CN213145564U - Energy-saving slurry valve rod device with replaceable valve core - Google Patents
Energy-saving slurry valve rod device with replaceable valve core Download PDFInfo
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- CN213145564U CN213145564U CN202021691485.0U CN202021691485U CN213145564U CN 213145564 U CN213145564 U CN 213145564U CN 202021691485 U CN202021691485 U CN 202021691485U CN 213145564 U CN213145564 U CN 213145564U
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Abstract
The utility model discloses an energy-saving slurry valve rod device with a replaceable valve core, which comprises a valve rod and a detachable valve core, wherein the detachable valve core is connected on the valve rod by screw thread, the outside of the detachable valve core is coated with a layer of protective sleeve, the detachable valve core is provided with a bolt hole, and the protective sleeve is also provided with a hole corresponding to the bolt hole; the lower part of the valve rod is provided with a spring pin which is inserted in the pin hole; a first sealing ring and a positioning ring are additionally arranged at the lower part of the valve rod, the first sealing ring is positioned above the detachable valve core, the positioning ring is positioned above the first sealing ring, an external thread is arranged at the upper part of the valve rod, and a second sealing ring is arranged below the external thread; the top end of the valve rod is provided with a dustproof plug. The utility model discloses simple structure, low in production cost, be convenient for maintain and change the case, and the utility model discloses a seal is good, and corrosion resisting capability is high, and is not fragile, long service life.
Description
Technical Field
The utility model relates to a valve rod device especially relates to an energy-conserving ground paste valve rod device of interchangeable case.
Background
The valve rod is an important part of the valve and is used for transmission, an actuating mechanism or a handle is connected to the valve rod, and the valve rod directly drives the valve core to move or rotate below the actuating mechanism or the handle so as to realize the opening and closing or adjusting function of the valve. At present, the valve rod and the valve core of most slurry valves are designed in an integrated mode, the valve core is guaranteed not to fall off under the condition of high load, the valve core is inconvenient to replace, the valve rod and the valve rod need to be replaced together, the replacement process is complex, and the replacement cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an energy-saving slurry valve rod device with a replaceable valve core.
In order to solve the technical problem, the utility model discloses a technical scheme is: a valve rod device of an energy-saving slurry valve with a replaceable valve core comprises a valve rod and a detachable valve core, wherein the detachable valve core is in threaded connection with the valve rod, a layer of protective sleeve is coated outside the detachable valve core, a bolt hole is formed in the detachable valve core, and a hole corresponding to the bolt hole is also formed in the protective sleeve; the lower part of the valve rod is provided with a spring pin which is inserted in the pin hole; a first sealing ring and a positioning ring are additionally arranged at the lower part of the valve rod;
the upper part of the valve rod is provided with external threads, and a second sealing ring is arranged below the external threads; the top end of the valve rod is provided with a dustproof plug.
Furthermore, the detachable valve core comprises a valve core main body and a valve core fixing part, the upper part of the valve core main body is in a necking shape, internal threads are arranged inside the valve core fixing part, and the valve core fixing part is connected with the lower part of the valve rod through threads.
Further, the plug pin hole is formed in the side surface of the valve element fixing portion.
Further, the internal thread is located below the pin hole.
Further, the spring pin includes a pin portion inserted in the pin insertion hole and a pin fixing portion fixed in the valve stem.
Further, the pin portion includes two pin portions, and the two pin portions are symmetrical with respect to the pin fixing portion.
Furthermore, a first sealing ring is positioned above the detachable valve core, and the diameter of the first sealing ring corresponds to that of the valve core fixing part.
Further, the position circle is located the top of a sealing washer.
Further, the valve rod, the first sealing ring and the positioning ring are plated with chromium layers.
The utility model discloses simple structure, low in production cost, be convenient for maintain and change the case, and the utility model discloses a seal is good, and corrosion resisting capability is high, and is not fragile, long service life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a removable cartridge.
In the figure: 1. a valve stem; 2. a removable valve core; 3. a spring pin; 4. a pin hole; 5. a protective sleeve; 6. an external thread; 7. a first sealing ring; 8. a second sealing ring; 9. a dust plug; 10. positioning rings; 21. a valve core main body; 22. a valve element fixing part; 31. a pin portion; 32. a pin fixing part.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 shows an energy-saving slurry valve rod device with a replaceable valve core, which comprises a valve rod 1 and a detachable valve core 2, wherein the detachable valve core 2 is in threaded connection with the valve rod 1, a layer of protective sleeve 5 is coated outside the detachable valve core 2, the protective sleeve 5 is used for protecting the detachable valve core 2 from being corroded, a bolt hole 4 is formed in the detachable valve core 2, and a hole corresponding to the bolt hole 4 is also formed in the protective sleeve 5; the lower part of the valve rod 1 is provided with a spring pin 3, the spring pin 3 is inserted into a pin hole 4, and the spring pin 3 ensures that the valve rod 1 and the detachable valve core 2 are fixed more stably; the lower part of the valve rod 1 is additionally provided with a first sealing ring 7 and a positioning ring 10, the first sealing ring 7 is positioned above the detachable valve core 2, the first sealing ring 7 enables the joint of the valve rod 1 and the detachable valve core 2 to be sealed so as to prevent the interior of the detachable valve core 2 from being corroded, the positioning ring 10 is positioned above the first sealing ring, the positioning ring 10 is used for fixing the position of the detachable valve core 2, and chromium layers are plated on the valve rod 1, the first sealing ring 7 and the positioning ring 10, so that the corrosion resistance of the valve is improved;
the upper part of the valve rod 1 is provided with an external thread 6, the external thread 6 is connected with a slurry valve body, a second sealing ring 8 is arranged below the external thread 6, and the second sealing ring 8 is used for sealing the connection part of the external thread 6 and the slurry valve body; the top end of the valve rod 1 is provided with a dustproof plug 9.
