CN213954513U - Reinforced corrugated pipe sealing gate valve - Google Patents
Reinforced corrugated pipe sealing gate valve Download PDFInfo
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- CN213954513U CN213954513U CN202120028151.3U CN202120028151U CN213954513U CN 213954513 U CN213954513 U CN 213954513U CN 202120028151 U CN202120028151 U CN 202120028151U CN 213954513 U CN213954513 U CN 213954513U
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- corrugated pipe
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Abstract
A reinforced corrugated pipe sealing gate valve comprises a valve body, a valve clack, a valve rod, a corrugated pipe, a valve cover, a packing gland, a valve rod nut and a hand wheel, wherein a circulation cavity is arranged inside the valve body, the valve clack is arranged inside the top center of the valve body and extends to the circulation cavity through the valve rod, the valve cover is arranged on the top of the valve body through a bolt, the nut is sequentially arranged on the top of the valve body and the top of the valve cover through the top of the bolt, a gasket is arranged between the top of the valve body and the bottom of the valve cover, the corrugated pipe is sleeved on the valve rod and positioned inside the valve cover, the packing gland is arranged on two sides of the top of the valve cover through a locking assembly, packing is arranged inside the top of the packing gland and close to the periphery of the valve rod, the packing gland is sleeved on the top of the valve rod and positioned on the packing gland, the valve rod nut is arranged on the top of the valve rod and communicated with the top of the packing gland, the hand wheel is arranged on the top of the valve rod nut, simple structure just adopts threaded connection structure to be convenient for carry out dismouting periodic overhaul and change inside sealing element and guarantee the sealed usability of gate valve, has the bellows and packs dual enhancement seal structure, ensures that the leakproofness of valve rod department is strong, and the leak-free of the gate valve of being convenient for is used.
Description
Technical Field
The utility model relates to a sealing gate valve technical field specifically is a strenghthened type bellows sealing gate valve.
Background
The opening and closing piece of the corrugated pipe gate valve is a plug-shaped valve clack, a sealing surface is a plane or a conical surface, the valve clack moves linearly along the central line of fluid, the valve is the most widely used valve, the corrugated pipe, the valve cover and the valve rod of the existing corrugated pipe gate valve are welded into a whole, the corrugated pipe, the valve cover and the valve rod are not convenient to disassemble and replace, leakage is easily caused due to the use loss of the corrugated pipe, meanwhile, the gate valve is only sealed by adopting fillers, the valve rod and the fillers can slide, leakage is easy at low temperature, and therefore the reinforced corrugated pipe sealing gate valve is needed to improve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strenghthened type bellows sealing gate valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a reinforced corrugated pipe sealing gate valve comprises a valve body, a valve clack, a valve rod, a corrugated pipe, a valve cover, a packing gland, a valve rod nut and a hand wheel, wherein a circulation cavity is arranged inside the valve body, the top center of the valve body is provided with the valve clack which extends to the circulation cavity through the valve rod, the top of the valve body is provided with the valve cover through a bolt, the top end of the bolt sequentially penetrates through the valve body and the top of the valve cover to be provided with the nut, a gasket is arranged between the top of the valve body and the bottom of the valve cover, the valve rod is provided with the corrugated pipe in an inner sleeve which is positioned on the valve cover, the two sides of the top of the valve cover are provided with the packing gland through a locking assembly, the packing is arranged inside the top end of the packing gland close to the periphery of the valve rod, the packing gland is, and a hand wheel is arranged at the top end of the valve rod nut.
Preferably, the valve rod is provided with a limiting clamping seat at the bottom end of the corrugated pipe.
Preferably, a fixed chuck is clamped at the top of the valve cover, and the bottom of the fixed chuck is fixedly connected to the top of the corrugated pipe.
Preferably, the two sides of the sealing packing pressing sleeve are provided with connecting screws, and the top ends of the connecting screws penetrate through the top of the packing pressing cover and are provided with connecting nuts.
Preferably, the locking assembly is formed by a locking bolt and a locking nut.
