CN215059574U - Self sealss valve's internals structure - Google Patents
Self sealss valve's internals structure Download PDFInfo
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- CN215059574U CN215059574U CN202023295690.8U CN202023295690U CN215059574U CN 215059574 U CN215059574 U CN 215059574U CN 202023295690 U CN202023295690 U CN 202023295690U CN 215059574 U CN215059574 U CN 215059574U
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Abstract
The utility model relates to a self sealss valve's internals structure, self sealss valve includes case (4), valve body (6) and core package subassembly (5), the outside of case (4) is located in valve body (6), core package subassembly (5) are located between case (4) and valve body (6), the internals structure includes split ring (1), bolt (2) and clamping ring (3), clamping ring (3) are located between case (4) and valve body (6) and are equipped with screw hole (301) that supply bolt (2) to run through along self sealss valve's axial direction, the top of core package subassembly (5) and cooperate jointly to compress tightly core package subassembly (5) are all located in bolt (2) and clamping ring (3), split ring (1) are located the top of clamping ring (3) and are connected with valve body (6). Compared with the prior art, the utility model discloses material saving cost, the dismouting is simple, and difficult formation rust satisfies sealing performance, improves valve life, reduces the maintenance cost.
Description
Technical Field
The utility model belongs to the governing valve field, concretely relates to self sealss valve's internals structure.
Background
The self-sealing valve is suitable for high-pressure working conditions, is a main fluid control component in a steam-water system of thermal power generation, is used for adjusting the flow or pressure of a medium, and has higher requirements on the sealing performance and the dismounting performance of the valve. As shown in fig. 1 and 2, the internal parts of the existing self-sealing valves are mostly: the upper and lower tightening nuts are fixed with the valve body 6 through external threads and are provided with sealing rings. Under the condition of ensuring the sealing force, the sealed internal part structure needs large and thick upper and lower tightening nuts, so that the inner cavity in the valve body is enlarged, and time and material are consumed; in addition, the sealing ring is usually required to be forcibly pre-tightened by means of external force during assembly, so that a thread structure is easy to damage, and the deformation of the sealing ring is difficult to control; meanwhile, the assembly and disassembly can be carried out only by a special assembly and disassembly tool, and the assembly, disassembly, maintenance and maintenance processes are very complicated. In addition, the double-thread structure is washed away by steam and water for a long time, the threaded connection part is easy to deform, the upper and lower tightening nuts and the valve body are rusted, the sealing performance cannot be guaranteed, the disassembly is difficult, the service life of the valve is shortened, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self sealss valve's internals structure, but material saving cost, the dismouting is simple, is difficult for forming the rust, satisfies sealing performance, can improve valve life, reduces the maintenance cost.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a self sealss valve's internals structure, self sealss valve includes case, valve body and core package subassembly, the outside of case is located to the valve body, core package subassembly is located between case and the valve body, internals structure includes split ring, bolt and clamping ring, the clamping ring is located and is equipped with the screw hole that supplies the bolt to run through between case and the valve body and along the axial direction of self sealss valve, the top of core package subassembly and the cooperation compress tightly core package subassembly jointly are all located to bolt and clamping ring, the top of clamping ring is located to the split ring and is connected with the valve body. The split ring is obtained by dividing a circular ring into a plurality of parts, namely a plurality of split rings, which are mostly quartered, namely quartered rings.
Sunken groove No. one that is equipped with on the inside wall of valve body, split ring includes valve body end and clamping ring end, valve body end is arranged in a groove, the bottom and the clamping ring in close contact with of clamping ring end.
The valve body end and the pressure ring end have the same radial width, so that the same specific pressure on the inner side and the outer side of the split ring is ensured.
The top of clamp ring end is sunken to be equipped with No. two grooves, convenient to detach.
The bottom of clamp ring end inwards extends and is equipped with a boss, and a boss can support the screw rod that the bolt exposes outside the clamping ring, guarantees that the split ring can inwards squint too much, makes the specific pressure of the inside and outside both sides of split ring unequal.
The pressing ring end and the bolt are arranged in a clearance mode, and the bolt can enter the teeth conveniently.
Be the clearance setting between clamping ring and the case, be the clearance setting between clamping ring and the valve body, be the clearance setting between the bottom of clamping ring and the top of core package subassembly.
The outside downwardly extending of clamping ring is equipped with the boss No. two, the inside wall of boss No. two and the lateral wall in close contact with of core package subassembly, the inboard radial width of boss No. two equals the outside radial width of core package subassembly promptly for fix and fix a position.
The bolt comprises a nut and a screw rod, the nut is located above the compression ring and is opposite to the split ring, the screw rod is inserted into the threaded hole, and the bottom of the screw rod is in close contact with the core package component.
The axial length of the screw is greater than that of the pressure ring.
Compared with the prior art, the utility model has the advantages that the sizes of the required split ring and the pressure ring are greatly reduced under the condition of meeting the same sealing force, and the valve body is correspondingly reduced, so that the material cost is reduced; the disassembly and assembly are simple, and no external force or specially designed disassembly and assembly tools are needed; the common double-thread structure is abandoned, rust is not easily formed, the sealing performance is met, the service life of the valve is prolonged, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art valve;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a schematic structural diagram of a valve incorporating the present invention;
FIG. 4 is a partial enlarged view of the area B in FIG. 3;
fig. 5 is a structural diagram of the split ring being a quarter ring.
