CN205298600U - Prevent that gland assembly from leaking check valve core of ammonia - Google Patents
Prevent that gland assembly from leaking check valve core of ammonia Download PDFInfo
- Publication number
- CN205298600U CN205298600U CN201620061056.2U CN201620061056U CN205298600U CN 205298600 U CN205298600 U CN 205298600U CN 201620061056 U CN201620061056 U CN 201620061056U CN 205298600 U CN205298600 U CN 205298600U
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- cap assembly
- briquetting
- nonmetal
- ring
- assembly sealing
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Abstract
The utility model relates to a prevent that gland assembly from leaking check valve core of ammonia, it includes case body, gland assembly, valve rod, gland assembly sealing washer, the nonmetal briquetting of gland assembly sealing washer, metallic gasket and fixing bolt, gland assembly sealing washer nonmetal briquetting (5) are by lower supreme cup jointing in gland assembly sealing washer (4) in proper order, outside gland assembly (2) and valve rod (3), and the lower terminal surface of gland assembly sealing washer nonmetal briquetting (5) touches with case body (1) up end and connects, gland assembly sealing washer nonmetal briquetting (5) are closely spacing in case body (1) up end with gland assembly sealing washer (4), in the annular space that gland assembly (2) and gland assembly sealing washer nonmetal briquetting (5) constitute, outside nonmetal briquetting (5) the up end of gland assembly sealing washer was located to valve rod (3) upper end dew, metallic gasket (6) were cup jointed to touch in valve rod (3) upper end and with nonmetal briquetting (5) the up end of gland assembly sealing washer and are connect, and fixing bolt (7) spiral shell presss from both sides metallic gasket (6) to establish and is fixed in between fixing bolt (7) and gland assembly sealing washer nonmetal briquetting (5) in fitting the screw thread blind hole of valve rod (3) up end. The utility model discloses need not to dismantle the stop valve, can prevent fast that the ammonia from revealing, guaranteed the progress of production, saved the cost of maintaining.
Description
Technical field
The utility model relates to a kind of spool, particularly relates to a kind of preventing and presses cap assembly to leak the stopping valve spool of ammonia.
Background technology
In beer production, condenser can be used, and condenser needs to use liquefied ammonia, the pipeline of conveying liquefied ammonia can use stopping valve in a large number, the opening and closing element of stopping valve is spool, direction of motion and the flow direction of spool are perpendicular, and the spool of stopping valve is vertically move back and forth in action process in other words, to close or to open the flowing of liquefied ammonia in valve body.
Existing stopping valve is made up of valve body and the spool being connected in valve body; Described spool comprises spool body, pressure cap assembly and valve rod, and valve rod one end is placed in spool body by pressure cap assembly, and valve rod the other end dew is located at outside pressure cap assembly, and pressure cap assembly is screwed together in spool body upper end.
In actual use, pressure cap assembly and spool body is often occurred to screw togather position ammonia leakage phenomenon, once leakage ammonia phenomenon occurs, just need to stop the supply of ammonia, by the dismounting maintenance of the stopping valve of this leakage, being changed by the planar sealing pad of pressure cap assembly, such maintenance operation can affect production schedule, and maintenance cost is high.
Practical novel content
Technical problem to be solved in the utility model is to provide a kind of preventing and presses cap assembly to leak the stopping valve spool of ammonia, and it is without the need to dismantling stopping valve, can prevent ammonia from revealing fast, ensure that the progress of production, save the cost of maintenance.
For solving the problems of the technologies described above, the utility model adopts following technical proposals: a kind of preventing presses cap assembly to leak the stopping valve spool of ammonia, and it comprises spool body, pressure cap assembly, valve rod, pressure cap assembly sealing-ring, the pressure nonmetal briquetting of cap assembly sealing-ring, metallic gasket and standing bolt;
Valve rod one end is placed in spool body by pressure cap assembly, and valve rod the other end dew is located at outside pressure cap assembly, and pressure cap assembly is screwed together in spool body upper end;
Described pressure cap assembly sealing-ring is sheathed on pressure cap assembly, and presses cap assembly sealing-ring lower surface and spool body upper surface to touch;
The described pressure nonmetal briquetting of cap assembly sealing-ring is socketed on outside pressure cap assembly sealing-ring, pressure cap assembly and valve rod from the bottom to top successively, and press the lower surface of the nonmetal briquetting of cap assembly sealing-ring and spool body upper surface to touch, pressure cap assembly sealing-ring is closely limited in the annular space of the nonmetal briquetting formation of spool body upper surface, pressure cap assembly and pressure cap assembly sealing-ring by the pressure nonmetal briquetting of cap assembly sealing-ring; Valve rod upper end dew is located at outside the pressure nonmetal briquetting upper surface of cap assembly sealing-ring, metallic gasket is socketed on valve rod upper end and touches with the pressure nonmetal briquetting upper surface of cap assembly sealing-ring, standing bolt is screwed together in the tapped bind hole of valve rod upper surface, metallic gasket sandwiched is fixed between standing bolt and the pressure nonmetal briquetting of cap assembly sealing-ring.