Preferably, a valve rod hole is formed in the center of the top of the packing gland, and the size of the valve rod hole is matched with that of the valve rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the valve rod which is installed through the valve body and the valve cover is sleeved with the installed corrugated pipe at the top of the limit clamping seat, the top of the valve cover is matched with the sealing filler pressing sleeve which is installed through the locking component, the filler is filled by pressing the inside of the top end of the sealing filler pressing sleeve close to the periphery of the valve rod, and the two sides of the sealing filler pressing sleeve are provided with the connecting screw rods, the top of the connecting screw rod which is communicated with the filler gland is provided with the connecting nut for tightly pressing and installing the sealing filler, so that the whole structure has the double reinforced sealing structure of the corrugated pipe and the filler, the strong leak-free use of the sealing performance of the valve rod is ensured, simultaneously, the valve body and the valve cover which are assembled through the bolt matched nut, the sealing filler pressing sleeve and the filler gland which are assembled through the connecting screw rod matched with the connecting nut, and the valve cover and the sealing filler pressing sleeve which are assembled through the locking component, and the threaded connection structure is adopted for facilitating the disassembly and assembly, regular overhaul changes inside seal element and uses, and simple structure and adoption threaded connection structure are convenient for carry out dismouting regular overhaul and change inside seal element and guarantee the sealed usability of gate valve, have the bellows and fill dual seal structure of strengthening, ensure that the leakproofness of valve rod department is strong, the non-leakage use of the gate valve of being convenient for.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
fig. 3 is a schematic structural view of the utility model a-1.
In the figure: 1. a valve body; 101. a flow-through chamber; 2. a valve flap; 3. a valve stem; 4. a bellows; 5. A bolt; 6. a nut; 7. a gasket; 8. a valve cover; 801. pressing a sealing filler sleeve; 802. a locking assembly; 9. a filler; 10. a packing gland; 11. a valve stem nut; 12. a handwheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a reinforced corrugated pipe sealing gate valve comprises a valve body 1, a valve clack 2, a valve rod 3, a corrugated pipe 4, a valve cover 8, a packing gland 10, a valve rod nut 11 and a hand wheel 12, wherein a circulation cavity 101 is arranged inside the valve body 1, the valve clack 2 is arranged inside the top center of the valve body 1 and extends to the circulation cavity 101 through the valve rod 3, the valve cover 8 is arranged at the top of the valve body 1 through a bolt 5, a nut 6 is arranged at the top of the bolt 5 sequentially penetrating through the valve body 1 and the top of the valve cover 8, a gasket 7 is arranged between the top of the valve body 1 and the bottom of the valve cover 8, the corrugated pipe 4 is sleeved inside the valve rod 3 and is arranged, a limiting clamping seat is arranged at the bottom end of the corrugated pipe 4 on the valve rod 3, a fixing chuck is clamped at the top of the valve cover 8, the bottom of the fixing chuck is fixedly connected to the top of the corrugated pipe 4, and the packing gland 801 is arranged on two sides of the top of the valve cover 8 through a locking assembly 802, connecting screw rods are arranged on two sides of a sealing packing pressing sleeve 801, a connecting nut is arranged at the top end of the connecting screw rod and penetrates through the top of a packing gland 10, a locking assembly 802 is composed of a locking bolt and a locking nut, packing 9 is arranged inside the top end of the sealing packing pressing sleeve 801 and is close to the periphery of a valve rod 3, the packing gland 10 is sleeved on the valve rod 3 positioned on the top of the sealing packing pressing sleeve 801, a valve rod hole is formed in the center of the top of the packing gland 10, the valve rod 3 is installed in a size matched mode through the valve rod hole, a valve rod nut 11 is arranged at the top end of the valve rod 3 and penetrates through the top of the packing gland 10, a hand wheel 12 is arranged at the top end of the valve rod nut 11, a corrugated pipe 4 sleeved on the top of a limiting clamping seat is arranged on the valve rod 3 penetrating through the valve body 1 and the valve cover 8, the sealing packing pressing sleeve 801 installed through the locking assembly 802 is matched with the top of the valve cover 8, and the packing 9 is filled on the periphery of the valve rod 3 inside the top end of the sealing packing pressing sleeve 801, connecting screws are arranged on two sides of a sealing packing pressing sleeve 801, a connecting nut is arranged at the top end of the connecting screw and penetrates through the top of a packing gland 10 to carry out pressing installation on sealing packing 9, so that the integral structure has a corrugated pipe and packing double reinforced sealing structure, the strong leak-free use of the sealing performance of the valve rod 3 is ensured, meanwhile, a valve body 1 and a valve cover 8 assembled by a bolt 5 and a nut 6, a sealing packing pressing sleeve 801 and a packing gland 10 assembled by a connecting screw and a connecting nut, and a valve cover 8 and a sealing packing pressing sleeve 801 assembled by a locking assembly 802 are both assembled by adopting a threaded connecting structure to be convenient to disassemble and assemble, the regular maintenance and replacement of internal sealing elements are carried out, the integral structure is simple, the threaded connecting structure is adopted to facilitate the disassembly and the regular maintenance and replacement of the internal sealing elements to ensure the sealing usability of the gate valve, and the corrugated pipe and packing double reinforced sealing structure is provided, the high-pressure valve has the advantages that the high-pressure valve rod is ensured to have high sealing performance, the leakage-free use of the gate valve is facilitated, the stability and the practicability are high, and certain popularization value is realized.
The utility model discloses work flow: when in use, the corrugated pipe 4 is sleeved and installed on the top of the limiting clamping seat on the valve rod 3 which is installed between the valve body 1 and the valve cover 8 in a penetrating way, the sealing packing pressing sleeve 801 which is installed through the locking component 802 is matched with the top of the valve cover 8, the packing 9 is filled on the periphery of the valve rod 3 through the inside of the top end of the sealing packing pressing sleeve 801, the connecting screws are arranged on two sides of the sealing packing pressing sleeve 801, and the connecting nuts are installed on the top end of the connecting screws through the packing gland 10 to carry out the pressing and installing of the packing 9, so that the integral structure has the corrugated pipe and packing double-reinforced sealing structure, the strong sealing performance and the leakage-free use at the position of the valve rod 3 are ensured, meanwhile, the valve body 1 and the valve cover 8 which are assembled through the bolts 5 and the nuts 6, the sealing packing pressing sleeve 801 and the packing gland 10 which are assembled through the connecting screws and the connecting nuts, and the valve cover 8 and the sealing packing pressing sleeve 801 through the locking component 802, all adopt threaded connection structure to be convenient for carry out the dismouting, the inside sealing element of periodic overhaul change uses, and the overall device simple structure adopts threaded connection structure to be convenient for carry out the dismouting periodic overhaul change inside sealing element and guarantees the sealed usability of gate valve, has the dual enhancement seal structure of bellows and filler, ensures that the leakproofness of valve rod department is strong, and the leak-free use and the stability and the practicality of the gate valve of being convenient for are higher, have certain spreading value.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a strenghthened type bellows sealing gate valve, includes valve body (1), valve clack (2), valve rod (3), bellows (4), valve gap (8), gland (10) and valve-stem nut (11) and hand wheel (12), its characterized in that: the valve comprises a valve body (1), a circulation cavity (101) is arranged inside the valve body (1), a valve clack (2) is arranged in the top center of the valve body (1) and extends to the circulation cavity (101) through a valve rod (3), a valve cover (8) is installed at the top of the valve body (1) through a bolt (5), a nut (6) is installed at the top of the valve body (1) and the top of the valve cover (8) through the top of the bolt (5) in sequence, a gasket (7) is installed between the top of the valve body (1) and the bottom of the valve cover (8), a corrugated pipe (4) is installed on the valve rod (3) in an internal sleeve of the valve cover (8), a sealing packing pressing sleeve (801) is installed on two sides of the top of the valve cover (8) through a locking assembly (802), packing (9) is arranged on the periphery of the valve rod (3) in the top of the sealing packing pressing sleeve (801), and a gland packing (10) is installed on the valve rod (3) in a sleeving manner, and a valve rod nut (11) is installed at the top end of the valve rod (3) penetrating through the top of the packing gland (10), and a hand wheel (12) is installed at the top end of the valve rod nut (11).
2. The reinforced bellows seal gate valve of claim 1, wherein: and a limiting clamping seat is arranged at the bottom end of the corrugated pipe (4) on the valve rod (3).
3. The reinforced bellows seal gate valve of claim 1, wherein: the top of the valve cover (8) is clamped with a fixed chuck, and the bottom of the fixed chuck is fixedly connected with the top of the corrugated pipe (4).
4. The reinforced bellows seal gate valve of claim 1, wherein: and connecting screws are arranged on two sides of the sealing packing pressing sleeve (801), and connecting nuts are arranged at the top ends of the connecting screws in a penetrating mode on the top of the packing pressing cover (10).
5. The reinforced bellows seal gate valve of claim 1, wherein: the locking assembly (802) is formed by a locking bolt and a locking nut.
6. The reinforced bellows seal gate valve of claim 1, wherein: and a valve rod hole is formed in the center of the top of the packing gland (10), and the size of the valve rod hole is matched with that of the valve rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120028151.3U CN213954513U (en) | 2021-01-07 | 2021-01-07 | Reinforced corrugated pipe sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120028151.3U CN213954513U (en) | 2021-01-07 | 2021-01-07 | Reinforced corrugated pipe sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213954513U true CN213954513U (en) | 2021-08-13 |
Family
ID=77197667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120028151.3U Active CN213954513U (en) | 2021-01-07 | 2021-01-07 | Reinforced corrugated pipe sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213954513U (en) |
-
2021
- 2021-01-07 CN CN202120028151.3U patent/CN213954513U/en active Active
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