Disclosure of Invention
The utility model provides an explosion-proof blind plate valve, which has the characteristics of solving the problem that when the explosion-proof blind plate valve is used for a long time, the valve plate is switched back and forth, and a certain damage is brought to a sealing ring, so that the tightness of a connecting part can not be ensured when two pipelines are communicated.
The utility model provides the following technical scheme: including the mount, lead to board, solid fixed ring and blind plate body, lead to the board with blind plate body with mount fixed connection, gu fixed ring with mount sliding connection, gu fixed ring one side is equipped with the motor, motor center department fixedly connected with dwang, gu fixed ring outer wall is equipped with annular seal groove, annular seal groove outer wall is equipped with the sealing washer, sealing washer outer wall fixedly connected with a plurality of sloping block, gu fixed ring outer wall is equipped with a plurality of "V" type spare, rotate on the "V" type spare and be connected with the pinch roller, "V" type spare both ends fixedly connected with hinge block, dwang and one of them connect through the push rod between the "V" type spare, a plurality of connect through hinge block and connecting rod between the "V" type spare.
The automatic blind plate comprises a blind plate body, a fixing frame, a driving assembly, a self-propelled groove, a translation wheel and a blind plate body, wherein the fixing frame is fixedly connected with the adjusting frame, the driving assembly is arranged on the adjusting frame and used for driving the blind plate body, the self-propelled groove is formed in the adjusting frame, the translation wheel is arranged on the inner wall of the self-propelled groove, and the translation wheel is connected with the blind plate body.
The fixing device comprises a fixing frame, a fixing rod, a connecting ring, a connecting plate and a sealing groove, wherein the fixing rod is fixedly connected to the inner wall of the fixing frame, the fixing rod is fixedly connected with the outer wall of the connecting plate, and one end of the connecting plate is fixedly connected with the connecting ring matched with the annular sealing groove.
The oblique blocks correspond to the V-shaped pieces, and the oblique blocks are attached to the pinch roller.
Wherein a pushing piece for pushing the through plate is arranged in the adjusting frame.
The beneficial effects of the utility model are as follows: through dwang, push rod, hinge piece, "V" type spare and connecting rod constitution can closely laminate the subassembly to being connected between logical board and the sealing washer, make the device can avoid sealing through the mode of laminating at both ends between logical board and the solid fixed ring, and under the permanent use, the rubber sealing ring friction on logical board and the solid fixed ring leads to its sealed effect to reduce.
None of the parts of the device are the same as or can be implemented using prior art.
Detailed Description
Referring to fig. 1-4, the present utility model provides the following technical solutions: including mount 1, lead to board 2, solid fixed ring 22 and blind plate body 3, lead to board 2 and blind plate body 3 and mount 1 fixed connection, gu fixed ring 22 and mount 1 sliding connection, gu fixed ring 22 one side is equipped with motor 4, motor 4 center department fixedly connected with dwang 41, gu fixed ring 22 outer wall is equipped with annular seal groove 221, annular seal groove 221 outer wall is equipped with sealing washer 222, sealing washer 222 outer wall fixedly connected with a plurality of sloping block 23, gu fixed ring 22 outer wall is equipped with a plurality of "V" type piece 43, rotate on the "V" type piece 43 and be connected with pinch roller 44, be connected with articulated piece 421 at "V" type piece 43 both ends fixedly connected with through push rod 42 between dwang 41 and one of them "V" type piece 43, be connected through articulated piece 421 and connecting rod 431 between a plurality of "V" type piece 43.
In this embodiment: the fixing frame 1 is a carrier of a bearing device, the fixing frame 1 is used for erecting the through plate 2, the blind plate body 3 and the fixing ring 22, the through plate 2 and the blind plate body 3 are fixed on the fixing frame 1, when the positions of the through plate 2 are regulated to enable the through plate 2 to correspond to the blind plate body 3, the blind plate body 3 is a sealing plate, when the blind plate body 3 is positioned between two sections of pipelines, the blind plate body 3 enables the pipelines to be connected and sealed, when the connection between the blind plate body 3 and the through plate 2 needs to be converted, the fixing frame 1 drives the blind plate body 3 and the through plate 2 to integrally displace, the through plate 2 corresponds to the fixing ring 22, the through plate 2 is connected with the fixing ring 22, the two sections of pipelines are communicated, a certain distance is reserved between the through plate 2 and the fixing ring 22, after the through plate 2 slides to the position corresponding to the fixing ring 22, the sealing ring 222 arranged on the outer wall of the annular sealing groove 221 seals the joint of the fixed ring 22 by pushing one end of the through plate 2 to be inserted into the annular sealing groove 221 arranged on one end of the fixed ring 22, the sealing performance is insufficient under long-term abrasion due to the sealing of the single through connection between one end of the through plate 2 and the sealing ring 222, the sealing effect is affected, at the moment, the rotating rod 41 can be driven to rotate by the motor 4 arranged on one side of the blind plate body 3, the rotating rod 41 is connected with the push rod 42, the two ends of the push rod 42 are hinged with one end of the rotating rod 41 and one end of one V-shaped piece 43 through the hinging block 421, the push rod 42 can be pushed to move one end forwards for a distance under the rotation of the rotating rod 41, the push rod 42 pushes one V-shaped piece 43, a plurality of V-shaped pieces 43 are connected with the hinging blocks 421 at the two ends of the connecting rod 431 through the connecting rod 431, meanwhile, two ends of the connecting rod 431 are hinged with two ends of the V-shaped piece 43 through the hinging blocks 421, so that the V-shaped pieces 43 can be enabled to be located on the sealing ring 222 to displace under the pushing of the push rod 42, the pressing wheel 44 is wheel-shaped, the pressing wheel 44 can be enabled to displace onto the inclined block 23, the inclined block 23 is an inclined block and protrudes out of the surface of the sealing ring 222, when the pressing wheel 44 is enabled to displace onto the sealing ring 222, the pressing wheel 44 can apply larger pressure to the inclined block 23, pressure is applied to the sealing ring 222, the inner wall of the sealing ring 222 is attached to the outer wall of one end of the through plate 2, the sealing performance is guaranteed, when the through plate 2 and the fixed ring 22 are required to be separated, the pressing wheel 44 is enabled to be separated from the inclined block 23, the pressure between the sealing ring 222 and the outer wall of one end of the through plate 2 is reduced, the through plate 2 is enabled to be separated from the fixed ring 22, the blind plate body 3 is enabled to be conveniently converted to be sealed with the position of the fixed ring 22, the blind plate is effectively prevented from being attached to the two ends of the sealing ring, and friction effect between the blind plate and the sealing ring 22 is reduced after long-term use.
