CN219221297U - Stop valve for preventing valve rod from moving - Google Patents
Stop valve for preventing valve rod from moving Download PDFInfo
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- CN219221297U CN219221297U CN202223184033.5U CN202223184033U CN219221297U CN 219221297 U CN219221297 U CN 219221297U CN 202223184033 U CN202223184033 U CN 202223184033U CN 219221297 U CN219221297 U CN 219221297U
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- valve rod
- valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a stop valve for preventing valve rod from moving, which comprises a main body communication pipeline and a first connecting pipeline, wherein a first circular connecting plate is fixed at the upper end of the main body communication pipeline through threads, a second circular connecting plate is fixed at the upper end of the first circular connecting plate through threads, a valve rod assembly is arranged in the middle of the main body communication pipeline, the valve rod assembly comprises a valve rod prevention body, a clamping and positioning assembly is fixed at the middle of the valve rod assembly through threads, the clamping and positioning assembly comprises a main body circular sealing block, and semicircular clamping plates are fixed at two sides of the middle of the valve rod prevention body through threads.
Description
Technical Field
The utility model belongs to the technical field of stop valves, and particularly relates to a stop valve capable of preventing valve rod from moving.
Background
The stop valve is also called a stop valve, and belongs to a forced sealing valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is subject to bending fault, and the valve rod is divided into three types according to the connection mode: the flange connection, the screw thread connection and the welding connection are realized, after the self-sealing valve appears, the medium flow direction of the stop valve enters the valve cavity from the upper part of the valve clack, at the moment, the force for closing the valve is small under the action of the medium pressure, the force for opening the valve is large, and the diameter of the valve rod can be correspondingly reduced.
Chinese publication No.: CN212080311U discloses a valve rod anti-rotation structure of stop valve, relates to stop valve technical field, including the stop valve body, the top fixedly connected with valve gap of stop valve body, the inside fixedly connected with valve rod of stop valve body, the top fixedly connected with spliced pole of valve rod, the equal fixedly connected with fixed plate in top both ends of valve gap, the screw has been seted up to the inside of fixed plate, the inside fixedly connected with bolt of screw, the top fixedly connected with fixed column of fixed plate, the inside of fixed column is seted up flutedly, and the valve rod of this stop valve prevents changeing the structure, has reached the purpose of preventing changeing the valve rod through setting up the bull stick, and then has guaranteed the normal work of stop valve, has made things convenient for the dismantlement and the installation of preventing changeing the structure through setting up screw and bolt, and then avoids appearing the waste of resource.
However, the prior art has some problems: when the valve rod is rotated, the valve rod of the existing stop valve needs to be positioned and fixed to rotate, the valve rod of the stop valve is fastened on the valve body sleeve of the stop valve through the action of manual pressing, the connection and the instability are realized, meanwhile, after the service time of the existing valve is prolonged, the valve rod can move upwards for a certain distance due to hydraulic pressure, the sealing performance of the valve is poor, the maintenance of the valve is also inconvenient, and the overall practicability of the device is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the stop valve for preventing the valve rod from moving, and the stop valve can be used for positioning and fixing the valve rod, so that the integral practicability of the device is effectively enhanced, and the valve rod is prevented from moving up and down.
The utility model discloses a stop valve capable of preventing valve rod movement, which comprises a main body communication pipeline and a first connecting pipeline, wherein a first circular connecting plate is fixed at the upper end of the main body communication pipeline through threads, a second circular connecting plate is fixed at the upper end of the first circular connecting plate through threads, a valve rod assembly is arranged in the middle of the main body communication pipeline, the valve rod assembly comprises a valve rod prevention body, a clamping and positioning assembly is fixed at the middle of the valve rod assembly through threads, the clamping and positioning assembly comprises a main body circular sealing block, semicircular clamping plates are fixed at two sides of the middle of the valve rod prevention body through threads, and a main body circular sealing gasket is arranged in the middle of the first connecting pipeline.
Preferably, the first connecting pipeline middle part one end is provided with the second flange, the first connecting pipeline other end is provided with the second connecting pipeline, second connecting pipeline one end is provided with first flange, first hole has all been seted up to first flange and second flange middle part both sides.
