CN212203350U - Corrugated pipe forged steel valve - Google Patents
Corrugated pipe forged steel valve Download PDFInfo
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- CN212203350U CN212203350U CN202020831658.8U CN202020831658U CN212203350U CN 212203350 U CN212203350 U CN 212203350U CN 202020831658 U CN202020831658 U CN 202020831658U CN 212203350 U CN212203350 U CN 212203350U
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- bellows
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Abstract
The utility model relates to a bellows forging steel valve, which comprises a valve body, the valve gap, valve rod and valve clack, valve gap fixed connection is on the valve body, the one end setting of valve rod is in the valve body, the other end of valve rod runs through and stretches out the valve gap, be equipped with filler sealing mechanism between valve rod and the valve gap, but the valve rod oscilaltion sets up, be equipped with the actuating mechanism who is used for driving the valve rod lift on the valve gap, be equipped with the bellows in the valve body, the upper end of bellows is fixed or integrative to be provided with the baffle, the lower extreme of bellows overcoat is provided with down the baffle, the valve rod is being close to baffle department down and is equipped with the shoulder rank, the lower extreme of baffle and the up end seal welding of shoulder rank down, the up end department of valve body is equipped with the recess, go up the baffle and. By adopting the above scheme, the utility model overcomes the not enough of prior art existence provides a bellows steel forging valve door, and its sealing performance is good, simple structure.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a bellows forging steel valve.
Background
At present, a plurality of valves are available on the market, and a stop valve is a common valve and can be used for controlling the circulation of various flowing media such as gas, liquid and the like.
The general stop valve includes valve body, valve gap, valve rod and valve clack, is equipped with sealing filler between valve gap and the valve rod for sealed to the medium, because the valve rod is at the in-process of going up and down, the valve rod slides relative sealing filler, and the valve rod is at the in-process that promotes, and the medium can outwards permeate, and sealing performance is poor.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a bellows forging steel valve, and its sealing performance is good, simple structure.
In order to realize the purpose, the utility model discloses a technical scheme is: a corrugated pipe forged steel valve comprises a valve body, a valve cover, a valve rod and a valve clack, wherein an inlet and an outlet are formed in the valve body, a channel for conducting the inlet and the outlet is formed in the valve body, the valve clack is arranged at the lower end of the valve rod, the valve clack can be in sealing fit with the channel, the valve cover is fixedly connected to the valve body, one end of the valve rod is arranged in the valve body, the other end of the valve rod penetrates through the valve cover and extends out of the valve cover, a packing sealing mechanism is arranged between the valve rod and the valve cover, the valve rod can be arranged in a vertically lifting mode, a driving mechanism for driving the valve rod to lift is arranged on the valve cover, a corrugated pipe is arranged in the valve body, an upper partition plate is fixedly or integrally arranged at the upper end of the corrugated pipe, a lower partition plate is fixedly or integrally arranged at, the upper clapboard is arranged in the groove, a sealing ring is arranged between the upper clapboard and the bottom surface of the groove, and the valve cover can be arranged by abutting against the upper clapboard.
By adopting the scheme, the upper and lower position relations in the text are as follows: one side of valve gap is the top, one side of valve body is the below, the valve gap passes through the structural connection of bolt and nut on the valve body, the bellows can stretch out and draw back the deformation, the bellows, go up baffle and lower baffle cooperation, can keep apart medium and valve rod, it compresses tightly the location installation that realizes going up the baffle by valve gap and valve body to go up the baffle, it is made by the steel with lower baffle to go up the baffle, it can bear great medium pressure with lower baffle to go up the baffle, can press the sealing washer simultaneously and establish on the bottom surface of recess, sealing performance is good, moreover, the steam generator is simple in structure.
The utility model discloses a further setting is: the lower end face of the upper partition board is provided with an annular groove, the sealing ring is clamped in the annular groove, the lower end face of the valve cover is provided with a contact block, when the valve cover is arranged on the valve body, the contact block can be inserted into the groove, and the lower end face of the contact block is arranged on the upper end face of the upper partition board in a supporting mode.
Through adopting above-mentioned scheme, the ring channel is located to the sealing washer card, and the installation is stable, and the valve gap passes through the bolt and the nut is fixed on the valve body, and the touch multitouch of valve gap can support and press the baffle, goes up the baffle and supports the sealing washer on the bottom surface of recess again, can realize going up the sealed of baffle and valve body, simple structure, simple to operate.
