core (5) are respectively provided with a labyrinth flat square (16), the bottom of the adjusting valve core (5) is fixedly provided with a conical shaft plug (17), and the conical shaft plug (17) is in contact with the valve seat (4).
2. The composite cage shaft plug high pressure difference small flow regulating valve as claimed in claim 1, wherein: a first water outlet hole (6) is formed in one side of the valve body (2), and a second water outlet hole (7) is formed in the other side of the valve body (2).
3. The composite cage shaft plug high pressure difference small flow regulating valve as claimed in claim 1, wherein: the valve core nut (8) is arranged on one side of the valve cover (1), the valve core nut (8) is in threaded connection with the valve cover (1), the valve core nut (8) is arranged on the outer side of the adjusting valve core (5), a first bolt (9) is arranged on one side of the valve cover (1), and the valve cover (1) is in threaded connection with the first bolt (9).
4. The composite cage shaft plug high pressure difference small flow regulating valve as claimed in claim 1, wherein: a plurality of adjusting holes (15) are formed in the outer side of the throttling cage cover (3), and a first throttling channel (18) is arranged between the throttling cage cover (3) and the adjusting valve core (5).
5. The composite cage shaft plug high pressure difference small flow regulating valve as claimed in claim 1, wherein: and a second throttling channel (19), a third throttling channel (20) and a fourth throttling channel (21) are respectively arranged between the valve seat (4) and the regulating valve core (5).
6. The composite cage shaft plug high pressure difference small flow regulating valve as claimed in claim 1, wherein: an adjusting plate (13) is arranged on one side of the adjusting valve core (5), a supporting plate (14) is arranged at one end of the adjusting plate (13), and a second bolt (10) is in threaded connection with one side of the supporting plate (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022005306.XU CN213711892U (en) | 2020-09-15 | 2020-09-15 | Composite cage cover shaft plug high-pressure-difference small-flow regulating valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022005306.XU CN213711892U (en) | 2020-09-15 | 2020-09-15 | Composite cage cover shaft plug high-pressure-difference small-flow regulating valve |
Publications (1)
Publication Number | Publication Date |
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CN213711892U true CN213711892U (en) | 2021-07-16 |
Family
ID=76793507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022005306.XU Active CN213711892U (en) | 2020-09-15 | 2020-09-15 | Composite cage cover shaft plug high-pressure-difference small-flow regulating valve |
Country Status (1)
Country | Link |
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CN (1) | CN213711892U (en) |
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2020
- 2020-09-15 CN CN202022005306.XU patent/CN213711892U/en active Active
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