CN216242377U - Conveniently change high canned type gate valve of filler - Google Patents
Conveniently change high canned type gate valve of filler Download PDFInfo
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- CN216242377U CN216242377U CN202122897148.8U CN202122897148U CN216242377U CN 216242377 U CN216242377 U CN 216242377U CN 202122897148 U CN202122897148 U CN 202122897148U CN 216242377 U CN216242377 U CN 216242377U
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Abstract
The utility model discloses a high-sealing type gate valve convenient for replacing packing, which comprises a valve body, a valve cover and a packing gland, wherein the top surface of the valve body is fixedly connected with the valve cover through a plurality of fixing studs, a plurality of first hexagon nuts are respectively sleeved on the fixing studs in a threaded manner, one side of the top end of the valve cover is rotatably connected with an eyelet bolt through a pin shaft, the outer side wall of the packing gland is fixedly connected with a connecting convex edge, and the connecting convex edge is provided with a connecting hole. When the gate valve is in a closed state, the locking threaded hole moves to a position corresponding to the sliding hole, then the screwing wheel is rotated to connect the threaded column in the locking threaded hole in a threaded manner, the position of the valve rod is fixed, the stability of the position of the valve clack is further ensured, the phenomenon of displacement is avoided, the sealing performance during closing is ensured, in addition, when the packing needs to be replaced, the threaded column is firstly ensured not to be in the locking threaded hole, then the second connecting nut is disassembled, the packing gland is taken down, and the packing in the packing groove opening can be replaced, so that the gate valve is more convenient.
Description
Technical Field
The utility model relates to the technical field of gate valve equipment, in particular to a high-sealing type gate valve with a filler convenient to replace.
Background
The gate valve is an opening and closing valve, the valve clack is used for controlling the flow channel, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The valve clack has rigidity valve clack and elasticity valve clack, and according to the difference of valve clack, the gate valve divide into rigidity gate valve and elasticity gate valve, by wide application in each field, along with the operation requirement of gate valve constantly improves, the leakproofness demand of gate valve is also constantly perfecting, and present gate valve has following defect:
present gate valve is when closing, inside liquid stream can produce great pressure to the valve clack, the valve clack can only be held back to the pressure that the valve rod provided and dams, but when runner pressure is great when using, because the valve rod does not have extra stop device, the phenomenon of slight aversion probably takes place, influence sealing performance, valve rod and valve gap contact department can install the filler in addition, pack general rigid coupling in the inboard preformed groove of valve gap, wear and tear can appear in the filler after using for a long time, need change, present filler is more smooth need unpack apart the valve gap, and is very troublesome, is unfavorable for using.
Therefore, a high-sealing type gate valve convenient for replacing the packing is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-sealing type gate valve with a filler convenient to replace, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-sealing type gate valve convenient for filler replacement comprises a valve body, a valve cover and a filler gland, wherein the top surface of the valve body is fixedly connected with the valve cover through a plurality of fixing studs, a plurality of first hexagon nuts are respectively sleeved on the plurality of fixing studs in a threaded manner, one side of the top end of the valve cover is rotatably connected with an eyelet bolt through a pin shaft, the outer side wall of the filler gland is fixedly connected with a connecting flange, a connecting hole is formed in the connecting flange, and the end part of the eyelet bolt penetrates through the connecting hole and is in threaded connection with a second connecting nut;
the valve rod is rotatably sleeved in the valve cover and the packing gland, a packing groove opening is formed in the inner side wall of the top surface of the valve cover, packing is fixedly connected in the packing groove opening, the packing contacts with the outer side wall of the valve rod, and the bottom end of the packing gland is inserted into the top of the packing groove opening and contacts with the top surface of the packing.
Preferably, the valve rod bottom is located the inside and rigid coupling valve clack nut of valve body, threaded connection valve clack on the valve clack nut, sealed notch is seted up to the valve clack bottom surface, the inside sealed notch position rigid coupling that corresponds of valve body is sealed to be inserted the ring, sealed inserting the ring is pegged graft in sealed notch, sealed inserting ring and sealed notch cross-section are trapezoidal form.
Preferably, one side of the top surface of the packing gland is fixedly connected with a connecting rod, the top end of the connecting rod is fixedly connected with a valve rod nut, the upper part of a valve rod is sleeved with an internal thread of the valve rod nut, and the top end of the valve rod is fixedly connected with a hand wheel.
Preferably, the side wall of the valve rod nut is provided with a sliding hole, the sliding hole is internally and movably connected with a sliding column, one end of the sliding column, which is positioned outside the valve rod nut, is fixedly connected with a tightening wheel, the other end of the sliding column is fixedly connected with a threaded column, the side wall of the valve rod is provided with a locking threaded hole corresponding to the position of the sliding hole, and the threaded column is in threaded connection with the locking threaded hole.
Preferably, the inner side wall of the sliding hole is provided with an annular groove, the outer side wall of the sliding column is fixedly connected with an annular limiting sliding plate, and the annular limiting sliding plate is movably connected in the annular groove.