The utility model discloses a further setting is: the valve clack is provided with a sealing sleeve, the outer side surface of the sealing sleeve is arranged in a conical surface mode, the inner side surface of the channel is arranged in a conical surface mode, and the sealing sleeve is in sealing fit with the channel through a conical surface fit structure.
By adopting the scheme, the sealing sleeve is clamped on the valve clack, the valve rod moves up and down, the sealing sleeve on the valve clack can be driven to open or close the channel, and when the valve is closed, the conical surface of the sealing sleeve and the conical surface of the channel are mutually attached, so that the sealing is reliable.
The utility model discloses a further setting is: the driving mechanism comprises a valve rod nut and a hand wheel, the valve rod nut is rotatably arranged on the valve cover, the valve rod penetrates through the valve rod nut, the valve rod nut is in threaded fit with the valve rod, and the hand wheel is connected to the valve rod nut in a linkage mode.
Through adopting above-mentioned scheme, valve-stem nut can only rotate and can not reciprocate, and the valve rod can only reciprocate and can not rotate, and the hand wheel rotation drives valve-stem nut and rotates, and valve-stem nut drives the valve rod through the screw thread and reciprocates, simple structure, convenient operation.
The utility model discloses a further setting is: the packing sealing mechanism comprises packing, a packing pressing sleeve, a packing gland, a locking bolt and a locking nut, the packing cavity is arranged on the valve cover, the packing is arranged in the packing cavity, the packing pressing sleeve and the packing gland are respectively sleeved on the valve rod in an externally sleeved mode, the packing pressing sleeve is pressed on the packing, the packing pressing cover is pressed on the packing pressing sleeve, the lower end of the locking bolt is movably arranged on the valve cover, the upper end of the locking bolt penetrates through the packing gland and is screwed with the locking nut, the locking nut is screwed, and the packing is pressed tightly by the locking nut pressing the packing gland.
By adopting the scheme, the filler plays a role in sealing, and once the corrugated pipe is damaged, the filler can effectively plug the medium and cannot leak.
The present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion B of fig. 1.
Detailed Description
As shown in fig. 1-3, a corrugated pipe forged steel valve comprises a valve body 1, a valve cover 2, a valve rod 3 and a valve flap 41, wherein the valve body 1 is provided with an inlet 11 and an outlet 12, the valve body 1 is provided with a channel 13 for communicating the inlet 11 with the outlet 12, the valve flap 41 is fixedly or integrally arranged at the lower end of the valve rod 3, the valve flap 41 can be in sealing fit with the channel 13, the valve cover 2 is fixedly connected to the valve body 1 through a bolt and nut structure, one end of the valve rod 3 is arranged in the valve body 1, the other end of the valve rod 3 penetrates through and extends out of the valve cover 2, a packing sealing mechanism is arranged between the valve rod 3 and the valve cover 2, the valve rod 3 can be vertically lifted, the valve cover 2 is provided with a driving mechanism for driving the lifting of the valve rod 3, the valve body 1 is provided with a corrugated pipe 10, the upper, the corrugated pipe 10 is sleeved outside the valve rod 3, a shoulder 31 is arranged at the position, close to the lower partition plate 6, of the valve rod 3, the lower end of the lower partition plate 6 is in sealing welding with the upper end face of the shoulder 31, a groove 14 is arranged at the upper end face of the valve body 1, the upper partition plate 5 is arranged in the groove 14, a sealing ring 7 is arranged between the upper partition plate 5 and the bottom face of the groove 14, and the valve cover 2 can be arranged in a mode of abutting against the upper partition plate 5. The upper and lower position relations in the text are as follows: one side of the valve cover is an upper side, and one side of the valve body is a lower side.
In this embodiment, an annular groove 51 is formed in the lower end surface of the upper partition plate 5, the seal ring 7 is clamped in the annular groove 51, the lower end surface of the bonnet 2 is integrally provided with a contact block 21, when the bonnet 2 is placed on the valve body 1, the contact block 21 can be inserted into the groove 14, and the lower end surface of the contact block 21 abuts against the upper end surface of the upper partition plate 5.
In this embodiment, a sealing sleeve 42 is coupled to the valve flap 41, an outer side surface of the sealing sleeve 42 is disposed in a conical surface, an inner side surface of the passage 13 is disposed in a conical surface, and when the valve is closed, the conical surface of the sealing sleeve 42 and the conical surface of the passage 13 are attached to each other to achieve a sealing fit.
