CN213745196U - External stuffing box structure of valve - Google Patents
External stuffing box structure of valve Download PDFInfo
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- CN213745196U CN213745196U CN202022279910.1U CN202022279910U CN213745196U CN 213745196 U CN213745196 U CN 213745196U CN 202022279910 U CN202022279910 U CN 202022279910U CN 213745196 U CN213745196 U CN 213745196U
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Abstract
The utility model relates to an external stuffing box structure of valve belongs to valve stuffing box technical field. The novel packing box is characterized by comprising a valve gland body, wherein an external packing box body is arranged at the top of the valve gland body and comprises a cylindrical external packing box wall, the bottom of the external packing box wall is welded and fixed on the top surface of a packing pressing plate, an external packing box gland is arranged at the top of the external packing box wall in a pressing mode, and the external packing box gland is detachably fixed on the packing pressing plate through an external packing box gland bolt and an external packing box gland nut. The utility model discloses an external stuffing box structure of valve installs the external stuffing box tank wall of valve, the external stuffing box gland of valve additional on original glan, and the external stuffing box tank wall of valve and the welded connection for the original valve stuffing box gland have eliminated the leakage point that produces when connecting, and the effectual airtight of guaranteeing external stuffing box has improved the maintenance efficiency that the valve leaked, has wide application prospect.
Description
Technical Field
The utility model relates to an external stuffing box structure of valve belongs to valve stuffing box technical field.
Background
At present, when the valve glan leaks, the valve glan needs to be overhauled, and the current common overhauling method comprises the following steps:
1. and (4) overhauling the shutdown equipment or shutdown machine set, replacing the filler and eliminating the valve Glan leakage.
2. Closing or opening the valve to a maximum minimizes the amount of leakage from the valve during operation.
3. And (4) injecting glue to the stuffing box of the leakage valve Glan for sealing, so that the valve Glan leakage is eliminated.
The above method has the following disadvantages:
the method 1 has the following disadvantages: the entire system and equipment must be shut down, but some cannot be immediately shut down and the equipment or units are expensive to shut down.
The method 2 has the following disadvantages: the failure of the equipment to operate normally results in improper operation or damage to the associated equipment, and may also result in shutdown of the entire system or unit, resulting in high maintenance costs.
The method 3 has the following disadvantages: the running state of valve when the injecting glue can only be kept to equipment, and the valve opening degree can not be adjusted, leads to the abnormal operation of associated equipment, and personnel can not the stable control entire system running state, and cause the different degree damage of relevant equipment easily, have personnel injured hidden danger and risk.
In view of the above-mentioned defects, the present designer is actively making research and innovation to create a structure of external stuffing box for valve, so that it has more industrial utilization value.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing an external stuffing box structure of valve. The utility model discloses an external stuffing box structure of valve installs the external stuffing box tank wall of valve, the external stuffing box gland of valve additional on original glan, and the external stuffing box tank wall of valve and the welded connection for the original valve stuffing box gland have eliminated the leakage point that produces when connecting, and the effectual airtight of guaranteeing external stuffing box has improved the maintenance efficiency that the valve leaked, has wide application prospect.
The utility model relates to an external stuffing box structure of a valve, which comprises a valve gram body,
the valve gland is characterized in that an external packing box body is arranged at the top of the valve gland body and comprises a cylindrical external packing box wall, the bottom of the external packing box wall is welded and fixed on the top surface of the packing pressing plate, an external packing box gland is arranged at the top of the external packing box wall in a pressing mode, and the external packing box gland is detachably fixed on the packing pressing plate through an external packing box gland bolt and an external packing box gland nut.
Furthermore, the external gland of the packing box is of a rectangular plate-shaped structure, and an outward convex compression ring is arranged at the center of the surface of the external gland of the packing box.
Furthermore, the outer diameter of the outward convex compression ring is equal to the inner diameter of the external packing box wall, and the outward convex compression ring and the external packing box wall are mutually matched and clamped.
Furthermore, a valve rod hole is further formed in the center of the outer convex compression ring, and the diameter of the valve rod hole is equal to that of the valve rod, so that the valve rod can be fixedly inserted.