The described pressure nonmetal briquetting of cap assembly sealing-ring is the tubular body arranged inside of hollow, the diameter on the tubular body arranged inside top of hollow mates with valve rod lower end diameter, the tubular body arranged inside bottom of hollow is provided with the first stepped circular groove and the 2nd circular groove, the diameter of two circular grooves becomes big from top to bottom gradually, the diameter of the first circular groove mates mutually with the diameter of pressure cap assembly bottom, and the matched of the first circular groove is in pressure cap assembly sealing-ring to pressing the vertical height between cap assembly upper surface; The diameter of the 2nd circular groove with highly respectively with the pressure diameter of cap assembly sealing-ring and mating highly mutually, by pressing cap assembly sealing-ring to be closely pressed on cap assembly and the junction of spool body upper end, to prevent ammonia from revealing from here.
The material of the described pressure nonmetal briquetting of cap assembly sealing-ring is nylon.
The utility model, without the need to dismantling stopping valve, can prevent ammonia from revealing fast, ensure that the progress of production, save the cost of maintenance.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Fig. 2 is that the utility model decomposes structural representation.
Embodiment
Shown in Fig. 1-Fig. 2, a kind of preventing presses cap assembly to leak the stopping valve spool of ammonia, and it comprises spool body 1, pressure cap assembly 2, valve rod 3, pressure cap assembly sealing-ring 4, the pressure nonmetal briquetting 5 of cap assembly sealing-ring, metallic gasket 6 and standing bolt 7;
Valve rod 3 one end is placed in spool body 1 by pressure cap assembly 2, and valve rod 3 the other end dew is located at outside pressure cap assembly 2, and pressure cap assembly 2 is screwed together in spool body 1 upper end;
Described pressure cap assembly sealing-ring 4 is sheathed on pressure cap assembly 2, and presses cap assembly sealing-ring 4 lower surface and spool body 1 upper surface to touch;
The described nonmetal briquetting 5 of pressure cap assembly sealing-ring is socketed on outside pressure cap assembly sealing-ring 4, pressure cap assembly 2 and valve rod 3 from the bottom to top successively, and press the lower surface of the nonmetal briquetting 5 of cap assembly sealing-ring and spool body 1 upper surface to touch, pressure cap assembly sealing-ring 4 is closely limited in the annular space that spool body 1 upper surface, pressure cap assembly 2 and the pressure nonmetal briquetting 5 of cap assembly sealing-ring are formed by the pressure nonmetal briquetting of cap assembly sealing-ring 5; Valve rod 3 upper end dew is located at outside pressure cap assembly sealing-ring nonmetal briquetting 5 upper surface, metallic gasket 6 is socketed on valve rod 3 upper end and touches with pressure cap assembly sealing-ring nonmetal briquetting 5 upper surface, standing bolt 7 is screwed together in the tapped bind hole of valve rod 3 upper surface, metallic gasket 6 sandwiched is fixed between standing bolt 7 and the pressure nonmetal briquetting 5 of cap assembly sealing-ring.
The nonmetal briquetting 5 of described pressure cap assembly sealing-ring is the tubular body arranged inside of hollow, the diameter on the tubular body arranged inside top 51 of hollow mates with valve rod 3 lower end diameter, the tubular body arranged inside bottom of hollow is provided with the first stepped circular groove 52 and the 2nd circular groove 53, the diameter of two circular grooves becomes big from top to bottom gradually, the diameter of the first circular groove 52 mates mutually with the diameter of pressure cap assembly 2 bottom, and the matched of the first circular groove 52 is in pressure cap assembly sealing-ring 4 to pressing the vertical height between cap assembly 2 upper surface; The diameter of the 2nd circular groove 53 with highly respectively with the pressure diameter of cap assembly sealing-ring 4 and mating highly mutually.