In this embodiment, the driving mechanism includes a stem nut 81 and a hand wheel 82, the stem nut 81 rotates and sets up on the bonnet 2, the valve rod 3 is arranged through the stem nut 81, the stem nut 81 is in threaded fit with the valve rod 3, and the hand wheel 82 is linked and connected on the stem nut 81.
In this embodiment, the packing sealing mechanism includes a packing 91, a packing pressing sleeve 92, a packing gland 93, a locking bolt 94 and a locking nut 95, a packing cavity 22 is provided on the valve cover 2, the packing 91 is disposed in the packing cavity 22, the packing pressing sleeve 92 and the packing gland 93 are respectively sleeved on the valve rod 3, the packing pressing sleeve 92 is pressed on the packing 91, the packing gland 93 is pressed on the packing pressing sleeve 92, the lower end of the locking bolt 94 is movably disposed on the valve cover 2, the movable structure can be matched through a pin shaft and an open pin, the upper end of the locking bolt 94 passes through the packing gland 92 and is screwed with the locking nut 95, the locking nut 95 is screwed, and the packing gland 93 is pressed down by the locking nut 95 to compress the packing 91.
The above embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a bellows steel forging valve, includes valve body, valve gap, valve rod and valve clack, be equipped with import and export on the valve body, be equipped with the passageway that is used for switching on import and export in the valve body, the valve clack sets up the lower extreme at the valve rod, the valve clack can with the sealed cooperation of passageway, valve gap fixed connection is on the valve body, the one end setting of valve rod is in the valve body, the other end of valve rod runs through and stretches out the valve gap, be equipped with packing sealing mechanism between valve rod and the valve gap, but the valve rod oscilaltion sets up, is equipped with the actuating mechanism: the valve comprises a valve body and is characterized in that a corrugated pipe is arranged in the valve body, an upper partition plate is fixedly or integrally arranged at the upper end of the corrugated pipe, a lower partition plate is fixedly or integrally arranged at the lower end of the corrugated pipe, the corrugated pipe is sleeved outside a valve rod, a shoulder step is arranged at the position, close to the lower partition plate, of the valve rod, the lower end of the lower partition plate is in seal welding with the upper end face of the shoulder step, a groove is arranged at the upper end face of the valve body, the upper partition plate is arranged in the groove, a sealing ring.
2. A bellows forged steel valve according to claim 1, wherein: the lower end face of the upper partition board is provided with an annular groove, the sealing ring is clamped in the annular groove, the lower end face of the valve cover is provided with a contact block, when the valve cover is arranged on the valve body, the contact block can be inserted into the groove, and the lower end face of the contact block is arranged on the upper end face of the upper partition board in a supporting mode.
3. A bellows forged steel valve according to claim 1 or 2, wherein: the valve clack is provided with a sealing sleeve, the outer side surface of the sealing sleeve is arranged in a conical surface mode, the inner side surface of the channel is arranged in a conical surface mode, and the sealing sleeve is in sealing fit with the channel through a conical surface fit structure.
4. A bellows forged steel valve according to claim 1 or 2, wherein: the driving mechanism comprises a valve rod nut and a hand wheel, the valve rod nut is rotatably arranged on the valve cover, the valve rod penetrates through the valve rod nut, the valve rod nut is in threaded fit with the valve rod, and the hand wheel is connected to the valve rod nut in a linkage mode.
5. A bellows forged steel valve according to claim 1 or 2, wherein: the packing sealing mechanism comprises packing, a packing pressing sleeve, a packing gland, a locking bolt and a locking nut, the packing cavity is arranged on the valve cover, the packing is arranged in the packing cavity, the packing pressing sleeve and the packing gland are respectively sleeved on the valve rod in an externally sleeved mode, the packing pressing sleeve is pressed on the packing, the packing pressing cover is pressed on the packing pressing sleeve, the lower end of the locking bolt is movably arranged on the valve cover, the upper end of the locking bolt penetrates through the packing gland and is screwed with the locking nut, the locking nut is screwed, and the packing is pressed tightly by the locking nut pressing the packing gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831658.8U CN212203350U (en) | 2020-05-18 | 2020-05-18 | Corrugated pipe forged steel valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020831658.8U CN212203350U (en) | 2020-05-18 | 2020-05-18 | Corrugated pipe forged steel valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203350U true CN212203350U (en) | 2020-12-22 |
Family
ID=73816645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020831658.8U Active CN212203350U (en) | 2020-05-18 | 2020-05-18 | Corrugated pipe forged steel valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203350U (en) |
-
2020
- 2020-05-18 CN CN202020831658.8U patent/CN212203350U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |