CN218000420U - Two-way replacement type three-rod valve capable of being locked manually - Google Patents
Two-way replacement type three-rod valve capable of being locked manually Download PDFInfo
- Publication number
- CN218000420U CN218000420U CN202221922449.XU CN202221922449U CN218000420U CN 218000420 U CN218000420 U CN 218000420U CN 202221922449 U CN202221922449 U CN 202221922449U CN 218000420 U CN218000420 U CN 218000420U
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- valve
- packing
- valve rod
- locking
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Abstract
The utility model provides a three pole valves of two-way replacement type that can manual locking, it can carry out manual locking through manual locking mechanism to the valve when needs, makes it keep opening/closed state, and the security is good, can also change the installation direction of the mechanism at valve rod both ends, convenient to use according to the on-the-spot space simultaneously. It includes main valve portion, drive mechanism and drive division, and main valve portion includes valve body, valve rod, disk seat and valve plate, and valve rod one end is stretched out the valve body and can be dismantled with the drive division and be connected, drives valve rod, drive mechanism and valve plate through the drive division in proper order and rotate, and the valve rod other end stretches out the valve body and can dismantle and be connected with manual locking mechanism, and the both ends at the valve rod are installed to drive division and manual locking mechanism symmetry, and manual locking mechanism includes connecting plate, lock round pin, lock board.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a three pole valves of two-way replacement type that can manual locking.
Background
The three-rod valve is a molecular sieve switching butterfly valve widely applied to the industrial fields of air separation and the like, and along with the continuous large-scale air separation equipment, a series of requirements of long-period operation, maintenance-free operation, molecular sieve punching machine prevention and the like are provided for a molecular sieve purification system in the three-rod valve except for the requirements of good valve sealing performance and high operation reliability.
The existing three-rod valve is a novel three-rod valve provided by the publication No. CN216279423U, and comprises a main valve part, a transmission mechanism and a driving part, wherein the main valve part comprises a valve body, a valve rod, a valve seat and a valve plate, the valve seat and the valve rod are respectively installed on the valve body, the valve plate is contacted with the valve seat to realize sealing and close a pipeline, the valve plate is sequentially connected with the transmission mechanism, the valve rod and the driving part, the driving part drives the valve rod to rotate, and the valve rod drives the transmission mechanism to rotate, so that the transmission mechanism can enable the valve plate to be separated from the valve seat to realize opening of the pipeline.
SUMMERY OF THE UTILITY MODEL
There is the problem of potential safety hazard to traditional three-rod valve when overhauing, the utility model provides a three-rod valve of two-way replacement type that can manual locking, it can carry out manual locking to the valve through manual locking mechanism when needs, makes it keep opening/closed state, and the security is good, can also change the installation direction of the mechanism at valve rod both ends according to the on-the-spot space simultaneously, convenient to use.
The technical scheme is as follows: the utility model provides a three pole valves of two-way replacement type that can manual locking, its includes main valve portion, drive mechanism and drive division, main valve portion includes valve body, valve rod, disk seat and valve plate, the valve plate with drive mechanism connects, drive mechanism with the valve rod middle part is connected, valve rod one end is stretched out the valve body with the connection can be dismantled to the drive division, through drive division drives valve rod, drive mechanism and valve plate in proper order and rotates its characterized in that: the manual locking mechanism comprises a connecting plate, a locking pin and a locking plate, one side of the locking plate is connected with the valve body, a first locking hole is formed in the other side of the locking plate, the connecting plate is connected with the valve rod and rotates along with the valve rod, a second locking hole is formed in the connecting plate, when the connecting plate rotates for a certain angle, the first locking hole and the second locking hole coincide, and the locking pin is used for being inserted into the first locking hole and the second locking hole simultaneously.
It is further characterized in that:
two ends of the valve rod respectively penetrate through the packing structure to extend out of the valve body and are respectively detachably connected with the manual locking mechanism and the driving part;
the packing structure comprises a packing cylinder, packing and a packing gland which are connected with the valve body, the valve rod penetrates through the packing cylinder, a packing gap with one closed end and one open end is arranged between the valve rod and the packing cylinder, the packing gap is used for placing the packing, and the packing gland is connected with the packing cylinder and compresses the packing;
the locking plate is mounted on the stuffing cylinder;
the bottom of the locking pin is provided with threads, and the locking pin is in threaded connection with the locking hole.
Has the advantages that: thereby the drive division rotates through the control valve pole and drives drive mechanism, the valve plate rotates the switching that realizes the valve plate, when needs are maintained the valve, because the connecting plate can rotate along with the valve rod, through making the connecting plate rotate certain angle make its locking hole two with fix the locking hole on the locking plate after the coincidence put into the locking round pin, just so can prevent the further rotation of valve rod, thereby the security is better when maintaining the valve, and simultaneously, thereby the manual locking mechanism at valve rod both ends and the position two-way replacement of drive division can be interchanged according to the on-the-spot space, and then change its installation direction, and convenient to use.
Drawings
FIG. 1 is a schematic structural view (partially cut away) of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic view of a latch plate;
fig. 5 is a schematic view of a connection plate structure.