The material of the described nonmetal briquetting 5 of pressure cap assembly sealing-ring is nylon.
As mentioned above; the utility model is a kind of prevents the stopping valve spool pressing cap assembly leakage ammonia; described embodiment and figure; the just good implementation result of the utility model; it is not be confined to the utility model; every and structure of the present utility model, feature etc. are similar to, identical person, all should belong to the scope of the utility model protection.
Claims (3)
1. one kind prevents the stopping valve spool pressing cap assembly leakage ammonia, it is characterised in that: it comprises spool body (1), pressure cap assembly (2), valve rod (3), pressure cap assembly sealing-ring (4), the pressure nonmetal briquetting of cap assembly sealing-ring (5), metallic gasket (6) and standing bolt (7);
Valve rod (3) one end is placed in spool body (1) by pressure cap assembly (2), valve rod (3) the other end dew is located at pressure cap assembly (2) outward, and pressure cap assembly (2) is screwed together in spool body (1) upper end;
Described pressure cap assembly sealing-ring (4) is sheathed in pressure cap assembly (2), and presses cap assembly sealing-ring (4) lower surface and spool body (1) upper surface to touch;
The nonmetal briquetting of described pressure cap assembly sealing-ring (5) is socketed on pressure cap assembly sealing-ring (4), pressure cap assembly (2) and valve rod (3) outward from the bottom to top successively, and press the lower surface of the nonmetal briquetting of cap assembly sealing-ring (5) and spool body (1) upper surface to touch, the pressure nonmetal briquetting of cap assembly sealing-ring (5) will press cap assembly sealing-ring (4) to be closely limited in the annular space that spool body (1) upper surface, pressure cap assembly (2) and the pressure nonmetal briquetting of cap assembly sealing-ring (5) are formed; Valve rod (3) upper end dew is located at outside pressure cap assembly sealing-ring nonmetal briquetting (5) upper surface, metallic gasket (6) is socketed on valve rod (3) upper end and touches with pressure cap assembly sealing-ring nonmetal briquetting (5) upper surface, standing bolt (7) is screwed together in the tapped bind hole of valve rod (3) upper surface, metallic gasket (6) sandwiched is fixed between standing bolt (7) and the pressure nonmetal briquetting of cap assembly sealing-ring (5).
2. a kind of preventing according to claim 1 presses cap assembly to leak the stopping valve spool of ammonia, it is characterized in that: the tubular body arranged inside that the nonmetal briquetting of described pressure cap assembly sealing-ring (5) is hollow, the diameter on the tubular body arranged inside top (51) of hollow mates with valve rod (3) lower end diameter, the tubular body arranged inside bottom of hollow is provided with stepped the first circular groove (52) and the 2nd circular groove (53), the diameter of two circular grooves becomes big from top to bottom gradually, the diameter of the first circular groove (52) mates mutually with the diameter of pressure cap assembly (2) bottom, the matched of the first circular groove (52) is in pressure cap assembly sealing-ring (4) to pressing the vertical height between cap assembly (2) upper surface, the diameter of the 2nd circular groove (53) with highly respectively with pressure cap assembly sealing-ring (4) diameter and mate highly mutually.
3. a kind of preventing according to claim 1 presses cap assembly to leak the stopping valve spool of ammonia, it is characterised in that: the material of the nonmetal briquetting of described pressure cap assembly sealing-ring (5) is nylon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620061056.2U CN205298600U (en) | 2016-01-22 | 2016-01-22 | Prevent that gland assembly from leaking check valve core of ammonia |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620061056.2U CN205298600U (en) | 2016-01-22 | 2016-01-22 | Prevent that gland assembly from leaking check valve core of ammonia |
Publications (1)
Publication Number | Publication Date |
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CN205298600U true CN205298600U (en) | 2016-06-08 |
Family
ID=56426303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620061056.2U Active CN205298600U (en) | 2016-01-22 | 2016-01-22 | Prevent that gland assembly from leaking check valve core of ammonia |
Country Status (1)
Country | Link |
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CN (1) | CN205298600U (en) |
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2016
- 2016-01-22 CN CN201620061056.2U patent/CN205298600U/en active Active
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