CN219549642U - Electric explosion-proof closed gate valve - Google Patents
Electric explosion-proof closed gate valve Download PDFInfo
- Publication number
- CN219549642U CN219549642U CN202223605794.3U CN202223605794U CN219549642U CN 219549642 U CN219549642 U CN 219549642U CN 202223605794 U CN202223605794 U CN 202223605794U CN 219549642 U CN219549642 U CN 219549642U
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- Prior art keywords
- valve
- gear ring
- transmission
- closed gate
- electric explosion
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the field of electric explosion-proof closed gate valves, in particular to an electric explosion-proof closed gate valve which comprises a valve box, a valve plate, a transmission gear ring and a screw transmission screw rod; the valve plate is arranged at the opening of the valve box; the transmission gear ring is rotationally connected with the valve box, and the spiral transmission screw rod is axially and slidably connected with the valve box; the four or more screw driving screws are arranged at intervals along the circumferential direction of the driving gear ring, the four or more screw driving screws are meshed with the driving gear ring at the same time, and the four or more screw driving screws are connected with the valve plate in a rotating mode at the same time. The electric explosion-proof closed gate valve provided by the utility model has the advantages of large clamping force, good self-locking performance and reliable sealing, and the device has long service life, stable operation, high reliability, difficult clamping stagnation, low failure rate, no dust accumulation in a transmission mode and capability of ensuring that the valve can still work normally in a severe environment with high dust environment and poor lubrication condition.
Description
Technical Field
The utility model relates to the field of electric explosion-proof closed gate valves, in particular to an electric explosion-proof closed gate valve.
Background
The electric explosion-proof closed gate valve is a closed gate valve for large-caliber pipeline to convey gas, especially for isolating combustible gas, and is composed of valve box and valve plate formed from main valve box body and auxiliary valve box body, top-opening device with synchronous transmission mechanism and idle stroke, and traversing device connected/separated by clutch and traversing driving device. The valve has the advantages that the stress of the corrugated compensator is uniform in the working process, the failure rate is low, the service life is long, the valve plate is stable in running and small in driving power, and the reliability of the valve can be tested under the condition that the normal on-off of a pipeline is not influenced. Most of gate valves supplied in the current market are closed structures driven by chains, and the gate valves with the structures are poor in stability, easy to clamp and high in failure rate due to the fact that working environments are poor in dust content and poor in lubrication condition.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the electric explosion-proof closed gate valve with good stability, difficult clamping stagnation and low failure rate.
In order to solve the technical problems, the utility model adopts the following technical scheme: an electric explosion-proof closed gate valve comprises a valve box, a valve plate, a transmission gear ring and a screw transmission screw rod;
the valve plate is arranged at the opening of the valve box;
the transmission gear ring is rotationally connected with the valve box, and the spiral transmission screw rod is axially and slidably connected with the valve box;
the four or more screw driving screws are arranged at intervals along the circumferential direction of the driving gear ring, the four or more screw driving screws are meshed with the driving gear ring at the same time, and the four or more screw driving screws are connected with the valve plate in a rotating mode at the same time.
Further, the valve box comprises a driving motor, wherein the driving motor is arranged on the valve box and is used for driving the transmission gear ring to rotate.
Further, the driving motor is meshed with the transmission gear ring through a transmission gear.
Further, the valve box is provided with a guide rack, and the valve plate is provided with a gear meshed with the guide rack.
Further, the valve box is provided with a rotary supporting roller, and the rotary supporting roller is used for rolling and supporting the valve plate.
The utility model has the beneficial effects that: the electric explosion-proof closed gate valve adopts large gear ring type transmission to drive a plurality of groups of screw transmission screw rods to synchronously close valve plates, realizes multi-point synchronous clamping, can ensure constant transmission ratio, has the advantages of large clamping force, good self-locking performance and reliable sealing, and has long service life, stable work and high reliability. Compared with the traditional method for controlling the movement of the flashboard by adopting the gear chain transmission mechanism, the valve has the advantages of good stability, difficult clamping stagnation, low failure rate, no dust accumulation in the transmission mode and capability of ensuring that the valve can still work normally in a severe environment with high dust environment and poor lubrication condition.
Drawings
FIG. 1 is a front view of an electric explosion-proof closed gate valve according to an embodiment of the present utility model;
description of the reference numerals:
1. a valve box; 2. a valve plate; 3. a transmission gear ring; 4. screw drive lead screw; 5. a transmission gear.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides an electric explosion-proof closed gate valve which is suitable for partition equipment for conveying gas, particularly combustible gas, through a large-caliber pipeline.
Referring to fig. 1, the utility model discloses an electric explosion-proof closed gate valve, which comprises a valve box 1, a valve plate 2, a transmission gear ring 3 and a screw transmission screw 4;
the valve plate 2 is arranged at the opening of the valve box 1;
the transmission gear ring 3 is rotationally connected with the valve box 1, and the spiral transmission screw 4 is axially and slidably connected with the valve box 1;
four or more screw driving lead screws 4 are arranged at intervals along the circumferential direction of the driving gear ring 3, the four or more screw driving lead screws 4 are meshed with the driving gear ring 3 at the same time, and the four or more screw driving lead screws 4 are connected with the valve plate 2 in a rotating way at the same time.