Preferably, two runners are fixedly connected to two sides of the valve body respectively and communicated with the interior of the valve body, the bottom surface of the valve body is fixedly connected with a plurality of fixing flanges, and the end parts of the runners are fixedly connected with connecting flanges.
Compared with the prior art, the utility model has the beneficial effects that:
when the gate valve is in a closed state, the locking threaded hole moves to a position corresponding to the sliding hole, then the screwing wheel is rotated to connect the threaded column in the locking threaded hole in a threaded manner, the position of the valve rod is fixed, the stability of the position of the valve clack is further ensured, the phenomenon of displacement is avoided, the sealing performance during closing is ensured, in addition, when the packing needs to be replaced, the threaded column is firstly ensured not to be in the locking threaded hole, then the second connecting nut is disassembled, the packing gland is taken down, and the packing in the packing groove opening can be replaced, so that the gate valve is more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged structural view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is an enlarged structural view of the structure at C in FIG. 2 according to the present invention.
In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a valve stem nut; 5. a hand wheel; 6. a valve flap; 7. fixing the stud; 8. an eye bolt; 9. a packing gland; 11. a fixed flange; 12. a flow channel; 13. a connecting flange; 14. sealing and inserting the ring; 21. a pin shaft; 23. a filler notch; 24. a filler; 31. a valve clack nut; 32. locking the threaded hole; 41. a slide hole; 42. a traveler; 43. a threaded post; 44. an annular groove; 45. an annular limiting sliding plate; 46. tightening the wheel; 61. sealing the notch; 71. a first hexagonal nut; 81. a second coupling nut; 91. connecting the convex edge; 92. connecting holes; 93. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-5, the present invention provides a technical solution: a high-sealing type gate valve convenient for filler replacement comprises a valve body 1, a valve cover 2 and a filler gland 9, wherein the top surface of the valve body 1 is fixedly connected with the valve cover 2 through a plurality of fixing studs 7, a plurality of first hexagon nuts 71 are respectively sleeved on the fixing studs 7 in a threaded manner, one side of the top end of the valve cover 2 is rotatably connected with an eyelet bolt 8 through a pin shaft 21, the outer side wall of the filler gland 9 is fixedly connected with a connecting flange 91, a connecting hole 92 is formed in the connecting flange 91, and the end part of the eyelet bolt 8 penetrates through the connecting hole 92 and is in threaded connection with a second connecting nut 81;
Example 2:
referring to fig. 3, the bottom end of the valve rod 3 is located inside the valve body 1 and is fixedly connected with the valve clack nut 31, the valve clack 6 is in threaded connection with the valve clack nut 31, the bottom surface of the valve clack 6 is provided with a sealing notch 61, the inside of the valve body 1 is fixedly connected with the sealing inserting ring 14 corresponding to the sealing notch 61, the sealing inserting ring 14 is inserted into the sealing notch 61, the cross sections of the sealing inserting ring 14 and the sealing notch 61 are both trapezoidal, when the valve is closed, the sealing inserting ring 14 is inserted into the sealing notch 61, the sealing area of the gate valve in the use process is effectively increased, and the sealing performance of the gate valve is improved.
Referring to fig. 4, a connecting rod 93 is fixedly connected to one side of the top surface of the packing gland 9, a stem nut 4 is fixedly connected to the top end of the connecting rod 93, an internal thread of the stem nut 4 is sleeved on the upper portion of the valve stem 3, a hand wheel 5 is fixedly connected to the top end of the valve stem 3, and when the hand wheel 5 is rotated, the valve stem 3 is moved under the action of the stem nut 4, so that the position of the valve flap 6 is adjusted, and opening and closing of the gate valve can be controlled.
Referring to fig. 5, a sliding hole 41 is formed in the side wall of the stem nut 4, a sliding column 42 is movably connected in the sliding hole 41, one end of the sliding column 42, which is located outside the stem nut 4, is fixedly connected to a tightening wheel 46, the other end of the sliding column 42 is fixedly connected to a threaded column 43, a locking threaded hole 32 is formed in the side wall of the valve stem 3, which corresponds to the sliding hole 41, and the threaded column 43 is in threaded connection with the locking threaded hole 32.
Referring to fig. 5, an annular groove 44 is formed in the inner side wall of the sliding hole 41, an annular limiting sliding plate 45 is fixedly connected to the outer side wall of the sliding column 42, the annular limiting sliding plate 45 is movably connected to the annular groove 44, when the gate valve is in a closed state, the locking threaded hole 32 moves to a position corresponding to the sliding hole 41, then the tightening wheel 46 is rotated, the threaded column 43 is in threaded connection with the locking threaded hole 32, the valve rod 3 is fixed in position, the stability of the position of the valve clack 6 is guaranteed, the displacement phenomenon cannot occur, and the sealing performance during closing is guaranteed.