Furthermore, two bolt fixing blocks are symmetrically arranged on the left side and the right side of the external gland of the stuffing box and used for being inserted with bolts of the external gland of the stuffing box.
Further, the valve gland body comprises a cylindrical valve rod, and the valve rod is sleeved in the valve stuffing box.
Furthermore, a filler is filled between the valve rod and the valve filler box, and a filler pressing sleeve is pressed on the top of the filler.
Furthermore, a packing pressing plate is arranged on the top of the packing pressing sleeve in a pressing mode, and the packing pressing plate is detachably fixed on the valve packing pressing sleeve through a pressing plate bolt and a pressing plate nut.
By the scheme, the invention at least has the following advantages:
the utility model discloses an external stuffing box structure of valve installs the external stuffing box tank wall of valve, the external stuffing box gland of valve additional on original glan, and the external stuffing box tank wall of valve and the welded connection for the original valve stuffing box gland have eliminated the leakage point that produces when connecting, and the effectual airtight of guaranteeing external stuffing box has improved the maintenance efficiency that the valve leaked, has wide application prospect.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the external stuffing box structure of the valve of the present invention;
FIG. 2 is a schematic view of an assembly structure of the external stuffing box structure of the valve of the present invention;
fig. 3 is a cross sectional view of an external stuffing box gland in the external stuffing box structure of the valve of the utility model;
fig. 4 is a top view of an external stuffing box gland in the external stuffing box structure of the valve of the present invention;
fig. 5 is a cross-sectional view of the external stuffing box body in the external stuffing box structure of the valve of the utility model;
fig. 6 is a top view of the external stuffing box body in the external stuffing box structure of the valve of the present invention;
wherein, in the figure,
1. a valve gland body; 2. a stuffing box body is arranged outside;
11. a valve stuffing box; 12. a filler; 13. pressing and sleeving the filler; 14. a packing press plate; 15. a platen bolt; 16. a platen nut; 17. a valve stem;
21. the wall of the stuffing box is arranged outside; 22. a gland of the external stuffing box; 23. a gland bolt of the external stuffing box; 24. A gland nut of the external stuffing box; 25. a convex compression ring; 26. a valve stem bore; 27. and fixing the bolt.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 6, the utility model discloses an external stuffing box structure of valve, including valve glan body 1, its characterized in that:
the valve gland comprises a valve gland body 1 and is characterized in that an external packing box body 2 is arranged at the top of the valve gland body 1, the valve gland body 1 comprises a cylindrical valve rod 17, the valve rod 17 is sleeved in a valve packing box 11, a packing 12 is filled between the valve rod 17 and the valve packing box 11, a packing pressing sleeve 13 is pressed at the top of the packing 12, a packing pressing plate 14 is pressed at the top of the packing pressing sleeve 13, and the packing pressing plate 14 is detachably fixed on the valve packing pressing sleeve 13 through a pressing plate bolt 15 and a pressing plate nut 16;
the top of the valve flange body 1 is fixedly connected with an external packing box body 2, the external packing box body 2 comprises a cylindrical external packing box wall 21, the bottom of the external packing box wall 21 is welded and fixed on the top surface of a packing pressing plate 14, an external packing box gland 22 is pressed on the top of the external packing box wall 21, the external packing box gland 22 is detachably fixed on the packing pressing plate 14 through an external packing box gland bolt 23 and an external packing box gland nut 24, the external packing box gland 22 is of a rectangular plate-shaped structure, an outward convex pressing ring 25 is arranged at the center of the surface of the external packing box gland 22, the outer diameter of the outward convex pressing ring 25 is equal to the inner diameter of the external packing box wall 21, the outward convex pressing ring and the external packing box gland are matched and clamped with each other, a valve rod hole 26 is further arranged at the center of the outward pressing ring 25, the diameter of the valve rod hole 26 is equal to the diameter of the valve rod 17, the valve rod fixing device is used for fixing the inserted valve rod 17, two bolt fixing blocks 27 are symmetrically arranged on the left side and the right side of the external packing box gland 22, the bolt fixing blocks 27 are used for inserting the external packing box gland bolts 23, installation is carried out according to the actual situation of field equipment, if the gap between the valve rod and the electric valve rod is small, the external packing box gland 22 of the valve and the external packing box wall 21 of the valve can be cut into two half parts or two direct half parts for installation, and the half parts are connected with the half parts through welding.