In the figure: 1-split ring; 101-valve body end; 102-a press ring end; 103-groove number two; 104-boss number one; 2-bolt; 201-screw cap; 202-screw rod; 3, pressing a ring; 301-threaded hole; 302-boss number two; 4-a valve core; 5-a core pack assembly; 6-valve body; 601-slot number one.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in FIG. 3, one kind includes the utility model discloses a self sealss valve of internals structure, self sealss valve include case 4, valve body 6 and core package subassembly 5, and case 4's the outside is located to valve body 6, and sunken being equipped with a groove 601 on valve body 6's the inside wall, and core package subassembly 5 is located between case 4 and the valve body 6, and the internals structure is located between case 4 and the valve body 6, and the structure of self sealss valve except that the internals structure all refers to current structure and sets up.
As shown in fig. 4, an internals structure of self sealss valve, including split ring 1, bolt 2 and clamping ring 3, clamping ring 3 is located and is equipped with the screw hole 301 that supplies bolt 2 to run through between case 4 and the valve body 6 and along the axial direction of self sealss valve, and bolt 2 and clamping ring 3 all locate the top of cartridge package subassembly 5 and cooperate jointly and compress tightly cartridge package subassembly 5, and split ring 1 locates the top of clamping ring 3 and is connected with valve body 6.
The split ring 1 comprises a valve body end 101 and a pressing ring end 102, the valve body end 101 is located in a first groove 601, the bottom of the pressing ring end 102 is in close contact with a pressing ring 3, the radial widths of the valve body end 101 and the pressing ring end 102 are consistent, a second groove 103 is concavely arranged on the top of the pressing ring end 102 (the second groove 103 is located in the middle of the pressing ring end 102), a first boss 104 extends inwards from the bottom of the pressing ring end 102, a gap is formed between a main body of the pressing ring end 102 and a bolt 2, the first boss 104 is close to a screw rod 202, namely the end of the first boss 104 exceeds the edge of a nut 201, the axial length of the first boss 104 is far smaller than that of the pressing ring end 102 and is also smaller than that of an outer portion of the screw rod 202 exposed on the top of the pressing ring 3, and the split ring 1 can adopt a quarter-ring structure as shown in fig. 5.
Be the clearance setting between clamping ring 3 and the case 4, be the clearance setting between clamping ring 3 and the valve body 6, the clearance between clamping ring 3 and the case 4 is greater than the clearance between clamping ring 3 and the valve body 6, be the clearance setting between the bottom of clamping ring 3 and the top of core package subassembly 5, the outside downwardly extending of clamping ring 3 is equipped with boss 302 No. two, the axial length of boss 302 No. two is greater than the clearance between clamping ring 3 bottom and the core package subassembly 5, make the inside wall of boss 302 No. two and the lateral wall in close contact with of core package subassembly 5, the radial width of boss 302 No. two is less than the radial width of clamping ring end 102, and be greater than the axial length of boss 104.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a self sealss valve's internals structure, self sealss valve includes case (4), valve body (6) and core package subassembly (5), the outside of case (4) is located in valve body (6), core package subassembly (5) are located between case (4) and valve body (6), a serial communication port, internals structure includes split ring (1), bolt (2) and clamping ring (3), clamping ring (3) are located between case (4) and valve body (6) and are equipped with screw hole (301) that supply bolt (2) to run through along the axial direction of self sealss valve, the top of core package subassembly (5) and cooperate jointly to compress tightly core package subassembly (5) are all located to bolt (2) and clamping ring (3), split ring (1) are located the top of clamping ring (3) and are connected with valve body (6).
2. The trim structure of a self-sealing valve according to claim 1, characterized in that the inner side wall of the valve body (6) is recessed with a groove (601), the split ring (1) comprises a valve body end (101) and a press ring end (102), the valve body end (101) is positioned in the groove (601), and the bottom of the press ring end (102) is in close contact with the press ring (3).
3. A self-sealing valve trim arrangement as claimed in claim 2, wherein the valve body end (101) and the pressure ring end (102) are of uniform radial width.
4. A trim arrangement for a self-sealing valve as claimed in claim 2, wherein the top recess of the crimp ring end (102) is provided with a groove No. two (103).
5. A trim arrangement for a self-sealing valve as claimed in claim 2, wherein the base of the crimp ring end (102) is provided with a boss (104) extending inwardly.
6. A trim arrangement for a self-sealing valve as claimed in claim 2, wherein the end (102) of the pressure ring is spaced from the bolt (2).
7. The trim structure of the self-sealing valve according to claim 1, wherein the pressure ring (3) and the valve core (4) are arranged in a gap, the pressure ring (3) and the valve body (6) are arranged in a gap, and the pressure ring (3) is arranged in a gap between the bottom of the pressure ring (3) and the top of the core pack assembly (5).
8. The trim structure of the self-sealing valve according to claim 1, wherein a second boss (302) extends downwards from the outer side of the press ring (3), and the inner side wall of the second boss (302) is in close contact with the outer side wall of the cartridge assembly (5).
9. The trim structure of the self-sealing valve according to claim 1, wherein the bolt (2) comprises a nut (201) and a screw (202), the nut (201) is located above the pressure ring (3) and faces the split ring (1), the screw (202) is inserted into the threaded hole (301), and the bottom of the screw (202) is in close contact with the cartridge assembly (5).
10. A trim arrangement for a self-sealing valve according to claim 9, characterised in that the axial length of the threaded rod (202) is greater than the axial length of the pressure ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295690.8U CN215059574U (en) | 2020-12-30 | 2020-12-30 | Self sealss valve's internals structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295690.8U CN215059574U (en) | 2020-12-30 | 2020-12-30 | Self sealss valve's internals structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059574U true CN215059574U (en) | 2021-12-07 |
Family
ID=79223939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023295690.8U Active CN215059574U (en) | 2020-12-30 | 2020-12-30 | Self sealss valve's internals structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059574U (en) |
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2020
- 2020-12-30 CN CN202023295690.8U patent/CN215059574U/en active Active
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