Referring to fig. 2, two flow passages 12 are fixedly connected to two sides of a valve body 1, the two flow passages 12 are communicated with the inside of the valve body 1, a plurality of fixing flanges 11 are fixedly connected to the bottom surface of the valve body 1, connecting flanges 13 are fixedly connected to the end portions of the two flow passages 12, a gate valve is fixed at a desired position through the fixing flanges 11, and then the flow passages 12 are communicated with a control pipeline through the connecting flanges 13.
Example 3:
according to the utility model, the gate valve is fixed at a required position through the fixing flange 11, then the flow channel 12 is communicated with the control pipeline through the connecting flange 13, and when the gate valve is used, the opening and closing of the gate valve are controlled by rotating the hand wheel 5, when the gate valve is in a closed state, the locking threaded hole 32 moves to a position corresponding to the sliding hole 41, then the tightening wheel 46 is rotated, the threaded column 43 is in threaded connection with the locking threaded hole 32, the position of the valve rod 3 is fixed, further the stability of the position of the valve clack 6 is ensured, the displacement phenomenon cannot occur, the sealing performance during closing is ensured, in addition, when the filler 24 needs to be replaced, firstly the threaded column 43 is not in the locking threaded hole 32, then the second connecting nut 81 is detached, the filler gland 9 is taken down, and the filler in the filler notch 23 can be replaced, and the convenience is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a conveniently change high canned type gate valve of packing, includes valve body (1), valve gap (2) and gland (9), its characterized in that:
the top surface of the valve body (1) is fixedly connected with a valve cover (2) through a plurality of fixing studs (7), a plurality of first hexagon nuts (71) are respectively sleeved on the fixing studs (7) in a threaded manner, one side of the top end of the valve cover (2) is rotatably connected with an eyelet bolt (8) through a pin shaft (21), the outer side wall of the packing gland (9) is fixedly connected with a connecting convex edge (91), a connecting hole (92) is formed in the connecting convex edge (91), and the end part of the eyelet bolt (8) penetrates through the connecting hole (92) and is connected with a second connecting nut (81) in a threaded manner;
valve rod (3) is cup jointed in valve gap (2) and the inside rotation of gland (9), valve gap (2) top surface inside wall sets up packing notch (23), rigid coupling packing (24) in packing notch (23), packing (24) contact valve rod (3) lateral wall, gland (9) bottom is pegged graft at packing notch (23) top and is contacted packing (24) top surface.
2. The high-seal gate valve convenient for replacing the packing according to claim 1, wherein: the bottom end of the valve rod (3) is located inside the valve body (1) and fixedly connected with a valve clack nut (31), the valve clack nut (31) is in threaded connection with a valve clack (6), a sealing groove opening (61) is formed in the bottom surface of the valve clack (6), a sealing inserting ring (14) is fixedly connected to the position, corresponding to the sealing groove opening (61), inside the valve body (1), of the sealing inserting ring (14), the sealing inserting ring is inserted into the sealing groove opening (61), and the cross sections of the sealing inserting ring (14) and the sealing groove opening (61) are both in a trapezoidal shape.
3. The high-seal gate valve convenient for replacing the packing according to claim 1, wherein: packing gland (9) top surface one side rigid coupling connecting rod (93), connecting rod (93) top rigid coupling valve-stem nut (4), valve-stem nut (4) internal thread cup joints valve rod (3) upper portion position, valve rod (3) top rigid coupling hand wheel (5).
4. The high-seal gate valve convenient for replacing the packing according to claim 3, wherein: slide hole (41) is seted up to valve-stem nut (4) lateral wall, swing joint traveller (42) in slide hole (41), traveller (42) are located valve-stem nut (4) outside one end rigid coupling tightening wheel (46), traveller (42) other end rigid coupling screw thread post (43), it is locking screw hole (32) to set up corresponding slide hole (41) position on valve-stem (3) lateral wall, screw thread post (43) threaded connection is in locking screw hole (32).
5. The high-seal gate valve convenient for replacing the packing as claimed in claim 4, wherein: an annular groove (44) is formed in the inner side wall of the sliding hole (41), an annular limiting sliding plate (45) is fixedly connected to the outer side wall of the sliding column (42), and the annular limiting sliding plate (45) is movably connected into the annular groove (44).
6. The high-seal gate valve convenient for replacing the packing according to claim 1, wherein: two runners (12) are fixedly connected to two sides of the valve body (1) respectively, the runners (12) are communicated with the interior of the valve body (1), the bottom surface of the valve body (1) is fixedly connected with a plurality of fixing flanges (11), and the end portions of the runners (12) are fixedly connected with connecting flanges (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897148.8U CN216242377U (en) | 2021-11-24 | 2021-11-24 | Conveniently change high canned type gate valve of filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897148.8U CN216242377U (en) | 2021-11-24 | 2021-11-24 | Conveniently change high canned type gate valve of filler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242377U true CN216242377U (en) | 2022-04-08 |
Family
ID=80956761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122897148.8U Active CN216242377U (en) | 2021-11-24 | 2021-11-24 | Conveniently change high canned type gate valve of filler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242377U (en) |
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2021
- 2021-11-24 CN CN202122897148.8U patent/CN216242377U/en active Active
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