As shown in fig. 2, the removable valve element 2 includes a valve element main body 21 and a valve element fixing portion 22, the upper portion of the valve element main body 21 is in a reduced mouth shape, the reduced mouth shape makes the connection between the removable valve element 2 and the valve rod 1 more stable, an internal thread is arranged inside the valve element fixing portion 22, the valve element fixing portion 22 is in threaded connection with the lower portion of the valve rod 1, and the diameter of the valve element fixing portion 22 corresponds to the diameter of the first sealing ring 7; the bolt hole 4 is arranged on the side surface of the valve core fixing part 22, and the internal thread is positioned below the bolt 4; the spring pin 3 includes two pin portions 31 and two pin fixing portions 32, the two pin portions 31 are symmetrical with respect to the pin fixing portions 32, the pin portions 31 are inserted into the pin insertion holes 4, and the pin fixing portions 32 are fixed in the valve stem 1.
When the detachable valve core 2 is detached, one hand is used for pressing the spring pin 3 to retract the pin part 31, and at the moment, the other hand is used for screwing the detachable valve core 2 to detach the detachable valve core 2; when the detachable valve core 2 is installed, the detachable valve core 2 is screwed on the valve rod 1 through threads, when the detachable valve core 2 reaches the position of the positioning ring 10, the spring pin 3 is just inserted into the plug pin hole 4 on the side surface of the detachable valve core 2 under the action of spring elasticity, and the detachable valve core 2 is installed at the moment.
The utility model has the advantages of simple structure and low production cost, the design of removable case makes the utility model discloses be convenient for more maintain and change the case, and step simple and convenient when changing the case, easily operation, the design of sealing washer makes the utility model discloses an leakproofness is good, and the case is inside to be difficult for being eroded and damaged, and the utility model discloses a corrosion resistance is high, and long service life has reduced use cost.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides an energy-conserving ground paste valve stem device of interchangeable case, includes valve rod (1), its characterized in that: the valve rod (1) is in threaded connection with the detachable valve core (2), a layer of protective sleeve (5) wraps the detachable valve core (2), a bolt hole (4) is formed in the detachable valve core (2), and a hole corresponding to the bolt hole (4) is formed in the protective sleeve (5) in the same way; the lower part of the valve rod (1) is provided with a spring pin (3), and the spring pin (3) is inserted into the bolt hole (4); a first sealing ring (7) and a positioning ring (10) are additionally arranged at the lower part of the valve rod (1);
an external thread (6) is arranged at the upper part of the valve rod (1), and a second sealing ring (8) is arranged below the external thread (6); the top end of the valve rod (1) is provided with a dustproof plug (9).
2. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 1, wherein: the detachable valve core (2) comprises a valve core main body (21) and a valve core fixing part (22), the upper part of the valve core main body (21) is in a necking shape, internal threads are arranged inside the valve core fixing part (22), and the valve core fixing part (22) is connected with the lower part of the valve rod (1) through threads.
3. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 2, wherein: the bolt hole (4) is formed in the side face of the valve core fixing portion (22).
4. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 2, wherein: the internal thread is positioned below the bolt hole (4).
5. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 1, wherein: the spring pin (3) comprises a pin part (31) and a pin fixing part (32), the pin part (31) is inserted into the pin inserting hole (4), and the pin fixing part (32) is fixed in the valve rod (1).
6. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 5, wherein: the pin portion (31) includes two pin portions, and the two pin portions are symmetrical with respect to the pin fixing portion (32).
7. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 2, wherein: the first sealing ring (7) is positioned above the detachable valve core (2), and the diameter of the first sealing ring (7) corresponds to that of the valve core fixing part (22).
8. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 1, wherein: the positioning ring (10) is positioned above the first sealing ring (7).
9. The valve stem assembly of an energy-saving slurry valve with a replaceable valve core as claimed in claim 1, wherein: the valve rod (1), the first sealing ring (7) and the positioning ring (10) are plated with chromium layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021691485.0U CN213145564U (en) | 2020-08-13 | 2020-08-13 | Energy-saving slurry valve rod device with replaceable valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021691485.0U CN213145564U (en) | 2020-08-13 | 2020-08-13 | Energy-saving slurry valve rod device with replaceable valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145564U true CN213145564U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021691485.0U Active CN213145564U (en) | 2020-08-13 | 2020-08-13 | Energy-saving slurry valve rod device with replaceable valve core |
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| CN (1) | CN213145564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658918A (en) * | 2022-04-06 | 2022-06-24 | 济南新材料产业技术研究院 | Corrugated pipe filling valve structure |
-
2020
- 2020-08-13 CN CN202021691485.0U patent/CN213145564U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658918A (en) * | 2022-04-06 | 2022-06-24 | 济南新材料产业技术研究院 | Corrugated pipe filling valve structure |
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