CN219082295U

CN219082295U - Clamping and loosening device of gas blind plate valve

Info

Publication number: CN219082295U
Application number: CN202320165419.7U
Authority: CN
Inventors: 杨卫祥; 张拥政
Original assignee: Shanghai Xintaishan Dedusting Valve Equipment Co ltd
Current assignee: Shanghai Xintaishan Dedusting Valve Equipment Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-05-26
Anticipated expiration: 2033-02-09

Abstract

The utility model belongs to the field of blind plate valves, and discloses a clamping and loosening device for a gas blind plate valve, which is used for solving the problems of complex structure and poor tightness of the conventional blind plate valve during use. The sealing device comprises a vertically arranged sealing plate, wherein a ventilation channel and a sealing channel are arranged in parallel on the side wall of the end part of the sealing plate, a partition plate is arranged in the sealing channel, a first mounting plate and a second mounting plate are arranged at the front end and the rear end of the sealing plate respectively, a sealing groove located on the periphery of the ventilation channel is arranged on the side wall of the sealing plate, a sealing ring is embedded on the side wall of the mounting plate, which is close to the sealing groove, a driving motor for driving the sealing ring to move towards the sealing groove is arranged on the outer wall of the mounting plate, which is far away from the sealing plate, and the sealing ring is in interference fit with the sealing groove. The sealing device has the advantages of simple structure, reasonable design, compact structure and stable operation, ensures that the device has good sealing performance, is simple to operate, ensures the safety of staff, and is convenient for the installation, the disassembly, the maintenance and the replacement of the plugging plate.

Description

Clamping and loosening device of gas blind plate valve

Technical Field

The utility model relates to the technical field of blind plate valves, in particular to a clamping and loosening device of a gas blind plate valve.

Background

The blind plate valve is a gate valve for cutting off gas medium by hand, electric or gas or liquid, and is generally divided into an electric blind plate valve, a liquid-operated blind plate valve, a pneumatic blind plate valve, a closed gate valve and an electric open blind plate valve.

The structure of the existing blind plate valve is complex, when a pipeline valve needs to be checked, maintained and replaced, the blind plate valve needs to be closed to ensure that no leakage exists below a overhauled pipeline, and when the existing blind plate valve is used, the condition that gas leaks from the joints at two ends of a valve plate is likely to exist, so that the damage is brought to staff.

Disclosure of Invention

The utility model aims to solve the problems of complex structure and poor sealing performance of a blind plate valve in the prior art, and provides a clamping and loosening device of a gas blind plate valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a tight loosening means of clamp of blind plate valve of coal gas, includes the shutoff board of vertical setting, and shutoff board front end is the same with the rear end structure, and the tip lateral wall of shutoff board is equipped with parallel arrangement's passageway of ventilating and shutoff passageway, installs the baffle in the shutoff passageway, and the front end and the rear end of shutoff board are equipped with mounting panel one and mounting panel two respectively, the lateral wall of shutoff board is equipped with the peripheral seal groove that is located the passageway of ventilating, and mounting panel one is close to the lateral wall of seal groove and inlays and be equipped with the sealing washer, installs the drive on the outer wall of keeping away from the shutoff board the sealing washer is moved towards the seal groove, sealing washer and seal groove interference fit.

Preferably, the first mounting plate and the second mounting plate have the same structure and are symmetrically arranged on two sides of the plugging plate, gaps are reserved between the first mounting plate and the plugging plate and between the plugging plate and the second mounting plate, the side wall of the first mounting plate, which is close to the sealing groove, is provided with an annular groove, and the sealing ring is slidably connected in the groove and in interference fit with the groove, so that when the first mounting plate is connected with the plugging plate, the space formed by the sealing groove and the groove is in a closed state.

Preferably, the two ends that mounting panel one and mounting panel two keep away from each other are all fixed with the flange, and the bottom of mounting panel one and mounting panel two is fixed with same base, and the top of base is equipped with the slide rail, and the shutoff board radially slides on the slide rail along the passageway of ventilating, guarantees the stability of shutoff board operation in-process, is difficult for the skew.

Preferably, the top of base is fixed with step motor, and step motor's top meshing has the rack, and the one end of rack extends and inlays the bottom of dress in the shutoff board, the rack has two, two the rack symmetry sets up in the slide rail both sides, and step motor drives rack and shutoff board and removes, and occupation space is little, compact structure.