Preferably, the first fixing bolts are fixedly arranged at two ends of the middle parts of the first round connecting plate and the second round connecting plate in a threaded manner, first fixing nuts are fixedly arranged at one ends of the first fixing bolts in a threaded manner, and first threaded holes corresponding to the first fixing nuts are formed in two ends of the middle parts of the first round connecting plate and the second round connecting plate.
Preferably, the middle part of the upper surface of the second circular connecting plate is provided with a main body circular sealing block, a second hole corresponding to the valve rod prevention body is formed in the middle part of the main body circular sealing block, annular fixing rods are fixedly installed on two sides of the middle part of the main body circular sealing block, one end of each annular fixing rod is provided with a semicircular clamping plate, and rectangular fixing blocks are fixedly installed at two ends of each semicircular clamping plate.
Preferably, a second fixing bolt is fixed at the middle part of the rectangular fixing block in a threaded manner, a second fixing nut is fixed at one end of the second fixing bolt in a threaded manner, and a second threaded hole corresponding to the second fixing bolt is formed in the middle part of the rectangular fixing block.
Preferably, two groups of rectangular fixing blocks are arranged, an anti-valve rod body is arranged in the middle of each rectangular fixing block, and a third fixing nut is fixed on the top end of the anti-valve rod body through threads.
Preferably, the upper end of the valve preventing rod body is provided with an adjusting handle, and the lower end of the valve preventing rod body is provided with a main body circular sealing gasket.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the structural design of the clamping and positioning assembly, the use stability of the whole device is enhanced, the valve rod assembly can be clamped by the clamping and positioning assembly in a threaded manner and is fixed, the phenomenon of preventing the valve rod body from moving up and down is effectively avoided, the use stability of the whole device is enhanced, meanwhile, the valve rod assembly can effectively seal the pipeline of the device through the main body circular sealing gasket, and the sealing effect of the whole device is enhanced.
2. According to the utility model, through the structural design of the first connecting pipeline, the second connecting pipeline, the first connecting method, the second connecting flange and the first hole, the integral installation convenience of the device is enhanced, and meanwhile, the device can be effectively disassembled when being overhauled, so that the integral overhauling efficiency of the device is enhanced, and the integral practicability of the device is greatly enhanced.
3. According to the utility model, through the structural design of the structures of the first circular connecting plate, the second circular connecting plate, the first fixing bolt, the first fixing nut and the first threaded hole, the integral installation convenience of the device is enhanced, and the first fixing bolt and the first fixing nut can be used for carrying out threaded fit, so that the first circular connecting plate and the second circular connecting plate are effectively and fixedly threaded, and the integral use convenience of the device is enhanced.
4. According to the utility model, through the structural design of the main body circular sealing block, the second hole, the second threaded hole, the semicircular clamping plate and the rectangular fixing block, the integral use stability of the valve rod preventing body is enhanced, the valve rod preventing body can be screwed and fixed through the second fixing bolt and the second fixing nut, the phenomenon that the valve rod preventing body moves up and down is effectively avoided, and the integral use stability of the device is enhanced.
5. According to the utility model, through the structural design of the rectangular fixing block, the second fixing bolt, the second fixing nut and the annular fixing rod, the overall practicability of the device is enhanced, and the clamping angle can be adjusted by the threaded fit of the second fixing bolt and the second fixing nut, so that the valve rod body is clamped and fixed more tightly, and the overall use convenience of the device is enhanced.
6. According to the utility model, through the structural design of the valve rod prevention body and the third fixing nut, the use convenience of the valve rod prevention body is enhanced, and the rotation angle of the valve rod prevention body can be fixed and limited through the third fixing nut, so that the condition that the adjusting handle slides out of the valve rod prevention body is avoided, and the integral use safety of the device is indirectly enhanced.
7. According to the utility model, through the structural design of the valve rod prevention body, the main body circular sealing gasket, the adjusting handle and the third fixing nut, the integral sealing effect of the device is enhanced, the sealing angle of the valve rod prevention body can be adjusted in a rotating way, and meanwhile, the communication port of the valve rod prevention body is tightly sealed by matching with the main body circular sealing gasket, so that the integral practicability of the device is enhanced.
