CN223923878U - Cast steel gate valve - Google Patents
Cast steel gate valveInfo
- Publication number
- CN223923878U CN223923878U CN202520853945.1U CN202520853945U CN223923878U CN 223923878 U CN223923878 U CN 223923878U CN 202520853945 U CN202520853945 U CN 202520853945U CN 223923878 U CN223923878 U CN 223923878U
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- China
- Prior art keywords
- fixedly connected
- valve
- pipe
- wall
- cast steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the technical field of cast steel gate valves and discloses a cast steel gate valve which comprises a closure mechanism, a connecting mechanism and a main body mechanism, wherein the closure mechanism is positioned on the side wall of the main body mechanism, the connecting mechanism is positioned at the top end of the closure mechanism, the closure mechanism comprises a flow pipe, the inner wall of the flow pipe is connected with a movable plate in a sliding manner, the back of the movable plate is fixedly connected with a connecting rod, and the tail end of the connecting rod is fixedly connected with a sealing gasket. According to the utility model, the movable plate is connected with the movable plate in a sliding manner, the movable plate is fixedly connected with the connecting rod, and the connecting rod is fixedly connected with the sealing gaskets, so that the sealing gasket is used for sealing the flow pipe, and the phenomenon that foreign matters enter the device before the flow pipe is not communicated can be effectively avoided, and the smoothness of the device after the flow pipe is communicated can be further improved.
Description
Technical Field
The utility model relates to the technical field of cast steel gate valves, in particular to a cast steel gate valve.
Background
Cast steel gate valves are an important valve type. It is mainly made of cast steel material, which gives it good strength and durability. The working principle of the cast steel gate valve is that the on-off of fluid is controlled by the lifting of the gate plate, and the fluid resistance is small in the fully opened or fully closed state. The structure is relatively simple. The valve is widely applied in the industrial field, for example, in pipeline systems in petroleum, chemical industry, water conservancy and other industries, can effectively cut off or conduct fluid media, and plays a key role in controlling the flow of the media in the pipeline. Meanwhile, the cast steel material is suitable for various different working environments, including working conditions with certain corrosiveness or high pressure.
In industrial fluid conveying pipeline system, the gate valve is a valve commonly used for controlling the on-off of fluid, and in the moving and storing process, a traditional gate valve can have foreign matters to enter the valve body, so that the inside of the valve body can be blocked, and the circulation effect after installation can be influenced.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a cast steel gate valve.
The cast steel gate valve comprises a closure mechanism, a connecting mechanism and a main body mechanism, wherein the closure mechanism is positioned on the side wall of the main body mechanism, and the connecting mechanism is positioned at the top end of the closure mechanism;
The closure mechanism comprises a flow pipe, wherein the inner wall of the flow pipe is connected with a movable plate in a sliding manner, the back of the movable plate is fixedly connected with a connecting rod, and the tail end of the connecting rod is fixedly connected with a sealing gasket.
Through above-mentioned technical scheme, runner pipe sliding connection fly leaf, fly leaf fixed connection connecting rod, connecting rod fixed connection is sealed fills up, all is provided with sealed pad through the both ends at the runner pipe to can seal the runner pipe through sealed pad, can effectively avoid having the foreign matter to go into inside the device and cause the jam before not communicating, and then can increase the smoothness nature after the device intercommunication.
As a further improvement of the scheme, the outer wall of the connecting rod is sleeved with a spring.
Through above-mentioned technical scheme, set up the connecting rod and cup joint the spring, when runner pipe and connecting pipe are connected, the extension pipe extrudees the fly leaf and makes its back remove, can extrude the spring when the fly leaf moves backward, the connecting rod drives sealed pad simultaneously and carries out synchronous motion for produce the gap between sealed pad and the dog, so that liquid can pass through smoothly, when runner pipe and connecting pipe dismantle, the extension pipe separates with the fly leaf, spring release elastic potential energy drives the fly leaf, connecting rod and sealed pad and resets, can seal the runner pipe after sealed pad resets, thereby can ensure that the inside liquid of runner pipe can not leak and cause the pollution to the environment.
As a further improvement of the scheme, the inner wall of the runner pipe is fixedly connected with a stop block, and the inner wall of the runner pipe is fixedly connected with a limiting block.
Through above-mentioned technical scheme, runner pipe fixed connection dog and stopper can pass through the support to the spring through setting up the dog, increase the steadiness of device structure, through setting up the stopper at the front end of fly leaf to can restrict the movable range of fly leaf through the stopper, avoid taking place to drop at the removal in-process.