Preferably, the periphery of baffle is equipped with the spacing groove, and spacing groove, sealing washer and seal groove are ring structure, and the degree of depth of spacing groove, the degree of depth of seal groove, the length of sealing washer and the degree of depth of recess increase in proper order, guarantee the device in the use, the seal between mounting panel one, shutoff board and the mounting panel two.

Preferably, the lateral wall of baffle is equipped with three parallel arrangement and is located spacing passageway of same horizontal plane, and the both sides of passageway and shutoff passageway all are equipped with two spacing passageway, spacing passageway internal thread connection has the screw rod, and the screw rod runs through mounting panel one, shutoff board and mounting panel two in proper order, makes the device in the function of using, and mounting panel one, shutoff board and mounting panel two constitute a whole, reduces the probability of taking place relative displacement between the three, has guaranteed the seal of device in the function of using.

The beneficial effects of the utility model are as follows:

1. the structure of the existing blind plate valve is optimized, the device is simple in structure, reasonable in design, compact in structure and stable in operation, deviation between the first mounting plate and the plugging plate and between the plugging plate and the second mounting plate is not easy to occur, and the stability of the device in the use process is guaranteed;

2. one end of the sealing ring is driven by the driving motor to move into the sealing groove through the groove, so that the device has good sealing performance, is simple to operate, is convenient to mount, dismount, maintain and replace the plugging plate, is convenient to use, ensures the safety of staff, and also reduces the operation complexity of the staff.

Drawings

FIG. 1 is a top cross-sectional view of a clamping and unclamping device for a gas blind plate valve according to the present utility model;

FIG. 2 is a perspective view of the joint of the first mounting plate, the plugging plate and the second mounting plate in the clamping and loosening device of the gas blind plate valve;

fig. 3 is a schematic diagram of the position structure of a sealing ring when a sealing plate works in the clamping and loosening device of the gas blind plate valve.

In the figure: 1. a base; 11. a slide rail; 12. a rack; 13. a stepping motor; 2. a first mounting plate; 3. a plugging plate; 31. a vent passage; 32. a partition plate; 33. sealing grooves; 34. a seal ring; 35. a driving motor; 36. a groove; 37. a limiting channel; 38. a limit groove; 4. and a second mounting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a clamping and loosening device of a gas blind plate valve comprises a vertically arranged plugging plate 3, wherein the front end and the rear end of the plugging plate 3 are identical in structure, a ventilation channel 31 and a plugging channel which are arranged in parallel are arranged on the side wall of the end part of the plugging plate 3, a partition plate 32 is arranged in the plugging channel, a first mounting plate 2 and a second mounting plate 4 are respectively arranged at the front end and the rear end of the plugging plate 3, a sealing groove 33 positioned on the periphery of the ventilation channel 31 is arranged on the side wall of the plugging plate 3, a sealing ring 34 is embedded on the side wall, close to the sealing groove 33, of the first mounting plate 2, a driving motor 35 for driving the sealing ring 34 to move towards the sealing groove 33 is arranged on the outer wall, far away from the plugging plate 3, and the sealing ring 34 is in interference fit with the sealing groove 33; the lateral wall of shutoff board 3 is equipped with three parallel arrangement and is located spacing passageway 37 of same horizontal plane, and the both sides of passageway 31 and shutoff passageway all are equipped with two spacing passageways 37, and spacing passageway 37 internal thread connection has the screw rod, and the screw rod runs through mounting panel one 2, shutoff board 3 and mounting panel two 4 in proper order, makes the device in the use function in-process, and mounting panel one 2, shutoff board 3 and mounting panel two 4 constitute an integer, reduces the probability of taking place relative displacement between the three, has guaranteed the seal of device in the use function in-process.

The first mounting plate 2 and the second mounting plate 4 are identical in structure and are symmetrically arranged on two sides of the plugging plate 3, gaps are reserved between the first mounting plate 2 and the plugging plate 3 and between the plugging plate 3 and the second mounting plate 4, annular grooves 36 are formed in the side wall, close to the sealing groove 33, of the first mounting plate 2, the sealing ring 34 is slidably connected in the grooves 36 and in interference fit with the grooves, and when the first mounting plate 2 is connected with the plugging plate 3, the sealing groove 33 and the grooves 36 form a space in a closed state; the periphery of the baffle plate 32 is provided with a limit groove 38, the sealing ring 34 and the sealing groove 33 are of circular ring structures, the depth of the limit groove 38, the depth of the sealing groove 33, the length of the sealing ring 34 and the depth of the groove 36 are sequentially increased, and tightness among the first mounting plate 2, the plugging plate 3 and the second mounting plate 4 is ensured in the using process of the device.