From the above description, the beneficial effects of the utility model are as follows: the electric explosion-proof closed gate valve adopts large gear ring type transmission to drive a plurality of groups of screw transmission screw rods 4 to synchronously close valve plates 2, realizes multi-point synchronous clamping, can ensure constant transmission ratio, has the advantages of large clamping force, good self-locking performance and reliable sealing, and has long service life, stable work and high reliability. Compared with the traditional method for controlling the movement of the flashboard by adopting the gear chain transmission mechanism, the valve has the advantages of good stability, difficult clamping stagnation, low failure rate, no dust accumulation in the transmission mode and capability of ensuring that the valve can still work normally in a severe environment with high dust environment and poor lubrication condition.
In an alternative embodiment, a drive motor is also included, which is provided on the valve housing 1 and is used to drive the transmission gear ring 3 in rotation.
As is apparent from the above description, the driving motor is used to drive the rotation of the driving ring gear 3 to control the movement speed of the valve plate 2.
In an alternative embodiment, the drive motor is engaged with the drive ring gear 3 via a drive gear 5.
From the above description, the motor drives the transmission gear ring 3 to rotate through the transmission gear 5, so that the transmission gear ring is stable and reliable, the transmission power is high, the circumferential speed is high, and the transmission power is high.
In an alternative embodiment, the valve housing 1 is provided with a guide rack and the valve plate 2 is provided with a gear wheel which meshes with the guide rack.
From the above description, the precision and stability of the movement of the valve plate 2 are ensured by the cooperation of the guide rack and the guide gear.
In an alternative embodiment, the valve housing 1 is provided with a rotating support roller for rolling support of the valve plate 2.
As is apparent from the above description, the rotation support roller is used to support the valve plate 2, further improving the stability of the component in operation.
The working principle of the utility model is as follows: when in use, the drive motor is used for driving the transmission gear ring 3 to rotate through the transmission gear 5, and the transmission gear ring 3 drives the multiple groups of spiral transmission screw rods 4 to axially move after rotating, so that the valve plate 2 generates a moving trend, and the valve plate 2 moves under the guiding action of the guide rack and the guide gear and the supporting action of the rotating supporting roller.
Referring to fig. 1, a first embodiment of the present utility model is as follows: an electric explosion-proof closed gate valve comprises a valve box 1, a valve plate 2, a transmission gear ring 3 and a spiral transmission screw 4;
the valve plate 2 is arranged at the opening of the valve box 1;
the transmission gear ring 3 is rotationally connected with the valve box 1, and the spiral transmission screw 4 is axially and slidably connected with the valve box 1;
four or more screw driving lead screws 4 are arranged at intervals along the circumferential direction of the driving gear ring 3, the four or more screw driving lead screws 4 are meshed with the driving gear ring 3 at the same time, and the four or more screw driving lead screws 4 are connected with the valve plate 2 in a rotating way at the same time.
The valve box is characterized by further comprising a driving motor, wherein the driving motor is arranged on the valve box 1 and is used for driving the transmission gear ring 3 to rotate. The driving motor is meshed with the transmission gear ring 3 through a transmission gear 5. The valve box 1 is provided with a guide rack, and the valve plate 2 is provided with a gear meshed with the guide rack. The valve box 1 is provided with a rotary supporting roller which is used for rolling and supporting the valve plate 2.
In summary, the utility model provides the electric explosion-proof closed gate valve, which adopts large gear ring transmission to drive a plurality of groups of screw transmission screws to synchronously close the valve plates, realizes multi-point synchronous clamping, can ensure constant transmission ratio, has the advantages of large clamping force, good self-locking performance, reliable sealing, long service life of the device, stable work and high reliability. Compared with the traditional method for controlling the movement of the flashboard by adopting the gear chain transmission mechanism, the valve has the advantages of good stability, difficult clamping stagnation, low failure rate, no dust accumulation in the transmission mode and capability of ensuring that the valve can still work normally in a severe environment with high dust environment and poor lubrication condition.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (5)
1. An electric explosion-proof closed gate valve is characterized by comprising a valve box, a valve plate, a transmission gear ring and a spiral transmission screw; the valve plate is arranged at the opening of the valve box; the transmission gear ring is rotationally connected with the valve box, and the spiral transmission screw rod is axially and slidably connected with the valve box; the four or more screw driving screws are arranged at intervals along the circumferential direction of the driving gear ring, the four or more screw driving screws are meshed with the driving gear ring at the same time, and the four or more screw driving screws are connected with the valve plate in a rotating mode at the same time.
2. The electric explosion-proof closed gate valve according to claim 1, further comprising a driving motor, wherein the driving motor is arranged on the valve box and is used for driving the transmission gear ring to rotate.
3. The electric explosion proof closed gate valve according to claim 2, wherein the drive motor is meshed with the drive gear ring through a drive gear.
4. The electric explosion-proof closed gate valve according to claim 1, wherein the valve housing is provided with a guide rack, and the valve plate is provided with a gear engaged with the guide rack.
5. The electric explosion-proof closed gate valve according to claim 1, wherein the valve housing is provided with a rotary support roller for rolling support of the valve plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223605794.3U CN219549642U (en) | 2022-12-31 | 2022-12-31 | Electric explosion-proof closed gate valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223605794.3U CN219549642U (en) | 2022-12-31 | 2022-12-31 | Electric explosion-proof closed gate valve |
Publications (1)
Publication Number | Publication Date |
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CN219549642U true CN219549642U (en) | 2023-08-18 |
Family
ID=87700249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202223605794.3U Active CN219549642U (en) | 2022-12-31 | 2022-12-31 | Electric explosion-proof closed gate valve |
Country Status (1)
Country | Link |
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CN (1) | CN219549642U (en) |
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2022
- 2022-12-31 CN CN202223605794.3U patent/CN219549642U/en active Active
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