As a further improvement of the scheme, the connecting mechanism comprises a connecting pipe, the top end of the connecting pipe is fixedly connected with a buckle, the top end of the connecting pipe is fixedly connected with a clamping block, and the top end of the connecting pipe is fixedly connected with an extension pipe.
Through above-mentioned technical scheme, connecting pipe fixed connection buckle and fixture block all are provided with buckle and fixture block through the top at connecting pipe and runner pipe, and the position of buckle and fixture block corresponds each other to through the mutually supporting of buckle and fixture block, can be when runner pipe and connecting pipe are connected pre-fixed, thereby can increase the flexibility in the connection process.
As a further improvement of the scheme, the outer wall of the connecting pipe is fixedly connected with a fixing flange, and the outer wall of the fixing flange is fixedly connected with a fixing bolt.
Through above-mentioned technical scheme, connecting pipe fixed connection flange, flange fixed connection fixing bolt all is provided with flange through the outer wall at runner pipe and connecting pipe to can further increase the fastness that runner pipe and connecting pipe are connected through flange and fixing bolt.
As a further improvement of the scheme, the main body mechanism comprises a valve gate main body, wherein the upper surface of the valve gate main body is fixedly connected with a valve cover, and the upper surface of the valve cover is fixedly connected with a bracket.
Through above-mentioned technical scheme, valve gate main part fixed connection valve gap, valve gap fixed connection support can be to playing the guard action to valve gate main part inside through the valve gap, can provide the support for the installation of valve rod through setting up the support.
As a further improvement of the scheme, the inner wall of the support is in threaded connection with the valve rod, the bottom of the valve rod is rotationally connected with the valve body, the outer wall of the valve rod is in threaded connection with the hand wheel, and the top end of the valve rod is fixedly connected with the limiting plate.
Through above-mentioned technical scheme, support threaded connection valve rod, valve rod rotate and connect the valve body, set up valve rod threaded connection hand wheel, when closing the valve floodgate main part, can be through opening and closing of rotatory hand wheel control valve body, through setting up the limiting plate on the top of valve rod to can restrict the stroke of valve rod through the limiting plate, thereby can prevent that the valve rod from excessively rising or descending in the operation process, guarantee the normal operating of whole valve structure.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the movable plate is connected with the connecting rod in a sliding manner, the connecting rod is fixedly connected with the sealing gasket, the sealing gasket is arranged at two ends of the flow pipe, so that the flow pipe can be sealed through the sealing gasket, the connecting rod is sleeved with the spring, when the flow pipe is connected with the connecting pipe, the extending pipe extrudes the movable plate to enable the movable plate to move backwards, when the movable plate moves backwards, the spring is extruded, and meanwhile, the connecting rod drives the sealing gasket to synchronously move, so that gaps are formed between the sealing gasket and the stop block, so that liquid can smoothly pass through, when the flow pipe and the connecting pipe are disassembled, the extending pipe is separated from the movable plate, the spring releases elastic potential energy to drive the movable plate, the connecting rod and the sealing gasket to reset, and when the sealing gasket resets, the flow pipe can be sealed, so that foreign matters can enter the device to cause blockage when the flow pipe is not communicated, meanwhile, residual liquid leakage inside the device can be avoided, and the moving range of the movable plate can be limited through the limiting block arranged at the front end of the movable plate, and falling can be prevented.
According to the utility model, the connecting pipe is fixedly connected with the buckle and the clamping block, the buckle and the clamping block are arranged at the top ends of the connecting pipe and the runner pipe, and the positions of the buckle and the clamping block correspond to each other, so that the runner pipe and the connecting pipe can be pre-fixed when being connected through the mutual matching of the buckle and the clamping block, the flexibility in the connecting process can be improved, and the connecting firmness of the runner pipe and the connecting pipe is further enhanced through the fixing flange arranged on the outer walls of the runner pipe and the connecting pipe and the fixing bolt.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
FIG. 3 is an anatomic schematic view of a shut-off mechanism according to the present utility model;
FIG. 4 is an anatomic schematic view of the body mechanism of the present utility model;
FIG. 5 is a schematic view of the connecting mechanism of the present utility model.