The working principle of the utility model is as follows:
the utility model discloses an external stuffing box structure of valve when in actual use, at the 14 fixed external stuffing box tank walls 21 of the packing plate surface welding of original valve glan, establish external stuffing box gland 22 again at external stuffing box tank wall 21 top joint pressure, make external stuffing box gland 22's evagination clamping ring 25 and external stuffing box tank wall 21 joint fixed, the external stuffing box gland bolt 23 of reuse and external stuffing box gland nut 24 fix on packing plate 14, accomplish the installation of external stuffing box, the back is accomplished in the installation, glue for repairing the leakage injection of the former stuffing box of valve, when the valve operation, can store up in external stuffing box tank wall 21, can not cause glue to leak and leak gas leakage, the maintenance effect of valve leakage has effectively been increased, wide application prospect has.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an external stuffing box structure of valve, includes valve glan body (1), its characterized in that:
the valve gland is characterized in that an external packing box body (2) is arranged at the top of the valve gland body (1), the external packing box body (2) comprises a cylindrical external packing box wall (21), the bottom of the external packing box wall (21) is welded and fixed on the top surface of a packing pressing plate (14), an external packing box gland (22) is arranged at the top of the external packing box wall (21) in a pressing mode, and the external packing box gland (22) is detachably fixed on the packing pressing plate (14) through an external packing box gland bolt (23) and an external packing box gland nut (24).
2. The external stuffing box structure of the valve according to claim 1, wherein: the external gland (22) of the packing box is of a rectangular plate-shaped structure, and an outward convex compression ring (25) is arranged at the center of the surface of the external gland (22) of the packing box.
3. The external stuffing box structure of the valve according to claim 2, wherein: the outer diameter of the outward convex compression ring (25) is equal to the inner diameter of the external packing box wall (21), and the outward convex compression ring and the external packing box wall are matched and clamped with each other.
4. The external stuffing box structure of claim 2 or 3, wherein: the center of the outward convex compression ring (25) is also provided with a valve rod hole (26), and the diameter of the valve rod hole (26) is equal to that of the valve rod (17) and used for fixing the inserted valve rod (17).
5. The external stuffing box structure of the valve according to claim 1, wherein: two bolt fixing blocks (27) are symmetrically arranged on the left side and the right side of the external gland (22) of the stuffing box, and the bolt fixing blocks (27) are used for being inserted with external gland bolts (23).
6. The external stuffing box structure of the valve according to claim 1, wherein: the valve gland body (1) comprises a cylindrical valve rod (17), and the valve rod (17) is sleeved in the valve stuffing box (11).
7. The external stuffing box structure of the valve according to claim 6, wherein: and a packing (12) is filled between the valve rod (17) and the valve packing box (11), and a packing pressing sleeve (13) is pressed at the top of the packing (12).
8. The external stuffing box structure of the valve according to claim 7, wherein: the top of the packing pressing sleeve (13) is provided with a packing pressing plate (14) in a pressing mode, and the packing pressing plate (14) is detachably fixed on the valve packing pressing sleeve (13) through a pressing plate bolt (15) and a pressing plate nut (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279910.1U CN213745196U (en) | 2020-10-14 | 2020-10-14 | External stuffing box structure of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279910.1U CN213745196U (en) | 2020-10-14 | 2020-10-14 | External stuffing box structure of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745196U true CN213745196U (en) | 2021-07-20 |
Family
ID=76849451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022279910.1U Active CN213745196U (en) | 2020-10-14 | 2020-10-14 | External stuffing box structure of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745196U (en) |
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2020
- 2020-10-14 CN CN202022279910.1U patent/CN213745196U/en active Active
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