Drawings
FIG. 1 is a schematic perspective view of a structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a partial structure provided by an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a valve stem assembly according to an embodiment of the present utility model;
fig. 4 is a schematic perspective view of a clamping and positioning assembly according to an embodiment of the present utility model.
In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a first connection method; 4. a second connection flange; 5. a first hole; 6. the main body is communicated with the pipeline; 7. a first circular connecting plate; 8. a second circular connecting plate; 9. clamping and positioning components; 901. a main body circular sealing block; 902. a second hole; 903. a second threaded hole; 904. a semicircular clamping plate; 905. a rectangular fixed block; 906. a second fixing bolt; 907. a second fixing nut; 908. an annular fixed rod; 10. a valve stem assembly; 1001. an anti-valve rod body; 1002. a main body circular gasket; 1003. an adjusting handle; 1004. a third fixing nut; 11. a first fixing bolt; 12. a first fixing nut; 13. a first threaded bore.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the stop valve for preventing valve rod movement provided by the embodiment of the utility model comprises a main body communication pipeline 6 and a first connecting pipeline 1, wherein a first circular connecting plate 7 is fixed at the upper end of the main body communication pipeline 6 in a threaded manner, a second circular connecting plate 8 is fixed at the upper end of the first circular connecting plate 7 in a threaded manner, a valve rod assembly 10 is arranged in the middle of the main body communication pipeline 6, the valve rod assembly 10 comprises a valve rod prevention body 1001, a clamping and positioning assembly 9 is fixed at the middle of the valve rod assembly 10 in a threaded manner, the clamping and positioning assembly 9 comprises a main body circular sealing block 901, semicircular clamping plates 904 are fixed at two sides of the middle of the valve rod prevention body 1001 in a threaded manner, and a main body circular sealing gasket 1002 is arranged in the middle of the first connecting pipeline 1.
The scheme is adopted: through the structural design of clamping and positioning assembly 9, the device is enhanced in overall use stability, the valve rod assembly 10 can be clamped by threads and fixed by the clamping and positioning assembly 9, the phenomenon of up-down movement of the valve rod body 1001 is effectively avoided, the device is enhanced in overall use stability, meanwhile, the valve rod assembly 10 can effectively seal the pipeline through the main body circular sealing gasket 1002, and the device is enhanced in overall sealing effect.
Referring to fig. 1, a second connecting flange 4 is disposed at one end of the middle of a first connecting pipe 1, a second connecting pipe 2 is disposed at the other end of the first connecting pipe 1, a first connecting flange 3 is disposed at one end of the second connecting pipe 2, and first holes 5 are formed in two sides of the middle of the first connecting flange 3 and two sides of the middle of the second connecting flange 4.
The scheme is adopted: through the structural design of the first connecting pipeline 1, the second connecting pipeline 2, the first connecting method 3, the second connecting flange 4 and the first hole 5, the device is enhanced in overall installation convenience, and meanwhile, the device can be effectively disassembled when being overhauled, so that the overall overhauling efficiency of the device is enhanced, and the overall practicability of the device is greatly enhanced.
Referring to fig. 2, first fixing bolts 11 are screwed at two ends of the middle parts of the first circular connecting plate 7 and the second circular connecting plate 8, first fixing nuts 12 are screwed at one ends of the first fixing bolts 11, and first threaded holes 13 corresponding to the first fixing nuts 12 are formed at two ends of the middle parts of the first circular connecting plate 7 and the second circular connecting plate 8.
The scheme is adopted: through the structural design of the structures of the first circular connecting plate 7, the second circular connecting plate 8, the first fixing bolt 11, the first fixing nut 12 and the first threaded hole 13, the whole installation convenience of the device is enhanced, the first fixing bolt 11 and the first fixing nut 12 are in threaded fit in use, and therefore the first circular connecting plate 7 and the second circular connecting plate 8 are effectively in threaded fixation, and the whole use convenience of the device is enhanced.