Flanges are fixed at two ends of the first mounting plate 2 and the second mounting plate 4 which are far away from each other, the bottoms of the first mounting plate 2 and the second mounting plate 4 are fixed with the same base 1, a sliding rail 11 is arranged at the top of the base 1, the plugging plate 3 slides on the sliding rail 11 along the radial direction of the ventilation channel 31, the stability of the plugging plate 3 in the running process is ensured, and the plugging plate is not easy to deviate; the top of base 1 is fixed with step motor 13, and step motor 13's top meshing has rack 12, and rack 12's one end extends and inlays the bottom of dress in shutoff board 3, and rack 12 has two, and two racks 12 symmetry set up in slide rail 11 both sides, and step motor 13 drives rack 12 and shutoff board 3 and removes, and occupation space is little, compact structure.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a tight looseness device of clamp of blind plate valve of coal gas, includes the shutoff board (3) of vertical setting, and shutoff board (3) front end is the same with the rear end structure, and the tip lateral wall of shutoff board (3) is equipped with parallel arrangement's ventilation channel (31) and shutoff passageway, installs baffle (32) in the shutoff passageway, and the front end and the rear end of shutoff board (3) are equipped with mounting panel one (2) and mounting panel two (4) respectively, its characterized in that: the side wall of the plugging plate (3) is provided with a sealing groove (33) positioned on the periphery of the ventilation channel (31), a sealing ring (34) is embedded in the side wall, close to the sealing groove (33), of the mounting plate I (2), a driving motor (35) for driving the sealing ring (34) to move towards the sealing groove (33) is mounted on the outer wall, far away from the plugging plate (3), of the mounting plate I (2), and the sealing ring (34) is in interference fit with the sealing groove (33).

2. The clamping and loosening device of a gas blind plate valve according to claim 1, wherein: the mounting plate I (2) and the mounting plate II (4) are identical in structure and symmetrically arranged on two sides of the plugging plate (3), gaps are reserved between the mounting plate I (2) and the plugging plate (3) and between the plugging plate (3) and the mounting plate II (4), annular grooves (36) are formed in the side walls, close to the sealing grooves (33), of the mounting plate I (2), and the sealing rings (34) are slidably connected in the grooves (36) and are in interference fit with the grooves.

3. The clamping and loosening device of a gas blind plate valve according to claim 1, wherein: the two ends of the first mounting plate (2) and the second mounting plate (4) which are far away from each other are respectively fixed with a flange, the bottoms of the first mounting plate (2) and the second mounting plate (4) are fixed with the same base (1), the top of the base (1) is provided with a sliding rail (11), and the plugging plate (3) radially slides on the sliding rail (11) along the ventilation channel (31).

4. A clamping and unclamping device for a gas blind plate valve according to claim 3, wherein: the top of base (1) is fixed with step motor (13), and the top meshing of step motor (13) has rack (12), and the one end of rack (12) extends and inlays the bottom in shutoff board (3), rack (12) have two, two rack (12) symmetry sets up in slide rail (11) both sides.

5. The clamping and loosening device of the gas blind plate valve according to claim 2, wherein: the periphery of baffle (32) is equipped with spacing groove (38), and spacing groove (38), sealing washer (34) and seal groove (33) are the annular structure, and the degree of depth of spacing groove (38), the degree of depth of seal groove (33), the length of sealing washer (34) and the degree of depth of recess (36) increase in proper order.

6. The clamping and loosening device of a gas blind plate valve according to claim 1, wherein: the side wall of baffle (32) is equipped with three parallel arrangement and is located spacing passageway (37) of same horizontal plane, and the both sides of passageway (31) and shutoff passageway all are equipped with two spacing passageway (37), spacing passageway (37) internal thread connection has the screw rod, and the screw rod runs through mounting panel one (2), shutoff board (3) and mounting panel two (4) in proper order.