The fixing frame 1 is fixedly connected with an adjusting frame 12, a driving assembly 13 for driving the blind plate body 3 is arranged on the adjusting frame 12, a self-propelled groove 121 is arranged in the adjusting frame 12, a translation wheel 122 is arranged on the inner wall of the self-propelled groove 121, and the translation wheel 122 is connected with the blind plate body 3; the driving assembly 13 is used for driving the adjusting frame 12 fixedly connected to the fixing frame 1 to drive the position of the blind plate body 3 through the translation wheel 122 in the self-walking groove 121, so that the position of the through plate 2 on the fixing frame 1 is driven to the position corresponding to the fixing ring 22.
The inner wall of the fixing frame 1 is fixedly connected with a fixing rod 11, the fixing rod 11 is fixedly connected with the outer wall of the through plate 2, and one end of the through plate 2 is fixedly connected with a connecting ring 21 matched with the annular sealing groove 221; the fixed rod 11 fixedly connected with the inner wall of the fixed frame 1 is used for erecting the through plate 2 in the fixed frame 1 and keeping a horizontal position with the fixed ring 22, the connecting ring 21 fixedly connected with one end of the through plate 2 is used for enabling the connecting ring 21 to penetrate into the annular sealing groove 221, so that the through plate 2 is connected with the fixed ring 22, the sealing ring 222 is attached to the outer wall of the connecting ring 21, and the connection between the through plate 2 and the fixed ring 22 is sealed.
The inclined blocks 23 correspond to the V-shaped pieces 43, and the inclined blocks 23 are attached to the pinch roller 44; the inclined block 23 corresponds to the V-shaped piece 43, so that the V-shaped piece 43 can be displaced onto the inclined block 23 when being pushed by the push rod 42 to displace, the connection tightness between the sealing ring 222 and the outer wall of the connecting ring 21 is increased, the inclined block 23 is attached to the pinch roller 44, and the pinch roller 44 is ensured to be positioned on the inclined block 23 when being displaced.
A pushing piece 14 for pushing the through plate 2 is arranged in the adjusting frame 12; the pushing member 14 in the adjusting frame 12 is used for pushing the through plate 2 by the pushing member 14 when the fixed ring 22 corresponds to the through plate 2, so that the through plate is attached to the inner wall of the sealing ring 222, and then, the pressing wheel 44 applies pressure to tightly attach.
The working principle and the using flow of the utility model are as follows: the blind plate body 3 is a sealing plate, when the blind plate body 3 is positioned between two sections of pipelines, the blind plate body 3 enables the pipelines to be connected and sealed, when the connection between the blind plate body 3 and the through plate 2 is required to be converted, the through plate 2 is enabled to correspond to the fixed ring 22 by integrally moving the fixing frame 1, one end of the through plate 2 is pushed to be inserted into the annular sealing groove 221 formed in one end of the fixed ring 22, the connecting part of the annular sealing groove 221 is sealed by the sealing ring 222 formed in the outer wall of the annular sealing groove 221, the push rod 42 is pushed by rotating the rotating rod 41, a plurality of V-shaped pieces 43 are enabled to be driven by the push rod 42 to be displaced on the sealing ring 222, the pressing wheel 44 is enabled to be displaced to the inclined block 23, so that the sealing performance of the sealing ring 222 is ensured, and when the through plate 2 and the fixed ring 22 are required to be separated, the pressing wheel 44 is enabled to be separated from the inclined block 23 by continuing to be separated, the pressure between the sealing ring 222 and one end of the through plate 2 is reduced, the through plate 2 is enabled to be pushed back, the sealing ring 22 is enabled to be separated from the fixed ring 22, the sealing ring 22 is enabled to be effectively prevented from being adhered to the two ends of the sealing ring 22, and the sealing effect is enabled to be effectively prevented from being adhered to the sealing plate by the sealing plate.