Referring to fig. 4, a main body circular sealing block 901 is arranged in the middle of the upper surface of the second circular connecting plate 8, a second hole 902 corresponding to the valve rod preventing body 1001 is formed in the middle of the main body circular sealing block 901, annular fixing rods 908 are fixedly mounted on two sides of the middle of the main body circular sealing block 901, a semicircular clamping plate 904 is arranged at one end of each annular fixing rod 908, and rectangular fixing blocks 905 are fixedly mounted at two ends of each semicircular clamping plate 904.
The scheme is adopted: through the structural design of the circular sealing block 901 of main part, the second hole 902, the second screw hole 903, the semicircular clamping plate 904, the rectangular fixed block 905, make it strengthen the holistic stability in use of valve rod body 1001, carry out the screw thread fixation to its valve rod body 1001 of preventing at the use accessible second fixing bolt 906 and second fixation nut 907, effectually avoided valve rod body 1001 to appear the phenomenon of drunkenness from top to bottom, strengthened the holistic stability in use of device.
Referring to fig. 4, a second fixing bolt 906 is screwed to the middle of the rectangular fixing block 905, a second fixing nut 907 is screwed to one end of the second fixing bolt 906, and a second threaded hole 903 corresponding to the second fixing bolt 906 is formed in the middle of the rectangular fixing block 905.
The scheme is adopted: through the structural design of rectangle fixed block 905, second fixing bolt 906, second fixing nut 907, annular dead lever 908, make it strengthen the holistic practicality of the device, use accessible second fixing bolt 906 and second fixing nut 907 to carry out the angle of screw-thread fit regulation centre gripping to inseparabler carry out centre gripping fixed work to its valve rod body 1001 of preventing, strengthened the holistic use convenience of device.
Referring to fig. 4, two sets of rectangular fixing blocks 905 are provided, an anti-valve rod body 1001 is provided in the middle of the two sets of rectangular fixing blocks 905, and a third fixing nut 1004 is screwed on the top end of the anti-valve rod body 1001.
The scheme is adopted: through the structural design of the valve rod prevention body 1001 and the third fixing nut 1004, the use convenience of the valve rod prevention body 1001 is enhanced, and the rotation angle of the valve rod prevention body 1001 is limited by fixing the valve rod prevention body through the third fixing nut 1004, so that the adjustment handle 1003 is prevented from sliding out of the valve rod prevention body 1001, and the integral use safety of the device is indirectly enhanced.
Referring to fig. 3, an adjusting knob 1003 is provided at an upper end of the stem body 1001, and a main body circular gasket 1002 is provided at a lower end of the stem body 1001.
The scheme is adopted: through the structural design of the valve rod body 1001, the main body circular sealing gasket 1002, the adjusting handle 1003 and the third fixing nut 1004, the overall sealing effect of the device is enhanced, the sealing angle of the valve rod body 1001 can be adjusted in a rotating mode, meanwhile, the communicating port of the valve rod body is tightly sealed by matching with the main body circular sealing gasket 1002, and the overall practicability of the device is enhanced.
The working principle of the utility model is as follows:
during the use, through the structural design of valve stem body 1001 and third fixation nut 1004, the use convenience of valve stem body 1001 has been strengthened to it, use accessible third fixation nut 1004 to its rotation angle who fixes spacing valve stem body 1001, thereby on having avoided adjusting handle 1003 landing out valve stem body 1001, the holistic safety in utilization of device has been indirectly strengthened, through valve stem body 1001, the circular sealing gasket 1002 of main part, adjusting handle 1003, the structural design of third fixation nut 1004, make it strengthen the holistic sealed effect of device, can rotate the sealing angle of adjusting valve stem body 1001 in use, the sealed pad 1002 of cooperation main part carries out closely sealed to its intercommunication mouth simultaneously, the holistic practicality of device has been strengthened, through rectangular fixing block 905, second fixing bolt 906, second fixing nut 907, the structural design of annular fixing rod 908, make its holistic practicality of device has been strengthened, the holistic practicality of device is in use, the holistic angle of screw-thread fit adjustment centre gripping is carried out through second fixing bolt 906 and second fixing nut 907, thereby the holistic clamping effect to its valve stem body 1001 is realized to the device 1001, the work of clamp can be carried out to the device is strengthened through the second fixing bolt 903, the whole sealing block is realized through the second fixing bolt 906, the whole sealing plate is used, the device is realized through the second fixing bolt 906, the whole sealing plate is used, the whole device is realized through the second fixing nut is used 906, the whole is convenient for use of the device has been strengthened, the whole has been realized, the device has been realized the device has improved through the whole sealing device has been used the device has been convenient device through the whole and can be used.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)
1. The utility model provides a stop valve of anti-valve rod drunkenness, includes main part intercommunication pipeline (6) and first connecting pipeline (1), its characterized in that: the novel valve is characterized in that a first circular connecting plate (7) is fixed at the upper end of the main body communication pipeline (6) through threads, a second circular connecting plate (8) is fixed at the upper end of the first circular connecting plate (7) through threads, a valve rod assembly (10) is arranged in the middle of the main body communication pipeline (6), the valve rod assembly (10) comprises a valve rod prevention body (1001), a clamping and positioning assembly (9) is fixed at the middle of the valve rod assembly (10) through threads, the clamping and positioning assembly (9) comprises a main body circular sealing block (901), semicircular clamping plates (904) are fixed at two sides of the middle of the valve rod body (1001) through threads, and a main body circular sealing gasket (1002) is arranged in the middle of the first connecting pipeline (1).