Detailed Description
As shown in fig. 1-3, a two-way replacement type three-rod valve capable of being manually locked includes a main valve portion 1, a transmission mechanism 2 and a driving portion 3, the main valve portion 1 includes a valve body 11, a valve rod 12, a valve seat 13 and a valve plate 14, the valve plate 14 is connected to the transmission mechanism 2, the transmission mechanism 2 is connected to the middle of the valve rod 12 through a key connection so as to transmit torque, one end of the valve rod 12 extends out of the valve body 11 and is connected to the driving portion 3, the valve rod 12, the transmission mechanism 2 and the valve plate 14 are sequentially driven by the driving portion 3 to rotate so as to open and close the valve, the other end of the valve rod 12 extends out of the valve body 11 and is connected to a locking mechanism 4, the manual locking mechanism 4 includes a connecting plate 41, a locking pin 42 and a locking plate 43, in combination with fig. 4, one side of the locking plate 43 is connected to the valve body 11 through a locking hole 431 and a bolt, the other side of the locking plate 43 is provided with a locking hole 432, the connecting plate 41 is connected to the valve rod 12 and rotates along with the valve rod, a locking hole two 411 is provided on the connecting plate 41, when the connecting plate 41 rotates by a certain angle, the locking hole 432 coincides with the locking pin 411, the locking plate 42, the locking pin is inserted into the locking hole 411, the locking plate 42, the locking hole 411, and the locking pin 42 can be connected to prevent the locking pin 432, and the locking pin 42 from falling off, and the locking plate 42.
Meanwhile, the driving part 3 and the manual locking mechanism 4 are symmetrically installed at two ends of the valve rod 12, and the left and right symmetrical installation design is adopted, so that the online maintenance of the actuating mechanism is realized, or the installation direction of the actuating mechanism is changed online; specifically, the two ends of the valve rod 12 penetrate through the packing structure 5 respectively to extend out of the valve body 11 and are detachably connected with the manual locking mechanism 4 and the driving part 3 respectively, and the sealing performance of the valve rod when the valve rod extends out of the two ends is guaranteed through the packing structure. Specifically, the packing structure 5 includes a packing cylinder 51 connected to the valve body 11, a packing 52 and a packing gland 53, the valve rod 12 passes through the packing cylinder 51, a packing gap with one end closed and the other end open is provided between the valve rod 12 and the packing cylinder 51, the packing gap is used for placing the packing 52, the packing gland 53 is connected to the packing cylinder 51 and compresses the packing 52, and the locking plate 43 can be directly installed on the packing cylinder 51 for fixing.
During the use, drive division 3 (for example motor) can be dismantled with the one end of valve rod 12 and be connected (for example through shaft coupling, hough section etc. and connect), drive valve rod 12 through drive division 3 and rotate, valve rod 12 middle part is through key-type connection drive mechanism 2 and can drive its rotation, drive mechanism 2 again controls valve plate 14 upset (the dotted line is promptly for upset back valve plate and drive mechanism position in fig. 2), thereby control valve opens and shuts, and because valve rod 12 both ends are equipped with filler structure 5 respectively, can guarantee the leakproofness, valve rod 12 can wear out the valve body respectively like this, drive division 3 just also can install at any one end of valve rod 12 as required, can be according to the on-the-spot space, change actuating mechanism installation direction, and valve rod 12 also can dismantle with manual locking mechanism 4 and be connected, for example can mill the plane at valve rod 12 tip and be connected with the square hole 412 of connecting plate 41, connecting plate 41 cover is established and can transmit the moment of torsion of valve rod 12 through square hole 412 on the valve rod 12, of course can make it can only guarantee to realize transmission moment of torsion through the round pin hub connection that interpenetrates between the two yet, manual locking mechanism 4 also can be as required, so can be convenient for use.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a three pole valves of two-way replacement type that can manual locking, its includes main valve portion, drive mechanism and drive division, main valve portion includes valve body, valve rod, disk seat and valve plate, the valve plate with drive mechanism connects, drive mechanism with the valve rod middle part is connected, valve rod one end is stretched out the valve body with the connection can be dismantled to the drive division, through drive division drives valve rod, drive mechanism and valve plate in proper order and rotates its characterized in that: the manual locking mechanism comprises a connecting plate, a locking pin and a locking plate, one side of the locking plate is connected with the valve body, a first locking hole is formed in the other side of the locking plate, the connecting plate is connected with the valve rod and rotates along with the valve rod, a second locking hole is formed in the connecting plate, when the connecting plate rotates for a certain angle, the first locking hole and the second locking hole coincide, and the locking pin is used for being inserted into the first locking hole and the second locking hole simultaneously.
2. A manually lockable, two-way, displacement, three-stem valve according to claim 1, wherein: and two ends of the valve rod respectively penetrate through the packing structure to extend out of the valve body and are respectively detachably connected with the manual locking mechanism and the driving part.
3. A manually lockable, two-way, displacement, three-stem valve according to claim 2, wherein: the packing structure comprises a packing cylinder, packing and a packing gland, wherein the packing cylinder, the packing and the packing gland are connected with the valve body, the valve rod penetrates through the packing cylinder, a packing gap with one closed end and one open end is arranged between the valve rod and the packing cylinder, the packing gap is used for placing the packing, and the packing gland is connected with the packing cylinder and compresses the packing.
4. A manually lockable, two-way, displacement, three-stem valve according to claim 3, wherein: the locking plate is mounted on the stuffing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221922449.XU CN218000420U (en) | 2022-07-25 | 2022-07-25 | Two-way replacement type three-rod valve capable of being locked manually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221922449.XU CN218000420U (en) | 2022-07-25 | 2022-07-25 | Two-way replacement type three-rod valve capable of being locked manually |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218000420U true CN218000420U (en) | 2022-12-09 |
Family
ID=84316868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221922449.XU Active CN218000420U (en) | 2022-07-25 | 2022-07-25 | Two-way replacement type three-rod valve capable of being locked manually |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218000420U (en) |
-
2022
- 2022-07-25 CN CN202221922449.XU patent/CN218000420U/en active Active
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