CN211976081U - Adjustable throttle valve - Google Patents
Adjustable throttle valve Download PDFInfo
- Publication number
- CN211976081U CN211976081U CN202020013155.XU CN202020013155U CN211976081U CN 211976081 U CN211976081 U CN 211976081U CN 202020013155 U CN202020013155 U CN 202020013155U CN 211976081 U CN211976081 U CN 211976081U
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- Prior art keywords
- hole
- valve
- adjusting
- scale ring
- handle
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- Expired - Fee Related
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Abstract
The utility model provides an adjustable throttle valve, which comprises a valve body, a valve sleeve, a valve rod, a handle, a scale ring and a fixed part; the valve body is provided with a first surface and a second surface which are opposite, an accommodating cavity is arranged in the valve body, an installation hole is formed in the first surface of the accommodating cavity, the valve sleeve is provided with an adjusting through hole, and the valve sleeve is detachably connected in the installation hole so as to be communicated with the accommodating cavity; the outer surface of the valve sleeve is provided with a limiting boss, the scale ring is sleeved on the valve sleeve and is abutted against the limiting boss, the scale ring and the valve sleeve are in clearance fit, and the fixing part is fixedly connected on the valve sleeve and clamps the scale ring together with the valve body so as to fix the scale ring on the valve sleeve. The utility model has the advantages of reasonable in design, simple structure can avoid the scale ring displacement to appear on the valve barrel, has guaranteed measuring accuracy nature, can also reduce the degree of difficulty of the installation of scale ring simultaneously.
Description
Technical Field
The utility model relates to the technical field of hydraulic pressure, in particular to adjustable throttle valve.
Background
With the continuous progress of scientific technology and the increasing productivity level, the application of hydraulic technology in industrial production and daily life of people is more and more extensive.
The adjustable throttle valve is an important part in a hydraulic system, the adjustable throttle valve mostly adopts the size of detecting the flow through the movement amount of the scale ring measuring handle for detecting the regulating variable, the installation of the scale ring is generally adopted to be sleeved on the valve sleeve by the scale ring, and the firmness of the installation of the scale ring is ensured through the interference fit between the scale ring and the valve sleeve, so that the installation of the scale ring is difficult, and although the scale ring and the valve sleeve are in interference fit, the adjustable throttle valve can be used for a long time or influenced by external force, the scale ring is easy to displace on the valve sleeve, and further the image measuring precision is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reasonable in design, simple structure's adjustable throttle valve can avoid the scale ring displacement to appear on the valve barrel, has guaranteed measuring accuracy nature, can also reduce the degree of difficulty of the installation of scale ring simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme:
an adjustable throttle valve comprises a valve body, a valve sleeve, a valve rod, a handle, a scale ring and a fixing part;
the valve body is provided with a first surface and a second surface which are opposite, an accommodating cavity is arranged in the valve body, a mounting hole is formed in the first surface of the accommodating cavity, a liquid inlet hole with an axis which is overlapped with the mounting hole and communicated with the accommodating cavity is formed in the second surface, and a liquid outlet hole with an axis which is parallel to the second surface is formed in the side wall of the accommodating cavity;
the valve sleeve is provided with an adjusting through hole, the valve sleeve is detachably connected in the mounting hole, the adjusting through hole is communicated with the accommodating cavity, and the axis of the adjusting through hole is superposed with the axis of the mounting hole; the two ends of the valve rod are respectively an adjusting end and a connecting end, the valve rod penetrates through the adjusting through hole and the accommodating cavity, so that the adjusting end extends into the liquid inlet hole to block the liquid inlet hole, an adjusting groove is arranged on the surface of the adjusting end, a gap is formed between the adjusting groove and the wall of the liquid inlet hole, and external circulation can enter the accommodating cavity through the gap and is discharged out of the valve body through the liquid outlet hole;
the adjusting groove is in a V shape gradually reduced towards the connecting end, and the handle is connected to the connecting end and used for driving the adjusting end to do linear motion along the axial direction of the liquid inlet hole through the valve rod so as to change the cross-sectional area of a gap formed between the adjusting groove and the hole wall of the liquid inlet hole;
the valve sleeve is characterized in that a limiting boss is arranged on the outer surface of the valve sleeve, the scale ring is sleeved on the valve sleeve and abutted against the limiting boss, the scale ring and the valve sleeve are in clearance fit, the fixing part is fixedly connected to the valve sleeve and clamped with the valve body together to fix the scale ring on the valve sleeve, the handle is provided with a measuring end, the measuring end corresponds to the scale ring, and the scale ring can detect the displacement of the adjusting end through measuring the position of the measuring end.
Preferably, an internal thread is arranged on the inner wall of the adjusting through hole, an external thread matched with the internal thread is arranged at a position on the valve rod corresponding to the internal thread, so that the valve rod is in threaded connection in the adjusting hole, and the valve rod is driven by the handle to be screwed in or out in the adjusting through hole so as to drive the adjusting end to do linear motion along the axis direction of the liquid inlet hole.
Preferably, the valve sleeve is threadedly connected within the mounting bore.
Preferably, the device further comprises a sealing component;
the sealing member is disposed between the valve rod and an inner wall of the regulating through-hole to seal a gap between the valve rod and the inner wall of the regulating through-hole.
Preferably, the handle is a hollow cylinder, one end of the cylinder is the measuring end, and the handle is sleeved on the scale ring, so that the measuring end corresponds to the scale ring.
Preferably, the device further comprises a connecting pin;
the handle is a hollow cylindrical body, the connecting end of the valve rod can be extended out of the adjusting through hole and is not arranged in the handle, a first connecting hole is formed in the connecting end, a second connecting hole is formed in the side wall of the handle, and the connecting pin can penetrate through the first connecting hole and the second connecting hole so as to fixedly connect the handle to the connecting end.
Preferably, the fixed part is an annular body and is sleeved on the valve sleeve.
Preferably, the device further comprises a connecting screw;
the valve sleeve is provided with a screw hole, the fixing part is provided with a through hole corresponding to the screw hole, and the connecting screw penetrates through the through hole and is in threaded connection with the inside of the screw hole so as to fix the fixing part on the valve sleeve.
The utility model discloses an adjustable throttle valve, through adopting spacing boss has on the surface of valve barrel, the scale ring overlaps to be established on the valve barrel, and the butt is in on the spacing boss, the scale ring with be clearance fit between the valve barrel, fixed part fixed connection be in on the valve barrel, and with the common centre gripping of valve body the scale ring, with will the scale ring is fixed technical scheme on the valve barrel, not only reasonable in design, simple structure can avoid the scale ring to appear the displacement on the valve barrel moreover, has guaranteed measuring accuracy nature, can also reduce the degree of difficulty of the installation work of scale ring simultaneously.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the adjustable throttle valve of the present invention.
Wherein: 1. a valve body; 11. a first surface; 12. a second surface; 13. an accommodating chamber; 14. mounting holes; 15. a liquid inlet hole; 16. a liquid outlet hole; 2. a valve housing; 21. adjusting the through hole; 22. a limiting boss; 3. a valve stem; 31. an adjustment end; 32. a connecting end; 33. an adjustment groove; 34. a first connection hole; 4. a handle; 41. a measuring end; 42. a second connection hole; 5. a scale ring; 6. a fixing member; 7. a sealing member; 8. and connecting pins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain the mobile working chair of the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the adjustable throttle valve comprises a valve body 1, a valve sleeve 2, a valve rod 3, a handle 4, a scale ring 5 and a fixing part 6. The valve body 1 is provided with a first surface 11 and a second surface 12 which are opposite, an accommodating cavity 13 is arranged inside the valve body 1, the accommodating cavity 13 forms a mounting hole 14 on the first surface 11, a liquid inlet hole 15 is arranged on the second surface 12, the axis of the liquid inlet hole coincides with the mounting hole 14 and is communicated with the accommodating cavity 13, and a liquid outlet hole 16 is arranged on the side wall of the accommodating cavity 13, and the axis of the liquid outlet hole is parallel to the second surface 12.
The valve housing 2 has an adjusting through hole 21, and the valve housing 2 is detachably connected in the mounting hole 14, so that the adjusting through hole 21 is communicated with the accommodating cavity 13, specifically, but not limited thereto, the valve housing 2 is screwed in the mounting hole 14, and any manner that the valve housing 2 can be detachably connected in the mounting hole 14 may be adopted. The axis of the adjusting through hole 21 coincides with the axis of the mounting hole 14; the both ends of valve rod 3 are regulation end 31 and link 32 respectively, and valve rod 3 passes regulation through-hole 21 and holds chamber 13, makes regulation end 31 stretch into in the feed liquor hole 15 with shutoff feed liquor hole 15, and the regulation end 31 is provided with adjustment tank 33 on the surface, forms the space between the pore wall of adjustment tank 33 and feed liquor hole 15, and outside circulation can be through this space entering hold chamber 13 to discharge outside valve body 1 through play liquid hole 16. The shape of the adjusting groove 33 is a V shape gradually reduced towards the connecting end 32, and the handle 4 is connected to the connecting end 32 to drive the adjusting end 31 to make linear motion along the axial direction of the liquid inlet hole 15 through the valve rod 3 so as to change the cross-sectional area of a gap formed between the adjusting groove 33 and the hole wall of the liquid inlet hole 15. The working principle is that external fluid enters the accommodating cavity 13 through a gap formed between the regulating groove 33 and the hole wall of the liquid inlet hole 15 and then is discharged out of the valve body 1 through the liquid outlet hole 16, and the flow of the fluid entering the accommodating cavity 13 is regulated by changing the cross-sectional area of the gap formed between the regulating groove 33 and the hole wall of the liquid inlet hole 15 in the flowing process of the fluid, so that the discharge amount of the fluid from the liquid outlet hole 16 is regulated.
The outer surface of the valve sleeve 2 is provided with a limiting boss 22, the scale ring 5 is sleeved on the valve sleeve 2 and abuts against the limiting boss 22, the fixing part 6 is fixedly connected to the valve sleeve 2 and clamps the scale ring 5 together with the limiting boss 2 so as to fix the scale ring 5 on the valve sleeve 2, the handle 4 is provided with a measuring end 41, the measuring end 41 corresponds to the scale ring 5, and the scale ring 5 can detect the displacement of the adjusting end 31 by measuring the position of the measuring end 41. In actual manufacture, the scale ring 5 and the valve sleeve 2 can be in clearance fit, so that the scale ring 5 can be conveniently sleeved on the valve sleeve 2, and the installation difficulty of the scale ring 5 is reduced. Through adopting fixed part 6 fixed connection on valve barrel 2 to can avoid scale ring 5 to appear the displacement for valve barrel 2 on valve barrel 2 with the common technical scheme of centre gripping scale ring 5 of valve body 1, and then guaranteed the accuracy nature of measuring.
Specifically, an internal thread (not shown) is arranged on the inner wall of the adjusting through hole 21, an external thread (not shown) matched with the internal thread is arranged at a position, corresponding to the internal thread, on the valve rod 3, so that the valve rod 3 is in threaded connection with the adjusting hole, the valve rod 3 is driven by the handle 4 to be screwed in or out in the adjusting through hole 21, and the adjusting end 31 is driven to do linear motion along the axial direction of the liquid inlet hole 15. Thus, the operator can regulate the discharge of the fluid from the liquid outlet hole 16 only by driving the valve rod 3 to rotate through the handle 4.
In practical manufacturing, as shown in fig. 1, the handle 4 is a hollow cylinder, one end of the cylinder is a measuring end 41, and the handle 4 is sleeved on the scale ring 5, so that the measuring end 41 corresponds to the scale ring 5. The specific connection mode of the handle 4 and the connection end can be as shown in fig. 1, and further includes a connection pin adjustable throttle valve, the connection end 32 of the valve rod 3 can extend out of the adjustment through hole 21 and does not extend into the handle 4, a first connection hole 34 is formed in the connection end 32, a second connection hole 42 is formed in the side wall of the handle 4, and the connection pin 8 can pass through the first connection hole 34 and the second connection hole 42 to fixedly connect the handle 4 to the connection end 32. This facilitates the connection of the handle 4 to the connecting end 32
More preferably, as shown in fig. 1, a sealing member 7 is further included, the sealing member 7 being disposed between the valve stem 3 and the inner wall of the regulating through-hole 21 to seal a gap between the valve stem 3 and the inner wall of the regulating through-hole 21 to prevent fluid from seeping out through the regulating through-hole 21.
As an alternative, the fixing element 6 is an annular body and is arranged on the valve housing 2. Thus, the abutting area between the fixing part and the scale ring 5 can be increased, and the fixing part 6 and the limiting boss 22 can clamp the scale ring more stably. The connection between the fixing member 6 and the valve housing 2 may be as shown in fig. 1, and further comprise a connection screw (not shown), the valve housing 2 being provided with a screw hole (not shown), the fixing member 6 being provided with a through hole (not shown) corresponding to the screw hole, the connection screw passing through the through hole and being screwed into the screw hole for fixing the fixing member 6 to the valve housing 2. This facilitates the removal or mounting of the fixed part and thus facilitates the mounting or removal of the scale ring 5.
Through adopting above technical scheme, make the utility model has the advantages of reasonable in design, simple structure can avoid the scale ring displacement to appear on the valve barrel, have guaranteed measuring accuracy nature, can also reduce the degree of difficulty of the installation of scale ring simultaneously.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. An adjustable throttle valve characterized in that:
comprises a valve body, a valve sleeve, a valve rod, a handle, a scale ring and a fixed part;
the valve body is provided with a first surface and a second surface which are opposite, an accommodating cavity is arranged in the valve body, a mounting hole is formed in the first surface of the accommodating cavity, a liquid inlet hole with an axis which is overlapped with the mounting hole and communicated with the accommodating cavity is formed in the second surface, and a liquid outlet hole with an axis which is parallel to the second surface is formed in the side wall of the accommodating cavity;
the valve sleeve is provided with an adjusting through hole, the valve sleeve is detachably connected in the mounting hole, the adjusting through hole is communicated with the accommodating cavity, and the axis of the adjusting through hole is superposed with the axis of the mounting hole; the two ends of the valve rod are respectively an adjusting end and a connecting end, the valve rod penetrates through the adjusting through hole and the accommodating cavity, so that the adjusting end extends into the liquid inlet hole to block the liquid inlet hole, an adjusting groove is arranged on the surface of the adjusting end, a gap is formed between the adjusting groove and the wall of the liquid inlet hole, and external circulation can enter the accommodating cavity through the gap and is discharged out of the valve body through the liquid outlet hole;
the adjusting groove is in a V shape gradually reduced towards the connecting end, and the handle is connected to the connecting end and used for driving the adjusting end to do linear motion along the axial direction of the liquid inlet hole through the valve rod so as to change the cross-sectional area of a gap formed between the adjusting groove and the hole wall of the liquid inlet hole;
the outer surface of the valve sleeve is provided with a limiting boss, the scale ring is sleeved on the valve sleeve and is abutted against the limiting boss, the scale ring and the valve sleeve are in clearance fit, the fixing part is fixedly connected to the valve sleeve and is clamped with the limiting boss together to fix the scale ring on the valve sleeve, the handle is provided with a measuring end, the measuring end corresponds to the scale ring, and the scale ring can detect the displacement of the adjusting end through measuring the position of the measuring end.
2. The adjustable throttle valve of claim 1 wherein:
the inner wall of the adjusting through hole is provided with an internal thread, the position on the valve rod corresponding to the internal thread is provided with an external thread matched with the internal thread, so that the valve rod is in threaded connection in the adjusting through hole, the valve rod is driven by the handle to be screwed in or out in the adjusting through hole, and the adjusting end is driven to move linearly along the axis direction of the liquid inlet hole.
3. The adjustable throttle valve of claim 1 wherein:
the valve sleeve is in threaded connection with the mounting hole.
4. The adjustable throttle valve of claim 1 wherein:
also includes a sealing member;
the sealing member is disposed between the valve rod and an inner wall of the regulating through-hole to seal a gap between the valve rod and the inner wall of the regulating through-hole.
5. The adjustable throttle valve of claim 1 wherein:
the handle is a hollow cylinder, one end of the cylinder is the measuring end, and the handle is sleeved on the scale ring, so that the measuring end corresponds to the scale ring.
6. The adjustable throttle valve of claim 1 wherein:
the connecting pin is also included;
the handle is a hollow cylindrical body, the connecting end of the valve rod can be extended out of the adjusting through hole and is not arranged in the handle, a first connecting hole is formed in the connecting end, a second connecting hole is formed in the side wall of the handle, and the connecting pin can penetrate through the first connecting hole and the second connecting hole so as to fixedly connect the handle to the connecting end.
7. The adjustable throttle valve of any one of claims 1 to 6, wherein:
the fixed part is an annular body and is sleeved on the valve sleeve.
8. The adjustable throttle valve of claim 7 wherein:
the connecting screw is also included;
the valve sleeve is provided with a screw hole, the fixing part is provided with a through hole corresponding to the screw hole, and the connecting screw penetrates through the through hole and is in threaded connection with the inside of the screw hole so as to fix the fixing part on the valve sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020013155.XU CN211976081U (en) | 2020-01-03 | 2020-01-03 | Adjustable throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020013155.XU CN211976081U (en) | 2020-01-03 | 2020-01-03 | Adjustable throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211976081U true CN211976081U (en) | 2020-11-20 |
Family
ID=73386299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020013155.XU Expired - Fee Related CN211976081U (en) | 2020-01-03 | 2020-01-03 | Adjustable throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211976081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727827A (en) * | 2020-12-25 | 2021-04-30 | 中航工业南京伺服控制系统有限公司 | Slide valve steady state hydrodynamic force and valve port throttling coefficient measuring device |
-
2020
- 2020-01-03 CN CN202020013155.XU patent/CN211976081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727827A (en) * | 2020-12-25 | 2021-04-30 | 中航工业南京伺服控制系统有限公司 | Slide valve steady state hydrodynamic force and valve port throttling coefficient measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20220103 |