2. The valve stem-play-preventing shutoff valve of claim 1, wherein: the novel connecting device is characterized in that a second connecting flange (4) is arranged at one end of the middle of the first connecting pipeline (1), a second connecting pipeline (2) is arranged at the other end of the first connecting pipeline (1), a first connecting flange (3) is arranged at one end of the second connecting pipeline (2), and first holes (5) are formed in two sides of the middle of the first connecting flange (3) and two sides of the middle of the second connecting flange (4).
3. The valve stem-play-preventing shutoff valve of claim 2, wherein: first fixing bolts (11) are fixedly arranged at two ends of the middle parts of the first round connecting plate (7) and the second round connecting plate (8) in a threaded mode, first fixing nuts (12) are fixedly arranged at one ends of the first fixing bolts (11) in a threaded mode, and first threaded holes (13) corresponding to the first fixing nuts (12) are formed in two ends of the middle parts of the first round connecting plate (7) and the second round connecting plate (8).
4. The valve stem-play-preventing shutoff valve of claim 1, wherein: the circular connecting plate (8) upper surface middle part of second is provided with circular sealing block (901) of main part, the second hole (902) corresponding with valve rod body (1001) are offered at circular sealing block (901) middle part of main part, equal fixed mounting in main part circular sealing block (901) middle part both sides have annular dead lever (908), annular dead lever (908) one end is provided with semicircular grip block (904), semicircular grip block (904) both ends equal fixed mounting have rectangle fixed block (905).
5. The valve stem-play-preventing shutoff valve of claim 4, wherein: the middle part of the rectangular fixed block (905) is fixedly provided with a second fixed bolt (906) in a threaded manner, one end of the second fixed bolt (906) is fixedly provided with a second fixed nut (907) in a threaded manner, and the middle part of the rectangular fixed block (905) is provided with a second threaded hole (903) corresponding to the second fixed bolt (906).
6. The valve stem-play-preventing shutoff valve of claim 5, wherein: rectangular fixed block (905) are provided with two sets of, two sets of rectangular fixed block (905) middle part is provided with prevents valve rod body (1001), prevent valve rod body (1001) top thread tightening has third fixation nut (1004).
7. The valve stem-play-preventing shutoff valve of claim 6, wherein: the anti-valve rod body (1001) upper end is provided with regulation handle (1003), anti-valve rod body (1001) lower extreme is provided with main part circular sealing gasket (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223184033.5U CN219221297U (en) | 2022-11-29 | 2022-11-29 | Stop valve for preventing valve rod from moving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223184033.5U CN219221297U (en) | 2022-11-29 | 2022-11-29 | Stop valve for preventing valve rod from moving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219221297U true CN219221297U (en) | 2023-06-20 |
Family
ID=86749776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223184033.5U Active CN219221297U (en) | 2022-11-29 | 2022-11-29 | Stop valve for preventing valve rod from moving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219221297U (en) |
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2022
- 2022-11-29 CN CN202223184033.5U patent/CN219221297U/en active Active
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