Main symbol description:
1. The valve comprises a shutoff mechanism, 101, a runner pipe, 102, a movable plate, 103, a connecting rod, 104, a sealing gasket, 105, a spring, 106, a stop block, 107, a limiting block, 2, a connecting mechanism, 201, a connecting pipe, 202, a buckle, 203, a clamping block, 204, an extension pipe, 205, a fixed flange, 206, a fixed bolt, 3, a main body mechanism, 301, a valve gate main body, 302, a valve cover, 303, a bracket, 304, a valve rod, 305, a valve body, 306, a hand wheel, 307 and a limiting plate.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Examples:
Referring to fig. 1-5, a cast steel gate valve of the present embodiment includes a shutoff mechanism 1, a connection mechanism 2 and a main body mechanism 3, the shutoff mechanism 1 is located on a side wall of the main body mechanism 3, and the connection mechanism 2 is located at a top end of the shutoff mechanism 1;
The shutoff mechanism 1 comprises a flow pipe 101, wherein the inner wall of the flow pipe 101 is connected with a movable plate 102 in a sliding manner, the back of the movable plate 102 is fixedly connected with a connecting rod 103, and the tail end of the connecting rod 103 is fixedly connected with a sealing gasket 104.
The outer wall of the connecting rod 103 is sleeved with a spring 105.
The inner wall fixedly connected with dog 106 of runner pipe 101, the inner wall fixedly connected with stopper 107 of runner pipe 101.
The connecting mechanism 2 comprises a connecting pipe 201, a buckle 202 is fixedly connected to the top end of the connecting pipe 201, a clamping block 203 is fixedly connected to the top end of the connecting pipe 201, and an extension pipe 204 is fixedly connected to the top end of the connecting pipe 201.
The outer wall of the connecting pipe 201 is fixedly connected with a fixing flange 205, and the outer wall of the fixing flange 205 is fixedly connected with a fixing bolt 206.
The main body mechanism 3 comprises a valve main body 301, a valve cover 302 is fixedly connected to the upper surface of the valve main body 301, and a bracket 303 is fixedly connected to the upper surface of the valve cover 302.
The inner wall threaded connection of support 303 has valve rod 304, and the bottom of valve rod 304 rotates and is connected with valve body 305, and the outer wall threaded connection of valve rod 304 has hand wheel 306, and the top fixedly connected with limiting plate 307 of valve rod 304.
The implementation principle of the cast steel gate valve in the embodiment of the utility model is as follows: the utility model is characterized in that the movable plate 102 is slidingly connected through the flow pipe 101, the movable plate 102 is fixedly connected with the connecting rod 103, the connecting rod 103 is fixedly connected with the sealing gasket 104, the sealing gasket 104 is arranged at both ends of the flow pipe 101, so that the flow pipe 101 can be sealed through the sealing gasket 104, the connecting rod 103 is sleeved with the spring 105, when the flow pipe 101 is connected with the connecting pipe 201, the extending pipe 204 extrudes the movable plate 102 to enable the movable plate 102 to move backwards, when the movable plate 102 moves backwards, the spring 105 is extruded, meanwhile, the connecting rod 103 drives the sealing gasket 104 to synchronously move, a gap is formed between the sealing gasket 104 and the stop block 106, so that liquid can smoothly pass through, when the flow pipe 101 and the connecting pipe 201 are disassembled, the extending pipe 204 is separated from the movable plate 102, the spring 105 releases elastic potential energy to drive the movable plate 102, the connecting rod 103 and the sealing gasket 104 to reset, when the sealing gasket 104 is reset, the flow pipe 101 can be sealed, the phenomenon that foreign matters enter the device to cause blockage when the flow pipe is not communicated can be effectively avoided, meanwhile, residual liquid in the device can be prevented from leaking, the moving range of the movable plate 102 can be limited through the limiting block 107 by arranging the limiting block 107 at the front end of the movable plate 102, falling off is prevented, the connecting pipe 201 is arranged to fixedly connect the clamping buckle 202 and the clamping block 203, the clamping buckle 202 and the clamping block 203 are arranged at the top ends of the connecting pipe 201 and the flow pipe 101, the positions of the clamping buckle 202 and the clamping block 203 are mutually corresponding, the flow pipe 101 and the connecting pipe 201 can be pre-fixed when being connected through the mutual matching of the clamping buckle 202 and the clamping block 203, and thus the flexibility in the connecting process can be increased, by providing the fixing flange 205 on both the outer walls of the flow tube 101 and the connection tube 201, the connection of the fixing flange 205 and the fixing bolt 206 further enhances the connection firmness of the flow tube 101 and the connection tube 201.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520853945.1U CN223923878U (en) | 2025-04-30 | 2025-04-30 | Cast steel gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520853945.1U CN223923878U (en) | 2025-04-30 | 2025-04-30 | Cast steel gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223923878U true CN223923878U (en) | 2026-02-17 |
Family
ID=98758461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520853945.1U Active CN223923878U (en) | 2025-04-30 | 2025-04-30 | Cast steel gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223923878U (en) |
-
2025
- 2025-04-30 CN CN202520853945.1U patent/CN223923878U/en active Active
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| GR01 | Patent grant | ||
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